vendor/ncurses/6.1-20200118

157 files changed, 10655 insertions, 4365 deletions

diff --git a/ncurses/Makefile.in b/ncurses/Makefile.in
index f08bafb2b10f..27f7689b7124 100644
--- a/ncurses/Makefile.in
+++ b/ncurses/Makefile.in
@@ -1,6 +1,6 @@
-# $Id: Makefile.in,v 1.139 2013/08/04 20:20:45 tom Exp $
+# $Id: Makefile.in,v 1.164 2019/11/16 20:42:40 tom Exp $
 ##############################################################################
-# Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.                #
+# Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.                #
 #                                                                            #
 # Permission is hereby granted, free of charge, to any person obtaining a    #
 # copy of this software and associated documentation files (the "Software"), #
@@ -45,7 +45,7 @@
 # turn off _all_ suffix rules; we'll generate our own
 .SUFFIXES:
 
-SHELL		= /bin/sh
+SHELL		= @SHELL@
 VPATH		= @srcdir@
 THIS		= Makefile
 
@@ -70,7 +70,10 @@ includesubdir	= @includesubdir@
 
 INCLUDEDIR	= $(DESTDIR)$(includedir)$(includesubdir)
 
+PACKAGE		= @PACKAGE@
+
 LIBTOOL		= @LIBTOOL@
+LIBTOOL_OPTS	= @LIBTOOL_OPTS@ @EXPORT_SYMS@
 LIBTOOL_CLEAN	= @LIB_CLEAN@
 LIBTOOL_COMPILE	= @LIB_COMPILE@
 LIBTOOL_LINK	= @LIB_LINK@
@@ -80,7 +83,7 @@ LT_UNDEF	= @LT_UNDEF@
 
 INSTALL		= @INSTALL@
 INSTALL_LIB	= @INSTALL@ @INSTALL_LIB@
-INSTALL_PROG	= @INSTALL_PROGRAM@
+INSTALL_PROG	= @INSTALL_PROGRAM@ @INSTALL_OPT_S@
 INSTALL_DATA	= @INSTALL_DATA@
 
 AR		= @AR@
@@ -98,13 +101,13 @@ CPP		= @CPP@
 CFLAGS		= @CFLAGS@
 
 INCDIR		= $(srcdir)/../include
-CPPFLAGS	= -DHAVE_CONFIG_H -I../ncurses -I$(srcdir) @CPPFLAGS@
+CPPFLAGS	= -DHAVE_CONFIG_H -I../ncurses @CPPFLAGS@
 
 CCFLAGS		= $(CPPFLAGS) $(CFLAGS)
 
-BUILD_CPPFLAGS	= -I../include -DUSE_BUILD_CC @BUILD_CPPFLAGS@
+BUILD_CPPFLAGS	= -DHAVE_CONFIG_H -DUSE_BUILD_CC -I../ncurses -I$(srcdir) -I../include -I$(INCDIR) @BUILD_CPPFLAGS@ 
 BUILD_CC	= @BUILD_CC@
-BUILD_CCFLAGS	= -DHAVE_CONFIG_H -I../ncurses -I$(srcdir) -I$(INCDIR) $(BUILD_CPPFLAGS) @BUILD_CFLAGS@
+BUILD_CCFLAGS	= @BUILD_CFLAGS@
 BUILD_LDFLAGS	= @BUILD_LDFLAGS@
 BUILD_LIBS	= @BUILD_LIBS@
 
@@ -123,14 +126,16 @@ CFLAGS_SHARED	= $(CCFLAGS) @CC_SHARED_OPTS@
 CFLAGS_DEFAULT	= $(CFLAGS_@DFT_UPR_MODEL@)
 
 LINK		= $(LIBTOOL)
-LDFLAGS		= @LDFLAGS@ @LD_MODEL@ @LIBS@
+LDFLAGS		= @LDFLAGS@ @LD_MODEL@
 
 SHLIB_DIRS	= -L../lib
-SHLIB_LIST	= $(SHLIB_DIRS) @SHLIB_LIST@
-TINFO_LIST	= $(SHLIB_DIRS) @TINFO_LIST@
-TICS_LIST	= $(SHLIB_DIRS) @TICS_LIST@
+SHLIB_LIST	= $(SHLIB_DIRS) @SHLIB_LIST@ @LIBS@
+TINFO_LIST	= $(SHLIB_DIRS) @TINFO_LIST@ @LIBS@
+TICS_LIST	= $(SHLIB_DIRS) @TICS_LIST@ @LIBS@
 
 RPATH_LIST	= @RPATH_LIST@
+RESULTING_SYMS	= @RESULTING_SYMS@
+VERSIONED_SYMS	= @VERSIONED_SYMS@
 MK_SHARED_LIB	= @MK_SHARED_LIB@
 
 NCURSES_MAJOR	= @NCURSES_MAJOR@
@@ -150,14 +155,17 @@ FALLBACK_LIST	= @FALLBACK_LIST@
 
 USE_BIG_STRINGS	= @USE_BIG_STRINGS@
 TERMINFO_CAPS	= $(top_srcdir)/include/@TERMINFO_CAPS@
+CAPLIST		= $(TERMINFO_CAPS) $(top_srcdir)/include/Caps-ncurses
 
 TERMINFO	= @TERMINFO@
 TERMINFO_SRC	= @TERMINFO_SRC@
-TIC_PATH	= @TIC_PATH@
+TIC_PATH	= @TIC@
+INFOCMP_PATH	= @INFOCMP@
 
 AUTO_SRC = \
 	./codes.c \
 	./comp_captab.c \
+	./comp_userdefs.c \
 	./expanded.c \
 	./fallback.c \
 	./lib_gen.c \
@@ -191,6 +199,8 @@ TEST_PROGS = \
 	hashmap$x \
 	lib_mvcur$x
 
+LOCAL_LIBDIR	= @top_builddir@/lib
+
 base	 = $(srcdir)/base
 serial	 = $(srcdir)/tty
 tinfo	 = $(srcdir)/tinfo
@@ -199,8 +209,9 @@ wide	 = $(srcdir)/widechar
 win32con = $(srcdir)/win32con
 
 ################################################################################
-all \
-libs ::		$(AUTO_SRC) ../lib $(LIBRARIES)
+all libs ::	$(AUTO_SRC) ../lib $(LIBRARIES)
+
+@CHECK_BUILD@all libs ::	report_offsets$(BUILD_EXEEXT) 
 
 sources:	$(AUTO_SRC)
 
@@ -211,45 +222,59 @@ $(DESTDIR)$(libdir) :
 ../lib : ; mkdir $@
 
 ./fallback.c : $(tinfo)/MKfallback.sh
-	sh -e $(tinfo)/MKfallback.sh $(TERMINFO) $(TERMINFO_SRC) $(TIC_PATH) $(FALLBACK_LIST) >$@
+	$(SHELL) -e $(tinfo)/MKfallback.sh $(TERMINFO) $(TERMINFO_SRC) $(TIC_PATH) $(INFOCMP_PATH) $(FALLBACK_LIST) >$@
 
 ./lib_gen.c : $(base)/MKlib_gen.sh ../include/curses.h
-	sh -e $(base)/MKlib_gen.sh "$(CPP) $(CPPFLAGS)" "$(AWK)" generated <../include/curses.h >$@
+	$(SHELL) -e $(base)/MKlib_gen.sh "$(CPP) $(CPPFLAGS)" "$(AWK)" generated <../include/curses.h >$@
 
 init_keytry.h: make_keys$(BUILD_EXEEXT) keys.list
 	./make_keys$(BUILD_EXEEXT) keys.list > $@
 
 keys.list :	$(tinfo)/MKkeys_list.sh
-	AWK=$(AWK) sh $(tinfo)/MKkeys_list.sh $(TERMINFO_CAPS) | sort >$@
+	AWK=$(AWK) $(SHELL) $(tinfo)/MKkeys_list.sh $(CAPLIST) | LC_ALL=C sort >$@
 
 make_keys$(BUILD_EXEEXT) : \
+		build.priv.h \
 		$(tinfo)/make_keys.c \
 		names.c
-	$(BUILD_CC) -o $@ $(BUILD_CCFLAGS) $(tinfo)/make_keys.c $(BUILD_LDFLAGS) $(BUILD_LIBS)
+	$(BUILD_CC) -o $@ $(BUILD_CPPFLAGS) $(BUILD_CCFLAGS) $(tinfo)/make_keys.c $(BUILD_LDFLAGS) $(BUILD_LIBS)
 
 make_hash$(BUILD_EXEEXT) : \
+		build.priv.h \
 		$(tinfo)/make_hash.c \
 		../include/hashsize.h
-	$(BUILD_CC) -o $@ $(BUILD_CCFLAGS) $(tinfo)/make_hash.c $(BUILD_LDFLAGS) $(BUILD_LIBS)
+	$(BUILD_CC) -o $@ $(BUILD_CPPFLAGS) $(BUILD_CCFLAGS) $(tinfo)/make_hash.c $(BUILD_LDFLAGS) $(BUILD_LIBS)
+
+report_offsets$(BUILD_EXEEXT) : \
+		$(srcdir)/curses.priv.h \
+		$(srcdir)/report_offsets.c
+	$(BUILD_CC) -o $@ $(BUILD_CPPFLAGS) $(BUILD_CCFLAGS) $(srcdir)/report_offsets.c $(BUILD_LDFLAGS) $(BUILD_LIBS)
+	./report_offsets$(BUILD_EXEEXT)
 
 ./expanded.c : $(srcdir)/curses.priv.h $(serial)/MKexpanded.sh
-	sh -e $(serial)/MKexpanded.sh "$(CPP)" $(CPPFLAGS) > $@
+	$(SHELL) -e $(serial)/MKexpanded.sh "$(CPP)" $(CPPFLAGS) > $@
 
 ./comp_captab.c: \
 		make_hash$(BUILD_EXEEXT) \
 		../include/hashsize.h \
 		$(tinfo)/MKcaptab.sh \
 		$(tinfo)/MKcaptab.awk
-	sh -e $(tinfo)/MKcaptab.sh $(AWK) $(USE_BIG_STRINGS) $(tinfo)/MKcaptab.awk $(srcdir)/../include/@TERMINFO_CAPS@ > $@
+	$(SHELL) -e $(tinfo)/MKcaptab.sh $(AWK) $(USE_BIG_STRINGS) $(tinfo)/MKcaptab.awk $(CAPLIST) > $@
+
+./comp_userdefs.c: \
+		make_hash$(BUILD_EXEEXT) \
+		../include/hashsize.h \
+		$(tinfo)/MKuserdefs.sh
+	$(SHELL) -e $(tinfo)/MKuserdefs.sh $(AWK) $(USE_BIG_STRINGS) $(CAPLIST) > $@
 
 ./lib_keyname.c: keys.list $(base)/MKkeyname.awk
 	$(AWK) -f $(base)/MKkeyname.awk bigstrings=$(USE_BIG_STRINGS) keys.list > $@
 
 ./codes.c: $(tinfo)/MKcodes.awk
-	$(AWK) -f $(tinfo)/MKcodes.awk bigstrings=$(USE_BIG_STRINGS) $(srcdir)/../include/@TERMINFO_CAPS@ >$@
+	$(AWK) -f $(tinfo)/MKcodes.awk bigstrings=$(USE_BIG_STRINGS) $(CAPLIST) >$@
 
 ./names.c: $(tinfo)/MKnames.awk
-	$(AWK) -f $(tinfo)/MKnames.awk bigstrings=$(USE_BIG_STRINGS) $(srcdir)/../include/@TERMINFO_CAPS@ >$@
+	$(AWK) -f $(tinfo)/MKnames.awk bigstrings=$(USE_BIG_STRINGS) $(CAPLIST) >$@
 
 ./unctrl.c: $(base)/MKunctrl.awk
 	echo | $(AWK) -f $(base)/MKunctrl.awk bigstrings=$(USE_BIG_STRINGS) >$@
@@ -260,17 +285,16 @@ tags:
 @MAKE_UPPER_TAGS@TAGS:
 @MAKE_UPPER_TAGS@	$(ETAGS) *.[ch] */*.[ch]
 
-ncurses.map : $(LIBRARIES)
-	$(NM) -p $(LIBRARIES) >$@
-
 mostlyclean ::
-	-rm -f core tags TAGS *~ *.bak *.i *.ln *.atac trace
+	-rm -f core tags TAGS *~ *.bak *.i *.ln *.atac
+	-test -d trace || rm -f trace
 	-rm -f $(TEST_PROGS)
 
 clean :: mostlyclean
 	-rm -f $(AUTO_SRC)
 	-rm -f make_keys$(BUILD_EXEEXT)
 	-rm -f make_hash$(BUILD_EXEEXT)
+	-rm -f report_offsets$(BUILD_EXEEXT)
 	-rm -rf .libs *.dSYM *.map
 
 distclean :: clean
@@ -288,7 +312,7 @@ realclean :: distclean
 test_progs : $(TEST_PROGS)
 
 ./link_test.c : $(base)/MKlib_gen.sh ../include/curses.h
-	sh -e $(base)/MKlib_gen.sh "$(CPP) $(CPPFLAGS)" "$(AWK)" implemented <../include/curses.h >$@
+	$(SHELL) -e $(base)/MKlib_gen.sh "$(CPP) $(CPPFLAGS)" "$(AWK)" implemented <../include/curses.h >$@
 
 captoinfo$x : $(tinfo)/captoinfo.c $(TEST_DEPS)
 	@ECHO_LD@ $(LIBTOOL_LINK) -o $@ $(CFLAGS_DEFAULT) -DMAIN $(tinfo)/captoinfo.c $(TEST_LDFLAGS)
diff --git a/ncurses/README.IZ b/ncurses/README.IZ
index 78206cdfd712..aad1710d7eb1 100644
--- a/ncurses/README.IZ
+++ b/ncurses/README.IZ
@@ -1,5 +1,5 @@
 -------------------------------------------------------------------------------
--- Copyright (c) 2002,2006 Free Software Foundation, Inc.                    --
+-- Copyright (c) 2002-2006,2020 Free Software Foundation, Inc.               --
 --                                                                           --
 -- Permission is hereby granted, free of charge, to any person obtaining a   --
 -- copy of this software and associated documentation files (the             --
@@ -25,11 +25,11 @@
 -- sale, use or other dealings in this Software without prior written        --
 -- authorization.                                                            --
 -------------------------------------------------------------------------------
--- $Id: README.IZ,v 1.2 2006/04/22 23:13:05 tom Exp $
+-- $Id: README.IZ,v 1.3 2020/01/18 17:02:13 tom Exp $
 ---------------------------------------------------------------------
 
 Here is the patch.  I did no testing whatsoever with event watching
-requests present (I need some applications which exersize this before
+requests present (I need some applications which exercise this before
 this, probably lynx ;-), but the code looks working "the normal way".
 
 I had no way to test that the poll() branch compiles/works...
diff --git a/ncurses/SigAction.h b/ncurses/SigAction.h
index 5dfde643f6a1..4467fc6289d2 100644
--- a/ncurses/SigAction.h
+++ b/ncurses/SigAction.h
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998,2000 Free Software Foundation, Inc.                   *
+ * Copyright (c) 1998-2000,2005 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -32,7 +32,7 @@
  ****************************************************************************/
 
 /*
- * $Id: SigAction.h,v 1.8 2005/08/06 20:05:32 tom Exp $
+ * $Id: SigAction.h,v 1.9 2005/08/06 20:05:32 tom Exp $
  *
  * This file exists to handle non-POSIX systems which don't have <unistd.h>,
  * and usually no sigaction() nor <termios.h>
diff --git a/ncurses/base/MKkeyname.awk b/ncurses/base/MKkeyname.awk
index 790161193169..e133858f2835 100644
--- a/ncurses/base/MKkeyname.awk
+++ b/ncurses/base/MKkeyname.awk
@@ -1,6 +1,6 @@
-# $Id: MKkeyname.awk,v 1.48 2013/08/24 17:37:22 tom Exp $
+# $Id: MKkeyname.awk,v 1.50 2017/04/11 01:18:08 tom Exp $
 ##############################################################################
-# Copyright (c) 1999-2012,2013 Free Software Foundation, Inc.                #
+# Copyright (c) 1999-2016,2017 Free Software Foundation, Inc.                #
 #                                                                            #
 # Permission is hereby granted, free of charge, to any person obtaining a    #
 # copy of this software and associated documentation files (the "Software"), #
@@ -70,14 +70,13 @@ END {
 	print "NCURSES_EXPORT(NCURSES_CONST char *)"
 	print "safe_keyname (SCREEN *sp, int c)"
 	print "{"
-	print "	int i;"
 	print "	char name[20];"
-	print "	char *p;"
 	print "	NCURSES_CONST char *result = 0;"
 	print ""
 	print "	if (c == -1) {"
 	print "		result = \"-1\";"
 	print "	} else {"
+	print "		int i;"
 	if (bigstrings) {
 		print "		for (i = 0; _nc_key_names[i].offset != -1; i++) {"
 		print "			if (_nc_key_names[i].code == c) {"
@@ -114,7 +113,7 @@ END {
 	print "				/* create and cache result as needed */"
 	print "				if (MyTable[c] == 0) {"
 	print "					int cc = c;"
-	print "					p = name;"
+	print "					char *p = name;"
 	print "#define P_LIMIT (sizeof(name) - (size_t) (p - name))"
 	print "					if (cc >= 128 && m_prefix) {"
 	print "						_nc_STRCPY(p, \"M-\", P_LIMIT);"
@@ -135,7 +134,7 @@ END {
 	print "		} else if (result == 0 && HasTerminal(sp)) {"
 	print "			int j, k;"
 	print "			char * bound;"
-	print "			TERMTYPE *tp = &(TerminalOf(sp)->type);"
+	print "			TERMTYPE2 *tp = &TerminalType(TerminalOf(sp));"
 	print "			unsigned save_trace = _nc_tracing;"
 	print ""
 	print "			_nc_tracing = 0;	/* prevent recursion via keybound() */"
@@ -166,8 +165,8 @@ END {
 	print "#if NO_LEAKS"
 	print "void _nc_keyname_leaks(void)"
 	print "{"
-	print "	int j;"
 	print "	if (MyTable != 0) {"
+	print "		int j;"
 	print "		for (j = 0; j < SIZEOF_TABLE; ++j) {"
 	print "			FreeIfNeeded(MyTable[j]);"
 	print "		}"
diff --git a/ncurses/base/MKlib_gen.sh b/ncurses/base/MKlib_gen.sh
index d8cc3c9751fa..a1587c424452 100755
--- a/ncurses/base/MKlib_gen.sh
+++ b/ncurses/base/MKlib_gen.sh
@@ -2,10 +2,10 @@
 #
 # MKlib_gen.sh -- generate sources from curses.h macro definitions
 #
-# ($Id: MKlib_gen.sh,v 1.46 2011/06/04 19:14:08 tom Exp $)
+# ($Id: MKlib_gen.sh,v 1.62 2018/06/09 19:27:00 tom Exp $)
 #
 ##############################################################################
-# Copyright (c) 1998-2010,2011 Free Software Foundation, Inc.                #
+# Copyright (c) 1998-2017,2018 Free Software Foundation, Inc.                #
 #                                                                            #
 # Permission is hereby granted, free of charge, to any person obtaining a    #
 # copy of this software and associated documentation files (the "Software"), #
@@ -62,10 +62,27 @@ if test "${LC_MESSAGES+set}" = set; then LC_MESSAGES=C; export LC_MESSAGES; fi
 if test "${LC_CTYPE+set}"    = set; then LC_CTYPE=C;    export LC_CTYPE;    fi
 if test "${LC_COLLATE+set}"  = set; then LC_COLLATE=C;  export LC_COLLATE;  fi
 
-preprocessor="$1 -DNCURSES_INTERNALS -I../include"
+preprocessor="$1 -DNCURSES_WATTR_MACROS -DNCURSES_INTERNALS -I../include"
 AWK="$2"
 USE="$3"
 
+# A patch discussed here:
+#	https://gcc.gnu.org/ml/gcc-patches/2014-06/msg02185.html
+# introduces spurious #line markers into the preprocessor output.  The result
+# appears in gcc 5.0 and (with modification) in 5.1, making it necessary to
+# determine if we are using gcc, and if so, what version because the proposed
+# solution uses a nonstandard option.
+PRG=`echo "$1" | $AWK '{ sub(/^[ 	]*/,""); sub(/[ 	].*$/, ""); print; }' || exit 0`
+FSF=`"$PRG" --version 2>/dev/null || exit 0 | fgrep "Free Software Foundation" | head -n 1`
+ALL=`"$PRG" -dumpversion 2>/dev/null || exit 0`
+ONE=`echo "$ALL" | sed -e 's/\..*$//'`
+if test -n "$FSF" && test -n "$ALL" && test -n "$ONE" ; then
+	if test $ONE -ge 5 ; then
+		echo ".. adding -P option to work around $PRG $ALL" >&2
+		preprocessor="$preprocessor -P"
+	fi
+fi
+
 PID=$$
 ED1=sed1_${PID}.sed
 ED2=sed2_${PID}.sed
@@ -74,7 +91,7 @@ ED4=sed4_${PID}.sed
 AW1=awk1_${PID}.awk
 AW2=awk2_${PID}.awk
 TMP=gen__${PID}.c
-trap "rm -f $ED1 $ED2 $ED3 $ED4 $AW1 $AW2 $TMP" 0 1 2 5 15
+trap "rm -f $ED1 $ED2 $ED3 $ED4 $AW1 $AW2 $TMP" 0 1 2 3 15
 
 ALL=$USE
 if test "$USE" = implemented ; then
@@ -82,6 +99,7 @@ if test "$USE" = implemented ; then
 	cat >$ED1 <<EOF1
 /^extern.*implemented/{
 	h
+	s/GCC_DEPRECATED([^)]*)//
 	s/NCURSES_SP_NAME(\([^)]*\))/NCURSES_SP_NAME___\1/
 	h
 	s/^.*implemented:\([^ 	*]*\).*/P_POUNDCif_USE_\1_SUPPORT/p
@@ -160,6 +178,7 @@ EOF3
 if test "$USE" = generated ; then
 cat >$ED4 <<EOF
 	s/^\(.*\) \(.*\) (\(.*\))\$/NCURSES_EXPORT(\1) (\2) (\3)/
+	/attr_[sg]et.* z)/s,z),z GCC_UNUSED),
 EOF
 else
 cat >$ED4 <<EOF
@@ -213,7 +232,7 @@ $0 !~ /^P_/ {
 	} else if ( $first == "bool" || $first == "NCURSES_BOOL" ) {
 		returnType = "Bool";
 	} else if ( $second == "*" ) {
-		returnType = "Ptr";
+		returnType = ($1 == "NCURSES_CONST") ? "CPtr" : "Ptr";
 	} else {
 		returnType = "Code";
 	}
@@ -224,6 +243,9 @@ $0 !~ /^P_/ {
 			break;
 		}
 	}
+	if (using == "implemented") {
+		printf "#undef %s\n", $myfunc;
+	}
 	print $0;
 	print "{";
 	argcount = 1;
@@ -256,6 +278,11 @@ $0 !~ /^P_/ {
 		dotrace = 0;
 	}
 
+	do_getstr = 0;
+	if ($myfunc ~ /get[n]?str/) {
+		do_getstr = 1;
+	}
+
 	call = "@@T((T_CALLED(\""
 	args = ""
 	comma = ""
@@ -292,7 +319,11 @@ $0 !~ /^P_/ {
 				call = call "%s"
 			} else if (pointer) {
 				if ( argtype == "char" ) {
-					call = call "%s"
+					if (do_getstr) {
+						call = call "%p"
+					} else {
+						call = call "%s"
+					}
 					comma = comma "_nc_visbuf2(" num ","
 					pointer = 0;
 				} else {
@@ -342,7 +373,7 @@ $0 !~ /^P_/ {
 	call = call ")); "
 
 	if (dotrace)
-		printf "%s", call
+		printf "%s\n\t@@", call
 
 	if (match($0, "^void")) {
 		call = ""
@@ -381,9 +412,10 @@ EOF1
 
 cat >$AW2 <<EOF1
 BEGIN		{
+		printf "/* This file was generated by $0 $USE */\n"
+		print ""
 		print "/*"
 		print " * DO NOT EDIT THIS FILE BY HAND!"
-		printf " * It is generated by $0 %s.\n", "$USE"
 		if ( "$USE" == "generated" ) {
 			print " *"
 			print " * This is a file of trivial functions generated from macro"
@@ -403,11 +435,6 @@ BEGIN		{
 		print ""
 		print "#include <curses.priv.h>"
 		print ""
-		print "#undef vw_scanw"
-		print "#undef vwscanw"
-		print ""
-		print "#undef vw_printw"
-		print "#undef vwprintw"
 		}
 /^DECLARATIONS/	{start = 1; next;}
 		{
@@ -432,16 +459,16 @@ END		{
 			for (n = 1; n < start; ++n) {
 				value = calls[n];
 				if ( value !~ /P_POUNDC/ ) {
-					gsub(/[[:blank:]]+/," ",value);
-					sub(/^[[:alnum:]_]+ /,"",value);
+					gsub(/[ \t]+/," ",value);
+					sub(/^[0-9a-zA-Z_]+ /,"",value);
 					sub(/^\* /,"",value);
-					gsub(/[[:alnum:]_]+ \* /,"",value);
+					gsub(/[0-9a-zA-Z_]+ \* /,"",value);
 					gsub(/ (const) /," ",value);
 					gsub(/ (int|short|attr_t|chtype|wchar_t|NCURSES_BOOL|NCURSES_OUTC|NCURSES_OUTC_sp|va_list) /," ",value);
 					gsub(/ void /,"",value);
 					sub(/^/,"call_",value);
-					gsub(/ (a[[:digit:]]|z) /, " 0 ", value);
-					gsub(/ int[[:blank:]]*[(][^)]+[)][(][^)]+[)]/, "0", value);
+					gsub(/ (a[0-9]|z) /, " 0 ", value);
+					gsub(/ int[ \t]*[(][^)]+[)][(][^)]+[)]/, "0", value);
 					printf "\t%s;\n", value;
 				} else {
 					print value;
diff --git a/ncurses/base/MKunctrl.awk b/ncurses/base/MKunctrl.awk
index 51ceb6343920..0b505d0ce912 100644
--- a/ncurses/base/MKunctrl.awk
+++ b/ncurses/base/MKunctrl.awk
@@ -1,6 +1,6 @@
-# $Id: MKunctrl.awk,v 1.27 2012/06/09 20:29:33 tom Exp $
+# $Id: MKunctrl.awk,v 1.28 2017/02/11 17:30:48 tom Exp $
 ##############################################################################
-# Copyright (c) 1998-2009,2012 Free Software Foundation, Inc.                #
+# Copyright (c) 1998-2012,2017 Free Software Foundation, Inc.                #
 #                                                                            #
 # Permission is hereby granted, free of charge, to any person obtaining a    #
 # copy of this software and associated documentation files (the "Software"), #
@@ -143,6 +143,7 @@ END	{
 		print  "\tint check = (int) ChCharOf(ch);"
 		print  "\tconst char *result;"
 		print  ""
+		print  "(void) sp;"
 		print  "\tif (check >= 0 && check < (int)SIZEOF(unctrl_table)) {"
 		print  "#if NCURSES_EXT_FUNCS"
 		print  "\t\tif ((sp != 0)"
diff --git a/ncurses/base/define_key.c b/ncurses/base/define_key.c
index a49b094279c8..c78375a72c25 100644
--- a/ncurses/base/define_key.c
+++ b/ncurses/base/define_key.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2006,2009 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2009,2014 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -33,7 +33,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: define_key.c,v 1.20 2009/11/28 22:53:17 tom Exp $")
+MODULE_ID("$Id: define_key.c,v 1.21 2014/03/08 20:32:59 tom Exp $")
 
 NCURSES_EXPORT(int)
 NCURSES_SP_NAME(define_key) (NCURSES_SP_DCLx const char *str, int keycode)
@@ -47,7 +47,7 @@ NCURSES_SP_NAME(define_key) (NCURSES_SP_DCLx const char *str, int keycode)
 	unsigned ukey = (unsigned) keycode;
 
 #ifdef USE_TERM_DRIVER
-#define CallHasKey(keycode) CallDriver_1(SP_PARM, kyExist, keycode)
+#define CallHasKey(keycode) CallDriver_1(SP_PARM, td_kyExist, keycode)
 #else
 #define CallHasKey(keycode) NCURSES_SP_NAME(has_key)(NCURSES_SP_ARGx keycode)
 #endif
diff --git a/ncurses/base/keyok.c b/ncurses/base/keyok.c
index 00e936dacde9..180c54aa191c 100644
--- a/ncurses/base/keyok.c
+++ b/ncurses/base/keyok.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2014,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -33,7 +33,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: keyok.c,v 1.13 2012/11/18 02:14:35 tom Exp $")
+MODULE_ID("$Id: keyok.c,v 1.15 2019/12/21 22:40:32 tom Exp $")
 
 /*
  * Enable (or disable) ncurses' interpretation of a keycode by adding (or
@@ -53,9 +53,8 @@ NCURSES_SP_NAME(keyok) (NCURSES_SP_DCLx int c, bool flag)
     if (HasTerminal(SP_PARM)) {
 	T((T_CALLED("keyok(%p, %d,%d)"), (void *) SP_PARM, c, flag));
 #ifdef USE_TERM_DRIVER
-	code = CallDriver_2(sp, kyOk, c, flag);
+	code = CallDriver_2(sp, td_kyOk, c, flag);
 #else
-	T((T_CALLED("keyok(%d,%d)"), c, flag));
 	if (c >= 0) {
 	    int count = 0;
 	    char *s;
diff --git a/ncurses/base/lib_addch.c b/ncurses/base/lib_addch.c
index a7d498b490a0..fdb26415b205 100644
--- a/ncurses/base/lib_addch.c
+++ b/ncurses/base/lib_addch.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2013,2014 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2017,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -36,7 +36,7 @@
 #include <curses.priv.h>
 #include <ctype.h>
 
-MODULE_ID("$Id: lib_addch.c,v 1.128 2014/02/23 01:21:08 tom Exp $")
+MODULE_ID("$Id: lib_addch.c,v 1.133 2019/05/11 19:51:02 tom Exp $")
 
 static const NCURSES_CH_T blankchar = NewChar(BLANK_TEXT);
 
@@ -51,7 +51,7 @@ static const NCURSES_CH_T blankchar = NewChar(BLANK_TEXT);
  */
 
 /* Return bit mask for clearing color pair number if given ch has color */
-#define COLOR_MASK(ch) (~(attr_t)((ch) & A_COLOR ? A_COLOR : 0))
+#define COLOR_MASK(ch) (~(attr_t)(((ch) & A_COLOR) ? A_COLOR : 0))
 
 static NCURSES_INLINE NCURSES_CH_T
 render_char(WINDOW *win, NCURSES_CH_T ch)
@@ -117,14 +117,18 @@ _nc_render(WINDOW *win, NCURSES_CH_T ch)
 #endif
 
 static bool
-newline_forces_scroll(WINDOW *win, NCURSES_SIZE_T * ypos)
+newline_forces_scroll(WINDOW *win, NCURSES_SIZE_T *ypos)
 {
     bool result = FALSE;
 
-    if (*ypos >= win->_regtop && *ypos == win->_regbottom) {
-	*ypos = win->_regbottom;
-	result = TRUE;
-    } else {
+    if (*ypos >= win->_regtop && *ypos <= win->_regbottom) {
+	if (*ypos == win->_regbottom) {
+	    *ypos = win->_regbottom;
+	    result = TRUE;
+	} else if (*ypos < win->_maxy) {
+	    *ypos = (NCURSES_SIZE_T) (*ypos + 1);
+	}
+    } else if (*ypos < win->_maxy) {
 	*ypos = (NCURSES_SIZE_T) (*ypos + 1);
     }
     return result;
@@ -270,11 +274,11 @@ waddch_literal(WINDOW *win, NCURSES_CH_T ch)
 
 		/* handle EILSEQ (i.e., when len >= -1) */
 		if (len == -1 && is8bits(CharOf(ch))) {
-		    int rc = OK;
 		    const char *s = NCURSES_SP_NAME(unctrl)
 		      (NCURSES_SP_ARGx (chtype) CharOf(ch));
 
 		    if (s[1] != '\0') {
+			int rc = OK;
 			while (*s != '\0') {
 			    rc = waddch(win, UChar(*s) | attr);
 			    if (rc != OK)
@@ -299,7 +303,7 @@ waddch_literal(WINDOW *win, NCURSES_CH_T ch)
      * adjustments.
      */
     if_WIDEC({
-	int len = wcwidth(CharOf(ch));
+	int len = _nc_wacs_width(CharOf(ch));
 	int i;
 	int j;
 	wchar_t *chars;
@@ -339,6 +343,7 @@ waddch_literal(WINDOW *win, NCURSES_CH_T ch)
 		    return ERR;
 		x = win->_curx;
 		y = win->_cury;
+		CHECK_POSITION(win, x, y);
 		line = win->_line + y;
 	    }
 	    /*
@@ -427,7 +432,7 @@ waddch_nosync(WINDOW *win, const NCURSES_CH_T ch)
 	       s[1] == 0
 	)
 	|| (
-	       (isprint((int)t) && !iscntrl((int)t))
+	       (isprint((int) t) && !iscntrl((int) t))
 #if USE_WIDEC_SUPPORT
 	       || ((sp == 0 || !sp->_legacy_coding) &&
 		   (WINDOW_EXT(win, addch_used)
@@ -443,6 +448,7 @@ waddch_nosync(WINDOW *win, const NCURSES_CH_T ch)
      */
     x = win->_curx;
     y = win->_cury;
+    CHECK_POSITION(win, x, y);
 
     switch (t) {
     case '\t':
@@ -501,7 +507,7 @@ waddch_nosync(WINDOW *win, const NCURSES_CH_T ch)
     default:
 	while (*s) {
 	    NCURSES_CH_T sch;
-	    SetChar(sch, *s++, AttrOf(ch));
+	    SetChar(sch, UChar(*s++), AttrOf(ch));
 	    if_EXT_COLORS(SetPair(sch, GetPair(ch)));
 	    if (waddch_literal(win, sch) == ERR)
 		return ERR;
diff --git a/ncurses/base/lib_addstr.c b/ncurses/base/lib_addstr.c
index a1a55cb8bfd8..55dc440b0047 100644
--- a/ncurses/base/lib_addstr.c
+++ b/ncurses/base/lib_addstr.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2010,2011 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2017,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -44,7 +44,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_addstr.c,v 1.52 2011/05/28 23:02:09 tom Exp $")
+MODULE_ID("$Id: lib_addstr.c,v 1.55 2019/05/04 20:46:24 tom Exp $")
 
 NCURSES_EXPORT(int)
 waddnstr(WINDOW *win, const char *astr, int n)
@@ -87,7 +87,7 @@ waddchnstr(WINDOW *win, const chtype *astr, int n)
 
     T((T_CALLED("waddchnstr(%p,%p,%d)"), (void *) win, (const void *) astr, n));
 
-    if (!win)
+    if (!win || !astr)
 	returnCode(ERR);
 
     y = win->_cury;
@@ -183,7 +183,7 @@ wadd_wchnstr(WINDOW *win, const cchar_t *astr, int n)
 	if (isWidecExt(astr[i]))
 	    continue;
 
-	len = wcwidth(CharOf(astr[i]));
+	len = _nc_wacs_width(CharOf(astr[i]));
 
 	if (x + len - 1 <= win->_maxx) {
 	    line->text[x] = _nc_render(win, astr[i]);
@@ -194,6 +194,8 @@ wadd_wchnstr(WINDOW *win, const cchar_t *astr, int n)
 		    }
 		    SetWidecExt(line->text[x + j], j);
 		}
+	    } else {
+		len = 1;
 	    }
 	    x = (NCURSES_SIZE_T) (x + len);
 	    end += len - 1;
diff --git a/ncurses/base/lib_beep.c b/ncurses/base/lib_beep.c
index 4e14cb74a2bf..b775d56e8001 100644
--- a/ncurses/base/lib_beep.c
+++ b/ncurses/base/lib_beep.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2013,2014 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -46,7 +46,7 @@
 #define CUR SP_TERMTYPE
 #endif
 
-MODULE_ID("$Id: lib_beep.c,v 1.16 2013/01/12 17:26:25 tom Exp $")
+MODULE_ID("$Id: lib_beep.c,v 1.17 2014/03/08 20:32:59 tom Exp $")
 
 /*
  *	beep()
@@ -65,7 +65,7 @@ NCURSES_SP_NAME(beep) (NCURSES_SP_DCL0)
 
 #ifdef USE_TERM_DRIVER
     if (SP_PARM != 0)
-	res = CallDriver_1(SP_PARM, doBeepOrFlash, TRUE);
+	res = CallDriver_1(SP_PARM, td_doBeepOrFlash, TRUE);
 #else
     /* FIXME: should make sure that we are not in altchar mode */
     if (cur_term == 0) {
diff --git a/ncurses/base/lib_bkgd.c b/ncurses/base/lib_bkgd.c
index 7bcd3ffb5a3f..aa1db21e4fa8 100644
--- a/ncurses/base/lib_bkgd.c
+++ b/ncurses/base/lib_bkgd.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -36,7 +36,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_bkgd.c,v 1.48 2012/12/09 01:01:19 tom Exp $")
+MODULE_ID("$Id: lib_bkgd.c,v 1.53 2019/08/17 20:59:41 tom Exp $")
 
 /*
  * Set the window's background information.
@@ -117,29 +117,98 @@ static NCURSES_INLINE int
 #endif
 wbkgrnd(WINDOW *win, const ARG_CH_T ch)
 {
+#undef  SP_PARM
+#define SP_PARM SP		/* to use Charable() */
     int code = ERR;
-    int x, y;
 
     T((T_CALLED("wbkgd(%p,%s)"), (void *) win, _tracech_t(ch)));
 
-    if (win) {
+    if (SP == 0) {
+	;
+    } else if (win) {
 	NCURSES_CH_T new_bkgd = CHDEREF(ch);
-	NCURSES_CH_T old_bkgrnd;
+	NCURSES_CH_T old_bkgd;
+	int y;
+	NCURSES_CH_T old_char;
+	attr_t old_attr;
+	int old_pair;
+	NCURSES_CH_T new_char;
+	attr_t new_attr;
+	int new_pair;
+
+	/* SVr4 trims color info if non-color terminal */
+	if (!SP->_pair_limit) {
+	    RemAttr(new_bkgd, A_COLOR);
+	    SetPair(new_bkgd, 0);
+	}
+
+	memset(&old_bkgd, 0, sizeof(old_bkgd));
+	(void) wgetbkgrnd(win, &old_bkgd);
+
+	if (!memcmp(&old_bkgd, &new_bkgd, sizeof(new_bkgd))) {
+	    T(("...unchanged"));
+	    returnCode(OK);
+	}
+
+	old_char = old_bkgd;
+	RemAttr(old_char, ~A_CHARTEXT);
+	old_attr = AttrOf(old_bkgd);
+	old_pair = GetPair(old_bkgd);
+
+	if (!(old_attr & A_COLOR)) {
+	    old_pair = 0;
+	}
+	T(("... old background char %s, attr %s, pair %d",
+	   _tracechar(CharOf(old_char)), _traceattr(old_attr), old_pair));
 
-	memset(&old_bkgrnd, 0, sizeof(old_bkgrnd));
-	wgetbkgrnd(win, &old_bkgrnd);
+	new_char = new_bkgd;
+	RemAttr(new_char, ~A_CHARTEXT);
+	new_attr = AttrOf(new_bkgd);
+	new_pair = GetPair(new_bkgd);
+
+	/* SVr4 limits background character to printable 7-bits */
+	if (!Charable(new_bkgd)) {
+	    new_char = old_char;
+	}
+	if (!(new_attr & A_COLOR)) {
+	    new_pair = 0;
+	}
+	T(("... new background char %s, attr %s, pair %d",
+	   _tracechar(CharOf(new_char)), _traceattr(new_attr), new_pair));
 
 	(void) wbkgrndset(win, CHREF(new_bkgd));
-	(void) wattrset(win, (int) AttrOf(win->_nc_bkgd));
+
+	/* SVr4 updates color pair if old/new match, otherwise just attrs */
+	if ((new_pair != 0) && (new_pair == old_pair)) {
+	    WINDOW_ATTRS(win) = new_attr;
+	    SET_WINDOW_PAIR(win, new_pair);
+	} else {
+	    WINDOW_ATTRS(win) = new_attr;
+	}
 
 	for (y = 0; y <= win->_maxy; y++) {
+	    int x;
+
 	    for (x = 0; x <= win->_maxx; x++) {
-		if (CharEq(win->_line[y].text[x], old_bkgrnd)) {
-		    win->_line[y].text[x] = win->_nc_bkgd;
+		NCURSES_CH_T *cp = &(win->_line[y].text[x]);
+		int tmp_pair = GetPair(*cp);
+		attr_t tmp_attr = AttrOf(*cp);
+
+		if (CharEq(*cp, old_bkgd)) {
+		    SetChar2(*cp, CharOf(new_char));
+		}
+		if (tmp_pair != 0) {
+		    if (tmp_pair == old_pair) {
+			SetAttr(*cp, (tmp_attr & ~old_attr) | new_attr);
+			SetPair(*cp, new_pair);
+		    } else {
+			SetAttr(*cp,
+				(tmp_attr & (~old_attr | A_COLOR))
+				| (new_attr & ALL_BUT_COLOR));
+		    }
 		} else {
-		    NCURSES_CH_T wch = win->_line[y].text[x];
-		    RemAttr(wch, (~(A_ALTCHARSET | A_CHARTEXT)));
-		    win->_line[y].text[x] = _nc_render(win, wch);
+		    SetAttr(*cp, (tmp_attr & ~old_attr) | new_attr);
+		    SetPair(*cp, new_pair);
 		}
 	    }
 	}
diff --git a/ncurses/base/lib_box.c b/ncurses/base/lib_box.c
index 6f17c97a5b07..dccb8e12d61c 100644
--- a/ncurses/base/lib_box.c
+++ b/ncurses/base/lib_box.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2010,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -42,7 +42,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_box.c,v 1.24 2010/04/24 23:51:57 tom Exp $")
+MODULE_ID("$Id: lib_box.c,v 1.25 2017/10/27 21:56:17 tom Exp $")
 
 #if USE_WIDEC_SUPPORT
 static NCURSES_INLINE chtype
@@ -114,10 +114,20 @@ wborder(WINDOW *win,
     win->_line[endy].lastchar = win->_line[0].lastchar = endx;
 
     for (i = 0; i <= endy; i++) {
+#if USE_WIDEC_SUPPORT
+	if (endx > 0 && isWidecExt(win->_line[i].text[endx])) {
+	    SetChar2(win->_line[i].text[endx - 1], ' ');
+	}
+#endif
 	SetChar2(win->_line[i].text[0], wls);
 	SetChar2(win->_line[i].text[endx], wrs);
 	win->_line[i].firstchar = 0;
 	win->_line[i].lastchar = endx;
+#if USE_WIDEC_SUPPORT
+	if (isWidecExt(win->_line[i].text[1])) {
+	    SetChar2(win->_line[i].text[1], ' ');
+	}
+#endif
     }
     SetChar2(win->_line[0].text[0], wtl);
     SetChar2(win->_line[0].text[endx], wtr);
diff --git a/ncurses/base/lib_chgat.c b/ncurses/base/lib_chgat.c
index 1eb1f59e2385..e969d69bebb7 100644
--- a/ncurses/base/lib_chgat.c
+++ b/ncurses/base/lib_chgat.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2010,2014 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2016,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -42,35 +42,38 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_chgat.c,v 1.10 2014/02/01 22:13:31 tom Exp $")
+MODULE_ID("$Id: lib_chgat.c,v 1.12 2017/03/16 23:45:20 tom Exp $")
 
 NCURSES_EXPORT(int)
 wchgat(WINDOW *win,
        int n,
        attr_t attr,
-       NCURSES_PAIRS_T color,
+       NCURSES_PAIRS_T pair_arg,
        const void *opts GCC_UNUSED)
 {
-    int i;
+    int code = ERR;
+    int color_pair = pair_arg;
 
     T((T_CALLED("wchgat(%p,%d,%s,%d)"),
        (void *) win,
        n,
        _traceattr(attr),
-       (int) color));
+       color_pair));
 
+    set_extended_pair(opts, color_pair);
     if (win) {
 	struct ldat *line = &(win->_line[win->_cury]);
+	int i;
 
-	toggle_attr_on(attr, ColorPair(color));
+	toggle_attr_on(attr, ColorPair(color_pair));
 
 	for (i = win->_curx; i <= win->_maxx && (n == -1 || (n-- > 0)); i++) {
 	    SetAttr(line->text[i], attr);
-	    SetPair(line->text[i], color);
+	    SetPair(line->text[i], color_pair);
 	    CHANGED_CELL(line, i);
 	}
 
-	returnCode(OK);
-    } else
-	returnCode(ERR);
+	code = OK;
+    }
+    returnCode(code);
 }
diff --git a/ncurses/base/lib_color.c b/ncurses/base/lib_color.c
index 9f7250ddafff..e2958051e6b8 100644
--- a/ncurses/base/lib_color.c
+++ b/ncurses/base/lib_color.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2013,2014 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -38,14 +38,17 @@
  * Handles color emulation of SYS V curses
  */
 
+#define NEW_PAIR_INTERNAL 1
+
 #include <curses.priv.h>
+#include <new_pair.h>
 #include <tic.h>
 
 #ifndef CUR
 #define CUR SP_TERMTYPE
 #endif
 
-MODULE_ID("$Id: lib_color.c,v 1.109 2014/02/01 22:22:30 tom Exp $")
+MODULE_ID("$Id: lib_color.c,v 1.142 2019/12/22 00:57:53 tom Exp $")
 
 #ifdef USE_TERM_DRIVER
 #define CanChange      InfoOf(SP_PARM).canchange
@@ -137,13 +140,6 @@ NCURSES_EXPORT_VAR(const color_t*) _nc_hls_palette = hls_palette;
 
 /* *INDENT-ON* */
 
-/*
- * Ensure that we use color pairs only when colors have been started, and also
- * that the index is within the limits of the table which we allocated.
- */
-#define ValidPair(pair) \
-    ((SP_PARM != 0) && (pair >= 0) && (pair < SP_PARM->_pair_limit) && SP_PARM->_coloron)
-
 #if NCURSES_EXT_FUNCS
 /*
  * These are called from _nc_do_color(), which in turn is called from
@@ -188,7 +184,7 @@ static void
 set_background_color(NCURSES_SP_DCLx int bg, NCURSES_SP_OUTC outc)
 {
 #ifdef USE_TERM_DRIVER
-    CallDriver_3(SP_PARM, color, FALSE, bg, outc);
+    CallDriver_3(SP_PARM, td_color, FALSE, bg, outc);
 #else
     if (set_a_background) {
 	TPUTS_TRACE("set_a_background");
@@ -208,7 +204,7 @@ static void
 set_foreground_color(NCURSES_SP_DCLx int fg, NCURSES_SP_OUTC outc)
 {
 #ifdef USE_TERM_DRIVER
-    CallDriver_3(SP_PARM, color, TRUE, fg, outc);
+    CallDriver_3(SP_PARM, td_color, TRUE, fg, outc);
 #else
     if (set_a_foreground) {
 	TPUTS_TRACE("set_a_foreground");
@@ -251,6 +247,60 @@ init_color_table(NCURSES_SP_DCL0)
     }
 }
 
+static bool
+init_direct_colors(NCURSES_SP_DCL0)
+{
+    static NCURSES_CONST char name[] = "RGB";
+
+    int n;
+    const char *s;
+    int width;
+    rgb_bits_t *result = &(SP_PARM->_direct_color);
+
+    result->value = 0;
+
+    if (COLORS >= 8) {
+	/* find the number of bits needed for the maximum color value */
+	for (width = 0; (1 << width) - 1 < (COLORS - 1); ++width) {
+	    ;
+	}
+
+	if ((n = tigetflag(name)) > 0) {
+	    n = (width + 2) / 3;
+	    result->bits.red = UChar(n);
+	    result->bits.green = UChar(n);
+	    result->bits.blue = UChar(width - (2 * n));
+	} else if ((n = tigetnum(name)) > 0) {
+	    result->bits.red = UChar(n);
+	    result->bits.green = UChar(n);
+	    result->bits.blue = UChar(n);
+	} else if ((s = tigetstr(name)) != 0 && VALID_STRING(s)) {
+	    int red = n;
+	    int green = n;
+	    int blue = width - (2 * n);
+
+	    switch (sscanf(s, "%d/%d/%d", &red, &green, &blue)) {
+	    default:
+		blue = width - (2 * n);
+		/* FALLTHRU */
+	    case 1:
+		green = n;
+		/* FALLTHRU */
+	    case 2:
+		red = n;
+		/* FALLTHRU */
+	    case 3:
+		/* okay */
+		break;
+	    }
+	    result->bits.red = UChar(red);
+	    result->bits.green = UChar(green);
+	    result->bits.blue = UChar(blue);
+	}
+    }
+    return (result->value != 0);
+}
+
 /*
  * Reset the color pair, e.g., to whatever color pair 0 is.
  */
@@ -258,7 +308,7 @@ static bool
 reset_color_pair(NCURSES_SP_DCL0)
 {
 #ifdef USE_TERM_DRIVER
-    return CallDriver(SP_PARM, rescol);
+    return CallDriver(SP_PARM, td_rescol);
 #else
     bool result = FALSE;
 
@@ -288,7 +338,7 @@ NCURSES_SP_NAME(_nc_reset_colors) (NCURSES_SP_DCL0)
 	result = TRUE;
 
 #ifdef USE_TERM_DRIVER
-    result = CallDriver(SP_PARM, rescolors);
+    result = CallDriver(SP_PARM, td_rescolors);
 #else
     if (orig_colors != 0) {
 	NCURSES_PUTP2("orig_colors", orig_colors);
@@ -346,7 +396,10 @@ NCURSES_SP_NAME(start_color) (NCURSES_SP_DCL0)
 	     * allow for default-color as a component of a color-pair.
 	     */
 	    SP_PARM->_pair_limit += (1 + (2 * maxcolors));
+#if !NCURSES_EXT_COLORS
+	    SP_PARM->_pair_limit = limit_PAIRS(SP_PARM->_pair_limit);
 #endif
+#endif /* NCURSES_EXT_FUNCS */
 	    SP_PARM->_pair_count = maxpairs;
 	    SP_PARM->_color_count = maxcolors;
 #if !USE_REENTRANT
@@ -354,19 +407,26 @@ NCURSES_SP_NAME(start_color) (NCURSES_SP_DCL0)
 	    COLORS = maxcolors;
 #endif
 
-	    SP_PARM->_color_pairs = TYPE_CALLOC(colorpair_t, SP_PARM->_pair_limit);
+	    ReservePairs(SP_PARM, 16);
 	    if (SP_PARM->_color_pairs != 0) {
-		SP_PARM->_color_table = TYPE_CALLOC(color_t, maxcolors);
-		if (SP_PARM->_color_table != 0) {
-		    SP_PARM->_color_pairs[0] = PAIR_OF(default_fg(NCURSES_SP_ARG),
-						       default_bg(NCURSES_SP_ARG));
-		    init_color_table(NCURSES_SP_ARG);
+		if (init_direct_colors(NCURSES_SP_ARG)) {
+		    result = OK;
+		} else {
+		    SP_PARM->_color_table = TYPE_CALLOC(color_t, maxcolors);
+		    if (SP_PARM->_color_table != 0) {
+			MakeColorPair(SP_PARM->_color_pairs[0],
+				      default_fg(NCURSES_SP_ARG),
+				      default_bg(NCURSES_SP_ARG));
+			init_color_table(NCURSES_SP_ARG);
 
+			result = OK;
+		    }
+		}
+		if (result == OK) {
 		    T(("started color: COLORS = %d, COLOR_PAIRS = %d",
 		       COLORS, COLOR_PAIRS));
 
 		    SP_PARM->_coloron = 1;
-		    result = OK;
 		} else if (SP_PARM->_color_pairs != 0) {
 		    FreeAndNull(SP_PARM->_color_pairs);
 		}
@@ -388,7 +448,7 @@ start_color(void)
 
 /* This function was originally written by Daniel Weaver <danw@znyx.com> */
 static void
-rgb2hls(int r, int g, int b, NCURSES_COLOR_T *h, NCURSES_COLOR_T *l, NCURSES_COLOR_T *s)
+rgb2hls(int r, int g, int b, int *h, int *l, int *s)
 /* convert RGB to HLS system */
 {
     int min, max, t;
@@ -399,7 +459,7 @@ rgb2hls(int r, int g, int b, NCURSES_COLOR_T *h, NCURSES_COLOR_T *l, NCURSES_COL
 	max = b;
 
     /* calculate lightness */
-    *l = (NCURSES_COLOR_T) ((min + max) / 20);
+    *l = ((min + max) / 20);
 
     if (min == max) {		/* black, white and all shades of gray */
 	*h = 0;
@@ -409,19 +469,88 @@ rgb2hls(int r, int g, int b, NCURSES_COLOR_T *h, NCURSES_COLOR_T *l, NCURSES_COL
 
     /* calculate saturation */
     if (*l < 50)
-	*s = (NCURSES_COLOR_T) (((max - min) * 100) / (max + min));
+	*s = (((max - min) * 100) / (max + min));
     else
-	*s = (NCURSES_COLOR_T) (((max - min) * 100) / (2000 - max - min));
+	*s = (((max - min) * 100) / (2000 - max - min));
 
     /* calculate hue */
     if (r == max)
-	t = (NCURSES_COLOR_T) (120 + ((g - b) * 60) / (max - min));
+	t = (120 + ((g - b) * 60) / (max - min));
     else if (g == max)
-	t = (NCURSES_COLOR_T) (240 + ((b - r) * 60) / (max - min));
+	t = (240 + ((b - r) * 60) / (max - min));
     else
-	t = (NCURSES_COLOR_T) (360 + ((r - g) * 60) / (max - min));
+	t = (360 + ((r - g) * 60) / (max - min));
+
+    *h = (t % 360);
+}
+
+/*
+ * Change all cells which use(d) a given color pair to force a repaint.
+ */
+NCURSES_EXPORT(void)
+_nc_change_pair(SCREEN *sp, int pair)
+{
+    int y, x;
+
+    if (CurScreen(sp)->_clear)
+	return;
+#if NO_LEAKS
+    if (_nc_globals.leak_checking)
+	return;
+#endif
+
+    for (y = 0; y <= CurScreen(sp)->_maxy; y++) {
+	struct ldat *ptr = &(CurScreen(sp)->_line[y]);
+	bool changed = FALSE;
+	for (x = 0; x <= CurScreen(sp)->_maxx; x++) {
+	    if (GetPair(ptr->text[x]) == pair) {
+		/* Set the old cell to zero to ensure it will be
+		   updated on the next doupdate() */
+		SetChar(ptr->text[x], 0, 0);
+		CHANGED_CELL(ptr, x);
+		changed = TRUE;
+	    }
+	}
+	if (changed)
+	    NCURSES_SP_NAME(_nc_make_oldhash) (NCURSES_SP_ARGx y);
+    }
+}
+
+NCURSES_EXPORT(void)
+_nc_reserve_pairs(SCREEN *sp, int want)
+{
+    int have = sp->_pair_alloc;
 
-    *h = (NCURSES_COLOR_T) (t % 360);
+    if (have == 0)
+	have = 1;
+    while (have <= want)
+	have *= 2;
+    if (have > sp->_pair_limit)
+	have = sp->_pair_limit;
+
+    if (sp->_color_pairs == 0) {
+	sp->_color_pairs = TYPE_CALLOC(colorpair_t, have);
+    } else if (have > sp->_pair_alloc) {
+#if NCURSES_EXT_COLORS
+	colorpair_t *next;
+
+	if ((next = typeCalloc(colorpair_t, have)) == 0)
+	    _nc_err_abort(MSG_NO_MEMORY);
+	memcpy(next, sp->_color_pairs, (size_t) sp->_pair_alloc * sizeof(*next));
+	_nc_copy_pairs(sp, next, sp->_color_pairs, sp->_pair_alloc);
+	free(sp->_color_pairs);
+	sp->_color_pairs = next;
+#else
+	TYPE_REALLOC(colorpair_t, have, sp->_color_pairs);
+	if (sp->_color_pairs != 0) {
+	    memset(sp->_color_pairs + sp->_pair_alloc, 0,
+		   sizeof(colorpair_t) * (size_t) (have - sp->_pair_alloc));
+	}
+#endif
+    }
+    if (sp->_color_pairs != 0) {
+	sp->_pair_alloc = have;
+    }
 }
 
 /*
@@ -429,32 +558,27 @@ rgb2hls(int r, int g, int b, NCURSES_COLOR_T *h, NCURSES_COLOR_T *l, NCURSES_COL
  * values.
  */
 NCURSES_EXPORT(int)
-NCURSES_SP_NAME(init_pair) (NCURSES_SP_DCLx
-			    NCURSES_PAIRS_T pair,
-			    NCURSES_COLOR_T f,
-			    NCURSES_COLOR_T b)
+_nc_init_pair(SCREEN *sp, int pair, int f, int b)
 {
-    colorpair_t result;
+    static colorpair_t null_pair;
+    colorpair_t result = null_pair;
     colorpair_t previous;
     int maxcolors;
 
-    T((T_CALLED("init_pair(%p,%d,%d,%d)"),
-       (void *) SP_PARM,
-       (int) pair,
-       (int) f,
-       (int) b));
+    T((T_CALLED("init_pair(%p,%d,%d,%d)"), (void *) sp, pair, f, b));
 
-    if (!ValidPair(pair))
+    if (!ValidPair(sp, pair))
 	returnCode(ERR);
 
     maxcolors = MaxColors;
 
-    previous = SP_PARM->_color_pairs[pair];
+    ReservePairs(sp, pair);
+    previous = sp->_color_pairs[pair];
 #if NCURSES_EXT_FUNCS
-    if (SP_PARM->_default_color || SP_PARM->_assumed_color) {
+    if (sp->_default_color || sp->_assumed_color) {
 	bool isDefault = FALSE;
 	bool wasDefault = FALSE;
-	int default_pairs = SP_PARM->_default_pairs;
+	int default_pairs = sp->_default_pairs;
 
 	/*
 	 * Map caller's color number, e.g., -1, 0, 1, .., 7, etc., into
@@ -479,8 +603,8 @@ NCURSES_SP_NAME(init_pair) (NCURSES_SP_DCLx
 	 * Check if the table entry that we are going to init/update used
 	 * default colors.
 	 */
-	if ((FORE_OF(previous) == COLOR_DEFAULT)
-	    || (BACK_OF(previous) == COLOR_DEFAULT))
+	if (isDefaultColor(FORE_OF(previous))
+	    || isDefaultColor(BACK_OF(previous)))
 	    wasDefault = TRUE;
 
 	/*
@@ -501,10 +625,10 @@ NCURSES_SP_NAME(init_pair) (NCURSES_SP_DCLx
 	 * that does not will decrement the count - and possibly interfere
 	 * with sequentially adding new pairs.
 	 */
-	if (pair > (SP_PARM->_pair_count + default_pairs)) {
+	if (pair > (sp->_pair_count + default_pairs)) {
 	    returnCode(ERR);
 	}
-	SP_PARM->_default_pairs = default_pairs;
+	sp->_default_pairs = default_pairs;
     } else
 #endif
     {
@@ -520,34 +644,22 @@ NCURSES_SP_NAME(init_pair) (NCURSES_SP_DCLx
      * initialized before a screen update is performed replacing original
      * pair colors with the new ones).
      */
-    result = PAIR_OF(f, b);
-    if (previous != 0
-	&& previous != result) {
-	int y, x;
-
-	for (y = 0; y <= CurScreen(SP_PARM)->_maxy; y++) {
-	    struct ldat *ptr = &(CurScreen(SP_PARM)->_line[y]);
-	    bool changed = FALSE;
-	    for (x = 0; x <= CurScreen(SP_PARM)->_maxx; x++) {
-		if (GetPair(ptr->text[x]) == pair) {
-		    /* Set the old cell to zero to ensure it will be
-		       updated on the next doupdate() */
-		    SetChar(ptr->text[x], 0, 0);
-		    CHANGED_CELL(ptr, x);
-		    changed = TRUE;
-		}
-	    }
-	    if (changed)
-		NCURSES_SP_NAME(_nc_make_oldhash) (NCURSES_SP_ARGx y);
-	}
+    MakeColorPair(result, f, b);
+    if ((FORE_OF(previous) != 0
+	 || BACK_OF(previous) != 0)
+	&& !isSamePair(previous, result)) {
+	_nc_change_pair(sp, pair);
     }
 
-    SP_PARM->_color_pairs[pair] = result;
-    if (GET_SCREEN_PAIR(SP_PARM) == pair)
-	SET_SCREEN_PAIR(SP_PARM, (chtype) (~0));	/* force attribute update */
+    _nc_reset_color_pair(sp, pair, &result);
+    sp->_color_pairs[pair] = result;
+    _nc_set_color_pair(sp, pair, cpINIT);
+
+    if (GET_SCREEN_PAIR(sp) == pair)
+	SET_SCREEN_PAIR(sp, (int) (~0));	/* force attribute update */
 
 #ifdef USE_TERM_DRIVER
-    CallDriver_3(SP_PARM, initpair, pair, f, b);
+    CallDriver_3(sp, td_initpair, pair, f, b);
 #else
     if (initialize_pair && InPalette(f) && InPalette(b)) {
 	const color_t *tp = DefaultPalette;
@@ -573,6 +685,15 @@ NCURSES_SP_NAME(init_pair) (NCURSES_SP_DCLx
     returnCode(OK);
 }
 
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(init_pair) (NCURSES_SP_DCLx
+			    NCURSES_PAIRS_T pair,
+			    NCURSES_COLOR_T f,
+			    NCURSES_COLOR_T b)
+{
+    return _nc_init_pair(SP_PARM, pair, f, b);
+}
+
 #if NCURSES_SP_FUNCS
 NCURSES_EXPORT(int)
 init_pair(NCURSES_COLOR_T pair, NCURSES_COLOR_T f, NCURSES_COLOR_T b)
@@ -584,59 +705,65 @@ init_pair(NCURSES_COLOR_T pair, NCURSES_COLOR_T f, NCURSES_COLOR_T b)
 #define okRGB(n) ((n) >= 0 && (n) <= 1000)
 
 NCURSES_EXPORT(int)
-NCURSES_SP_NAME(init_color) (NCURSES_SP_DCLx
-			     NCURSES_COLOR_T color,
-			     NCURSES_COLOR_T r,
-			     NCURSES_COLOR_T g,
-			     NCURSES_COLOR_T b)
+_nc_init_color(SCREEN *sp, int color, int r, int g, int b)
 {
     int result = ERR;
     int maxcolors;
 
     T((T_CALLED("init_color(%p,%d,%d,%d,%d)"),
-       (void *) SP_PARM,
+       (void *) sp,
        color,
        r, g, b));
 
-    if (SP_PARM == 0)
+    if (sp == 0 || sp->_direct_color.value)
 	returnCode(result);
 
     maxcolors = MaxColors;
 
     if (InitColor
-	&& SP_PARM->_coloron
+	&& sp->_coloron
 	&& (color >= 0 && OkColorHi(color))
 	&& (okRGB(r) && okRGB(g) && okRGB(b))) {
 
-	SP_PARM->_color_table[color].init = 1;
-	SP_PARM->_color_table[color].r = r;
-	SP_PARM->_color_table[color].g = g;
-	SP_PARM->_color_table[color].b = b;
+	sp->_color_table[color].init = 1;
+	sp->_color_table[color].r = r;
+	sp->_color_table[color].g = g;
+	sp->_color_table[color].b = b;
 
 	if (UseHlsPalette) {
 	    rgb2hls(r, g, b,
-		    &SP_PARM->_color_table[color].red,
-		    &SP_PARM->_color_table[color].green,
-		    &SP_PARM->_color_table[color].blue);
+		    &sp->_color_table[color].red,
+		    &sp->_color_table[color].green,
+		    &sp->_color_table[color].blue);
 	} else {
-	    SP_PARM->_color_table[color].red = r;
-	    SP_PARM->_color_table[color].green = g;
-	    SP_PARM->_color_table[color].blue = b;
+	    sp->_color_table[color].red = r;
+	    sp->_color_table[color].green = g;
+	    sp->_color_table[color].blue = b;
 	}
 
 #ifdef USE_TERM_DRIVER
-	CallDriver_4(SP_PARM, initcolor, color, r, g, b);
+	CallDriver_4(sp, td_initcolor, color, r, g, b);
 #else
 	NCURSES_PUTP2("initialize_color",
 		      TPARM_4(initialize_color, color, r, g, b));
 #endif
-	SP_PARM->_color_defs = max(color + 1, SP_PARM->_color_defs);
+	sp->_color_defs = max(color + 1, sp->_color_defs);
 
 	result = OK;
     }
     returnCode(result);
 }
 
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(init_color) (NCURSES_SP_DCLx
+			     NCURSES_COLOR_T color,
+			     NCURSES_COLOR_T r,
+			     NCURSES_COLOR_T g,
+			     NCURSES_COLOR_T b)
+{
+    return _nc_init_color(SP_PARM, color, r, g, b);
+}
+
 #if NCURSES_SP_FUNCS
 NCURSES_EXPORT(int)
 init_color(NCURSES_COLOR_T color,
@@ -676,7 +803,7 @@ NCURSES_SP_NAME(has_colors) (NCURSES_SP_DCL0)
     int code = FALSE;
 
     (void) SP_PARM;
-    T((T_CALLED("has_colors()")));
+    T((T_CALLED("has_colors(%p)"), (void *) SP_PARM));
     if (HasTerminal(SP_PARM)) {
 #ifdef USE_TERM_DRIVER
 	code = HasColor;
@@ -700,34 +827,54 @@ has_colors(void)
 }
 #endif
 
-NCURSES_EXPORT(int)
-NCURSES_SP_NAME(color_content) (NCURSES_SP_DCLx
-				NCURSES_COLOR_T color,
-				NCURSES_COLOR_T *r,
-				NCURSES_COLOR_T *g,
-				NCURSES_COLOR_T *b)
+static int
+_nc_color_content(SCREEN *sp, int color, int *r, int *g, int *b)
 {
     int result = ERR;
     int maxcolors;
 
     T((T_CALLED("color_content(%p,%d,%p,%p,%p)"),
-       (void *) SP_PARM,
+       (void *) sp,
        color,
        (void *) r,
        (void *) g,
        (void *) b));
 
-    if (SP_PARM == 0)
+    if (sp == 0)
 	returnCode(result);
 
     maxcolors = MaxColors;
 
-    if (color < 0 || !OkColorHi(color) || !SP_PARM->_coloron) {
+    if (color < 0 || !OkColorHi(color) || !sp->_coloron) {
 	result = ERR;
     } else {
-	NCURSES_COLOR_T c_r = SP_PARM->_color_table[color].red;
-	NCURSES_COLOR_T c_g = SP_PARM->_color_table[color].green;
-	NCURSES_COLOR_T c_b = SP_PARM->_color_table[color].blue;
+	int c_r, c_g, c_b;
+
+	if (sp->_direct_color.value) {
+	    rgb_bits_t *work = &(sp->_direct_color);
+
+#define max_direct_color(name)	((1 << work->bits.name) - 1)
+#define value_direct_color(max) (1000 * ((color >> bitoff) & max)) / max
+
+	    int max_r = max_direct_color(red);
+	    int max_g = max_direct_color(green);
+	    int max_b = max_direct_color(blue);
+
+	    int bitoff = 0;
+
+	    c_b = value_direct_color(max_b);
+	    bitoff += work->bits.blue;
+
+	    c_g = value_direct_color(max_g);
+	    bitoff += work->bits.green;
+
+	    c_r = value_direct_color(max_r);
+
+	} else {
+	    c_r = sp->_color_table[color].red;
+	    c_g = sp->_color_table[color].green;
+	    c_b = sp->_color_table[color].blue;
+	}
 
 	if (r)
 	    *r = c_r;
@@ -743,6 +890,23 @@ NCURSES_SP_NAME(color_content) (NCURSES_SP_DCLx
     returnCode(result);
 }
 
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(color_content) (NCURSES_SP_DCLx
+				NCURSES_COLOR_T color,
+				NCURSES_COLOR_T *r,
+				NCURSES_COLOR_T *g,
+				NCURSES_COLOR_T *b)
+{
+    int my_r, my_g, my_b;
+    int rc = _nc_color_content(SP_PARM, color, &my_r, &my_g, &my_b);
+    if (rc == OK) {
+	*r = limit_COLOR(my_r);
+	*g = limit_COLOR(my_g);
+	*b = limit_COLOR(my_b);
+    }
+    return rc;
+}
+
 #if NCURSES_SP_FUNCS
 NCURSES_EXPORT(int)
 color_content(NCURSES_COLOR_T color,
@@ -755,29 +919,29 @@ color_content(NCURSES_COLOR_T color,
 #endif
 
 NCURSES_EXPORT(int)
-NCURSES_SP_NAME(pair_content) (NCURSES_SP_DCLx
-			       NCURSES_PAIRS_T pair,
-			       NCURSES_COLOR_T *f,
-			       NCURSES_COLOR_T *b)
+_nc_pair_content(SCREEN *sp, int pair, int *f, int *b)
 {
     int result;
 
     T((T_CALLED("pair_content(%p,%d,%p,%p)"),
-       (void *) SP_PARM,
+       (void *) sp,
        (int) pair,
        (void *) f,
        (void *) b));
 
-    if (!ValidPair(pair)) {
+    if (!ValidPair(sp, pair)) {
 	result = ERR;
     } else {
-	NCURSES_COLOR_T fg = (NCURSES_COLOR_T) FORE_OF(SP_PARM->_color_pairs[pair]);
-	NCURSES_COLOR_T bg = (NCURSES_COLOR_T) BACK_OF(SP_PARM->_color_pairs[pair]);
+	int fg;
+	int bg;
 
+	ReservePairs(sp, pair);
+	fg = FORE_OF(sp->_color_pairs[pair]);
+	bg = BACK_OF(sp->_color_pairs[pair]);
 #if NCURSES_EXT_FUNCS
-	if (fg == COLOR_DEFAULT)
+	if (isDefaultColor(fg))
 	    fg = -1;
-	if (bg == COLOR_DEFAULT)
+	if (isDefaultColor(bg))
 	    bg = -1;
 #endif
 
@@ -787,7 +951,7 @@ NCURSES_SP_NAME(pair_content) (NCURSES_SP_DCLx
 	    *b = bg;
 
 	TR(TRACE_ATTRS, ("...pair_content(%p,%d,%d,%d)",
-			 (void *) SP_PARM,
+			 (void *) sp,
 			 (int) pair,
 			 (int) fg, (int) bg));
 	result = OK;
@@ -795,6 +959,21 @@ NCURSES_SP_NAME(pair_content) (NCURSES_SP_DCLx
     returnCode(result);
 }
 
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(pair_content) (NCURSES_SP_DCLx
+			       NCURSES_PAIRS_T pair,
+			       NCURSES_COLOR_T *f,
+			       NCURSES_COLOR_T *b)
+{
+    int my_f, my_b;
+    int rc = _nc_pair_content(SP_PARM, pair, &my_f, &my_b);
+    if (rc == OK) {
+	*f = limit_COLOR(my_f);
+	*b = limit_COLOR(my_b);
+    }
+    return rc;
+}
+
 #if NCURSES_SP_FUNCS
 NCURSES_EXPORT(int)
 pair_content(NCURSES_COLOR_T pair, NCURSES_COLOR_T *f, NCURSES_COLOR_T *b)
@@ -811,14 +990,14 @@ NCURSES_SP_NAME(_nc_do_color) (NCURSES_SP_DCLx
 			       NCURSES_SP_OUTC outc)
 {
 #ifdef USE_TERM_DRIVER
-    CallDriver_4(SP_PARM, docolor, old_pair, pair, reverse, outc);
+    CallDriver_4(SP_PARM, td_docolor, old_pair, pair, reverse, outc);
 #else
-    NCURSES_COLOR_T fg = COLOR_DEFAULT;
-    NCURSES_COLOR_T bg = COLOR_DEFAULT;
-    NCURSES_COLOR_T old_fg = -1;
-    NCURSES_COLOR_T old_bg = -1;
+    int fg = COLOR_DEFAULT;
+    int bg = COLOR_DEFAULT;
+    int old_fg = -1;
+    int old_bg = -1;
 
-    if (!ValidPair(pair)) {
+    if (!ValidPair(SP_PARM, pair)) {
 	return;
     } else if (pair != 0) {
 	if (set_color_pair) {
@@ -828,14 +1007,14 @@ NCURSES_SP_NAME(_nc_do_color) (NCURSES_SP_DCLx
 				    1, outc);
 	    return;
 	} else if (SP_PARM != 0) {
-	    if (pair_content((NCURSES_COLOR_T) pair, &fg, &bg) == ERR)
+	    if (_nc_pair_content(SP_PARM, pair, &fg, &bg) == ERR)
 		return;
 	}
     }
 
     if (old_pair >= 0
 	&& SP_PARM != 0
-	&& pair_content((NCURSES_COLOR_T) old_pair, &old_fg, &old_bg) != ERR) {
+	&& _nc_pair_content(SP_PARM, old_pair, &old_fg, &old_bg) != ERR) {
 	if ((isDefaultColor(fg) && !isDefaultColor(old_fg))
 	    || (isDefaultColor(bg) && !isDefaultColor(old_bg))) {
 #if NCURSES_EXT_FUNCS
@@ -858,19 +1037,19 @@ NCURSES_SP_NAME(_nc_do_color) (NCURSES_SP_DCLx
 	}
     } else {
 	reset_color_pair(NCURSES_SP_ARG);
-	if (old_pair < 0)
+	if (old_pair < 0 && pair <= 0)
 	    return;
     }
 
 #if NCURSES_EXT_FUNCS
     if (isDefaultColor(fg))
-	fg = (NCURSES_COLOR_T) default_fg(NCURSES_SP_ARG);
+	fg = default_fg(NCURSES_SP_ARG);
     if (isDefaultColor(bg))
-	bg = (NCURSES_COLOR_T) default_bg(NCURSES_SP_ARG);
+	bg = default_bg(NCURSES_SP_ARG);
 #endif
 
     if (reverse) {
-	NCURSES_COLOR_T xx = fg;
+	int xx = fg;
 	fg = bg;
 	bg = xx;
     }
@@ -899,3 +1078,87 @@ _nc_do_color(int old_pair, int pair, int reverse, NCURSES_OUTC outc)
 				   _nc_outc_wrapper);
 }
 #endif
+
+#if NCURSES_EXT_COLORS
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(init_extended_pair) (NCURSES_SP_DCLx int pair, int f, int b)
+{
+    return _nc_init_pair(SP_PARM, pair, f, b);
+}
+
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(init_extended_color) (NCURSES_SP_DCLx
+				      int color,
+				      int r, int g, int b)
+{
+    return _nc_init_color(SP_PARM, color, r, g, b);
+}
+
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(extended_color_content) (NCURSES_SP_DCLx
+					 int color,
+					 int *r, int *g, int *b)
+{
+    return _nc_color_content(SP_PARM, color, r, g, b);
+}
+
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(extended_pair_content) (NCURSES_SP_DCLx
+					int pair,
+					int *f, int *b)
+{
+    return _nc_pair_content(SP_PARM, pair, f, b);
+}
+
+NCURSES_EXPORT(void)
+NCURSES_SP_NAME(reset_color_pairs) (NCURSES_SP_DCL0)
+{
+    if (SP_PARM != 0) {
+	if (SP_PARM->_color_pairs) {
+	    _nc_free_ordered_pairs(SP_PARM);
+	    free(SP_PARM->_color_pairs);
+	    SP_PARM->_color_pairs = 0;
+	    SP_PARM->_pair_alloc = 0;
+	    ReservePairs(SP_PARM, 16);
+	    clearok(CurScreen(SP_PARM), TRUE);
+	    touchwin(StdScreen(SP_PARM));
+	}
+    }
+}
+
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+init_extended_pair(int pair, int f, int b)
+{
+    return NCURSES_SP_NAME(init_extended_pair) (CURRENT_SCREEN, pair, f, b);
+}
+
+NCURSES_EXPORT(int)
+init_extended_color(int color, int r, int g, int b)
+{
+    return NCURSES_SP_NAME(init_extended_color) (CURRENT_SCREEN,
+						 color,
+						 r, g, b);
+}
+
+NCURSES_EXPORT(int)
+extended_color_content(int color, int *r, int *g, int *b)
+{
+    return NCURSES_SP_NAME(extended_color_content) (CURRENT_SCREEN,
+						    color,
+						    r, g, b);
+}
+
+NCURSES_EXPORT(int)
+extended_pair_content(int pair, int *f, int *b)
+{
+    return NCURSES_SP_NAME(extended_pair_content) (CURRENT_SCREEN, pair, f, b);
+}
+
+NCURSES_EXPORT(void)
+reset_color_pairs(void)
+{
+    NCURSES_SP_NAME(reset_color_pairs) (CURRENT_SCREEN);
+}
+#endif /* NCURSES_SP_FUNCS */
+#endif /* NCURSES_EXT_COLORS */
diff --git a/ncurses/base/lib_colorset.c b/ncurses/base/lib_colorset.c
index e9354860ad0d..f3aef7e39110 100644
--- a/ncurses/base/lib_colorset.c
+++ b/ncurses/base/lib_colorset.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2014 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2004,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -41,22 +41,23 @@
 #include <curses.priv.h>
 #include <ctype.h>
 
-MODULE_ID("$Id: lib_colorset.c,v 1.14 2014/02/01 22:10:42 tom Exp $")
+MODULE_ID("$Id: lib_colorset.c,v 1.15 2017/03/16 23:45:30 tom Exp $")
 
 NCURSES_EXPORT(int)
-wcolor_set(WINDOW *win, NCURSES_PAIRS_T color_pair_number, void *opts)
+wcolor_set(WINDOW *win, NCURSES_PAIRS_T pair_arg, void *opts)
 {
     int code = ERR;
+    int color_pair = pair_arg;
 
-    T((T_CALLED("wcolor_set(%p,%d)"), (void *) win, (int) color_pair_number));
+    T((T_CALLED("wcolor_set(%p,%d)"), (void *) win, color_pair));
+    set_extended_pair(opts, color_pair);
     if (win
-	&& !opts
 	&& (SP != 0)
-	&& (color_pair_number >= 0)
-	&& (color_pair_number < SP->_pair_limit)) {
+	&& (color_pair >= 0)
+	&& (color_pair < SP->_pair_limit)) {
 	TR(TRACE_ATTRS, ("... current %ld", (long) GET_WINDOW_PAIR(win)));
-	SET_WINDOW_PAIR(win, color_pair_number);
-	if_EXT_COLORS(win->_color = color_pair_number);
+	SET_WINDOW_PAIR(win, color_pair);
+	if_EXT_COLORS(win->_color = color_pair);
 	code = OK;
     }
     returnCode(code);
diff --git a/ncurses/base/lib_dft_fgbg.c b/ncurses/base/lib_dft_fgbg.c
index 00cbafb39730..d5fd1a03a8d6 100644
--- a/ncurses/base/lib_dft_fgbg.c
+++ b/ncurses/base/lib_dft_fgbg.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2011 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2014,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -37,7 +37,7 @@
 #define CUR SP_TERMTYPE
 #endif
 
-MODULE_ID("$Id: lib_dft_fgbg.c,v 1.26 2011/04/23 18:28:18 tom Exp $")
+MODULE_ID("$Id: lib_dft_fgbg.c,v 1.29 2017/03/25 21:00:49 tom Exp $")
 
 /*
  * Modify the behavior of color-pair 0 so that the library doesn't assume that
@@ -68,26 +68,27 @@ NCURSES_SP_NAME(assume_default_colors) (NCURSES_SP_DCLx int fg, int bg)
     int code = ERR;
 
     T((T_CALLED("assume_default_colors(%p,%d,%d)"), (void *) SP_PARM, fg, bg));
+    if (SP_PARM != 0) {
 #ifdef USE_TERM_DRIVER
-    if (sp != 0)
-	code = CallDriver_2(sp, defaultcolors, fg, bg);
+	code = CallDriver_2(SP_PARM, td_defaultcolors, fg, bg);
 #else
-    if ((orig_pair || orig_colors) && !initialize_pair) {
+	if ((orig_pair || orig_colors) && !initialize_pair) {
 
-	SP_PARM->_default_color = isDefaultColor(fg) || isDefaultColor(bg);
-	SP_PARM->_has_sgr_39_49 = (tigetflag("AX") == TRUE);
-	SP_PARM->_default_fg = isDefaultColor(fg) ? COLOR_DEFAULT : (fg & C_MASK);
-	SP_PARM->_default_bg = isDefaultColor(bg) ? COLOR_DEFAULT : (bg & C_MASK);
-	if (SP_PARM->_color_pairs != 0) {
-	    bool save = SP_PARM->_default_color;
-	    SP_PARM->_assumed_color = TRUE;
-	    SP_PARM->_default_color = TRUE;
-	    init_pair(0, (short) fg, (short) bg);
-	    SP_PARM->_default_color = save;
+	    SP_PARM->_default_color = isDefaultColor(fg) || isDefaultColor(bg);
+	    SP_PARM->_has_sgr_39_49 = (tigetflag("AX") == TRUE);
+	    SP_PARM->_default_fg = isDefaultColor(fg) ? COLOR_DEFAULT : fg;
+	    SP_PARM->_default_bg = isDefaultColor(bg) ? COLOR_DEFAULT : bg;
+	    if (SP_PARM->_color_pairs != 0) {
+		bool save = SP_PARM->_default_color;
+		SP_PARM->_assumed_color = TRUE;
+		SP_PARM->_default_color = TRUE;
+		init_pair(0, (short) fg, (short) bg);
+		SP_PARM->_default_color = save;
+	    }
+	    code = OK;
 	}
-	code = OK;
-    }
 #endif
+    }
     returnCode(code);
 }
 
diff --git a/ncurses/base/lib_driver.c b/ncurses/base/lib_driver.c
index 6301a5887d64..6211b70bec19 100644
--- a/ncurses/base/lib_driver.c
+++ b/ncurses/base/lib_driver.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2008-2010,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 2008-2014,2018 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -33,7 +33,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_driver.c,v 1.4 2012/09/22 19:32:46 tom Exp $")
+MODULE_ID("$Id: lib_driver.c,v 1.7 2018/06/24 00:06:37 tom Exp $")
 
 typedef struct DriverEntry {
     const char *name;
@@ -42,8 +42,8 @@ typedef struct DriverEntry {
 
 static DRIVER_ENTRY DriverTable[] =
 {
-#ifdef __MINGW32__
-    {"win32con", &_nc_WIN_DRIVER},
+#ifdef _WIN32
+    {"win32console", &_nc_WIN_DRIVER},
 #endif
     {"tinfo", &_nc_TINFO_DRIVER}	/* must be last */
 };
@@ -63,24 +63,12 @@ _nc_get_driver(TERMINAL_CONTROL_BLOCK * TCB, const char *name, int *errret)
 
     for (i = 0; i < SIZEOF(DriverTable); i++) {
 	res = DriverTable[i].driver;
-	/*
-	 * Use "#" (a character which cannot begin a terminal's name) to
-	 * select specific driver from the table.
-	 *
-	 * In principle, we could have more than one non-terminfo driver,
-	 * e.g., "win32gui".
-	 */
-	if (name != 0 && *name == '#') {
-	    size_t n = strlen(name + 1);
-	    if (n != 0
-		&& strncmp(name + 1, DriverTable[i].name, n)) {
-		continue;
+	if (strcmp(DriverTable[i].name, res->td_name(TCB)) == 0) {
+	    if (res->td_CanHandle(TCB, name, errret)) {
+		use = res;
+		break;
 	    }
 	}
-	if (res->CanHandle(TCB, name, errret)) {
-	    use = res;
-	    break;
-	}
     }
     if (use != 0) {
 	TCB->drv = use;
@@ -93,7 +81,7 @@ NCURSES_EXPORT(int)
 NCURSES_SP_NAME(has_key) (SCREEN *sp, int keycode)
 {
     T((T_CALLED("has_key(%p, %d)"), (void *) sp, keycode));
-    returnCode(IsValidTIScreen(sp) ? CallDriver_1(sp, kyExist, keycode) : FALSE);
+    returnCode(IsValidTIScreen(sp) ? CallDriver_1(sp, td_kyExist, keycode) : FALSE);
 }
 
 NCURSES_EXPORT(int)
@@ -108,7 +96,7 @@ NCURSES_SP_NAME(_nc_mcprint) (SCREEN *sp, char *data, int len)
     int code = ERR;
 
     if (0 != TerminalOf(sp))
-	code = CallDriver_2(sp, print, data, len);
+	code = CallDriver_2(sp, td_print, data, len);
     return (code);
 }
 
@@ -126,7 +114,7 @@ NCURSES_SP_NAME(doupdate) (SCREEN *sp)
     T((T_CALLED("doupdate(%p)"), (void *) sp));
 
     if (IsValidScreen(sp))
-	code = CallDriver(sp, update);
+	code = CallDriver(sp, td_update);
 
     returnCode(code);
 }
@@ -144,7 +132,7 @@ NCURSES_SP_NAME(mvcur) (SCREEN *sp, int yold, int xold, int ynew, int xnew)
     TR(TRACE_CALLS | TRACE_MOVE, (T_CALLED("mvcur(%p,%d,%d,%d,%d)"),
 				  (void *) sp, yold, xold, ynew, xnew));
     if (HasTerminal(sp)) {
-	code = CallDriver_4(sp, hwcur, yold, xold, ynew, xnew);
+	code = CallDriver_4(sp, td_hwcur, yold, xold, ynew, xnew);
     }
     returnCode(code);
 }
diff --git a/ncurses/base/lib_endwin.c b/ncurses/base/lib_endwin.c
index 4596d0749633..c3ba37a65232 100644
--- a/ncurses/base/lib_endwin.c
+++ b/ncurses/base/lib_endwin.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2008,2009 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2014,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -42,7 +42,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_endwin.c,v 1.22 2009/10/24 22:02:14 tom Exp $")
+MODULE_ID("$Id: lib_endwin.c,v 1.24 2017/07/22 23:29:40 tom Exp $")
 
 NCURSES_EXPORT(int)
 NCURSES_SP_NAME(endwin) (NCURSES_SP_DCL0)
@@ -55,11 +55,11 @@ NCURSES_SP_NAME(endwin) (NCURSES_SP_DCL0)
 #ifdef USE_TERM_DRIVER
 	TERMINAL_CONTROL_BLOCK *TCB = TCBOf(SP_PARM);
 
-	SP_PARM->_endwin = TRUE;
-	if (TCB && TCB->drv && TCB->drv->scexit)
-	    TCB->drv->scexit(SP_PARM);
+	SP_PARM->_endwin = ewSuspend;
+	if (TCB && TCB->drv && TCB->drv->td_scexit)
+	    TCB->drv->td_scexit(SP_PARM);
 #else
-	SP_PARM->_endwin = TRUE;
+	SP_PARM->_endwin = ewSuspend;
 	SP_PARM->_mouse_wrap(SP_PARM);
 	_nc_screen_wrap();
 	_nc_mvcur_wrap();	/* wrap up cursor addressing */
diff --git a/ncurses/base/lib_erase.c b/ncurses/base/lib_erase.c
index bbf10ef81b92..6bac1ba10178 100644
--- a/ncurses/base/lib_erase.c
+++ b/ncurses/base/lib_erase.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2005,2009 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2009,2016 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -41,21 +41,25 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_erase.c,v 1.17 2009/10/24 22:32:29 tom Exp $")
+MODULE_ID("$Id: lib_erase.c,v 1.18 2016/05/28 23:11:26 tom Exp $")
 
 NCURSES_EXPORT(int)
 werase(WINDOW *win)
 {
     int code = ERR;
-    int y;
     NCURSES_CH_T blank;
-    NCURSES_CH_T *sp, *end, *start;
+    NCURSES_CH_T *start;
 
     T((T_CALLED("werase(%p)"), (void *) win));
 
     if (win) {
+	NCURSES_CH_T *sp;
+	int y;
+
 	blank = win->_nc_bkgd;
 	for (y = 0; y <= win->_maxy; y++) {
+	    NCURSES_CH_T *end;
+
 	    start = win->_line[y].text;
 	    end = &start[win->_maxx];
 
diff --git a/ncurses/base/lib_flash.c b/ncurses/base/lib_flash.c
index 3520177ea33f..7f25038cea51 100644
--- a/ncurses/base/lib_flash.c
+++ b/ncurses/base/lib_flash.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2011,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2013,2014 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -46,7 +46,7 @@
 #define CUR SP_TERMTYPE
 #endif
 
-MODULE_ID("$Id: lib_flash.c,v 1.13 2013/01/12 17:26:07 tom Exp $")
+MODULE_ID("$Id: lib_flash.c,v 1.14 2014/03/08 20:32:59 tom Exp $")
 
 /*
  *	flash()
@@ -64,7 +64,7 @@ NCURSES_SP_NAME(flash) (NCURSES_SP_DCL0)
     T((T_CALLED("flash(%p)"), (void *) SP_PARM));
 #ifdef USE_TERM_DRIVER
     if (SP_PARM != 0)
-	res = CallDriver_1(SP_PARM, doBeepOrFlash, FALSE);
+	res = CallDriver_1(SP_PARM, td_doBeepOrFlash, FALSE);
 #else
     if (HasTerminal(SP_PARM)) {
 	/* FIXME: should make sure that we are not in altchar mode */
diff --git a/ncurses/base/lib_freeall.c b/ncurses/base/lib_freeall.c
index 031374924f00..4e29ec0f632f 100644
--- a/ncurses/base/lib_freeall.c
+++ b/ncurses/base/lib_freeall.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -39,7 +39,7 @@
 extern int malloc_errfd;	/* FIXME */
 #endif
 
-MODULE_ID("$Id: lib_freeall.c,v 1.62 2012/11/17 23:53:03 tom Exp $")
+MODULE_ID("$Id: lib_freeall.c,v 1.71 2019/12/15 00:30:49 tom Exp $")
 
 /*
  * Free all ncurses data.  This is used for testing only (there's no practical
@@ -48,11 +48,11 @@ MODULE_ID("$Id: lib_freeall.c,v 1.62 2012/11/17 23:53:03 tom Exp $")
 NCURSES_EXPORT(void)
 NCURSES_SP_NAME(_nc_freeall) (NCURSES_SP_DCL0)
 {
-    WINDOWLIST *p, *q;
     static va_list empty_va;
 
     T((T_CALLED("_nc_freeall()")));
 #if NO_LEAKS
+    _nc_globals.leak_checking = TRUE;
     if (SP_PARM != 0) {
 	if (SP_PARM->_oldnum_list != 0) {
 	    FreeAndNull(SP_PARM->_oldnum_list);
@@ -60,12 +60,16 @@ NCURSES_SP_NAME(_nc_freeall) (NCURSES_SP_DCL0)
 	if (SP_PARM->_panelHook.destroy != 0) {
 	    SP_PARM->_panelHook.destroy(SP_PARM->_panelHook.stdscr_pseudo_panel);
 	}
+#if NCURSES_EXT_COLORS
+	_nc_new_pair_leaks(SP_PARM);
+#endif
     }
 #endif
     if (SP_PARM != 0) {
 	_nc_lock_global(curses);
 
 	while (WindowList(SP_PARM) != 0) {
+	    WINDOWLIST *p, *q;
 	    bool deleted = FALSE;
 
 	    /* Delete only windows that're not a parent */
@@ -73,8 +77,19 @@ NCURSES_SP_NAME(_nc_freeall) (NCURSES_SP_DCL0)
 		WINDOW *p_win = &(p->win);
 		bool found = FALSE;
 
+#ifndef USE_SP_WINDOWLIST
+		if (p->screen != SP_PARM)
+		    continue;
+#endif
+
 		for (each_window(SP_PARM, q)) {
 		    WINDOW *q_win = &(q->win);
+
+#ifndef USE_SP_WINDOWLIST
+		    if (q->screen != SP_PARM)
+			continue;
+#endif
+
 		    if ((p != q)
 			&& (q_win->_flags & _SUBWIN)
 			&& (p_win == q_win->_parent)) {
@@ -131,22 +146,20 @@ _nc_freeall(void)
 NCURSES_EXPORT(void)
 NCURSES_SP_NAME(_nc_free_and_exit) (NCURSES_SP_DCLx int code)
 {
-    char *last_buffer = (SP_PARM != 0) ? SP_PARM->out_buffer : 0;
-
+    T((T_CALLED("_nc_free_and_exit(%d)"), code));
     NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_ARG);
     NCURSES_SP_NAME(_nc_freeall) (NCURSES_SP_ARG);
 #ifdef TRACE
-    trace(0);			/* close trace file, freeing its setbuf */
+    curses_trace(0);		/* close trace file, freeing its setbuf */
     {
 	static va_list fake;
 	free(_nc_varargs("?", fake));
     }
 #endif
-    FreeIfNeeded(last_buffer);
     exit(code);
 }
 
-#else
+#else /* !HAVE_NC_FREEALL */
 NCURSES_EXPORT(void)
 _nc_freeall(void)
 {
@@ -162,7 +175,7 @@ NCURSES_SP_NAME(_nc_free_and_exit) (NCURSES_SP_DCLx int code)
     }
     exit(code);
 }
-#endif
+#endif /* HAVE_NC_FREEALL */
 
 #if NCURSES_SP_FUNCS
 NCURSES_EXPORT(void)
@@ -171,3 +184,16 @@ _nc_free_and_exit(int code)
     NCURSES_SP_NAME(_nc_free_and_exit) (CURRENT_SCREEN, code);
 }
 #endif
+
+NCURSES_EXPORT(void)
+exit_curses(int code)
+{
+#if NO_LEAKS
+#if NCURSES_SP_FUNCS
+    NCURSES_SP_NAME(_nc_free_and_exit) (CURRENT_SCREEN, code);
+#else
+    _nc_free_and_exit(code);	/* deprecated... */
+#endif
+#endif
+    exit(code);
+}
diff --git a/ncurses/base/lib_getch.c b/ncurses/base/lib_getch.c
index 0a04ef5a6e1b..66c9f87e57d6 100644
--- a/ncurses/base/lib_getch.c
+++ b/ncurses/base/lib_getch.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -42,7 +42,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_getch.c,v 1.126 2013/02/16 18:30:37 tom Exp $")
+MODULE_ID("$Id: lib_getch.c,v 1.138 2019/11/03 00:11:16 tom Exp $")
 
 #include <fifo_defs.h>
 
@@ -69,16 +69,20 @@ NCURSES_EXPORT(int)
 NCURSES_SP_NAME(set_escdelay) (NCURSES_SP_DCLx int value)
 {
     int code = OK;
-#if USE_REENTRANT
-    if (SP_PARM) {
-	SET_ESCDELAY(value);
-    } else {
+    if (value < 0) {
 	code = ERR;
-    }
+    } else {
+#if USE_REENTRANT
+	if (SP_PARM) {
+	    SET_ESCDELAY(value);
+	} else {
+	    code = ERR;
+	}
 #else
-    (void) SP_PARM;
-    ESCDELAY = value;
+	(void) SP_PARM;
+	ESCDELAY = value;
 #endif
+    }
     return code;
 }
 
@@ -87,12 +91,16 @@ NCURSES_EXPORT(int)
 set_escdelay(int value)
 {
     int code;
+    if (value < 0) {
+	code = ERR;
+    } else {
 #if USE_REENTRANT
-    code = NCURSES_SP_NAME(set_escdelay) (CURRENT_SCREEN, value);
+	code = NCURSES_SP_NAME(set_escdelay) (CURRENT_SCREEN, value);
 #else
-    ESCDELAY = value;
-    code = OK;
+	ESCDELAY = value;
+	code = OK;
 #endif
+    }
     return code;
 }
 #endif
@@ -124,6 +132,17 @@ _nc_use_meta(WINDOW *win)
     return (sp ? sp->_use_meta : 0);
 }
 
+#ifdef USE_TERM_DRIVER
+# ifdef _WIN32
+static HANDLE
+_nc_get_handle(int fd)
+{
+    intptr_t value = _get_osfhandle(fd);
+    return (HANDLE) value;
+}
+# endif
+#endif
+
 /*
  * Check for mouse activity, returning nonzero if we find any.
  */
@@ -133,7 +152,16 @@ check_mouse_activity(SCREEN *sp, int delay EVENTLIST_2nd(_nc_eventlist * evl))
     int rc;
 
 #ifdef USE_TERM_DRIVER
-    rc = TCBOf(sp)->drv->testmouse(TCBOf(sp), delay EVENTLIST_2nd(evl));
+    TERMINAL_CONTROL_BLOCK *TCB = TCBOf(sp);
+    rc = TCBOf(sp)->drv->td_testmouse(TCBOf(sp), delay EVENTLIST_2nd(evl));
+# ifdef _WIN32
+    /* if we emulate terminfo on console, we have to use the console routine */
+    if (IsTermInfoOnConsole(sp)) {
+	HANDLE fd = _nc_get_handle(sp->_ifd);
+	rc = _nc_mingw_testmouse(sp, fd, delay EVENTLIST_2nd(evl));
+    } else
+# endif
+	rc = TCB->drv->td_testmouse(TCB, delay EVENTLIST_2nd(evl));
 #else
 #if USE_SYSMOUSE
     if ((sp->_mouse_type == M_SYSMOUSE)
@@ -204,11 +232,6 @@ fifo_push(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl))
     if (tail < 0)
 	return ERR;
 
-#ifdef HIDE_EINTR
-  again:
-    errno = 0;
-#endif
-
 #ifdef NCURSES_WGETCH_EVENTS
     if (evl
 #if USE_GPM_SUPPORT || USE_EMX_MOUSE || USE_SYSMOUSE
@@ -259,7 +282,7 @@ fifo_push(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl))
     } else
 #endif
 #if USE_KLIBC_KBD
-    if (isatty(sp->_ifd) && sp->_cbreak) {
+    if (NC_ISATTY(sp->_ifd) && sp->_cbreak) {
 	ch = _read_kbd(0, 1, !sp->_raw);
 	n = (ch == -1) ? -1 : 1;
 	sp->_extended_key = (ch == 0);
@@ -268,7 +291,14 @@ fifo_push(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl))
     {				/* Can block... */
 #ifdef USE_TERM_DRIVER
 	int buf;
-	n = CallDriver_1(sp, read, &buf);
+#ifdef _WIN32
+	if (NC_ISATTY(sp->_ifd) && IsTermInfoOnConsole(sp) && sp->_cbreak)
+	    n = _nc_mingw_console_read(sp,
+				       _nc_get_handle(sp->_ifd),
+				       &buf);
+	else
+#endif
+	    n = CallDriver_1(sp, td_read, &buf);
 	ch = buf;
 #else
 	unsigned char c2 = 0;
@@ -286,24 +316,6 @@ fifo_push(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl))
 #endif
     }
 
-#ifdef HIDE_EINTR
-    /*
-     * Under System V curses with non-restarting signals, getch() returns
-     * with value ERR when a handled signal keeps it from completing.
-     * If signals restart system calls, OTOH, the signal is invisible
-     * except to its handler.
-     *
-     * We don't want this difference to show.  This piece of code
-     * tries to make it look like we always have restarting signals.
-     */
-    if (n <= 0 && errno == EINTR
-# if USE_PTHREADS_EINTR
-	&& (_nc_globals.have_sigwinch == 0)
-# endif
-	)
-	goto again;
-#endif
-
     if ((n == -1) || (n == 0)) {
 	TR(TRACE_IEVENT, ("read(%d,&ch,1)=%d, errno=%d", sp->_ifd, n, errno));
 	ch = ERR;
@@ -333,7 +345,7 @@ fifo_clear(SCREEN *sp)
     tail = peek = 0;
 }
 
-static int kgetch(SCREEN *EVENTLIST_2nd(_nc_eventlist * evl));
+static int kgetch(SCREEN *, bool EVENTLIST_2nd(_nc_eventlist *));
 
 static void
 recur_wrefresh(WINDOW *win)
@@ -399,7 +411,7 @@ _nc_wgetch(WINDOW *win,
     int ch;
     int rc = 0;
 #ifdef NCURSES_WGETCH_EVENTS
-    long event_delay = -1;
+    int event_delay = -1;
 #endif
 
     T((T_CALLED("_nc_wgetch(%p)"), (void *) win));
@@ -510,7 +522,7 @@ _nc_wgetch(WINDOW *win,
 	int runcount = 0;
 
 	do {
-	    ch = kgetch(sp EVENTLIST_2nd(evl));
+	    ch = kgetch(sp, win->_notimeout EVENTLIST_2nd(evl));
 	    if (ch == KEY_MOUSE) {
 		++runcount;
 		if (sp->_mouse_inline(sp))
@@ -622,7 +634,7 @@ wgetch_events(WINDOW *win, _nc_eventlist * evl)
     int code;
     int value;
 
-    T((T_CALLED("wgetch_events(%p,%p)"), win, evl));
+    T((T_CALLED("wgetch_events(%p,%p)"), (void *) win, (void *) evl));
     code = _nc_wgetch(win,
 		      &value,
 		      _nc_use_meta(win)
@@ -665,11 +677,11 @@ wgetch(WINDOW *win)
 */
 
 static int
-kgetch(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl))
+kgetch(SCREEN *sp, bool forever EVENTLIST_2nd(_nc_eventlist * evl))
 {
     TRIES *ptr;
     int ch = 0;
-    int timeleft = GetEscdelay(sp);
+    int timeleft = forever ? 9999999 : GetEscdelay(sp);
 
     TR(TRACE_IEVENT, ("kgetch() called"));
 
diff --git a/ncurses/base/lib_getstr.c b/ncurses/base/lib_getstr.c
index 0e446349ca17..fc18e40fcaa4 100644
--- a/ncurses/base/lib_getstr.c
+++ b/ncurses/base/lib_getstr.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2011 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2017,2018 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -40,7 +40,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_getstr.c,v 1.30 2011/10/22 16:31:35 tom Exp $")
+MODULE_ID("$Id: lib_getstr.c,v 1.33 2018/09/01 20:18:09 tom Exp $")
 
 /*
  * This wipes out the last character, no matter whether it was a tab, control
@@ -85,9 +85,11 @@ wgetnstr_events(WINDOW *win,
 
     T((T_CALLED("wgetnstr(%p,%p,%d)"), (void *) win, (void *) str, maxlen));
 
-    if (!win)
+    if (!win || !str)
 	returnCode(ERR);
 
+    maxlen = _nc_getstr_limit(maxlen);
+
     NCURSES_SP_NAME(_nc_get_tty_mode) (NCURSES_SP_ARGx &buf);
 
     oldnl = sp->_nl;
@@ -142,7 +144,7 @@ wgetnstr_events(WINDOW *win,
 		str = WipeOut(win, y, x, oldstr, str, oldecho);
 	    }
 	} else if (ch >= KEY_MIN
-		   || (maxlen >= 0 && str - oldstr >= maxlen)) {
+		   || (str - oldstr >= maxlen)) {
 	    NCURSES_SP_NAME(beep) (NCURSES_SP_ARG);
 	} else {
 	    *str++ = (char) ch;
diff --git a/ncurses/base/lib_hline.c b/ncurses/base/lib_hline.c
index 1f0380830ddc..0fac51de74fb 100644
--- a/ncurses/base/lib_hline.c
+++ b/ncurses/base/lib_hline.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2016,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -29,6 +29,8 @@
 /****************************************************************************
  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
+ *     and: Thomas E. Dickey                        1996-on                 *
+ *     and: Sven Verdoolaege                        2001                    *
  ****************************************************************************/
 
 /*
@@ -40,23 +42,21 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_hline.c,v 1.13 2010/12/19 01:48:39 tom Exp $")
+MODULE_ID("$Id: lib_hline.c,v 1.15 2017/10/28 19:57:42 tom Exp $")
 
 NCURSES_EXPORT(int)
 whline(WINDOW *win, chtype ch, int n)
 {
     int code = ERR;
-    int start;
-    int end;
 
     T((T_CALLED("whline(%p,%s,%d)"), (void *) win, _tracechtype(ch), n));
 
     if (win) {
 	struct ldat *line = &(win->_line[win->_cury]);
 	NCURSES_CH_T wch;
+	int start = win->_curx;
+	int end = start + n - 1;
 
-	start = win->_curx;
-	end = start + n - 1;
 	if (end > win->_maxx)
 	    end = win->_maxx;
 
@@ -68,6 +68,14 @@ whline(WINDOW *win, chtype ch, int n)
 	    SetChar2(wch, ch);
 	wch = _nc_render(win, wch);
 
+#if USE_WIDEC_SUPPORT
+	if (start > 0 && isWidecExt(line->text[start])) {
+	    SetChar2(line->text[start - 1], ' ');
+	}
+	if (end < win->_maxx && isWidecExt(line->text[end + 1])) {
+	    SetChar2(line->text[end + 1], ' ');
+	}
+#endif
 	while (end >= start) {
 	    line->text[end] = wch;
 	    end--;
diff --git a/ncurses/base/lib_inchstr.c b/ncurses/base/lib_inchstr.c
index aebb6d625d5c..bf30e3ce2663 100644
--- a/ncurses/base/lib_inchstr.c
+++ b/ncurses/base/lib_inchstr.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2010,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -41,7 +41,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_inchstr.c,v 1.12 2010/12/20 01:37:41 tom Exp $")
+MODULE_ID("$Id: lib_inchstr.c,v 1.16 2017/04/30 00:10:25 tom Exp $")
 
 NCURSES_EXPORT(int)
 winchnstr(WINDOW *win, chtype *str, int n)
@@ -50,16 +50,19 @@ winchnstr(WINDOW *win, chtype *str, int n)
 
     T((T_CALLED("winchnstr(%p,%p,%d)"), (void *) win, (void *) str, n));
 
-    if (!str)
-	returnCode(0);
+    if (!win || !str) {
+	i = ERR;
+    } else {
+	int row = win->_cury;
+	int col = win->_curx;
+	NCURSES_CH_T *text = win->_line[row].text;
 
-    if (win) {
-	for (; (n < 0 || (i < n)) && (win->_curx + i <= win->_maxx); i++)
-	    str[i] =
-		(chtype) CharOf(win->_line[win->_cury].text[win->_curx + i]) |
-		AttrOf(win->_line[win->_cury].text[win->_curx + i]);
+	for (; (n < 0 || (i < n)) && (col + i <= win->_maxx); i++) {
+	    str[i] = (((chtype) CharOf(text[col + i]) & A_CHARTEXT) |
+		      AttrOf(text[col + i]));
+	}
+	str[i] = (chtype) 0;
     }
-    str[i] = (chtype) 0;
 
     returnCode(i);
 }
diff --git a/ncurses/base/lib_initscr.c b/ncurses/base/lib_initscr.c
index 334682fab71d..60f5e4d0d393 100644
--- a/ncurses/base/lib_initscr.c
+++ b/ncurses/base/lib_initscr.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2008,2009 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2017,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -29,7 +29,7 @@
 /****************************************************************************
  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
- *     and: Thomas E. Dickey                        1996-2003               *
+ *     and: Thomas E. Dickey                        1996-on                 *
  ****************************************************************************/
 
 /*
@@ -45,15 +45,13 @@
 #include <sys/termio.h>		/* needed for ISC */
 #endif
 
-MODULE_ID("$Id: lib_initscr.c,v 1.39 2009/02/14 20:55:49 tom Exp $")
+MODULE_ID("$Id: lib_initscr.c,v 1.44 2019/06/22 00:02:01 tom Exp $")
 
 NCURSES_EXPORT(WINDOW *)
 initscr(void)
 {
     WINDOW *result;
 
-    NCURSES_CONST char *name;
-
     START_TRACE();
     T((T_CALLED("initscr()")));
 
@@ -62,11 +60,19 @@ initscr(void)
 
     /* Portable applications must not call initscr() more than once */
     if (!_nc_globals.init_screen) {
+	const char *env;
+	char *name;
+
 	_nc_globals.init_screen = TRUE;
 
-	if ((name = getenv("TERM")) == 0
-	    || *name == '\0')
-	    name = "unknown";
+	if ((env = getenv("TERM")) == 0
+	    || *env == '\0') {
+	    env = "unknown";
+	}
+	if ((name = strdup(env)) == NULL) {
+	    fprintf(stderr, "Error opening allocating $TERM.\n");
+	    ExitProgram(EXIT_FAILURE);
+	}
 #ifdef __CYGWIN__
 	/*
 	 * 2002/9/21
@@ -75,9 +81,9 @@ initscr(void)
 	 * core when attempting to write to stdout.  Opening /dev/tty
 	 * explicitly seems to fix the problem.
 	 */
-	if (isatty(fileno(stdout))) {
+	if (NC_ISATTY(fileno(stdout))) {
 	    FILE *fp = fopen("/dev/tty", "w");
-	    if (fp != 0 && isatty(fileno(fp))) {
+	    if (fp != 0 && NC_ISATTY(fileno(fp))) {
 		fclose(stdout);
 		dup2(fileno(fp), STDOUT_FILENO);
 		stdout = fdopen(STDOUT_FILENO, "w");
@@ -86,7 +92,7 @@ initscr(void)
 #endif
 	if (newterm(name, stdout, stdin) == 0) {
 	    fprintf(stderr, "Error opening terminal: %s.\n", name);
-	    exit(EXIT_FAILURE);
+	    ExitProgram(EXIT_FAILURE);
 	}
 
 	/* def_shell_mode - done in newterm/_nc_setupscreen */
@@ -95,6 +101,7 @@ initscr(void)
 #else
 	def_prog_mode();
 #endif
+	free(name);
     }
     result = stdscr;
     _nc_unlock_global(curses);
diff --git a/ncurses/base/lib_insch.c b/ncurses/base/lib_insch.c
index 32eaed739443..1ec70e3af83d 100644
--- a/ncurses/base/lib_insch.c
+++ b/ncurses/base/lib_insch.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2013,2016 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -43,7 +43,7 @@
 #include <curses.priv.h>
 #include <ctype.h>
 
-MODULE_ID("$Id: lib_insch.c,v 1.35 2013/05/18 21:58:56 tom Exp $")
+MODULE_ID("$Id: lib_insch.c,v 1.36 2016/05/28 23:11:26 tom Exp $")
 
 /*
  * Insert the given character, updating the current location to simplify
@@ -56,7 +56,6 @@ _nc_insert_ch(SCREEN *sp, WINDOW *win, chtype ch)
     int ch8 = (int) ChCharOf(ch);
     NCURSES_CH_T wch;
     int count;
-    NCURSES_CONST char *s;
     int tabsize = (
 #if USE_REENTRANT
 		      sp->_TABSIZE
@@ -102,6 +101,7 @@ _nc_insert_ch(SCREEN *sp, WINDOW *win, chtype ch)
 		win->_curx++;
 	    }
 	} else if (iscntrl(ch8)) {
+	    NCURSES_CONST char *s;
 	    s = NCURSES_SP_NAME(unctrl) (NCURSES_SP_ARGx (chtype) ch8);
 	    while (*s != '\0') {
 		code = _nc_insert_ch(sp, win, ChAttrOf(ch) | UChar(*s));
@@ -121,6 +121,7 @@ _nc_insert_ch(SCREEN *sp, WINDOW *win, chtype ch)
 	    if (count > 0) {
 		code = _nc_insert_wch(win, &wch);
 	    } else if (count == -1) {
+		NCURSES_CONST char *s;
 		/* handle EILSEQ */
 		s = NCURSES_SP_NAME(unctrl) (NCURSES_SP_ARGx (chtype) ch8);
 		if (strlen(s) > 1) {
@@ -145,15 +146,13 @@ _nc_insert_ch(SCREEN *sp, WINDOW *win, chtype ch)
 NCURSES_EXPORT(int)
 winsch(WINDOW *win, chtype c)
 {
-    NCURSES_SIZE_T oy;
-    NCURSES_SIZE_T ox;
     int code = ERR;
 
     T((T_CALLED("winsch(%p, %s)"), (void *) win, _tracechtype(c)));
 
     if (win != 0) {
-	oy = win->_cury;
-	ox = win->_curx;
+	NCURSES_SIZE_T oy = win->_cury;
+	NCURSES_SIZE_T ox = win->_curx;
 
 	code = _nc_insert_ch(_nc_screen_of(win), win, c);
 
diff --git a/ncurses/base/lib_insnstr.c b/ncurses/base/lib_insnstr.c
index ce03e64be002..8ee26a8091c1 100644
--- a/ncurses/base/lib_insnstr.c
+++ b/ncurses/base/lib_insnstr.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2004,2009 Free Software Foundation, Inc.                   *
+ * Copyright (c) 2004-2016,2018 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -40,31 +40,55 @@
 #include <curses.priv.h>
 #include <ctype.h>
 
-MODULE_ID("$Id: lib_insnstr.c,v 1.3 2009/10/24 22:04:35 tom Exp $")
+MODULE_ID("$Id: lib_insnstr.c,v 1.6 2018/03/10 20:13:59 Gyorgy.Jeney Exp $")
 
 NCURSES_EXPORT(int)
 winsnstr(WINDOW *win, const char *s, int n)
 {
     int code = ERR;
-    NCURSES_SIZE_T oy;
-    NCURSES_SIZE_T ox;
     const unsigned char *str = (const unsigned char *) s;
-    const unsigned char *cp;
 
     T((T_CALLED("winsnstr(%p,%s,%d)"), (void *) win, _nc_visbufn(s, n), n));
 
     if (win != 0 && str != 0) {
 	SCREEN *sp = _nc_screen_of(win);
+#if USE_WIDEC_SUPPORT
+	/*
+	 * If the output contains "wide" (multibyte) characters, we will not
+	 * really know the width of a character until we get the last byte
+	 * of the character.  Since the preceding byte(s) may use more columns
+	 * on the screen than the final character, it is best to route the
+	 * call to the wins_nwstr() function.
+	 */
+	if (sp->_screen_unicode) {
+	    size_t nn = (n > 0) ? (size_t) n : strlen(s);
+	    wchar_t *buffer = typeMalloc(wchar_t, nn + 1);
+	    if (buffer != 0) {
+		mbstate_t state;
+		size_t n3;
+		init_mb(state);
+		n3 = mbstowcs(buffer, s, nn);
+		if (n3 != (size_t) (-1)) {
+		    code = wins_nwstr(win, buffer, (int) n3);
+		}
+		free(buffer);
+	    }
+	}
+	if (code == ERR)
+#endif
+	{
+	    NCURSES_SIZE_T oy = win->_cury;
+	    NCURSES_SIZE_T ox = win->_curx;
+	    const unsigned char *cp;
 
-	oy = win->_cury;
-	ox = win->_curx;
-	for (cp = str; *cp && (n <= 0 || (cp - str) < n); cp++) {
-	    _nc_insert_ch(sp, win, (chtype) UChar(*cp));
+	    for (cp = str; (n <= 0 || (cp - str) < n) && *cp; cp++) {
+		_nc_insert_ch(sp, win, (chtype) UChar(*cp));
+	    }
+	    win->_curx = ox;
+	    win->_cury = oy;
+	    _nc_synchook(win);
+	    code = OK;
 	}
-	win->_curx = ox;
-	win->_cury = oy;
-	_nc_synchook(win);
-	code = OK;
     }
     returnCode(code);
 }
diff --git a/ncurses/base/lib_instr.c b/ncurses/base/lib_instr.c
index f708ecc51e4a..dbd2a020ac61 100644
--- a/ncurses/base/lib_instr.c
+++ b/ncurses/base/lib_instr.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2013,2014 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2016,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -41,41 +41,44 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_instr.c,v 1.21 2014/02/01 22:09:27 tom Exp $")
+MODULE_ID("$Id: lib_instr.c,v 1.23 2017/04/29 21:16:20 tom Exp $")
 
 NCURSES_EXPORT(int)
 winnstr(WINDOW *win, char *str, int n)
 {
-    int i = 0, row, col;
+    int i = 0;
 
     T((T_CALLED("winnstr(%p,%p,%d)"), (void *) win, str, n));
 
-    if (!str)
-	returnCode(0);
-
-    if (win) {
-	getyx(win, row, col);
+    if (!win || !str) {
+	i = ERR;
+    } else {
+	int row = win->_cury;
+	int col = win->_curx;
+	NCURSES_CH_T *text = win->_line[row].text;
 
 	if (n < 0)
-	    n = win->_maxx - win->_curx + 1;
+	    n = win->_maxx - col + 1;
 
 	for (; i < n;) {
 #if USE_WIDEC_SUPPORT
-	    cchar_t *cell = &(win->_line[row].text[col]);
-	    wchar_t *wch;
+	    cchar_t *cell = &(text[col]);
 	    attr_t attrs;
 	    NCURSES_PAIRS_T pair;
-	    int n2;
-	    bool done = FALSE;
 	    mbstate_t state;
-	    size_t i3, n3;
 	    char *tmp;
 
 	    if (!isWidecExt(*cell)) {
+		wchar_t *wch;
+		int n2;
+
 		n2 = getcchar(cell, 0, 0, 0, 0);
 		if (n2 > 0
 		    && (wch = typeCalloc(wchar_t, (unsigned) n2 + 1)) != 0) {
+		    bool done = FALSE;
+
 		    if (getcchar(cell, wch, &attrs, &pair, 0) == OK) {
+			size_t n3;
 
 			init_mb(state);
 			n3 = wcstombs(0, wch, (size_t) 0);
@@ -89,6 +92,8 @@ winnstr(WINDOW *win, char *str, int n)
 			    } else if ((tmp = typeCalloc(char, need)) == 0) {
 				done = TRUE;
 			    } else {
+				size_t i3;
+
 				init_mb(state);
 				wcstombs(tmp, wch, n3);
 				for (i3 = 0; i3 < n3; ++i3)
@@ -103,14 +108,14 @@ winnstr(WINDOW *win, char *str, int n)
 		}
 	    }
 #else
-	    str[i++] = (char) CharOf(win->_line[row].text[col]);
+	    str[i++] = (char) CharOf(text[col]);
 #endif
 	    if (++col > win->_maxx) {
 		break;
 	    }
 	}
+	str[i] = '\0';		/* SVr4 does not seem to count the null */
     }
-    str[i] = '\0';		/* SVr4 does not seem to count the null */
     T(("winnstr returns %s", _nc_visbuf(str)));
     returnCode(i);
 }
diff --git a/ncurses/base/lib_isendwin.c b/ncurses/base/lib_isendwin.c
index 923e35bf122f..d8507fa35cfa 100644
--- a/ncurses/base/lib_isendwin.c
+++ b/ncurses/base/lib_isendwin.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2000,2009 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2009,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -42,14 +42,14 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_isendwin.c,v 1.7 2009/02/15 00:36:24 tom Exp $")
+MODULE_ID("$Id: lib_isendwin.c,v 1.8 2017/07/22 23:29:49 tom Exp $")
 
 NCURSES_EXPORT(bool)
 NCURSES_SP_NAME(isendwin) (NCURSES_SP_DCL0)
 {
     if (SP_PARM == NULL)
 	return FALSE;
-    return SP_PARM->_endwin;
+    return (SP_PARM->_endwin == ewSuspend);
 }
 
 #if NCURSES_SP_FUNCS
diff --git a/ncurses/base/lib_mouse.c b/ncurses/base/lib_mouse.c
index b0e0f613ebc3..34723f08941a 100644
--- a/ncurses/base/lib_mouse.c
+++ b/ncurses/base/lib_mouse.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -84,7 +84,7 @@
 #define CUR SP_TERMTYPE
 #endif
 
-MODULE_ID("$Id: lib_mouse.c,v 1.141 2013/09/21 19:09:19 tom Exp $")
+MODULE_ID("$Id: lib_mouse.c,v 1.183 2019/08/10 17:11:50 tom Exp $")
 
 #include <tic.h>
 
@@ -225,7 +225,7 @@ write_event(SCREEN *sp, int down, int button, int x, int y)
     char buf[6];
     unsigned long ignore;
 
-    strcpy(buf, "\033[M");	/* should be the same as key_mouse */
+    _nc_STRCPY(buf, "\033[M", sizeof(buf));	/* should be the same as key_mouse */
     buf[3] = ' ' + (button - 1) + (down ? 0 : 0x40);
     buf[4] = ' ' + x - LEFT_COL + 1;
     buf[5] = ' ' + y - TOP_ROW + 1;
@@ -376,9 +376,46 @@ static void
 init_xterm_mouse(SCREEN *sp)
 {
     sp->_mouse_type = M_XTERM;
+    sp->_mouse_format = MF_X10;
     sp->_mouse_xtermcap = tigetstr("XM");
-    if (!VALID_STRING(sp->_mouse_xtermcap))
+    if (VALID_STRING(sp->_mouse_xtermcap)) {
+	char *code = strstr(sp->_mouse_xtermcap, "[?");
+	if (code != 0) {
+	    code += 2;
+	    while ((*code >= '0') && (*code <= '9')) {
+		char *next = code;
+		while ((*next >= '0') && (*next <= '9')) {
+		    ++next;
+		}
+		if (!strncmp(code, "1006", (size_t) (next - code))) {
+		    sp->_mouse_format = MF_SGR1006;
+		}
+#ifdef EXP_XTERM_1005
+		if (!strncmp(code, "1005", (size_t) (next - code))) {
+		    sp->_mouse_format = MF_XTERM_1005;
+		}
+#endif
+		if (*next == ';') {
+		    while (*next == ';') {
+			++next;
+		    }
+		    code = next;
+		} else {
+		    break;
+		}
+	    }
+	}
+    } else {
+	int code = tigetnum("XM");
+	switch (code) {
+	case 1006:
+	    break;
+	default:
+	    code = 1000;
+	    break;
+	}
 	sp->_mouse_xtermcap = "\033[?1000%?%p1%{1}%=%th%el%;";
+    }
 }
 #endif
 
@@ -395,22 +432,22 @@ enable_xterm_mouse(SCREEN *sp, int enable)
 
 #if USE_GPM_SUPPORT
 static bool
-allow_gpm_mouse(SCREEN *sp)
+allow_gpm_mouse(SCREEN *sp GCC_UNUSED)
 {
     bool result = FALSE;
 
 #if USE_WEAK_SYMBOLS
     /* Danger Robinson: do not use dlopen for libgpm if already loaded */
-    if ((Gpm_Wgetch)) {
+    if ((Gpm_Wgetch) != 0) {
 	if (!sp->_mouse_gpm_loaded) {
 	    T(("GPM library was already dlopen'd, not by us"));
 	}
     } else
 #endif
 	/* GPM does printf's without checking if stdout is a terminal */
-    if (isatty(fileno(stdout))) {
-	char *list = getenv("NCURSES_GPM_TERMS");
-	char *env = getenv("TERM");
+    if (NC_ISATTY(fileno(stdout))) {
+	const char *list = getenv("NCURSES_GPM_TERMS");
+	const char *env = getenv("TERM");
 	if (list != 0) {
 	    if (env != 0) {
 		result = _nc_name_match(list, env, "|:");
@@ -449,10 +486,17 @@ load_gpm_library(SCREEN *sp)
 {
     sp->_mouse_gpm_found = FALSE;
     if ((sp->_dlopen_gpm = dlopen(LIBGPM_SONAME, my_RTLD)) != 0) {
+#if (defined(__GNUC__) && (__GNUC__ >= 5)) || defined(__clang__)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wpedantic"
+#endif
 	if (GET_DLSYM(gpm_fd) == 0 ||
 	    GET_DLSYM(Gpm_Open) == 0 ||
 	    GET_DLSYM(Gpm_Close) == 0 ||
 	    GET_DLSYM(Gpm_GetEvent) == 0) {
+#if (defined(__GNUC__) && (__GNUC__ >= 5)) || defined(__clang__)
+#pragma GCC diagnostic pop
+#endif
 	    T(("GPM initialization failed: %s", dlerror()));
 	    unload_gpm_library(sp);
 	} else {
@@ -560,8 +604,8 @@ initialize_mousetype(SCREEN *sp)
     /* OS/2 VIO */
 #if USE_EMX_MOUSE
     if (!sp->_emxmouse_thread
-	&& strstr(TerminalOf(sp)->type.term_names, "xterm") == 0
-	&& key_mouse) {
+	&& strstr(SP_TERMTYPE term_names, "xterm") == 0
+	&& NonEmpty(key_mouse)) {
 	int handles[2];
 
 	if (pipe(handles) < 0) {
@@ -571,7 +615,7 @@ initialize_mousetype(SCREEN *sp)
 	    int rc;
 
 	    if (!sp->_emxmouse_buttons[0]) {
-		char *s = getenv("MOUSE_BUTTONS_123");
+		const char *s = getenv("MOUSE_BUTTONS_123");
 
 		sp->_emxmouse_buttons[0] = 1;
 		if (s && strlen(s) >= 3) {
@@ -604,13 +648,14 @@ initialize_mousetype(SCREEN *sp)
 
 #if USE_SYSMOUSE
     {
+	static char dev_tty[] = "/dev/tty";
 	struct mouse_info the_mouse;
 	char *the_device = 0;
 
-	if (isatty(sp->_ifd))
+	if (NC_ISATTY(sp->_ifd))
 	    the_device = ttyname(sp->_ifd);
 	if (the_device == 0)
-	    the_device = "/dev/tty";
+	    the_device = dev_tty;
 
 	sp->_mouse_fd = open(the_device, O_RDWR);
 
@@ -668,15 +713,12 @@ initialize_mousetype(SCREEN *sp)
 #endif /* USE_SYSMOUSE */
 
 #ifdef USE_TERM_DRIVER
-    CallDriver(sp, initmouse);
+    CallDriver(sp, td_initmouse);
 #else
     /* we know how to recognize mouse events under "xterm" */
-    if (key_mouse != 0) {
-	if (!strcmp(key_mouse, xterm_kmous)
-	    || strstr(TerminalOf(sp)->type.term_names, "xterm") != 0) {
-	    init_xterm_mouse(sp);
-	}
-    } else if (strstr(TerminalOf(sp)->type.term_names, "xterm") != 0) {
+    if (NonEmpty(key_mouse)) {
+	init_xterm_mouse(sp);
+    } else if (strstr(SP_TERMTYPE term_names, "xterm") != 0) {
 	if (_nc_add_to_try(&(sp->_keytry), xterm_kmous, KEY_MOUSE) == OK)
 	    init_xterm_mouse(sp);
     }
@@ -690,10 +732,11 @@ _nc_mouse_init(SCREEN *sp)
 /* initialize the mouse */
 {
     bool result = FALSE;
-    int i;
 
     if (sp != 0) {
 	if (!sp->_mouse_initialized) {
+	    int i;
+
 	    sp->_mouse_initialized = TRUE;
 
 	    TR(MY_TRACE, ("_nc_mouse_init() called"));
@@ -846,173 +889,431 @@ _nc_mouse_event(SCREEN *sp)
     return result;		/* true if we found an event */
 }
 
+#if USE_EMX_MOUSE
+#define PRESS_POSITION(n) \
+    do { \
+	    eventp->bstate = MASK_PRESS(n); \
+	    sp->_mouse_bstate |= MASK_PRESS(n); \
+	    if (button & 0x40) { \
+		    eventp->bstate = MASK_RELEASE(n); \
+		    sp->_mouse_bstate &= ~MASK_PRESS(n); \
+	    } \
+    } while (0)
+#else
+#define PRESS_POSITION(n) \
+    do { \
+	    eventp->bstate = (mmask_t) ((sp->_mouse_bstate & MASK_PRESS(n)) \
+				    ? REPORT_MOUSE_POSITION \
+				    : MASK_PRESS(n)); \
+	    sp->_mouse_bstate |= MASK_PRESS(n); \
+    } while (0)
+#endif
+
 static bool
-_nc_mouse_inline(SCREEN *sp)
-/* mouse report received in the keyboard stream -- parse its info */
+handle_wheel(SCREEN *sp, MEVENT * eventp, int button, int wheel)
 {
-    int b;
-    bool result = FALSE;
-    MEVENT *eventp = sp->_mouse_eventp;
+    bool result = TRUE;
 
-    TR(MY_TRACE, ("_nc_mouse_inline() called"));
+    switch (button & 3) {
+    case 0:
+	if (wheel) {
+	    eventp->bstate = MASK_PRESS(4);
+	    /* Do not record in sp->_mouse_bstate; there will be no
+	     * corresponding release event.
+	     */
+	} else {
+	    PRESS_POSITION(1);
+	}
+	break;
+    case 1:
+	if (wheel) {
+#if NCURSES_MOUSE_VERSION == 2
+	    eventp->bstate = MASK_PRESS(5);
+	    /* See comment above for button 4 */
+#else
+	    /* Ignore this event as it is not a true press of the button */
+	    eventp->bstate = REPORT_MOUSE_POSITION;
+#endif
+	} else {
+	    PRESS_POSITION(2);
+	}
+	break;
+    case 2:
+	PRESS_POSITION(3);
+	break;
+    default:
+	result = FALSE;
+	break;
+    }
+    return result;
+}
 
-    if (sp->_mouse_type == M_XTERM) {
-	unsigned char kbuf[4];
-	size_t grabbed;
-	int res;
+static bool
+decode_X10_bstate(SCREEN *sp, MEVENT * eventp, unsigned intro)
+{
+    bool result;
+
+    eventp->bstate = 0;
 
-	/* This code requires that your xterm entry contain the kmous
-	 * capability and that it be set to the \E[M documented in the
-	 * Xterm Control Sequences reference.  This is how we
-	 * arrange for mouse events to be reported via a KEY_MOUSE
-	 * return value from wgetch().  After this value is received,
-	 * _nc_mouse_inline() gets called and is immediately
-	 * responsible for parsing the mouse status information
-	 * following the prefix.
-	 *
-	 * The following quotes from the ctrlseqs.ms document in the
-	 * X distribution, describing the X mouse tracking feature:
-	 *
-	 * Parameters for all mouse tracking escape sequences
-	 * generated by xterm encode numeric parameters in a single
-	 * character as value+040.  For example, !  is 1.
-	 *
-	 * On button press or release, xterm sends ESC [ M CbCxCy.
-	 * The low two bits of Cb encode button information: 0=MB1
-	 * pressed, 1=MB2 pressed, 2=MB3 pressed, 3=release.  The
-	 * upper bits encode what modifiers were down when the
-	 * button was pressed and are added together.  4=Shift,
-	 * 8=Meta, 16=Control.  Cx and Cy are the x and y coordinates
-	 * of the mouse event.  The upper left corner is (1,1).
-	 *
-	 * (End quote)  By the time we get here, we've eaten the
-	 * key prefix.  FYI, the loop below is necessary because
-	 * mouse click info isn't guaranteed to present as a
-	 * single clist item.
-	 *
-	 * Wheel mice may return buttons 4 and 5 when the wheel is turned.
-	 * We encode those as button presses.
+    if (!handle_wheel(sp, eventp, (int) intro, (intro & 96) == 96)) {
+
+	/*
+	 * Release events aren't reported for individual buttons, just for
+	 * the button set as a whole.  However, because there are normally
+	 * no mouse events under xterm that intervene between press and
+	 * release, we can infer the button actually released by looking at
+	 * the previous event.
 	 */
+	if (sp->_mouse_bstate & BUTTON_PRESSED) {
+	    int b;
+
+	    eventp->bstate = BUTTON_RELEASED;
+	    for (b = 1; b <= MAX_BUTTONS; ++b) {
+		if (!(sp->_mouse_bstate & MASK_PRESS(b)))
+		    eventp->bstate &= ~MASK_RELEASE(b);
+	    }
+	    sp->_mouse_bstate = 0;
+	} else {
+	    /*
+	     * xterm will return a stream of release-events to let the
+	     * application know where the mouse is going, if private mode
+	     * 1002 or 1003 is enabled.
+	     */
+	    eventp->bstate = REPORT_MOUSE_POSITION;
+	}
+    }
+
+    if (intro & 4) {
+	eventp->bstate |= BUTTON_SHIFT;
+    }
+    if (intro & 8) {
+	eventp->bstate |= BUTTON_ALT;
+    }
+    if (intro & 16) {
+	eventp->bstate |= BUTTON_CTRL;
+    }
+    result = (eventp->bstate & REPORT_MOUSE_POSITION) ? TRUE : FALSE;
+    return result;
+}
+
+/* This code requires that your xterm entry contain the kmous capability and
+ * that it be set to the \E[M documented in the Xterm Control Sequences
+ * reference.  This is how we arrange for mouse events to be reported via a
+ * KEY_MOUSE return value from wgetch().  After this value is received,
+ * _nc_mouse_inline() gets called and is immediately responsible for parsing
+ * the mouse status information following the prefix.
+ *
+ * The following quotes from the ctlseqs.ms document in the XTerm distribution,
+ * describing the mouse tracking feature:
+ *
+ * Parameters for all mouse tracking escape sequences generated by xterm encode
+ * numeric parameters in a single character as value+040.  For example, ! is
+ * 1.
+ *
+ * On button press or release, xterm sends ESC [ M CbCxCy.  The low two bits of
+ * Cb encode button information:  0=MB1 pressed, 1=MB2 pressed, 2=MB3 pressed,
+ * 3=release.  The upper bits encode what modifiers were down when the button
+ * was pressed and are added together.  4=Shift, 8=Meta, 16=Control.  Cx and Cy
+ * are the x and y coordinates of the mouse event.  The upper left corner is
+ * (1,1).
+ *
+ * (End quote) By the time we get here, we've eaten the key prefix.  FYI, the
+ * loop below is necessary because mouse click info isn't guaranteed to present
+ * as a single clist item.
+ *
+ * Wheel mice may return buttons 4 and 5 when the wheel is turned.  We encode
+ * those as button presses.
+ */
+static bool
+decode_xterm_X10(SCREEN *sp, MEVENT * eventp)
+{
+#define MAX_KBUF 3
+    unsigned char kbuf[MAX_KBUF + 1];
+    size_t grabbed;
+    int res;
+    bool result;
+
 # if USE_PTHREADS_EINTR
 #  if USE_WEAK_SYMBOLS
-	if ((pthread_self) && (pthread_kill) && (pthread_equal))
+    if ((pthread_self) && (pthread_kill) && (pthread_equal))
 #  endif
-	    _nc_globals.read_thread = pthread_self();
+	_nc_globals.read_thread = pthread_self();
 # endif
-	for (grabbed = 0; grabbed < 3; grabbed += (size_t) res) {
+    for (grabbed = 0; grabbed < MAX_KBUF; grabbed += (size_t) res) {
 
-	    /* For VIO mouse we add extra bit 64 to disambiguate button-up. */
+	/* For VIO mouse we add extra bit 64 to disambiguate button-up. */
+	res = (int) read(
 #if USE_EMX_MOUSE
-	    res = (int) read(M_FD(sp) >= 0 ? M_FD(sp) : sp->_ifd, &kbuf, 3);
+			    (M_FD(sp) >= 0) ? M_FD(sp) : sp->_ifd,
 #else
-	    res = (int) read(sp->_ifd, kbuf + grabbed, 3 - grabbed);
+			    sp->_ifd,
 #endif
-	    if (res == -1)
-		break;
-	}
+			    kbuf + grabbed, (size_t) (MAX_KBUF - (int) grabbed));
+	if (res == -1)
+	    break;
+    }
 #if USE_PTHREADS_EINTR
-	_nc_globals.read_thread = 0;
+    _nc_globals.read_thread = 0;
 #endif
-	kbuf[3] = '\0';
+    kbuf[MAX_KBUF] = '\0';
 
-	TR(TRACE_IEVENT,
-	   ("_nc_mouse_inline sees the following xterm data: '%s'", kbuf));
+    TR(TRACE_IEVENT,
+       ("_nc_mouse_inline sees the following xterm data: '%s'", kbuf));
 
-	/* there's only one mouse... */
-	eventp->id = NORMAL_EVENT;
+    /* there's only one mouse... */
+    eventp->id = NORMAL_EVENT;
+
+    result = decode_X10_bstate(sp, eventp, kbuf[0]);
+
+    eventp->x = (kbuf[1] - ' ') - 1;
+    eventp->y = (kbuf[2] - ' ') - 1;
+
+    return result;
+}
 
-	/* processing code goes here */
-	eventp->bstate = 0;
+#ifdef EXP_XTERM_1005
+/*
+ * This is identical to X10/X11 responses except that there are two UTF-8
+ * characters storing the ordinates instead of two bytes.
+ */
+static bool
+decode_xterm_1005(SCREEN *sp, MEVENT * eventp)
+{
+    char kbuf[80];
+    size_t grabbed;
+    size_t limit = (sizeof(kbuf) - 1);
+    unsigned coords[2];
+    bool result;
+
+    coords[0] = 0;
+    coords[1] = 0;
+
+# if USE_PTHREADS_EINTR
+#  if USE_WEAK_SYMBOLS
+    if ((pthread_self) && (pthread_kill) && (pthread_equal))
+#  endif
+	_nc_globals.read_thread = pthread_self();
+# endif
+    for (grabbed = 0; grabbed < limit;) {
+	int res;
 
+	res = (int) read(
 #if USE_EMX_MOUSE
-#define PRESS_POSITION(n) \
-	do { \
-		eventp->bstate = MASK_PRESS(n); \
-		sp->_mouse_bstate |= MASK_PRESS(n); \
-		if (kbuf[0] & 0x40) { \
-			eventp->bstate = MASK_RELEASE(n); \
-			sp->_mouse_bstate &= ~MASK_PRESS(n); \
-		} \
-	} while (0)
+			    (M_FD(sp) >= 0) ? M_FD(sp) : sp->_ifd,
 #else
-#define PRESS_POSITION(n) \
-	do { \
-		eventp->bstate = (mmask_t) (sp->_mouse_bstate & MASK_PRESS(n) \
-					? REPORT_MOUSE_POSITION \
-					: MASK_PRESS(n)); \
-		sp->_mouse_bstate |= MASK_PRESS(n); \
-	} while (0)
+			    sp->_ifd,
 #endif
+			    (kbuf + grabbed), (size_t) 1);
+	if (res == -1)
+	    break;
+	grabbed += (size_t) res;
+	if (grabbed > 1) {
+	    size_t check = 1;
+	    int n;
 
-	switch (kbuf[0] & 0x3) {
-	case 0x0:
-	    if ((kbuf[0] & 96) == 96) {
-		eventp->bstate = MASK_PRESS(4);
-		/* Do not record in sp->_mouse_bstate; there will be no
-		 * corresponding release event.
-		 */
-	    } else {
-		PRESS_POSITION(1);
+	    for (n = 0; n < 2; ++n) {
+		int rc;
+
+		if (check >= grabbed)
+		    break;
+		rc = _nc_conv_to_utf32(&coords[n], kbuf + check, (unsigned)
+				       (grabbed - check));
+		if (!rc)
+		    break;
+		check += (size_t) rc;
 	    }
-	    break;
+	    if (n >= 2)
+		break;
+	}
+    }
+#if USE_PTHREADS_EINTR
+    _nc_globals.read_thread = 0;
+#endif
 
-	case 0x1:
-	    if ((kbuf[0] & 96) == 96) {
-#if NCURSES_MOUSE_VERSION == 2
-		eventp->bstate = MASK_PRESS(5);
-		/* See comment above for button 4 */
+    TR(TRACE_IEVENT,
+       ("_nc_mouse_inline sees the following xterm data: %s",
+	_nc_visbufn(kbuf, (int) grabbed)));
+
+    /* there's only one mouse... */
+    eventp->id = NORMAL_EVENT;
+
+    result = decode_X10_bstate(sp, eventp, UChar(kbuf[0]));
+
+    eventp->x = (int) (coords[0] - ' ') - 1;
+    eventp->y = (int) (coords[1] - ' ') - 1;
+
+    return result;
+}
+#endif /* EXP_XTERM_1005 */
+
+/*
+ * ECMA-48 section 5.4
+ */
+#define isInter(c) ((c) >= 0x20 && (c) <= 0x2f)
+#define isParam(c) ((c) >= 0x30 && (c) <= 0x3f)
+#define isFinal(c) ((c) >= 0x40 && (c) <= 0x7e)
+
+#define MAX_PARAMS 9
+
+typedef struct {
+    int nerror;			/* nonzero if there are unexpected chars */
+    int nparam;			/* number of numeric parameters */
+    int params[MAX_PARAMS];
+    int final;			/* the final-character */
+} SGR_DATA;
+
+static bool
+read_SGR(SCREEN *sp, SGR_DATA * result)
+{
+    char kbuf[80];		/* bigger than any possible mouse response */
+    int grabbed = 0;
+    int ch = 0;
+    int now = -1;
+    int marker = 1;
+
+    memset(result, 0, sizeof(*result));
+# if USE_PTHREADS_EINTR
+#  if USE_WEAK_SYMBOLS
+    if ((pthread_self) && (pthread_kill) && (pthread_equal))
+#  endif
+	_nc_globals.read_thread = pthread_self();
+# endif
+
+    do {
+	int res;
+
+	res = (int) read(
+#if USE_EMX_MOUSE
+			    (M_FD(sp) >= 0) ? M_FD(sp) : sp->_ifd,
 #else
-		/* Ignore this event as it is not a true press of the button */
-		eventp->bstate = REPORT_MOUSE_POSITION;
+			    sp->_ifd,
 #endif
-	    } else {
-		PRESS_POSITION(2);
+			    (kbuf + grabbed), (size_t) 1);
+	if (res == -1)
+	    break;
+	if ((grabbed + MAX_KBUF) >= (int) sizeof(kbuf)) {
+	    result->nerror++;
+	    break;
+	}
+	ch = UChar(kbuf[grabbed]);
+	kbuf[grabbed + 1] = 0;
+	switch (ch) {
+	case '0':
+	case '1':
+	case '2':
+	case '3':
+	case '4':
+	case '5':
+	case '6':
+	case '7':
+	case '8':
+	case '9':
+	    if (marker) {
+		++now;
+		result->nparam = (now + 1);
 	    }
+	    marker = 0;
+	    result->params[now] = (result->params[now] * 10) + (ch - '0');
 	    break;
-
-	case 0x2:
-	    PRESS_POSITION(3);
+	case ';':
+	    if (marker) {
+		++now;
+		result->nparam = (now + 1);
+	    }
+	    marker = 1;
 	    break;
-
-	case 0x3:
-	    /*
-	     * Release events aren't reported for individual buttons, just for
-	     * the button set as a whole.  However, because there are normally
-	     * no mouse events under xterm that intervene between press and
-	     * release, we can infer the button actually released by looking at
-	     * the previous event.
-	     */
-	    if (sp->_mouse_bstate & BUTTON_PRESSED) {
-		eventp->bstate = BUTTON_RELEASED;
-		for (b = 1; b <= MAX_BUTTONS; ++b) {
-		    if (!(sp->_mouse_bstate & MASK_PRESS(b)))
-			eventp->bstate &= ~MASK_RELEASE(b);
-		}
-		sp->_mouse_bstate = 0;
-	    } else {
+	default:
+	    if (ch < 32 || ch > 126) {
 		/*
-		 * XFree86 xterm will return a stream of release-events to
-		 * let the application know where the mouse is going, if the
-		 * private mode 1002 or 1003 is enabled.
+		 * Technically other characters could be interspersed in the
+		 * response.  Ignore those for now.
 		 */
-		eventp->bstate = REPORT_MOUSE_POSITION;
+		result->nerror++;
+		continue;
+	    } else if (isFinal(ch)) {
+		if (marker) {
+		    result->nparam++;
+		}
+		result->final = ch;
+	    } else {
+		result->nerror++;
 	    }
 	    break;
 	}
-	result = (eventp->bstate & REPORT_MOUSE_POSITION) ? TRUE : FALSE;
+	++grabbed;
+    } while (!isFinal(ch));
+#if USE_PTHREADS_EINTR
+    _nc_globals.read_thread = 0;
+#endif
 
-	if (kbuf[0] & 4) {
+    kbuf[++grabbed] = 0;
+    TR(TRACE_IEVENT,
+       ("_nc_mouse_inline sees the following xterm data: '%s'", kbuf));
+    return (grabbed > 0) && (result->nerror == 0);
+}
+
+static bool
+decode_xterm_SGR1006(SCREEN *sp, MEVENT * eventp)
+{
+    SGR_DATA data;
+    bool result = FALSE;
+    if (read_SGR(sp, &data)) {
+	int b = data.params[0];
+	int b3 = 1 + (b & 3);
+
+	eventp->id = NORMAL_EVENT;
+	if (data.final == 'M') {
+	    (void) handle_wheel(sp, eventp, b, (b & 64) == 64);
+	} else {
+	    mmask_t pressed = (mmask_t) NCURSES_MOUSE_MASK(b3, NCURSES_BUTTON_PRESSED);
+	    mmask_t release = (mmask_t) NCURSES_MOUSE_MASK(b3, NCURSES_BUTTON_RELEASED);
+	    if (sp->_mouse_bstate & pressed) {
+		eventp->bstate = release;
+		sp->_mouse_bstate &= ~pressed;
+	    } else {
+		eventp->bstate = REPORT_MOUSE_POSITION;
+	    }
+	}
+	if (b & 4) {
 	    eventp->bstate |= BUTTON_SHIFT;
 	}
-	if (kbuf[0] & 8) {
+	if (b & 8) {
 	    eventp->bstate |= BUTTON_ALT;
 	}
-	if (kbuf[0] & 16) {
+	if (b & 16) {
 	    eventp->bstate |= BUTTON_CTRL;
 	}
+	result = (eventp->bstate & REPORT_MOUSE_POSITION) ? TRUE : FALSE;
+	eventp->x = (data.params[1] ? (data.params[1] - 1) : 0);
+	eventp->y = (data.params[2] ? (data.params[2] - 1) : 0);
+    }
+    return result;
+}
+
+static bool
+_nc_mouse_inline(SCREEN *sp)
+/* mouse report received in the keyboard stream -- parse its info */
+{
+    bool result = FALSE;
+    MEVENT *eventp = sp->_mouse_eventp;
+
+    TR(MY_TRACE, ("_nc_mouse_inline() called"));
+
+    if (sp->_mouse_type == M_XTERM) {
+	switch (sp->_mouse_format) {
+	case MF_X10:
+	    result = decode_xterm_X10(sp, eventp);
+	    break;
+	case MF_SGR1006:
+	    result = decode_xterm_SGR1006(sp, eventp);
+	    break;
+#ifdef EXP_XTERM_1005
+	case MF_XTERM_1005:
+	    result = decode_xterm_1005(sp, eventp);
+	    break;
+#endif
+	}
 
-	eventp->x = (kbuf[1] - ' ') - 1;
-	eventp->y = (kbuf[2] - ' ') - 1;
 	TR(MY_TRACE,
 	   ("_nc_mouse_inline: primitive mouse-event %s has slot %ld",
 	    _nc_tracemouse(sp, eventp),
@@ -1020,9 +1321,23 @@ _nc_mouse_inline(SCREEN *sp)
 
 	/* bump the next-free pointer into the circular list */
 	sp->_mouse_eventp = NEXT(eventp);
-#if 0				/* this return would be needed for QNX's mods to lib_getch.c */
-	return (TRUE);
-#endif
+
+	if (!result) {
+	    /* If this event is from a wheel-mouse, treat it like position
+	     * reports and avoid waiting for the release-events which will
+	     * never come.
+	     */
+	    if (eventp->bstate & BUTTON_PRESSED) {
+		int b;
+
+		for (b = 4; b <= MAX_BUTTONS; ++b) {
+		    if ((eventp->bstate & MASK_PRESS(b))) {
+			result = TRUE;
+			break;
+		    }
+		}
+	    }
+	}
     }
 
     return (result);
@@ -1445,11 +1760,14 @@ NCURSES_EXPORT(int)
 NCURSES_SP_NAME(getmouse) (NCURSES_SP_DCLx MEVENT * aevent)
 {
     int result = ERR;
+    MEVENT *eventp;
 
     T((T_CALLED("getmouse(%p,%p)"), (void *) SP_PARM, (void *) aevent));
 
-    if ((aevent != 0) && (SP_PARM != 0) && (SP_PARM->_mouse_type != M_NONE)) {
-	MEVENT *eventp = SP_PARM->_mouse_eventp;
+    if ((aevent != 0) &&
+	(SP_PARM != 0) &&
+	(SP_PARM->_mouse_type != M_NONE) &&
+	(eventp = SP_PARM->_mouse_eventp) != 0) {
 	/* compute the current-event pointer */
 	MEVENT *prev = PREV(eventp);
 
@@ -1498,11 +1816,13 @@ NCURSES_EXPORT(int)
 NCURSES_SP_NAME(ungetmouse) (NCURSES_SP_DCLx MEVENT * aevent)
 {
     int result = ERR;
+    MEVENT *eventp;
 
     T((T_CALLED("ungetmouse(%p,%p)"), (void *) SP_PARM, (void *) aevent));
 
-    if (aevent != 0 && SP_PARM != 0) {
-	MEVENT *eventp = SP_PARM->_mouse_eventp;
+    if (aevent != 0 &&
+	SP_PARM != 0 &&
+	(eventp = SP_PARM->_mouse_eventp) != 0) {
 
 	/* stick the given event in the next-free slot */
 	*eventp = *aevent;
@@ -1530,7 +1850,6 @@ NCURSES_SP_NAME(mousemask) (NCURSES_SP_DCLx mmask_t newmask, mmask_t * oldmask)
 /* set the mouse event mask */
 {
     mmask_t result = 0;
-    int b;
 
     T((T_CALLED("mousemask(%p,%#lx,%p)"),
        (void *) SP_PARM,
@@ -1543,7 +1862,10 @@ NCURSES_SP_NAME(mousemask) (NCURSES_SP_DCLx mmask_t newmask, mmask_t * oldmask)
 
 	if (newmask || SP_PARM->_mouse_initialized) {
 	    _nc_mouse_init(SP_PARM);
+
 	    if (SP_PARM->_mouse_type != M_NONE) {
+		int b;
+
 		result = newmask &
 		    (REPORT_MOUSE_POSITION
 		     | BUTTON_ALT
diff --git a/ncurses/base/lib_newterm.c b/ncurses/base/lib_newterm.c
index 435763d096ea..84963db46f2c 100644
--- a/ncurses/base/lib_newterm.c
+++ b/ncurses/base/lib_newterm.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2017,2018 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -48,7 +48,7 @@
 
 #include <tic.h>
 
-MODULE_ID("$Id: lib_newterm.c,v 1.90 2013/09/28 21:02:56 tom Exp $")
+MODULE_ID("$Id: lib_newterm.c,v 1.101 2018/04/07 20:36:22 tom Exp $")
 
 #ifdef USE_TERM_DRIVER
 #define NumLabels      InfoOf(SP_PARM).numlabels
@@ -76,6 +76,7 @@ _nc_initscr(NCURSES_SP_DCL0)
 
     /* for extended XPG4 conformance requires cbreak() at this point */
     /* (SVr4 curses does this anyway) */
+    T((T_CALLED("_nc_initscr(%p) ->term %p"), (void *) SP_PARM, (void *) term));
     if (NCURSES_SP_NAME(cbreak) (NCURSES_SP_ARG) == OK) {
 	TTY buf;
 
@@ -93,7 +94,7 @@ _nc_initscr(NCURSES_SP_DCL0)
 	if (result == OK)
 	    term->Nttyb = buf;
     }
-    return result;
+    returnCode(result);
 }
 
 /*
@@ -162,20 +163,16 @@ nofilter(void)
 
 NCURSES_EXPORT(SCREEN *)
 NCURSES_SP_NAME(newterm) (NCURSES_SP_DCLx
-			  NCURSES_CONST char *name,
+			  const char *name,
 			  FILE *ofp,
 			  FILE *ifp)
 {
-    int value;
     int errret;
     SCREEN *result = 0;
     SCREEN *current;
     TERMINAL *its_term;
     FILE *_ofp = ofp ? ofp : stdout;
     FILE *_ifp = ifp ? ifp : stdin;
-    int cols;
-    int slk_format;
-    int filter_mode;
     TERMINAL *new_term = 0;
 
     START_TRACE();
@@ -200,11 +197,10 @@ NCURSES_SP_NAME(newterm) (NCURSES_SP_DCLx
     INIT_TERM_DRIVER();
     /* this loads the capability entry, then sets LINES and COLS */
     if (
-#if NCURSES_SP_FUNCS
-	   SP_PARM->_prescreen &&
-#endif
 	   TINFO_SETUP_TERM(&new_term, name,
 			    fileno(_ofp), &errret, FALSE) != ERR) {
+	int slk_format;
+	int filter_mode;
 
 	_nc_set_screen(0);
 #ifdef USE_TERM_DRIVER
@@ -235,6 +231,9 @@ NCURSES_SP_NAME(newterm) (NCURSES_SP_DCLx
 	    _nc_set_screen(current);
 	    result = 0;
 	} else {
+	    int value;
+	    int cols;
+
 #ifdef USE_TERM_DRIVER
 	    TERMINAL_CONTROL_BLOCK *TCB;
 #elif !NCURSES_SP_FUNCS
@@ -268,7 +267,11 @@ NCURSES_SP_NAME(newterm) (NCURSES_SP_DCLx
 
 	    /* allow user to set maximum escape delay from the environment */
 	    if ((value = _nc_getenv_num("ESCDELAY")) >= 0) {
+#if NCURSES_EXT_FUNCS
 		NCURSES_SP_NAME(set_escdelay) (NCURSES_SP_ARGx value);
+#else
+		ESCDELAY = value;
+#endif
 	    }
 
 	    /* if the terminal type has real soft labels, set those up */
@@ -284,7 +287,7 @@ NCURSES_SP_NAME(newterm) (NCURSES_SP_DCLx
 #else
 	    SP_PARM->_use_meta = FALSE;
 #endif
-	    SP_PARM->_endwin = FALSE;
+	    SP_PARM->_endwin = ewInitial;
 #ifndef USE_TERM_DRIVER
 	    /*
 	     * Check whether we can optimize scrolling under dumb terminals in
@@ -306,7 +309,7 @@ NCURSES_SP_NAME(newterm) (NCURSES_SP_DCLx
 
 	    /* compute movement costs so we can do better move optimization */
 #ifdef USE_TERM_DRIVER
-	    TCBOf(SP_PARM)->drv->scinit(SP_PARM);
+	    TCBOf(SP_PARM)->drv->td_scinit(SP_PARM);
 #else /* ! USE_TERM_DRIVER */
 	    /*
 	     * Check for mismatched graphic-rendition capabilities.  Most SVr4
@@ -344,8 +347,14 @@ NCURSES_SP_NAME(newterm) (NCURSES_SP_DCLx
 
 #if NCURSES_SP_FUNCS
 NCURSES_EXPORT(SCREEN *)
-newterm(NCURSES_CONST char *name, FILE *ofp, FILE *ifp)
+newterm(const char *name, FILE *ofp, FILE *ifp)
 {
-    return NCURSES_SP_NAME(newterm) (CURRENT_SCREEN_PRE, name, ofp, ifp);
+    SCREEN *rc;
+    _nc_lock_global(prescreen);
+    START_TRACE();
+    rc = NCURSES_SP_NAME(newterm) (CURRENT_SCREEN_PRE, name, ofp, ifp);
+    _nc_forget_prescr();
+    _nc_unlock_global(prescreen);
+    return rc;
 }
 #endif
diff --git a/ncurses/base/lib_newwin.c b/ncurses/base/lib_newwin.c
index a6c64beaaf4a..5d48107a3003 100644
--- a/ncurses/base/lib_newwin.c
+++ b/ncurses/base/lib_newwin.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2010,2011 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2016,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -43,7 +43,7 @@
 #include <curses.priv.h>
 #include <stddef.h>
 
-MODULE_ID("$Id: lib_newwin.c,v 1.71 2011/05/28 21:32:51 tom Exp $")
+MODULE_ID("$Id: lib_newwin.c,v 1.74 2017/05/13 23:17:29 tom Exp $")
 
 #define window_is(name) ((sp)->_##name == win)
 
@@ -91,8 +91,6 @@ remove_window_from_screen(WINDOW *win)
 NCURSES_EXPORT(int)
 _nc_freewin(WINDOW *win)
 {
-    WINDOWLIST *p, *q;
-    int i;
     int result = ERR;
 #ifdef USE_SP_WINDOWLIST
     SCREEN *sp = _nc_screen_of(win);	/* pretend this is parameter */
@@ -101,17 +99,23 @@ _nc_freewin(WINDOW *win)
     T((T_CALLED("_nc_freewin(%p)"), (void *) win));
 
     if (win != 0) {
+
 	if (_nc_nonsp_try_global(curses) == 0) {
+	    WINDOWLIST *p, *q;
+
 	    q = 0;
-	    for (each_window(SP_PARM, p)) {
+	    for (each_window(sp, p)) {
+
 		if (&(p->win) == win) {
 		    remove_window_from_screen(win);
 		    if (q == 0)
-			WindowList(SP_PARM) = p->next;
+			WindowList(sp) = p->next;
 		    else
 			q->next = p->next;
 
 		    if (!(win->_flags & _SUBWIN)) {
+			int i;
+
 			for (i = 0; i <= win->_maxy; i++)
 			    FreeIfNeeded(win->_line[i].text);
 		    }
@@ -384,18 +388,18 @@ NCURSES_SP_NAME(_nc_makenew) (NCURSES_SP_DCLx
 NCURSES_EXPORT(WINDOW *)
 _nc_curscr_of(SCREEN *sp)
 {
-    return sp == 0 ? 0 : CurScreen(sp);
+    return (sp == 0) ? NULL : CurScreen(sp);
 }
 
 NCURSES_EXPORT(WINDOW *)
 _nc_newscr_of(SCREEN *sp)
 {
-    return sp == 0 ? 0 : NewScreen(sp);
+    return (sp == 0) ? NULL : NewScreen(sp);
 }
 
 NCURSES_EXPORT(WINDOW *)
 _nc_stdscr_of(SCREEN *sp)
 {
-    return sp == 0 ? 0 : StdScreen(sp);
+    return (sp == 0) ? NULL : StdScreen(sp);
 }
 #endif
diff --git a/ncurses/base/lib_overlay.c b/ncurses/base/lib_overlay.c
index a206248a1e74..64356ff1c8c6 100644
--- a/ncurses/base/lib_overlay.c
+++ b/ncurses/base/lib_overlay.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2013,2016 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -40,21 +40,19 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_overlay.c,v 1.31 2013/04/06 23:47:13 tom Exp $")
+MODULE_ID("$Id: lib_overlay.c,v 1.32 2016/05/28 23:11:26 tom Exp $")
 
 static int
 overlap(const WINDOW *const src, WINDOW *const dst, int const flag)
 {
     int rc = ERR;
-    int sx1, sy1, sx2, sy2;
-    int dx1, dy1, dx2, dy2;
-    int sminrow, smincol;
-    int dminrow, dmincol;
-    int dmaxrow, dmaxcol;
 
     T((T_CALLED("overlap(%p,%p,%d)"), (const void *) src, (void *) dst, flag));
 
     if (src != 0 && dst != 0) {
+	int sx1, sy1, sx2, sy2;
+	int dx1, dy1, dx2, dy2;
+
 	_nc_lock_global(curses);
 
 	T(("src : begy %ld, begx %ld, maxy %ld, maxx %ld",
@@ -79,12 +77,12 @@ overlap(const WINDOW *const src, WINDOW *const dst, int const flag)
 	dy2 = dy1 + dst->_maxy;
 
 	if (dx2 >= sx1 && dx1 <= sx2 && dy2 >= sy1 && dy1 <= sy2) {
-	    sminrow = max(sy1, dy1) - sy1;
-	    smincol = max(sx1, dx1) - sx1;
-	    dminrow = max(sy1, dy1) - dy1;
-	    dmincol = max(sx1, dx1) - dx1;
-	    dmaxrow = min(sy2, dy2) - dy1;
-	    dmaxcol = min(sx2, dx2) - dx1;
+	    int sminrow = max(sy1, dy1) - sy1;
+	    int smincol = max(sx1, dx1) - sx1;
+	    int dminrow = max(sy1, dy1) - dy1;
+	    int dmincol = max(sx1, dx1) - dx1;
+	    int dmaxrow = min(sy2, dy2) - dy1;
+	    int dmaxcol = min(sx2, dx2) - dx1;
 
 	    rc = copywin(src, dst,
 			 sminrow, smincol,
@@ -139,10 +137,6 @@ copywin(const WINDOW *src, WINDOW *dst,
 	int over)
 {
     int rc = ERR;
-    int sx, sy, dx, dy;
-    bool touched;
-    attr_t bk;
-    attr_t mask;
 
     T((T_CALLED("copywin(%p, %p, %d, %d, %d, %d, %d, %d, %d)"),
        (const void *) src,
@@ -155,6 +149,9 @@ copywin(const WINDOW *src, WINDOW *dst,
 	&& dst != 0
 	&& dmaxrow >= dminrow
 	&& dmaxcol >= dmincol) {
+	attr_t bk;
+	attr_t mask;
+
 	_nc_lock_global(curses);
 
 	bk = AttrOf(dst->_nc_bkgd);
@@ -163,18 +160,20 @@ copywin(const WINDOW *src, WINDOW *dst,
 	/* make sure rectangle exists in source */
 	if ((sminrow + dmaxrow - dminrow) <= (src->_maxy + 1) &&
 	    (smincol + dmaxcol - dmincol) <= (src->_maxx + 1)) {
-	    bool copied = FALSE;
 
 	    T(("rectangle exists in source"));
 
 	    /* make sure rectangle fits in destination */
 	    if (dmaxrow <= dst->_maxy && dmaxcol <= dst->_maxx) {
+		int sx, sy, dx, dy;
+		bool copied = FALSE;
 
 		T(("rectangle fits in destination"));
 
 		for (dy = dminrow, sy = sminrow;
 		     dy <= dmaxrow;
 		     sy++, dy++) {
+		    bool touched;
 
 		    if (dy < 0 || sy < 0)
 			continue;
diff --git a/ncurses/base/lib_pad.c b/ncurses/base/lib_pad.c
index b87498b500cd..8c7e5af01c9c 100644
--- a/ncurses/base/lib_pad.c
+++ b/ncurses/base/lib_pad.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2010,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -42,7 +42,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_pad.c,v 1.46 2010/04/24 23:50:45 tom Exp $")
+MODULE_ID("$Id: lib_pad.c,v 1.47 2017/10/22 19:57:26 tom Exp $")
 
 NCURSES_EXPORT(WINDOW *)
 NCURSES_SP_NAME(newpad) (NCURSES_SP_DCLx int l, int c)
@@ -188,6 +188,12 @@ pnoutrefresh(WINDOW *win,
 
     T(("pad being refreshed"));
 
+#ifdef TRACE
+    if (USE_TRACEF(TRACE_UPDATE)) {
+	_tracedump("...pad", win);
+	_nc_unlock_global(tracef);
+    }
+#endif /* TRACE */
 #if USE_SCROLL_HINTS
     if (win->_pad._pad_y >= 0) {
 	displaced = pminrow - win->_pad._pad_y
diff --git a/ncurses/base/lib_printw.c b/ncurses/base/lib_printw.c
index 56528f6bc7a7..41bd2f98946e 100644
--- a/ncurses/base/lib_printw.c
+++ b/ncurses/base/lib_printw.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -39,10 +39,10 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_printw.c,v 1.23 2012/09/03 17:55:28 tom Exp $")
+MODULE_ID("$Id: lib_printw.c,v 1.27 2019/01/19 15:46:25 tom Exp $")
 
 NCURSES_EXPORT(int)
-printw(const char *fmt,...)
+printw(const char *fmt, ...)
 {
     va_list argp;
     int code;
@@ -56,14 +56,14 @@ printw(const char *fmt,...)
 #endif
 
     va_start(argp, fmt);
-    code = vwprintw(stdscr, fmt, argp);
+    code = vw_printw(stdscr, fmt, argp);
     va_end(argp);
 
     returnCode(code);
 }
 
 NCURSES_EXPORT(int)
-wprintw(WINDOW *win, const char *fmt,...)
+wprintw(WINDOW *win, const char *fmt, ...)
 {
     va_list argp;
     int code;
@@ -77,16 +77,15 @@ wprintw(WINDOW *win, const char *fmt,...)
 #endif
 
     va_start(argp, fmt);
-    code = vwprintw(win, fmt, argp);
+    code = vw_printw(win, fmt, argp);
     va_end(argp);
 
     returnCode(code);
 }
 
 NCURSES_EXPORT(int)
-mvprintw(int y, int x, const char *fmt,...)
+mvprintw(int y, int x, const char *fmt, ...)
 {
-    va_list argp;
     int code;
 
 #ifdef TRACE
@@ -98,17 +97,18 @@ mvprintw(int y, int x, const char *fmt,...)
 #endif
 
     if ((code = move(y, x)) != ERR) {
+	va_list argp;
+
 	va_start(argp, fmt);
-	code = vwprintw(stdscr, fmt, argp);
+	code = vw_printw(stdscr, fmt, argp);
 	va_end(argp);
     }
     returnCode(code);
 }
 
 NCURSES_EXPORT(int)
-mvwprintw(WINDOW *win, int y, int x, const char *fmt,...)
+mvwprintw(WINDOW *win, int y, int x, const char *fmt, ...)
 {
-    va_list argp;
     int code;
 
 #ifdef TRACE
@@ -120,8 +120,10 @@ mvwprintw(WINDOW *win, int y, int x, const char *fmt,...)
 #endif
 
     if ((code = wmove(win, y, x)) != ERR) {
+	va_list argp;
+
 	va_start(argp, fmt);
-	code = vwprintw(win, fmt, argp);
+	code = vw_printw(win, fmt, argp);
 	va_end(argp);
     }
     returnCode(code);
@@ -144,3 +146,21 @@ vwprintw(WINDOW *win, const char *fmt, va_list argp)
     }
     returnCode(code);
 }
+
+NCURSES_EXPORT(int)
+vw_printw(WINDOW *win, const char *fmt, va_list argp)
+{
+    char *buf;
+    int code = ERR;
+#if NCURSES_SP_FUNCS
+    SCREEN *sp = _nc_screen_of(win);
+#endif
+
+    T((T_CALLED("vw_printw(%p,%s,va_list)"), (void *) win, _nc_visbuf(fmt)));
+
+    buf = NCURSES_SP_NAME(_nc_printf_string) (NCURSES_SP_ARGx fmt, argp);
+    if (buf != 0) {
+	code = waddstr(win, buf);
+    }
+    returnCode(code);
+}
diff --git a/ncurses/base/lib_restart.c b/ncurses/base/lib_restart.c
index 3a3756e385e8..5bfb0788266d 100644
--- a/ncurses/base/lib_restart.c
+++ b/ncurses/base/lib_restart.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2012,2015 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -41,7 +41,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_restart.c,v 1.15 2012/12/08 20:40:06 tom Exp $")
+MODULE_ID("$Id: lib_restart.c,v 1.16 2015/06/27 18:12:15 tom Exp $")
 
 NCURSES_EXPORT(int)
 NCURSES_SP_NAME(restartterm) (NCURSES_SP_DCLx
@@ -54,6 +54,7 @@ NCURSES_SP_NAME(restartterm) (NCURSES_SP_DCLx
     TERMINAL *new_term = 0;
 #endif
 
+    START_TRACE();
     T((T_CALLED("restartterm(%p,%s,%d,%p)"),
        (void *) SP_PARM,
        termp,
@@ -110,6 +111,7 @@ NCURSES_SP_NAME(restartterm) (NCURSES_SP_DCLx
 NCURSES_EXPORT(int)
 restartterm(NCURSES_CONST char *termp, int filenum, int *errret)
 {
+    START_TRACE();
     return NCURSES_SP_NAME(restartterm) (CURRENT_SCREEN, termp, filenum, errret);
 }
 #endif
diff --git a/ncurses/base/lib_scanw.c b/ncurses/base/lib_scanw.c
index 637aa46ece01..26a47d1abf55 100644
--- a/ncurses/base/lib_scanw.c
+++ b/ncurses/base/lib_scanw.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2011 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -40,21 +40,40 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_scanw.c,v 1.13 2011/10/22 16:31:35 tom Exp $")
+MODULE_ID("$Id: lib_scanw.c,v 1.18 2019/01/19 15:46:25 tom Exp $")
 
 NCURSES_EXPORT(int)
-vwscanw(WINDOW *win, NCURSES_CONST char *fmt, va_list argp)
+vwscanw(WINDOW *win, const char *fmt, va_list argp)
 {
     char buf[BUFSIZ];
+    int code = ERR;
 
-    if (wgetnstr(win, buf, (int) sizeof(buf) - 1) == ERR)
-	return (ERR);
+    if (wgetnstr(win, buf, (int) sizeof(buf) - 1) != ERR) {
+	if ((code = vsscanf(buf, fmt, argp)) == EOF) {
+	    code = ERR;
+	}
+    }
 
-    return (vsscanf(buf, fmt, argp));
+    return code;
 }
 
 NCURSES_EXPORT(int)
-scanw(NCURSES_CONST char *fmt,...)
+vw_scanw(WINDOW *win, const char *fmt, va_list argp)
+{
+    char buf[BUFSIZ];
+    int code = ERR;
+
+    if (wgetnstr(win, buf, (int) sizeof(buf) - 1) != ERR) {
+	if ((code = vsscanf(buf, fmt, argp)) == EOF) {
+	    code = ERR;
+	}
+    }
+
+    return code;
+}
+
+NCURSES_EXPORT(int)
+scanw(const char *fmt, ...)
 {
     int code;
     va_list ap;
@@ -62,13 +81,13 @@ scanw(NCURSES_CONST char *fmt,...)
     T(("scanw(\"%s\",...) called", fmt));
 
     va_start(ap, fmt);
-    code = vwscanw(stdscr, fmt, ap);
+    code = vw_scanw(stdscr, fmt, ap);
     va_end(ap);
     return (code);
 }
 
 NCURSES_EXPORT(int)
-wscanw(WINDOW *win, NCURSES_CONST char *fmt,...)
+wscanw(WINDOW *win, const char *fmt, ...)
 {
     int code;
     va_list ap;
@@ -76,31 +95,31 @@ wscanw(WINDOW *win, NCURSES_CONST char *fmt,...)
     T(("wscanw(%p,\"%s\",...) called", (void *) win, fmt));
 
     va_start(ap, fmt);
-    code = vwscanw(win, fmt, ap);
+    code = vw_scanw(win, fmt, ap);
     va_end(ap);
     return (code);
 }
 
 NCURSES_EXPORT(int)
-mvscanw(int y, int x, NCURSES_CONST char *fmt,...)
+mvscanw(int y, int x, const char *fmt, ...)
 {
     int code;
     va_list ap;
 
     va_start(ap, fmt);
-    code = (move(y, x) == OK) ? vwscanw(stdscr, fmt, ap) : ERR;
+    code = (move(y, x) == OK) ? vw_scanw(stdscr, fmt, ap) : ERR;
     va_end(ap);
     return (code);
 }
 
 NCURSES_EXPORT(int)
-mvwscanw(WINDOW *win, int y, int x, NCURSES_CONST char *fmt,...)
+mvwscanw(WINDOW *win, int y, int x, const char *fmt, ...)
 {
     int code;
     va_list ap;
 
     va_start(ap, fmt);
-    code = (wmove(win, y, x) == OK) ? vwscanw(win, fmt, ap) : ERR;
+    code = (wmove(win, y, x) == OK) ? vw_scanw(win, fmt, ap) : ERR;
     va_end(ap);
     return (code);
 }
diff --git a/ncurses/base/lib_screen.c b/ncurses/base/lib_screen.c
index 695ed30e7e10..9e942eaf8494 100644
--- a/ncurses/base/lib_screen.c
+++ b/ncurses/base/lib_screen.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2011 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -35,32 +35,509 @@
 
 #include <curses.priv.h>
 
+#include <ctype.h>
+
 #ifndef CUR
 #define CUR SP_TERMTYPE
 #endif
 
-MODULE_ID("$Id: lib_screen.c,v 1.41 2011/10/22 15:03:11 tom Exp $")
+MODULE_ID("$Id: lib_screen.c,v 1.96 2019/07/20 20:23:21 tom Exp $")
 
 #define MAX_SIZE 0x3fff		/* 16k is big enough for a window or pad */
 
+#define MARKER '\\'
+#define APPEND '+'
+#define GUTTER '|'
+#define L_CURL '{'
+#define R_CURL '}'
+
+#if USE_STRING_HACKS && HAVE_SNPRINTF
+#define ARG_SLIMIT(name) size_t name,
+#else
+#define ARG_SLIMIT(name)	/* nothing */
+#endif
+
+#define CUR_SLIMIT _nc_SLIMIT(limit - (target - base))
+#define TOP_SLIMIT _nc_SLIMIT(sizeof(buffer))
+
+/*
+ * Use 0x888888 as the magic number for new-format files, since it cannot be
+ * mistaken for the _cury/_curx pair of 16-bit numbers which start the old
+ * format.  It happens to be unused in the file 5.22 database (2015/03/07).
+ */
+static const char my_magic[] =
+{'\210', '\210', '\210', '\210'};
+
+#if NCURSES_EXT_PUTWIN
+typedef enum {
+    pINT			/* int */
+    ,pSHORT			/* short */
+    ,pBOOL			/* bool */
+    ,pATTR			/* attr_t */
+    ,pCHAR			/* chtype */
+    ,pSIZE			/* NCURSES_SIZE_T */
+#if NCURSES_WIDECHAR
+    ,pCCHAR			/* cchar_t */
+#endif
+} PARAM_TYPE;
+
+typedef struct {
+    const char name[11];
+    attr_t attr;
+} SCR_ATTRS;
+
+typedef struct {
+    const char name[17];
+    PARAM_TYPE type;
+    size_t size;
+    size_t offset;
+} SCR_PARAMS;
+
+#define DATA(name) { { #name }, A_##name }
+static const SCR_ATTRS scr_attrs[] =
+{
+    DATA(NORMAL),
+    DATA(STANDOUT),
+    DATA(UNDERLINE),
+    DATA(REVERSE),
+    DATA(BLINK),
+    DATA(DIM),
+    DATA(BOLD),
+    DATA(ALTCHARSET),
+    DATA(INVIS),
+    DATA(PROTECT),
+    DATA(HORIZONTAL),
+    DATA(LEFT),
+    DATA(LOW),
+    DATA(RIGHT),
+    DATA(TOP),
+    DATA(VERTICAL),
+
+#ifdef A_ITALIC
+    DATA(ITALIC),
+#endif
+};
+#undef DATA
+
+#define sizeof2(type,name) sizeof(((type *)0)->name)
+#define DATA(name, type) { { #name }, type, sizeof2(WINDOW, name), offsetof(WINDOW, name) }
+
+static const SCR_PARAMS scr_params[] =
+{
+    DATA(_cury, pSIZE),
+    DATA(_curx, pSIZE),
+    DATA(_maxy, pSIZE),
+    DATA(_maxx, pSIZE),
+    DATA(_begy, pSIZE),
+    DATA(_begx, pSIZE),
+    DATA(_flags, pSHORT),
+    DATA(_attrs, pATTR),
+    DATA(_bkgd, pCHAR),
+    DATA(_notimeout, pBOOL),
+    DATA(_clear, pBOOL),
+    DATA(_leaveok, pBOOL),
+    DATA(_scroll, pBOOL),
+    DATA(_idlok, pBOOL),
+    DATA(_idcok, pBOOL),
+    DATA(_immed, pBOOL),
+    DATA(_sync, pBOOL),
+    DATA(_use_keypad, pBOOL),
+    DATA(_delay, pINT),
+    DATA(_regtop, pSIZE),
+    DATA(_regbottom, pSIZE),
+    DATA(_pad._pad_y, pSIZE),
+    DATA(_pad._pad_x, pSIZE),
+    DATA(_pad._pad_top, pSIZE),
+    DATA(_pad._pad_left, pSIZE),
+    DATA(_pad._pad_bottom, pSIZE),
+    DATA(_pad._pad_right, pSIZE),
+    DATA(_yoffset, pSIZE),
+#if NCURSES_WIDECHAR
+    DATA(_bkgrnd, pCCHAR),
+#if NCURSES_EXT_COLORS
+    DATA(_color, pINT),
+#endif
+#endif
+};
+#undef DATA
+
+static const NCURSES_CH_T blank = NewChar(BLANK_TEXT);
+
+/*
+ * Allocate and read a line of text.  Caller must free it.
+ */
+static char *
+read_txt(FILE *fp)
+{
+    size_t limit = 1024;
+    char *result = malloc(limit);
+    char *buffer;
+
+    if (result != 0) {
+	int ch = 0;
+	size_t used = 0;
+
+	clearerr(fp);
+	result[used] = '\0';
+	do {
+	    if (used + 2 >= limit) {
+		limit += 1024;
+		buffer = realloc(result, limit);
+		if (buffer == 0) {
+		    free(result);
+		    result = 0;
+		    break;
+		}
+		result = buffer;
+	    }
+	    ch = fgetc(fp);
+	    if (ch == EOF)
+		break;
+	    result[used++] = (char) ch;
+	    result[used] = '\0';
+	} while (ch != '\n');
+
+	if (ch == '\n') {
+	    result[--used] = '\0';
+	    T(("READ:%s", result));
+	} else if (used == 0) {
+	    free(result);
+	    result = 0;
+	}
+    }
+    return result;
+}
+
+static char *
+decode_attr(char *source, attr_t *target, int *color)
+{
+    bool found = FALSE;
+
+    T(("decode_attr   '%s'", source));
+
+    while (*source) {
+	if (source[0] == MARKER && source[1] == L_CURL) {
+	    source += 2;
+	    found = TRUE;
+	} else if (source[0] == R_CURL) {
+	    source++;
+	    found = FALSE;
+	} else if (found) {
+	    size_t n;
+	    char *next = source;
+
+	    if (source[0] == GUTTER) {
+		++next;
+	    } else if (*next == 'C') {
+		int value = 0;
+		unsigned pair;
+		next++;
+		while (isdigit(UChar(*next))) {
+		    value = value * 10 + (*next++ - '0');
+		}
+		*target &= ~A_COLOR;
+		pair = (unsigned) ((value > 256)
+				   ? COLOR_PAIR(255)
+				   : COLOR_PAIR(value));
+		*target |= pair;
+		*color = value;
+	    } else {
+		while (isalnum(UChar(*next))) {
+		    ++next;
+		}
+		for (n = 0; n < SIZEOF(scr_attrs); ++n) {
+		    if ((size_t) (next - source) == strlen(scr_attrs[n].name)) {
+			if (scr_attrs[n].attr) {
+			    *target |= scr_attrs[n].attr;
+			} else {
+			    *target = A_NORMAL;
+			}
+			break;
+		    }
+		}
+	    }
+	    source = next;
+	} else {
+	    break;
+	}
+    }
+    return source;
+}
+
+static char *
+decode_char(char *source, int *target)
+{
+    int limit = 0;
+    int base = 16;
+    const char digits[] = "0123456789abcdef";
+
+    T(("decode_char   '%s'", source));
+    *target = ' ';
+    switch (*source) {
+    case MARKER:
+	switch (*++source) {
+	case APPEND:
+	    break;
+	case MARKER:
+	    *target = MARKER;
+	    ++source;
+	    break;
+	case 's':
+	    *target = ' ';
+	    ++source;
+	    break;
+	case '0':
+	case '1':
+	case '2':
+	case '3':
+	    base = 8;
+	    limit = 3;
+	    break;
+	case 'u':
+	    limit = 4;
+	    ++source;
+	    break;
+	case 'U':
+	    limit = 8;
+	    ++source;
+	    break;
+	}
+	if (limit) {
+	    *target = 0;
+	    while (limit-- > 0) {
+		char *find = strchr(digits, *source++);
+		int ch = (find != 0) ? (int) (find - digits) : -1;
+		*target *= base;
+		if (ch >= 0 && ch < base) {
+		    *target += ch;
+		}
+	    }
+	}
+	break;
+    default:
+	*target = *source++;
+	break;
+    }
+    return source;
+}
+
+static char *
+decode_chtype(char *source, chtype fillin, chtype *target)
+{
+    attr_t attr = ChAttrOf(fillin);
+    int color = PAIR_NUMBER((int) attr);
+    int value;
+
+    T(("decode_chtype '%s'", source));
+    source = decode_attr(source, &attr, &color);
+    source = decode_char(source, &value);
+    *target = (ChCharOf(value) | attr | (chtype) COLOR_PAIR(color));
+    /* FIXME - ignore combining characters */
+    return source;
+}
+
+#if NCURSES_WIDECHAR
+static char *
+decode_cchar(char *source, cchar_t *fillin, cchar_t *target)
+{
+    int color;
+    attr_t attr = fillin->attr;
+    wchar_t chars[CCHARW_MAX];
+    int append = 0;
+    int value = 0;
+
+    T(("decode_cchar  '%s'", source));
+    *target = blank;
+#if NCURSES_EXT_COLORS
+    color = fillin->ext_color;
+#else
+    color = (int) PAIR_NUMBER(attr);
+#endif
+    source = decode_attr(source, &attr, &color);
+    memset(chars, 0, sizeof(chars));
+    source = decode_char(source, &value);
+    chars[0] = (wchar_t) value;
+    /* handle combining characters */
+    while (source[0] == MARKER && source[1] == APPEND) {
+	source += 2;
+	source = decode_char(source, &value);
+	if (++append < CCHARW_MAX) {
+	    chars[append] = (wchar_t) value;
+	}
+    }
+    setcchar(target, chars, attr, (short) color, &color);
+    return source;
+}
+#endif
+
+static int
+read_win(WINDOW *win, FILE *fp)
+{
+    int code = ERR;
+    size_t n;
+    int color;
+#if NCURSES_WIDECHAR
+    NCURSES_CH_T prior;
+#endif
+    chtype prior2;
+
+    memset(win, 0, sizeof(WINDOW));
+    for (;;) {
+	char *name;
+	char *value;
+	char *txt = read_txt(fp);
+
+	if (txt == 0)
+	    break;
+	if (!strcmp(txt, "rows:")) {
+	    free(txt);
+	    code = OK;
+	    break;
+	}
+	if ((value = strchr(txt, '=')) == 0) {
+	    free(txt);
+	    continue;
+	}
+	*value++ = '\0';
+	name = !strcmp(txt, "flag") ? value : txt;
+	for (n = 0; n < SIZEOF(scr_params); ++n) {
+	    if (!strcmp(name, scr_params[n].name)) {
+		void *data = (void *) ((char *) win + scr_params[n].offset);
+
+		switch (scr_params[n].type) {
+		case pATTR:
+		    (void) decode_attr(value, data, &color);
+		    break;
+		case pBOOL:
+		    *(bool *) data = TRUE;
+		    break;
+		case pCHAR:
+		    prior2 = ' ';
+		    decode_chtype(value, prior2, data);
+		    break;
+		case pINT:
+		    *(int *) data = atoi(value);
+		    break;
+		case pSHORT:
+		    *(short *) data = (short) atoi(value);
+		    break;
+		case pSIZE:
+		    *(NCURSES_SIZE_T *) data = (NCURSES_SIZE_T) atoi(value);
+		    break;
+#if NCURSES_WIDECHAR
+		case pCCHAR:
+		    prior = blank;
+		    decode_cchar(value, &prior, data);
+		    break;
+#endif
+		}
+		break;
+	    }
+	}
+	free(txt);
+    }
+    return code;
+}
+
+static int
+read_row(char *source, NCURSES_CH_T * prior, NCURSES_CH_T * target, int length)
+{
+    while (*source != '\0' && length > 0) {
+#if NCURSES_WIDECHAR
+	int len;
+
+	source = decode_cchar(source, prior, target);
+	len = _nc_wacs_width(target->chars[0]);
+	if (len > 1) {
+	    int n;
+
+	    SetWidecExt(CHDEREF(target), 0);
+	    for (n = 1; n < len; ++n) {
+		target[n] = target[0];
+		SetWidecExt(CHDEREF(target), n);
+	    }
+	    target += (len - 1);
+	    length -= (len - 1);
+	}
+#else
+	source = decode_chtype(source, *prior, target);
+#endif
+	*prior = *target;
+	++target;
+	--length;
+    }
+    while (length-- > 0) {
+	*target++ = blank;
+    }
+    /* FIXME - see what error conditions should apply if I need to return ERR */
+    return 0;
+}
+#endif /* NCURSES_EXT_PUTWIN */
+
+/*
+ * Originally, getwin/putwin used fread/fwrite, because they used binary data.
+ * The new format uses printable ASCII, which does not have as predictable
+ * sizes.  Consequently, we use buffered I/O, e.g., fgetc/fprintf, which need
+ * special handling if we want to read screen dumps from an older library.
+ */
+static int
+read_block(void *target, size_t length, FILE *fp)
+{
+    int result = 0;
+    char *buffer = target;
+
+    clearerr(fp);
+    while (length-- != 0) {
+	int ch = fgetc(fp);
+	if (ch == EOF) {
+	    result = -1;
+	    break;
+	}
+	*buffer++ = (char) ch;
+    }
+    return result;
+}
+
 NCURSES_EXPORT(WINDOW *)
 NCURSES_SP_NAME(getwin) (NCURSES_SP_DCLx FILE *filep)
 {
     WINDOW tmp, *nwin;
-    int n;
+    bool old_format = FALSE;
 
     T((T_CALLED("getwin(%p)"), (void *) filep));
 
     if (filep == 0) {
 	returnWin(0);
     }
-    clearerr(filep);
-    if (fread(&tmp, (size_t) 1, sizeof(WINDOW), filep) < sizeof(WINDOW)
-	|| ferror(filep)
-	|| tmp._maxy == 0
-	|| tmp._maxy > MAX_SIZE
-	|| tmp._maxx == 0
-	|| tmp._maxx > MAX_SIZE) {
+
+    /*
+     * Read the first 4 bytes to determine first if this is an old-format
+     * screen-dump, or new-format.
+     */
+    if (read_block(&tmp, (size_t) 4, filep) < 0) {
+	returnWin(0);
+    }
+    /*
+     * If this is a new-format file, and we do not support it, give up.
+     */
+    if (!memcmp(&tmp, my_magic, (size_t) 4)) {
+#if NCURSES_EXT_PUTWIN
+	if (read_win(&tmp, filep) < 0)
+#endif
+	    returnWin(0);
+    } else if (read_block(((char *) &tmp) + 4, sizeof(WINDOW) - 4, filep) < 0) {
+	returnWin(0);
+    } else {
+	old_format = TRUE;
+    }
+
+    /*
+     * Check the window-size:
+     */
+    if (tmp._maxy == 0 ||
+	tmp._maxy > MAX_SIZE ||
+	tmp._maxx == 0 ||
+	tmp._maxx > MAX_SIZE) {
 	returnWin(0);
     }
 
@@ -80,6 +557,7 @@ NCURSES_SP_NAME(getwin) (NCURSES_SP_DCLx FILE *filep)
      * made sense is probably gone.
      */
     if (nwin != 0) {
+	int n;
 	size_t linesize = sizeof(NCURSES_CH_T) * (size_t) (tmp._maxx + 1);
 
 	nwin->_curx = tmp._curx;
@@ -111,14 +589,55 @@ NCURSES_SP_NAME(getwin) (NCURSES_SP_DCLx FILE *filep)
 	if (tmp._flags & _ISPAD)
 	    nwin->_pad = tmp._pad;
 
-	for (n = 0; n <= nwin->_maxy; n++) {
-	    clearerr(filep);
-	    if (fread(nwin->_line[n].text, (size_t) 1, linesize, filep) < linesize
-		|| ferror(filep)) {
+	if (old_format) {
+	    T(("reading old-format screen dump"));
+	    for (n = 0; n <= nwin->_maxy; n++) {
+		if (read_block(nwin->_line[n].text, linesize, filep) < 0) {
+		    delwin(nwin);
+		    returnWin(0);
+		}
+	    }
+	}
+#if NCURSES_EXT_PUTWIN
+	else {
+	    char *txt = 0;
+	    bool success = TRUE;
+	    NCURSES_CH_T prior = blank;
+
+	    T(("reading new-format screen dump"));
+	    for (n = 0; n <= nwin->_maxy; n++) {
+		long row;
+		char *next;
+
+		if ((txt = read_txt(filep)) == 0) {
+		    T(("...failed to read string for row %d", n + 1));
+		    success = FALSE;
+		    break;
+		}
+		row = strtol(txt, &next, 10);
+		if (row != (n + 1) || *next != ':') {
+		    T(("...failed to read row-number %d", n + 1));
+		    success = FALSE;
+		    break;
+		}
+
+		if (read_row(++next, &prior, nwin->_line[n].text, tmp._maxx
+			     + 1) < 0) {
+		    T(("...failed to read cells for row %d", n + 1));
+		    success = FALSE;
+		    break;
+		}
+		free(txt);
+		txt = 0;
+	    }
+
+	    if (!success) {
+		free(txt);
 		delwin(nwin);
 		returnWin(0);
 	    }
 	}
+#endif
 	touchwin(nwin);
     }
     returnWin(nwin);
@@ -132,24 +651,283 @@ getwin(FILE *filep)
 }
 #endif
 
+#if NCURSES_EXT_PUTWIN
+static void
+encode_attr(char *target, ARG_SLIMIT(limit)
+	    attr_t source,
+	    attr_t prior,
+	    int source_color,
+	    int prior_color)
+{
+#if USE_STRING_HACKS && HAVE_SNPRINTF
+    char *base = target;
+#endif
+    source &= ~A_CHARTEXT;
+    prior &= ~A_CHARTEXT;
+
+    *target = '\0';
+    if ((source != prior) || (source_color != prior_color)) {
+	size_t n;
+	bool first = TRUE;
+
+	*target++ = MARKER;
+	*target++ = L_CURL;
+
+	for (n = 0; n < SIZEOF(scr_attrs); ++n) {
+	    if ((source & scr_attrs[n].attr) != 0 ||
+		((source & ALL_BUT_COLOR) == 0 &&
+		 (scr_attrs[n].attr == A_NORMAL))) {
+		if (first) {
+		    first = FALSE;
+		} else {
+		    *target++ = '|';
+		}
+		_nc_STRCPY(target, scr_attrs[n].name, limit);
+		target += strlen(target);
+	    }
+	}
+	if (source_color != prior_color) {
+	    if (!first)
+		*target++ = '|';
+	    _nc_SPRINTF(target, CUR_SLIMIT "C%d", source_color);
+	    target += strlen(target);
+	}
+
+	*target++ = R_CURL;
+	*target = '\0';
+    }
+}
+
+static void
+encode_cell(char *target, ARG_SLIMIT(limit) CARG_CH_T source, CARG_CH_T previous)
+{
+#if USE_STRING_HACKS && HAVE_SNPRINTF
+    char *base = target;
+#endif
+#if NCURSES_WIDECHAR
+    size_t n;
+    int source_pair = GetPair(*source);
+    int previous_pair = GetPair(*previous);
+
+    *target = '\0';
+    if ((previous->attr != source->attr) || (previous_pair != source_pair)) {
+	encode_attr(target, CUR_SLIMIT
+		    source->attr,
+		    previous->attr,
+		    source_pair,
+		    previous_pair);
+    }
+    target += strlen(target);
+#if NCURSES_EXT_COLORS
+    if (previous->ext_color != source->ext_color) {
+	_nc_SPRINTF(target, CUR_SLIMIT
+		    "%c%cC%d%c", MARKER, L_CURL, source->ext_color, R_CURL);
+    }
+#endif
+    for (n = 0; n < SIZEOF(source->chars); ++n) {
+	unsigned uch = (unsigned) source->chars[n];
+	if (uch == 0)
+	    continue;
+	if (n) {
+	    *target++ = MARKER;
+	    *target++ = APPEND;
+	}
+	*target++ = MARKER;
+	if (uch > 0xffff) {
+	    _nc_SPRINTF(target, CUR_SLIMIT "U%08x", uch);
+	} else if (uch > 0xff) {
+	    _nc_SPRINTF(target, CUR_SLIMIT "u%04x", uch);
+	} else if (uch < 32 || uch >= 127) {
+	    _nc_SPRINTF(target, CUR_SLIMIT "%03o", uch & 0xff);
+	} else {
+	    switch (uch) {
+	    case ' ':
+		_nc_STRCPY(target, "s", limit);
+		break;
+	    case MARKER:
+		*target++ = MARKER;
+		*target = '\0';
+		break;
+	    default:
+		--target;
+		_nc_SPRINTF(target, CUR_SLIMIT "%c", uch);
+		break;
+	    }
+	}
+	target += strlen(target);
+    }
+#else
+    chtype ch = CharOfD(source);
+
+    *target = '\0';
+    if (AttrOfD(previous) != AttrOfD(source)) {
+	encode_attr(target, CUR_SLIMIT
+		    AttrOfD(source),
+		    AttrOfD(previous),
+		    GetPair(source),
+		    GetPair(previous));
+    }
+    target += strlen(target);
+    *target++ = MARKER;
+    if (ch < 32 || ch >= 127) {
+	_nc_SPRINTF(target, CUR_SLIMIT "%03o", UChar(ch));
+    } else {
+	switch (ch) {
+	case ' ':
+	    _nc_STRCPY(target, "s", limit);
+	    break;
+	case MARKER:
+	    *target++ = MARKER;
+	    *target = '\0';
+	    break;
+	default:
+	    --target;
+	    _nc_SPRINTF(target, CUR_SLIMIT "%c", UChar(ch));
+	    break;
+	}
+    }
+#endif
+}
+#endif
+
 NCURSES_EXPORT(int)
 putwin(WINDOW *win, FILE *filep)
 {
     int code = ERR;
-    int n;
 
     T((T_CALLED("putwin(%p,%p)"), (void *) win, (void *) filep));
 
+#if NCURSES_EXT_PUTWIN
+    if (win != 0) {
+	const char *version = curses_version();
+	char buffer[1024];
+	NCURSES_CH_T last_cell;
+	int y;
+
+	memset(&last_cell, 0, sizeof(last_cell));
+
+	clearerr(filep);
+
+	/*
+	 * Our magic number is technically nonprinting, but aside from that,
+	 * all of the file is printable ASCII.
+	 */
+#define PUTS(s) if (fputs(s, filep) == EOF || ferror(filep)) returnCode(code)
+	PUTS(my_magic);
+	PUTS(version);
+	PUTS("\n");
+	for (y = 0; y < (int) SIZEOF(scr_params); ++y) {
+	    const char *name = scr_params[y].name;
+	    const char *data = (char *) win + scr_params[y].offset;
+	    const void *dp = (const void *) data;
+	    attr_t attr;
+
+	    *buffer = '\0';
+	    if (!strncmp(name, "_pad.", (size_t) 5) && !(win->_flags & _ISPAD)) {
+		continue;
+	    }
+	    switch (scr_params[y].type) {
+	    case pATTR:
+		attr = (*(const attr_t *) dp) & ~A_CHARTEXT;
+		encode_attr(buffer, TOP_SLIMIT
+			    (*(const attr_t *) dp) & ~A_CHARTEXT,
+			    A_NORMAL,
+			    COLOR_PAIR((int) attr),
+			    0);
+		break;
+	    case pBOOL:
+		if (!(*(const bool *) data)) {
+		    continue;
+		}
+		_nc_STRCPY(buffer, name, sizeof(buffer));
+		name = "flag";
+		break;
+	    case pCHAR:
+		attr = (*(const attr_t *) dp);
+		encode_attr(buffer, TOP_SLIMIT
+			    * (const attr_t *) dp,
+			    A_NORMAL,
+			    COLOR_PAIR((int) attr),
+			    0);
+		break;
+	    case pINT:
+		if (!(*(const int *) dp))
+		    continue;
+		_nc_SPRINTF(buffer, TOP_SLIMIT
+			    "%d", *(const int *) dp);
+		break;
+	    case pSHORT:
+		if (!(*(const short *) dp))
+		    continue;
+		_nc_SPRINTF(buffer, TOP_SLIMIT
+			    "%d", *(const short *) dp);
+		break;
+	    case pSIZE:
+		if (!(*(const NCURSES_SIZE_T *) dp))
+		    continue;
+		_nc_SPRINTF(buffer, TOP_SLIMIT
+			    "%d", *(const NCURSES_SIZE_T *) dp);
+		break;
+#if NCURSES_WIDECHAR
+	    case pCCHAR:
+		encode_cell(buffer, TOP_SLIMIT
+			    (CARG_CH_T) dp, CHREF(last_cell));
+		break;
+#endif
+	    }
+	    /*
+	     * Only write non-default data.
+	     */
+	    if (*buffer != '\0') {
+		if (fprintf(filep, "%s=%s\n", name, buffer) <= 0
+		    || ferror(filep))
+		    returnCode(code);
+	    }
+	}
+	/* Write row-data */
+	fprintf(filep, "rows:\n");
+	for (y = 0; y <= win->_maxy; y++) {
+	    NCURSES_CH_T *data = win->_line[y].text;
+	    int x;
+	    if (fprintf(filep, "%d:", y + 1) <= 0
+		|| ferror(filep))
+		returnCode(code);
+	    for (x = 0; x <= win->_maxx; x++) {
+#if NCURSES_WIDECHAR
+		int len = _nc_wacs_width(data[x].chars[0]);
+		encode_cell(buffer, TOP_SLIMIT CHREF(data[x]), CHREF(last_cell));
+		last_cell = data[x];
+		PUTS(buffer);
+		if (len > 1)
+		    x += (len - 1);
+#else
+		encode_cell(buffer, TOP_SLIMIT CHREF(data[x]), CHREF(last_cell));
+		last_cell = data[x];
+		PUTS(buffer);
+#endif
+	    }
+	    PUTS("\n");
+	}
+	code = OK;
+    }
+#else
+    /*
+     * This is the original putwin():
+     * A straight binary dump is simple, but its format can depend on whether
+     * ncurses is compiled with wide-character support, and also may depend
+     * on the version of ncurses, e.g., if the WINDOW structure is extended.
+     */
     if (win != 0) {
 	size_t len = (size_t) (win->_maxx + 1);
+	int y;
 
 	clearerr(filep);
 	if (fwrite(win, sizeof(WINDOW), (size_t) 1, filep) != 1
 	    || ferror(filep))
 	      returnCode(code);
 
-	for (n = 0; n <= win->_maxy; n++) {
-	    if (fwrite(win->_line[n].text,
+	for (y = 0; y <= win->_maxy; y++) {
+	    if (fwrite(win->_line[y].text,
 		       sizeof(NCURSES_CH_T), len, filep) != len
 		|| ferror(filep)) {
 		returnCode(code);
@@ -157,6 +935,7 @@ putwin(WINDOW *win, FILE *filep)
 	}
 	code = OK;
     }
+#endif
     returnCode(code);
 }
 
@@ -164,21 +943,23 @@ NCURSES_EXPORT(int)
 NCURSES_SP_NAME(scr_restore) (NCURSES_SP_DCLx const char *file)
 {
     FILE *fp = 0;
+    int code = ERR;
 
     T((T_CALLED("scr_restore(%p,%s)"), (void *) SP_PARM, _nc_visbuf(file)));
 
-    if (_nc_access(file, R_OK) < 0
-	|| (fp = fopen(file, "rb")) == 0) {
-	returnCode(ERR);
-    } else {
+    if (_nc_access(file, R_OK) >= 0
+	&& (fp = fopen(file, BIN_R)) != 0) {
 	delwin(NewScreen(SP_PARM));
 	NewScreen(SP_PARM) = getwin(fp);
 #if !USE_REENTRANT
 	newscr = NewScreen(SP_PARM);
 #endif
 	(void) fclose(fp);
-	returnCode(OK);
+	if (NewScreen(SP_PARM) != 0) {
+	    code = OK;
+	}
     }
+    returnCode(code);
 }
 
 #if NCURSES_SP_FUNCS
@@ -198,7 +979,7 @@ scr_dump(const char *file)
     T((T_CALLED("scr_dump(%s)"), _nc_visbuf(file)));
 
     if (_nc_access(file, W_OK) < 0
-	|| (fp = fopen(file, "wb")) == 0) {
+	|| (fp = fopen(file, BIN_W)) == 0) {
 	result = ERR;
     } else {
 	(void) putwin(newscr, fp);
@@ -211,7 +992,6 @@ scr_dump(const char *file)
 NCURSES_EXPORT(int)
 NCURSES_SP_NAME(scr_init) (NCURSES_SP_DCLx const char *file)
 {
-    FILE *fp = 0;
     int code = ERR;
 
     T((T_CALLED("scr_init(%p,%s)"), (void *) SP_PARM, _nc_visbuf(file)));
@@ -223,15 +1003,19 @@ NCURSES_SP_NAME(scr_init) (NCURSES_SP_DCLx const char *file)
 	!(exit_ca_mode && non_rev_rmcup)
 #endif
 	) {
+	FILE *fp = 0;
+
 	if (_nc_access(file, R_OK) >= 0
-	    && (fp = fopen(file, "rb")) != 0) {
+	    && (fp = fopen(file, BIN_R)) != 0) {
 	    delwin(CurScreen(SP_PARM));
 	    CurScreen(SP_PARM) = getwin(fp);
 #if !USE_REENTRANT
 	    curscr = CurScreen(SP_PARM);
 #endif
 	    (void) fclose(fp);
-	    code = OK;
+	    if (CurScreen(SP_PARM) != 0) {
+		code = OK;
+	    }
 	}
     }
     returnCode(code);
@@ -248,18 +1032,21 @@ scr_init(const char *file)
 NCURSES_EXPORT(int)
 NCURSES_SP_NAME(scr_set) (NCURSES_SP_DCLx const char *file)
 {
+    int code = ERR;
+
     T((T_CALLED("scr_set(%p,%s)"), (void *) SP_PARM, _nc_visbuf(file)));
 
-    if (NCURSES_SP_NAME(scr_init) (NCURSES_SP_ARGx file) == ERR) {
-	returnCode(ERR);
-    } else {
+    if (NCURSES_SP_NAME(scr_init) (NCURSES_SP_ARGx file) == OK) {
 	delwin(NewScreen(SP_PARM));
 	NewScreen(SP_PARM) = dupwin(curscr);
 #if !USE_REENTRANT
 	newscr = NewScreen(SP_PARM);
 #endif
-	returnCode(OK);
+	if (NewScreen(SP_PARM) != 0) {
+	    code = OK;
+	}
     }
+    returnCode(code);
 }
 
 #if NCURSES_SP_FUNCS
diff --git a/ncurses/base/lib_scroll.c b/ncurses/base/lib_scroll.c
index 8684e2519294..000f128fb0d6 100644
--- a/ncurses/base/lib_scroll.c
+++ b/ncurses/base/lib_scroll.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2010,2011 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2011,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -43,7 +43,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_scroll.c,v 1.29 2011/10/22 16:34:50 tom Exp $")
+MODULE_ID("$Id: lib_scroll.c,v 1.31 2019/08/03 22:27:55 tom Exp $")
 
 NCURSES_EXPORT(void)
 _nc_scroll_window(WINDOW *win,
@@ -77,11 +77,13 @@ _nc_scroll_window(WINDOW *win,
      * setup cost.  So there is no point in trying to be excessively
      * clever -- esr.
      */
+#define BottomLimit(n) ((n) >= 0 && (n) >= top)
+#define TopLimit(n)    ((n) <= win->_maxy && (n) <= bottom)
 
     /* shift n lines downwards */
     if (n < 0) {
 	limit = top - n;
-	for (line = bottom; line >= limit && line >= 0; line--) {
+	for (line = bottom; line >= limit && BottomLimit(line); line--) {
 	    TR(TRACE_MOVE, ("...copying %d to %d", line + n, line));
 	    memcpy(win->_line[line].text,
 		   win->_line[line + n].text,
@@ -89,7 +91,7 @@ _nc_scroll_window(WINDOW *win,
 	    if_USE_SCROLL_HINTS(win->_line[line].oldindex =
 				win->_line[line + n].oldindex);
 	}
-	for (line = top; line < limit && line <= win->_maxy; line++) {
+	for (line = top; line < limit && TopLimit(line); line++) {
 	    TR(TRACE_MOVE, ("...filling %d", line));
 	    for (j = 0; j <= win->_maxx; j++)
 		win->_line[line].text[j] = blank;
@@ -100,14 +102,14 @@ _nc_scroll_window(WINDOW *win,
     /* shift n lines upwards */
     if (n > 0) {
 	limit = bottom - n;
-	for (line = top; line <= limit && line <= win->_maxy; line++) {
+	for (line = top; line <= limit && TopLimit(line); line++) {
 	    memcpy(win->_line[line].text,
 		   win->_line[line + n].text,
 		   to_copy);
 	    if_USE_SCROLL_HINTS(win->_line[line].oldindex =
 				win->_line[line + n].oldindex);
 	}
-	for (line = bottom; line > limit && line >= 0; line--) {
+	for (line = bottom; line > limit && BottomLimit(line); line--) {
 	    for (j = 0; j <= win->_maxx; j++)
 		win->_line[line].text[j] = blank;
 	    if_USE_SCROLL_HINTS(win->_line[line].oldindex = _NEWINDEX);
diff --git a/ncurses/base/lib_set_term.c b/ncurses/base/lib_set_term.c
index acf6bc1f71cd..fb0465a940a6 100644
--- a/ncurses/base/lib_set_term.c
+++ b/ncurses/base/lib_set_term.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2017,2018 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -43,11 +43,10 @@
 #include <curses.priv.h>
 #include <tic.h>
 
-#ifndef CUR
+#undef CUR
 #define CUR SP_TERMTYPE
-#endif
 
-MODULE_ID("$Id: lib_set_term.c,v 1.148 2013/08/31 13:33:06 tom Exp $")
+MODULE_ID("$Id: lib_set_term.c,v 1.168 2018/12/15 23:49:43 tom Exp $")
 
 #ifdef USE_TERM_DRIVER
 #define MaxColors      InfoOf(sp).maxcolors
@@ -134,7 +133,6 @@ delink_screen(SCREEN *sp)
 NCURSES_EXPORT(void)
 delscreen(SCREEN *sp)
 {
-    int i;
 
     T((T_CALLED("delscreen(%p)"), (void *) sp));
 
@@ -159,7 +157,10 @@ delscreen(SCREEN *sp)
 	(void) _nc_freewin(StdScreen(sp));
 
 	if (sp->_slk != 0) {
+
 	    if (sp->_slk->ent != 0) {
+		int i;
+
 		for (i = 0; i < sp->_slk->labcnt; ++i) {
 		    FreeIfNeeded(sp->_slk->ent[i].ent_text);
 		    FreeIfNeeded(sp->_slk->ent[i].form_text);
@@ -181,6 +182,7 @@ delscreen(SCREEN *sp)
 	FreeIfNeeded(sp->_color_table);
 	FreeIfNeeded(sp->_color_pairs);
 
+	FreeIfNeeded(sp->_oldnum_list);
 	FreeIfNeeded(sp->oldhash);
 	FreeIfNeeded(sp->newhash);
 	FreeIfNeeded(sp->hashtab);
@@ -190,6 +192,10 @@ delscreen(SCREEN *sp)
 
 	NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_ARG);
 	NCURSES_SP_NAME(del_curterm) (NCURSES_SP_ARGx sp->_term);
+	FreeIfNeeded(sp->out_buffer);
+	if (_nc_find_prescr() == sp) {
+	    _nc_forget_prescr();
+	}
 	free(sp);
 
 	/*
@@ -206,6 +212,12 @@ delscreen(SCREEN *sp)
 	    COLOR_PAIRS = 0;
 #endif
 	    _nc_set_screen(0);
+#if USE_WIDEC_SUPPORT
+	    if (SP == 0) {
+		FreeIfNeeded(_nc_wacs);
+		_nc_wacs = 0;
+	    }
+#endif
 	}
     }
     _nc_unlock_global(curses);
@@ -242,16 +254,17 @@ no_mouse_wrap(SCREEN *sp GCC_UNUSED)
 }
 
 #if NCURSES_EXT_FUNCS && USE_COLORFGBG
-static char *
-extract_fgbg(char *src, int *result)
+static const char *
+extract_fgbg(const char *src, int *result)
 {
-    char *dst = 0;
-    long value = strtol(src, &dst, 0);
+    const char *dst = 0;
+    char *tmp = 0;
+    long value = strtol(src, &tmp, 0);
 
-    if (dst == 0) {
+    if ((dst = tmp) == 0) {
 	dst = src;
     } else if (value >= 0) {
-	*result = value;
+	*result = (int) value;
     }
     while (*dst != 0 && *dst != ';')
 	dst++;
@@ -261,7 +274,7 @@ extract_fgbg(char *src, int *result)
 }
 #endif
 
-#define ReturnScreenError() { _nc_set_screen(0); \
+#define ReturnScreenError() do { _nc_set_screen(0); \
                             returnCode(ERR); } while (0)
 
 /* OS-independent screen initializations */
@@ -276,9 +289,11 @@ NCURSES_SP_NAME(_nc_setupscreen) (
 				     int filtered,
 				     int slk_format)
 {
+#ifndef USE_TERM_DRIVER
+    static const TTY null_TTY;	/* all zeros iff uninitialized */
+#endif
     char *env;
     int bottom_stolen = 0;
-    ripoff_t *rop;
     SCREEN *sp;
 #ifndef USE_TERM_DRIVER
     bool support_cookies = USE_XMC_SUPPORT;
@@ -295,6 +310,7 @@ NCURSES_SP_NAME(_nc_setupscreen) (
 
     if (!sp) {
 	sp = _nc_alloc_screen_sp();
+	T(("_nc_alloc_screen_sp %p", (void *) sp));
 	*spp = sp;
     }
     if (!sp
@@ -351,15 +367,21 @@ NCURSES_SP_NAME(_nc_setupscreen) (
 	slines = 1;
 	SET_LINES(slines);
 #ifdef USE_TERM_DRIVER
-	CallDriver(sp, setfilter);
+	CallDriver(sp, td_setfilter);
 #else
-	clear_screen = 0;
-	cursor_down = parm_down_cursor = 0;
-	cursor_address = 0;
-	cursor_up = parm_up_cursor = 0;
-	row_address = 0;
+	/* *INDENT-EQLS* */
+	clear_screen     = ABSENT_STRING;
+	cursor_address   = ABSENT_STRING;
+	cursor_down      = ABSENT_STRING;
+	cursor_up        = ABSENT_STRING;
+	parm_down_cursor = ABSENT_STRING;
+	parm_up_cursor   = ABSENT_STRING;
+	row_address      = ABSENT_STRING;
+	cursor_home      = carriage_return;
+
+	if (back_color_erase)
+	    clr_eos = ABSENT_STRING;
 
-	cursor_home = carriage_return;
 #endif
 	T(("filter screensize %dx%d", slines, scolumns));
     }
@@ -411,8 +433,8 @@ NCURSES_SP_NAME(_nc_setupscreen) (
     sp->_default_fg = COLOR_WHITE;
     sp->_default_bg = COLOR_BLACK;
 #else
-    sp->_default_fg = C_MASK;
-    sp->_default_bg = C_MASK;
+    sp->_default_fg = COLOR_DEFAULT;
+    sp->_default_bg = COLOR_DEFAULT;
 #endif
 
     /*
@@ -424,9 +446,9 @@ NCURSES_SP_NAME(_nc_setupscreen) (
 	char sep1, sep2;
 	int count = sscanf(env, "%d%c%d%c", &fg, &sep1, &bg, &sep2);
 	if (count >= 1) {
-	    sp->_default_fg = ((fg >= 0 && fg < MaxColors) ? fg : C_MASK);
+	    sp->_default_fg = ((fg >= 0 && fg < MaxColors) ? fg : COLOR_DEFAULT);
 	    if (count >= 3) {
-		sp->_default_bg = ((bg >= 0 && bg < MaxColors) ? bg : C_MASK);
+		sp->_default_bg = ((bg >= 0 && bg < MaxColors) ? bg : COLOR_DEFAULT);
 	    }
 	    TR(TRACE_CHARPUT | TRACE_MOVE,
 	       ("from environment assumed fg=%d, bg=%d",
@@ -442,7 +464,7 @@ NCURSES_SP_NAME(_nc_setupscreen) (
      * decide later if it is worth having default attributes as well.
      */
     if (getenv("COLORFGBG") != 0) {
-	char *p = getenv("COLORFGBG");
+	const char *p = getenv("COLORFGBG");
 	TR(TRACE_CHARPUT | TRACE_MOVE, ("decoding COLORFGBG %s", p));
 	p = extract_fgbg(p, &(sp->_default_fg));
 	p = extract_fgbg(p, &(sp->_default_bg));
@@ -453,7 +475,7 @@ NCURSES_SP_NAME(_nc_setupscreen) (
 	if (sp->_default_fg >= MaxColors) {
 	    if (set_a_foreground != ABSENT_STRING
 		&& !strcmp(set_a_foreground, "\033[3%p1%dm")) {
-		set_a_foreground = "\033[3%?%p1%{8}%>%t9%e%p1%d%;m";
+		set_a_foreground = strdup("\033[3%?%p1%{8}%>%t9%e%p1%d%;m");
 	    } else {
 		sp->_default_fg %= MaxColors;
 	    }
@@ -461,7 +483,7 @@ NCURSES_SP_NAME(_nc_setupscreen) (
 	if (sp->_default_bg >= MaxColors) {
 	    if (set_a_background != ABSENT_STRING
 		&& !strcmp(set_a_background, "\033[4%p1%dm")) {
-		set_a_background = "\033[4%?%p1%{8}%>%t9%e%p1%d%;m";
+		set_a_background = strdup("\033[4%?%p1%{8}%>%t9%e%p1%d%;m");
 	    } else {
 		sp->_default_bg %= MaxColors;
 	    }
@@ -573,7 +595,9 @@ NCURSES_SP_NAME(_nc_setupscreen) (
     NCURSES_SP_NAME(_nc_init_acs) (NCURSES_SP_ARG);
 #if USE_WIDEC_SUPPORT
     sp->_screen_unicode = _nc_unicode_locale();
-    _nc_init_wacs();
+    if (_nc_wacs == 0) {
+	_nc_init_wacs();
+    }
     if (_nc_wacs == 0) {
 	ReturnScreenError();
     }
@@ -617,10 +641,22 @@ NCURSES_SP_NAME(_nc_setupscreen) (
     NewScreen(sp)->_clear = TRUE;
     CurScreen(sp)->_clear = FALSE;
 
-    NCURSES_SP_NAME(def_shell_mode) (NCURSES_SP_ARG);
-    NCURSES_SP_NAME(def_prog_mode) (NCURSES_SP_ARG);
+    /*
+     * Get the current tty-modes. setupterm() may already have done this,
+     * unless we use the term-driver.
+     */
+#ifndef USE_TERM_DRIVER
+    if (cur_term != 0 &&
+	!memcmp(&cur_term->Ottyb, &null_TTY, sizeof(TTY)))
+#endif
+    {
+	NCURSES_SP_NAME(def_shell_mode) (NCURSES_SP_ARG);
+	NCURSES_SP_NAME(def_prog_mode) (NCURSES_SP_ARG);
+    }
 
     if (safe_ripoff_sp && safe_ripoff_sp != safe_ripoff_stack) {
+	ripoff_t *rop;
+
 	for (rop = safe_ripoff_stack;
 	     rop != safe_ripoff_sp && (rop - safe_ripoff_stack) < N_RIPS;
 	     rop++) {
@@ -714,9 +750,12 @@ NCURSES_SP_NAME(_nc_ripoffline) (NCURSES_SP_DCLx
 				 int (*init) (WINDOW *, int))
 {
     int code = ERR;
+    TR_FUNC_BFR(1);
 
     START_TRACE();
-    T((T_CALLED("ripoffline(%p,%d,%p)"), (void *) SP_PARM, line, init));
+    T((T_CALLED("ripoffline(%p,%d,%s)"),
+       (void *) SP_PARM, line,
+       TR_FUNC_ARG(0, init)));
 
 #if NCURSES_SP_FUNCS
     if (SP_PARM != 0 && SP_PARM->_prescreen)
@@ -725,12 +764,15 @@ NCURSES_SP_NAME(_nc_ripoffline) (NCURSES_SP_DCLx
 	if (line == 0) {
 	    code = OK;
 	} else {
-	    if (safe_ripoff_sp == 0)
+	    if (safe_ripoff_sp == 0) {
 		safe_ripoff_sp = safe_ripoff_stack;
+	    }
 	    if (safe_ripoff_sp < safe_ripoff_stack + N_RIPS) {
 		safe_ripoff_sp->line = line;
 		safe_ripoff_sp->hook = init;
 		(safe_ripoff_sp)++;
+		T(("ripped-off %d:%d chunks",
+		   (int) (safe_ripoff_sp - safe_ripoff_stack), N_RIPS));
 		code = OK;
 	    }
 	}
@@ -743,7 +785,12 @@ NCURSES_SP_NAME(_nc_ripoffline) (NCURSES_SP_DCLx
 NCURSES_EXPORT(int)
 _nc_ripoffline(int line, int (*init) (WINDOW *, int))
 {
-    return NCURSES_SP_NAME(_nc_ripoffline) (CURRENT_SCREEN_PRE, line, init);
+    int rc;
+    _nc_lock_global(prescreen);
+    START_TRACE();
+    rc = NCURSES_SP_NAME(_nc_ripoffline) (CURRENT_SCREEN_PRE, line, init);
+    _nc_unlock_global(prescreen);
+    return rc;
 }
 #endif
 
@@ -762,6 +809,11 @@ NCURSES_SP_NAME(ripoffline) (NCURSES_SP_DCLx
 NCURSES_EXPORT(int)
 ripoffline(int line, int (*init) (WINDOW *, int))
 {
-    return NCURSES_SP_NAME(ripoffline) (CURRENT_SCREEN_PRE, line, init);
+    int rc;
+    _nc_lock_global(prescreen);
+    START_TRACE();
+    rc = NCURSES_SP_NAME(ripoffline) (CURRENT_SCREEN_PRE, line, init);
+    _nc_unlock_global(prescreen);
+    return rc;
 }
 #endif
diff --git a/ncurses/base/lib_slkatr_set.c b/ncurses/base/lib_slkatr_set.c
index a3132e9ced1a..fa701f0b1008 100644
--- a/ncurses/base/lib_slkatr_set.c
+++ b/ncurses/base/lib_slkatr_set.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2014 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2004,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -38,30 +38,31 @@
  */
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_slkatr_set.c,v 1.15 2014/02/01 22:10:42 tom Exp $")
+MODULE_ID("$Id: lib_slkatr_set.c,v 1.16 2017/03/16 23:45:36 tom Exp $")
 
 NCURSES_EXPORT(int)
 NCURSES_SP_NAME(slk_attr_set) (NCURSES_SP_DCLx
 			       const attr_t attr,
-			       NCURSES_PAIRS_T color_pair_number,
+			       NCURSES_PAIRS_T pair_arg,
 			       void *opts)
 {
     int code = ERR;
+    int color_pair = pair_arg;
 
     T((T_CALLED("slk_attr_set(%p,%s,%d)"),
        (void *) SP_PARM,
        _traceattr(attr),
-       (int) color_pair_number));
+       color_pair));
 
+    set_extended_pair(opts, color_pair);
     if (SP_PARM != 0
 	&& SP_PARM->_slk != 0
-	&& !opts
-	&& color_pair_number >= 0
-	&& color_pair_number < SP_PARM->_pair_limit) {
+	&& color_pair >= 0
+	&& color_pair < SP_PARM->_pair_limit) {
 	TR(TRACE_ATTRS, ("... current %s", _tracech_t(CHREF(SP_PARM->_slk->attr))));
 	SetAttr(SP_PARM->_slk->attr, attr);
-	if (color_pair_number > 0) {
-	    SetPair(SP_PARM->_slk->attr, color_pair_number);
+	if (color_pair > 0) {
+	    SetPair(SP_PARM->_slk->attr, color_pair);
 	}
 	TR(TRACE_ATTRS, ("new attribute is %s", _tracech_t(CHREF(SP_PARM->_slk->attr))));
 	code = OK;
@@ -71,9 +72,9 @@ NCURSES_SP_NAME(slk_attr_set) (NCURSES_SP_DCLx
 
 #if NCURSES_SP_FUNCS
 NCURSES_EXPORT(int)
-slk_attr_set(const attr_t attr, NCURSES_COLOR_T color_pair_number, void *opts)
+slk_attr_set(const attr_t attr, NCURSES_COLOR_T pair_arg, void *opts)
 {
     return NCURSES_SP_NAME(slk_attr_set) (CURRENT_SCREEN, attr,
-					  color_pair_number, opts);
+					  pair_arg, opts);
 }
 #endif
diff --git a/ncurses/base/lib_slkcolor.c b/ncurses/base/lib_slkcolor.c
index 2cf9e5d7f121..7edbe1afcc93 100644
--- a/ncurses/base/lib_slkcolor.c
+++ b/ncurses/base/lib_slkcolor.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2014 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2017,2018 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -38,31 +38,53 @@
  */
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_slkcolor.c,v 1.17 2014/02/01 22:10:42 tom Exp $")
+MODULE_ID("$Id: lib_slkcolor.c,v 1.19 2018/03/01 15:02:12 tom Exp $")
 
-NCURSES_EXPORT(int)
-NCURSES_SP_NAME(slk_color) (NCURSES_SP_DCLx NCURSES_PAIRS_T color_pair_number)
+static int
+_nc_slk_color(SCREEN *sp, int pair_arg)
 {
     int code = ERR;
 
-    T((T_CALLED("slk_color(%p,%d)"), (void *) SP_PARM, (int) color_pair_number));
+    T((T_CALLED("slk_color(%p,%d)"), (void *) sp, pair_arg));
 
-    if (SP_PARM != 0
-	&& SP_PARM->_slk != 0
-	&& color_pair_number >= 0
-	&& color_pair_number < SP_PARM->_pair_limit) {
-	TR(TRACE_ATTRS, ("... current is %s", _tracech_t(CHREF(SP_PARM->_slk->attr))));
-	SetPair(SP_PARM->_slk->attr, color_pair_number);
-	TR(TRACE_ATTRS, ("new attribute is %s", _tracech_t(CHREF(SP_PARM->_slk->attr))));
+    if (sp != 0
+	&& sp->_slk != 0
+	&& pair_arg >= 0
+	&& pair_arg < sp->_pair_limit) {
+	TR(TRACE_ATTRS, ("... current is %s", _tracech_t(CHREF(sp->_slk->attr))));
+	SetPair(sp->_slk->attr, pair_arg);
+	TR(TRACE_ATTRS, ("new attribute is %s", _tracech_t(CHREF(sp->_slk->attr))));
 	code = OK;
     }
     returnCode(code);
 }
 
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(slk_color) (NCURSES_SP_DCLx NCURSES_PAIRS_T pair_arg)
+{
+    return _nc_slk_color(SP_PARM, pair_arg);
+}
+
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+slk_color(NCURSES_PAIRS_T pair_arg)
+{
+    return NCURSES_SP_NAME(slk_color) (CURRENT_SCREEN, pair_arg);
+}
+#endif
+
+#if NCURSES_EXT_COLORS
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(extended_slk_color) (NCURSES_SP_DCLx int pair_arg)
+{
+    return _nc_slk_color(SP_PARM, pair_arg);
+}
+
 #if NCURSES_SP_FUNCS
 NCURSES_EXPORT(int)
-slk_color(NCURSES_PAIRS_T color_pair_number)
+extended_slk_color(int pair_arg)
 {
-    return NCURSES_SP_NAME(slk_color) (CURRENT_SCREEN, color_pair_number);
+    return NCURSES_SP_NAME(extended_slk_color) (CURRENT_SCREEN, pair_arg);
 }
 #endif
+#endif
diff --git a/ncurses/base/lib_slkinit.c b/ncurses/base/lib_slkinit.c
index 9cbdfea98430..11bbdef6ccf7 100644
--- a/ncurses/base/lib_slkinit.c
+++ b/ncurses/base/lib_slkinit.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2008,2009 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2009,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -40,7 +40,7 @@
  */
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_slkinit.c,v 1.13 2009/10/31 00:10:46 tom Exp $")
+MODULE_ID("$Id: lib_slkinit.c,v 1.14 2017/06/30 11:47:34 tom Exp $")
 
 #ifdef USE_SP_RIPOFF
 #define SoftkeyFormat SP_PARM->slk_format
@@ -75,6 +75,11 @@ NCURSES_SP_NAME(slk_init) (NCURSES_SP_DCLx int format)
 NCURSES_EXPORT(int)
 slk_init(int format)
 {
-    return NCURSES_SP_NAME(slk_init) (CURRENT_SCREEN_PRE, format);
+    int rc;
+    _nc_lock_global(prescreen);
+    START_TRACE();
+    rc = NCURSES_SP_NAME(slk_init) (CURRENT_SCREEN_PRE, format);
+    _nc_unlock_global(prescreen);
+    return rc;
 }
 #endif
diff --git a/ncurses/base/lib_slkrefr.c b/ncurses/base/lib_slkrefr.c
index 6d9fcd63507c..382f9c4b00f7 100644
--- a/ncurses/base/lib_slkrefr.c
+++ b/ncurses/base/lib_slkrefr.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2013,2014 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -43,7 +43,7 @@
 #define CUR SP_TERMTYPE
 #endif
 
-MODULE_ID("$Id: lib_slkrefr.c,v 1.29 2013/01/12 17:25:48 tom Exp $")
+MODULE_ID("$Id: lib_slkrefr.c,v 1.30 2014/03/08 20:32:59 tom Exp $")
 
 #ifdef USE_TERM_DRIVER
 #define NumLabels    InfoOf(SP_PARM).numlabels
@@ -97,7 +97,7 @@ slk_intern_refresh(SCREEN *sp)
 	    if (slk->ent[i].visible) {
 		if (numlab > 0 && SLK_STDFMT(fmt)) {
 #ifdef USE_TERM_DRIVER
-		    CallDriver_2(sp, hwlabel, i + 1, slk->ent[i].form_text);
+		    CallDriver_2(sp, td_hwlabel, i + 1, slk->ent[i].form_text);
 #else
 		    if (i < num_labels) {
 			NCURSES_PUTP2("plab_norm",
@@ -125,7 +125,7 @@ slk_intern_refresh(SCREEN *sp)
 
     if (numlab > 0) {
 #ifdef USE_TERM_DRIVER
-	CallDriver_1(sp, hwlabelOnOff, slk->hidden ? FALSE : TRUE);
+	CallDriver_1(sp, td_hwlabelOnOff, slk->hidden ? FALSE : TRUE);
 #else
 	if (slk->hidden) {
 	    NCURSES_PUTP2("label_off", label_off);
diff --git a/ncurses/base/lib_slkset.c b/ncurses/base/lib_slkset.c
index 9091e001a91d..66a4d043a687 100644
--- a/ncurses/base/lib_slkset.c
+++ b/ncurses/base/lib_slkset.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2012,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -44,7 +44,7 @@
 #endif
 #endif
 
-MODULE_ID("$Id: lib_slkset.c,v 1.24 2012/12/08 23:09:25 tom Exp $")
+MODULE_ID("$Id: lib_slkset.c,v 1.25 2019/05/04 20:46:24 tom Exp $")
 
 NCURSES_EXPORT(int)
 NCURSES_SP_NAME(slk_set) (NCURSES_SP_DCLx int i, const char *astr, int format)
@@ -89,9 +89,9 @@ NCURSES_SP_NAME(slk_set) (NCURSES_SP_DCLx int i, const char *astr, int format)
 	mbrtowc(&wc, p, need, &state);
 	if (!iswprint((wint_t) wc))
 	    break;
-	if (wcwidth(wc) + numcols > limit)
+	if (_nc_wacs_width(wc) + numcols > limit)
 	    break;
-	numcols += wcwidth(wc);
+	numcols += _nc_wacs_width(wc);
 	p += need;
     }
     numchrs = (int) (p - str);
diff --git a/ncurses/base/lib_touch.c b/ncurses/base/lib_touch.c
index 20ac9450f15f..451606483b86 100644
--- a/ncurses/base/lib_touch.c
+++ b/ncurses/base/lib_touch.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2010,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2016,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -43,16 +43,19 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_touch.c,v 1.12 2012/06/09 20:29:33 tom Exp $")
+MODULE_ID("$Id: lib_touch.c,v 1.15 2017/11/21 00:14:26 tom Exp $")
+
+#undef is_linetouched
 
 NCURSES_EXPORT(bool)
 is_linetouched(WINDOW *win, int line)
 {
     T((T_CALLED("is_linetouched(%p,%d)"), (void *) win, line));
 
-    /* XSI doesn't define any error */
-    if (!win || (line > win->_maxy) || (line < 0))
-	returnCode((bool) ERR);
+    /* XSI doesn't define any error, and gcc ultimately made it impossible */
+    if (!win || (line > win->_maxy) || (line < 0)) {
+	returnCode(FALSE);
+    }
 
     returnCode(win->_line[line].firstchar != _NOCHANGE ? TRUE : FALSE);
 }
@@ -60,14 +63,15 @@ is_linetouched(WINDOW *win, int line)
 NCURSES_EXPORT(bool)
 is_wintouched(WINDOW *win)
 {
-    int i;
-
     T((T_CALLED("is_wintouched(%p)"), (void *) win));
 
-    if (win)
+    if (win) {
+	int i;
+
 	for (i = 0; i <= win->_maxy; i++)
 	    if (win->_line[i].firstchar != _NOCHANGE)
 		returnCode(TRUE);
+    }
     returnCode(FALSE);
 }
 
diff --git a/ncurses/base/lib_vline.c b/ncurses/base/lib_vline.c
index 2f3148eca77c..acb5dfd125f8 100644
--- a/ncurses/base/lib_vline.c
+++ b/ncurses/base/lib_vline.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2016,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -29,6 +29,8 @@
 /****************************************************************************
  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
+ *     and: Thomas E. Dickey                        1996-on                 *
+ *     and: Sven Verdoolaege                        2001                    *
  ****************************************************************************/
 
 /*
@@ -40,22 +42,21 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_vline.c,v 1.12 2010/12/19 01:22:58 tom Exp $")
+MODULE_ID("$Id: lib_vline.c,v 1.14 2017/10/28 19:55:44 tom Exp $")
 
 NCURSES_EXPORT(int)
 wvline(WINDOW *win, chtype ch, int n)
 {
     int code = ERR;
-    int row, col;
-    int end;
 
     T((T_CALLED("wvline(%p,%s,%d)"), (void *) win, _tracechtype(ch), n));
 
     if (win) {
 	NCURSES_CH_T wch;
-	row = win->_cury;
-	col = win->_curx;
-	end = row + n - 1;
+	int row = win->_cury;
+	int col = win->_curx;
+	int end = row + n - 1;
+
 	if (end > win->_maxy)
 	    end = win->_maxy;
 
@@ -67,6 +68,14 @@ wvline(WINDOW *win, chtype ch, int n)
 
 	while (end >= row) {
 	    struct ldat *line = &(win->_line[end]);
+#if USE_WIDEC_SUPPORT
+	    if (col > 0 && isWidecExt(line->text[col])) {
+		SetChar2(line->text[col - 1], ' ');
+	    }
+	    if (col < win->_maxx && isWidecExt(line->text[col + 1])) {
+		SetChar2(line->text[col + 1], ' ');
+	    }
+#endif
 	    line->text[col] = wch;
 	    CHANGED_CELL(line, col);
 	    end--;
diff --git a/ncurses/base/lib_window.c b/ncurses/base/lib_window.c
index 4baa36943c44..d755e88d66a3 100644
--- a/ncurses/base/lib_window.c
+++ b/ncurses/base/lib_window.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2010,2016 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -39,7 +39,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_window.c,v 1.29 2010/12/19 01:47:22 tom Exp $")
+MODULE_ID("$Id: lib_window.c,v 1.30 2016/05/28 23:11:26 tom Exp $")
 
 NCURSES_EXPORT(void)
 _nc_synchook(WINDOW *win)
@@ -56,7 +56,6 @@ mvderwin(WINDOW *win, int y, int x)
 /* move a derived window */
 {
     WINDOW *orig;
-    int i;
     int rc = ERR;
 
     T((T_CALLED("mvderwin(%p,%d,%d)"), (void *) win, y, x));
@@ -66,6 +65,8 @@ mvderwin(WINDOW *win, int y, int x)
 	&& (x >= 0 && y >= 0)
 	&& (x + getmaxx(win) <= getmaxx(orig))
 	&& (y + getmaxy(win) <= getmaxy(orig))) {
+	int i;
+
 	wsyncup(win);
 	win->_parx = x;
 	win->_pary = y;
@@ -177,8 +178,6 @@ dupwin(WINDOW *win)
 /* make an exact duplicate of the given window */
 {
     WINDOW *nwin = 0;
-    size_t linesize;
-    int i;
 
     T((T_CALLED("dupwin(%p)"), (void *) win));
 
@@ -200,6 +199,8 @@ dupwin(WINDOW *win)
 	}
 
 	if (nwin != 0) {
+	    int i;
+	    size_t linesize;
 
 	    nwin->_curx = win->_curx;
 	    nwin->_cury = win->_cury;
diff --git a/ncurses/base/new_pair.c b/ncurses/base/new_pair.c
new file mode 100644
index 000000000000..2c3c2fb82a2d
--- /dev/null
+++ b/ncurses/base/new_pair.c
@@ -0,0 +1,385 @@
+/****************************************************************************
+ * Copyright (c) 2017-2018,2019 Free Software Foundation, Inc.              *
+ *                                                                          *
+ * Permission is hereby granted, free of charge, to any person obtaining a  *
+ * copy of this software and associated documentation files (the            *
+ * "Software"), to deal in the Software without restriction, including      *
+ * without limitation the rights to use, copy, modify, merge, publish,      *
+ * distribute, distribute with modifications, sublicense, and/or sell       *
+ * copies of the Software, and to permit persons to whom the Software is    *
+ * furnished to do so, subject to the following conditions:                 *
+ *                                                                          *
+ * The above copyright notice and this permission notice shall be included  *
+ * in all copies or substantial portions of the Software.                   *
+ *                                                                          *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
+ *                                                                          *
+ * Except as contained in this notice, the name(s) of the above copyright   *
+ * holders shall not be used in advertising or otherwise to promote the     *
+ * sale, use or other dealings in this Software without prior written       *
+ * authorization.                                                           *
+ ****************************************************************************/
+
+/****************************************************************************
+ *  Author: Thomas E. Dickey                                                *
+ ****************************************************************************/
+
+/* new_pair.c
+ *
+ * New color-pair functions, alloc_pair and free_pair
+ */
+
+#define NEW_PAIR_INTERNAL 1
+#include <curses.priv.h>
+
+#ifndef CUR
+#define CUR SP_TERMTYPE
+#endif
+
+#ifdef USE_TERM_DRIVER
+#define MaxColors      InfoOf(SP_PARM).maxcolors
+#else
+#define MaxColors      max_colors
+#endif
+
+#if NCURSES_EXT_COLORS
+
+/* fix redefinition versys tic.h */
+#undef entry
+#define entry my_entry
+#undef ENTRY
+#define ENTRY my_ENTRY
+
+#include <search.h>
+
+#endif
+
+MODULE_ID("$Id: new_pair.c,v 1.18 2019/01/21 14:54:47 tom Exp $")
+
+#if NCURSES_EXT_COLORS
+
+#ifdef NEW_PAIR_DEBUG
+
+static int
+prev_len(SCREEN *sp, int pair)
+{
+    int result = 1;
+    int base = pair;
+    colorpair_t *list = sp->_color_pairs;
+    while (list[pair].prev != base) {
+	result++;
+	pair = list[pair].prev;
+    }
+    return result;
+}
+
+static int
+next_len(SCREEN *sp, int pair)
+{
+    int result = 1;
+    int base = pair;
+    colorpair_t *list = sp->_color_pairs;
+    while (list[pair].next != base) {
+	result++;
+	pair = list[pair].next;
+    }
+    return result;
+}
+
+/*
+ * Trace the contents of LRU color-pairs.
+ */
+static void
+dumpit(SCREEN *sp, int pair, const char *tag)
+{
+    colorpair_t *list = sp->_color_pairs;
+    char bigbuf[256 * 20];
+    char *p = bigbuf;
+    int n;
+    size_t have = sizeof(bigbuf);
+
+    _nc_STRCPY(p, tag, have);
+    for (n = 0; n < sp->_pair_limit; ++n) {
+	if (list[n].mode != cpFREE) {
+	    p += strlen(p);
+	    if ((size_t) (p - bigbuf) + 50 > have)
+		break;
+	    _nc_SPRINTF(p, _nc_SLIMIT(have - (p - bigbuf))
+			" %d%c(%d,%d)",
+			n, n == pair ? '@' : ':', list[n].next, list[n].prev);
+	}
+    }
+    T(("(%d/%d) %ld - %s",
+       next_len(sp, 0),
+       prev_len(sp, 0),
+       strlen(bigbuf), bigbuf));
+
+    if (next_len(sp, 0) != prev_len(sp, 0)) {
+	endwin();
+	ExitProgram(EXIT_FAILURE);
+    }
+}
+#else
+#define dumpit(sp, pair, tag)	/* nothing */
+#endif
+
+static int
+compare_data(const void *a, const void *b)
+{
+    const colorpair_t *p = (const colorpair_t *) a;
+    const colorpair_t *q = (const colorpair_t *) b;
+    return ((p->fg == q->fg)
+	    ? (p->bg - q->bg)
+	    : (p->fg - q->fg));
+}
+
+static int
+_nc_find_color_pair(SCREEN *sp, int fg, int bg)
+{
+    colorpair_t find;
+    int result;
+    void *pp;
+
+    find.fg = fg;
+    find.bg = bg;
+    if (sp != 0 &&
+	(pp = tfind(&find, &sp->_ordered_pairs, compare_data)) != 0) {
+	colorpair_t *temp = *(colorpair_t **) pp;
+	result = (int) (temp - sp->_color_pairs);
+    } else {
+	result = -1;
+    }
+    return result;
+}
+
+static void
+delink_color_pair(SCREEN *sp, int pair)
+{
+    colorpair_t *list = sp->_color_pairs;
+    int prev = list[pair].prev;
+    int next = list[pair].next;
+
+    /* delink this from its current location */
+    if (list[prev].next == pair &&
+	list[next].prev == pair) {
+	list[prev].next = next;
+	list[next].prev = prev;
+	dumpit(sp, pair, "delinked");
+    }
+}
+
+/*
+ * Discard all nodes in the fast-index.
+ */
+NCURSES_EXPORT(void)
+_nc_free_ordered_pairs(SCREEN *sp)
+{
+    if (sp && sp->_ordered_pairs && sp->_pair_alloc) {
+	int n;
+	for (n = 0; n < sp->_pair_alloc; ++n) {
+	    tdelete(&sp->_color_pairs[n], &sp->_ordered_pairs, compare_data);
+	}
+    }
+}
+
+/*
+ * Use this call to update the fast-index when modifying an entry in the color
+ * pair table.
+ */
+NCURSES_EXPORT(void)
+_nc_reset_color_pair(SCREEN *sp, int pair, colorpair_t * next)
+{
+    colorpair_t *last;
+    if (ValidPair(sp, pair)) {
+	ReservePairs(sp, pair);
+	last = &(sp->_color_pairs[pair]);
+	delink_color_pair(sp, pair);
+	if (last->mode > cpFREE &&
+	    (last->fg != next->fg || last->bg != next->bg)) {
+	    /* remove the old entry from fast index */
+	    tdelete(last, &sp->_ordered_pairs, compare_data);
+	    /* create a new entry in fast index */
+	    *last = *next;
+	    tsearch(last, &sp->_ordered_pairs, compare_data);
+	}
+    }
+}
+
+/*
+ * Use this call to relink the newest pair to the front of the list, keeping
+ * "0" first.
+ */
+NCURSES_EXPORT(void)
+_nc_set_color_pair(SCREEN *sp, int pair, int mode)
+{
+    if (ValidPair(sp, pair)) {
+	colorpair_t *list = sp->_color_pairs;
+	dumpit(sp, pair, "SET_PAIR");
+	list[0].mode = cpKEEP;
+	if (list[pair].mode <= cpFREE)
+	    sp->_pairs_used++;
+	list[pair].mode = mode;
+	if (list[0].next != pair) {
+	    /* link it at the front of the list */
+	    list[pair].next = list[0].next;
+	    list[list[pair].next].prev = pair;
+	    list[pair].prev = 0;
+	    list[0].next = pair;
+	}
+	dumpit(sp, pair, "...after");
+    }
+}
+
+/*
+ * If we reallocate the color-pair array, we have to adjust the fast-index.
+ */
+NCURSES_EXPORT(void)
+_nc_copy_pairs(SCREEN *sp, colorpair_t * target, colorpair_t * source, int length)
+{
+    int n;
+    for (n = 0; n < length; ++n) {
+	void *find = tfind(source + n, &sp->_ordered_pairs, compare_data);
+	if (find != 0) {
+	    tdelete(source + n, &sp->_ordered_pairs, compare_data);
+	    tsearch(target + n, &sp->_ordered_pairs, compare_data);
+	}
+    }
+}
+
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(alloc_pair) (NCURSES_SP_DCLx int fg, int bg)
+{
+    int pair;
+
+    T((T_CALLED("alloc_pair(%d,%d)"), fg, bg));
+    if (SP_PARM == 0) {
+	pair = -1;
+    } else if ((pair = _nc_find_color_pair(SP_PARM, fg, bg)) < 0) {
+	/*
+	 * Check if all of the slots have been used.  If not, find one and
+	 * use that.
+	 */
+	if (SP_PARM->_pairs_used + 1 < SP_PARM->_pair_limit) {
+	    bool found = FALSE;
+	    int hint = SP_PARM->_recent_pair;
+
+	    /*
+	     * The linear search is done to allow mixing calls to init_pair()
+	     * and alloc_pair().  The former can make gaps...
+	     */
+	    for (pair = hint + 1; pair < SP_PARM->_pair_alloc; pair++) {
+		if (SP_PARM->_color_pairs[pair].mode == cpFREE) {
+		    T(("found gap %d", pair));
+		    found = TRUE;
+		    break;
+		}
+	    }
+	    if (!found && (SP_PARM->_pair_alloc < SP_PARM->_pair_limit)) {
+		pair = SP_PARM->_pair_alloc;
+		ReservePairs(SP_PARM, pair);
+		if (SP_PARM->_color_pairs == 0) {
+		    pair = -1;
+		} else {
+		    found = TRUE;
+		}
+	    }
+	    if (!found) {
+		for (pair = 1; pair <= hint; pair++) {
+		    if (SP_PARM->_color_pairs[pair].mode == cpFREE) {
+			T(("found gap %d", pair));
+			found = TRUE;
+			break;
+		    }
+		}
+	    }
+	    if (found) {
+		SP_PARM->_recent_pair = pair;
+	    } else {
+		pair = ERR;
+	    }
+	} else {
+	    /* reuse the oldest one */
+	    pair = SP_PARM->_color_pairs[0].prev;
+	    T(("reusing %d", pair));
+	}
+
+	if (_nc_init_pair(SP_PARM, pair, fg, bg) == ERR)
+	    pair = ERR;
+    }
+    returnCode(pair);
+}
+
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(find_pair) (NCURSES_SP_DCLx int fg, int bg)
+{
+    int pair;
+
+    T((T_CALLED("find_pair(%d,%d)"), fg, bg));
+    pair = _nc_find_color_pair(SP_PARM, fg, bg);
+    returnCode(pair);
+}
+
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(free_pair) (NCURSES_SP_DCLx int pair)
+{
+    int result = ERR;
+    T((T_CALLED("free_pair(%d)"), pair));
+    if (ValidPair(SP_PARM, pair) && pair < SP_PARM->_pair_alloc) {
+	colorpair_t *cp = &(SP_PARM->_color_pairs[pair]);
+	if (pair != 0) {
+	    _nc_change_pair(SP_PARM, pair);
+	    delink_color_pair(SP_PARM, pair);
+	    tdelete(cp, &SP_PARM->_ordered_pairs, compare_data);
+	    cp->mode = cpFREE;
+	    result = OK;
+	    SP_PARM->_pairs_used--;
+	}
+    }
+    returnCode(result);
+}
+
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+alloc_pair(int f, int b)
+{
+    return NCURSES_SP_NAME(alloc_pair) (CURRENT_SCREEN, f, b);
+}
+
+NCURSES_EXPORT(int)
+find_pair(int f, int b)
+{
+    return NCURSES_SP_NAME(find_pair) (CURRENT_SCREEN, f, b);
+}
+
+NCURSES_EXPORT(int)
+free_pair(int pair)
+{
+    return NCURSES_SP_NAME(free_pair) (CURRENT_SCREEN, pair);
+}
+#endif
+
+#if NO_LEAKS
+NCURSES_EXPORT(void)
+_nc_new_pair_leaks(SCREEN *sp)
+{
+    if (sp->_color_pairs) {
+	while (sp->_color_pairs[0].next) {
+	    free_pair(sp->_color_pairs[0].next);
+	}
+    }
+}
+#endif
+
+#else
+void _nc_new_pair(void);
+void
+_nc_new_pair(void)
+{
+}
+#endif /* NCURSES_EXT_COLORS */
diff --git a/ncurses/base/resizeterm.c b/ncurses/base/resizeterm.c
index 03d52a448b09..c99109a69dff 100644
--- a/ncurses/base/resizeterm.c
+++ b/ncurses/base/resizeterm.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2011 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2015,2016 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -45,7 +45,7 @@
 #define CUR SP_TERMTYPE
 #endif
 
-MODULE_ID("$Id: resizeterm.c,v 1.45 2012/07/07 17:07:23 tom Exp $")
+MODULE_ID("$Id: resizeterm.c,v 1.49 2016/05/28 23:11:26 tom Exp $")
 
 /*
  * If we're trying to be reentrant, do not want any local statics.
@@ -62,6 +62,12 @@ static int current_cols;
 #define EXTRA_DCLS		/* nothing */
 #endif
 
+#if NCURSES_SP_FUNCS && !defined(USE_SP_WINDOWLIST)
+#define UNUSED_SP  (void) sp
+#else
+#define UNUSED_SP		/* nothing */
+#endif
+
 #ifdef TRACE
 static void
 show_window_sizes(const char *name)
@@ -140,9 +146,10 @@ static int
 ripped_bottom(WINDOW *win)
 {
     int result = 0;
-    ripoff_t *rop;
 
     if (win != 0) {
+	ripoff_t *rop;
+
 #ifdef USE_SP_RIPOFF
 	SCREEN *sp = _nc_screen_of(win);
 #endif
@@ -276,6 +283,7 @@ decrease_size(NCURSES_SP_DCLx int ToLines, int ToCols, int stolen EXTRA_DCLS)
     WINDOWLIST *wp;
 
     T((T_CALLED("decrease_size(%p, %d, %d)"), (void *) SP_PARM, ToLines, ToCols));
+    UNUSED_SP;
 
     do {
 	found = FALSE;
@@ -310,6 +318,7 @@ increase_size(NCURSES_SP_DCLx int ToLines, int ToCols, int stolen EXTRA_DCLS)
     WINDOWLIST *wp;
 
     T((T_CALLED("increase_size(%p, %d, %d)"), (void *) SP_PARM, ToLines, ToCols));
+    UNUSED_SP;
 
     do {
 	found = FALSE;
@@ -347,7 +356,7 @@ NCURSES_SP_NAME(resize_term) (NCURSES_SP_DCLx int ToLines, int ToCols)
        (SP_PARM == 0) ? -1 : screen_lines(SP_PARM),
        (SP_PARM == 0) ? -1 : screen_columns(SP_PARM)));
 
-    if (SP_PARM == 0) {
+    if (SP_PARM == 0 || ToLines <= 0 || ToCols <= 0) {
 	returnCode(ERR);
     }
 
@@ -397,7 +406,7 @@ NCURSES_SP_NAME(resize_term) (NCURSES_SP_DCLx int ToLines, int ToCols)
 	    screen_columns(SP_PARM) = (NCURSES_SIZE_T) ToCols;
 
 #ifdef USE_TERM_DRIVER
-	    CallDriver_2(SP_PARM, setsize, ToLines, ToCols);
+	    CallDriver_2(SP_PARM, td_setsize, ToLines, ToCols);
 #else
 	    lines = (NCURSES_SIZE_T) ToLines;
 	    columns = (NCURSES_SIZE_T) ToCols;
@@ -440,7 +449,7 @@ NCURSES_SP_NAME(resize_term) (NCURSES_SP_DCLx int ToLines, int ToCols)
 NCURSES_EXPORT(int)
 resize_term(int ToLines, int ToCols)
 {
-    int res = ERR;
+    int res;
     _nc_sp_lock_global(curses);
     res = NCURSES_SP_NAME(resize_term) (CURRENT_SCREEN, ToLines, ToCols);
     _nc_sp_unlock_global(curses);
@@ -466,7 +475,7 @@ NCURSES_SP_NAME(resizeterm) (NCURSES_SP_DCLx int ToLines, int ToCols)
        (SP_PARM == 0) ? -1 : screen_lines(SP_PARM),
        (SP_PARM == 0) ? -1 : screen_columns(SP_PARM)));
 
-    if (SP_PARM != 0) {
+    if (SP_PARM != 0 && ToLines > 0 && ToCols > 0) {
 	result = OK;
 	SP_PARM->_sig_winch = FALSE;
 
diff --git a/ncurses/base/safe_sprintf.c b/ncurses/base/safe_sprintf.c
index 34abd2f8cf47..e41da4ac27d1 100644
--- a/ncurses/base/safe_sprintf.c
+++ b/ncurses/base/safe_sprintf.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2013,2018 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -33,7 +33,7 @@
 #include <curses.priv.h>
 #include <ctype.h>
 
-MODULE_ID("$Id: safe_sprintf.c,v 1.27 2013/01/20 01:04:32 tom Exp $")
+MODULE_ID("$Id: safe_sprintf.c,v 1.32 2018/12/15 22:26:38 tom Exp $")
 
 #if USE_SAFE_SPRINTF
 
@@ -41,7 +41,7 @@ typedef enum {
     Flags, Width, Prec, Type, Format
 } PRINTF;
 
-#define VA_INTGR(type) ival = va_arg(ap, type)
+#define VA_INTGR(type) ival = (int) va_arg(ap, type)
 #define VA_FLOAT(type) fval = va_arg(ap, type)
 #define VA_POINT(type) pval = (void *)va_arg(ap, type)
 
@@ -157,9 +157,9 @@ _nc_printf_length(const char *fmt, va_list ap)
 		    case 's':
 			VA_POINT(char *);
 			if (prec < 0)
-			    prec = strlen(pval);
+			    prec = (int) strlen(pval);
 			if (prec > (int) length) {
-			    length = length + prec;
+			    length = length + (size_t) prec;
 			    buffer = typeRealloc(char, length, buffer);
 			    if (buffer == 0) {
 				free(format);
@@ -224,7 +224,7 @@ NCURSES_SP_NAME(_nc_printf_string) (NCURSES_SP_DCLx
 {
     char *result = 0;
 
-    if (fmt != 0) {
+    if (SP_PARM != 0 && fmt != 0) {
 #if USE_SAFE_SPRINTF
 	va_list ap2;
 	int len;
@@ -234,7 +234,7 @@ NCURSES_SP_NAME(_nc_printf_string) (NCURSES_SP_DCLx
 	end_va_copy(ap2);
 
 	if ((int) my_length < len + 1) {
-	    my_length = 2 * (len + 1);
+	    my_length = (size_t) (2 * (len + 1));
 	    my_buffer = typeRealloc(char, my_length, my_buffer);
 	}
 	if (my_buffer != 0) {
@@ -259,9 +259,9 @@ NCURSES_SP_NAME(_nc_printf_string) (NCURSES_SP_DCLx
 
 	if (my_buffer != 0) {
 # if HAVE_VSNPRINTF
-	    vsnprintf(my_buffer, my_length, fmt, ap);	/* GNU extension */
+	    vsnprintf(my_buffer, my_length, fmt, ap);	/* SUSv2, 1997 */
 # else
-	    vsprintf(my_buffer, fmt, ap);	/* ANSI */
+	    vsprintf(my_buffer, fmt, ap);	/* ISO/ANSI C, 1989 */
 # endif
 	    result = my_buffer;
 	}
diff --git a/ncurses/base/use_window.c b/ncurses/base/use_window.c
index 8eb733919848..c3a5b7237e61 100644
--- a/ncurses/base/use_window.c
+++ b/ncurses/base/use_window.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2007-2008,2009 Free Software Foundation, Inc.              *
+ * Copyright (c) 2007-2016,2018 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -32,14 +32,19 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: use_window.c,v 1.9 2009/10/24 22:40:24 tom Exp $")
+MODULE_ID("$Id: use_window.c,v 1.12 2018/12/15 23:53:20 tom Exp $")
 
 NCURSES_EXPORT(int)
 use_window(WINDOW *win, NCURSES_WINDOW_CB func, void *data)
 {
     int code = OK;
+    TR_FUNC_BFR(1);
+
+    T((T_CALLED("use_window(%p,%s,%p)"),
+       (void *) win,
+       TR_FUNC_ARG(0, func),
+       data));
 
-    T((T_CALLED("use_window(%p,%p,%p)"), (void *) win, func, data));
     _nc_lock_global(curses);
     code = func(win, data);
     _nc_unlock_global(curses);
diff --git a/ncurses/base/wresize.c b/ncurses/base/wresize.c
index bc6b5732ea41..ee0594034d37 100644
--- a/ncurses/base/wresize.c
+++ b/ncurses/base/wresize.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2010,2011 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2011,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -33,13 +33,13 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: wresize.c,v 1.35 2011/05/21 18:55:07 tom Exp $")
+MODULE_ID("$Id: wresize.c,v 1.38 2019/05/11 20:15:15 tom Exp $")
 
 static int
 cleanup_lines(struct ldat *data, int length)
 {
     while (--length >= 0)
-	free(data[length].text);
+	FreeAndNull(data[length].text);
     free(data);
     return ERR;
 }
@@ -65,15 +65,29 @@ repair_subwindows(WINDOW *cmp)
 
 	if (tst->_parent == cmp) {
 
-	    if (tst->_pary > cmp->_maxy)
-		tst->_pary = cmp->_maxy;
-	    if (tst->_parx > cmp->_maxx)
-		tst->_parx = cmp->_maxx;
+#define REPAIR1(field, limit) \
+	    if (tst->field > cmp->limit) \
+		tst->field = cmp->limit
 
-	    if (tst->_maxy + tst->_pary > cmp->_maxy)
-		tst->_maxy = (NCURSES_SIZE_T) (cmp->_maxy - tst->_pary);
-	    if (tst->_maxx + tst->_parx > cmp->_maxx)
-		tst->_maxx = (NCURSES_SIZE_T) (cmp->_maxx - tst->_parx);
+	    REPAIR1(_pary, _maxy);
+	    REPAIR1(_parx, _maxx);
+
+#define REPAIR2(field, limit) \
+	    if (tst->limit + tst->field > cmp->limit) \
+		tst->limit = (NCURSES_SIZE_T) (cmp->limit - tst->field)
+
+	    REPAIR2(_pary, _maxy);
+	    REPAIR2(_parx, _maxx);
+
+#define REPAIR3(field, limit) \
+	    if (tst->field > tst->limit) \
+		tst->field = tst->limit
+
+	    REPAIR3(_cury, _maxy);
+	    REPAIR3(_curx, _maxx);
+
+	    REPAIR3(_regtop, _maxy);
+	    REPAIR3(_regbottom, _maxy);
 
 	    for (row = 0; row <= tst->_maxy; ++row) {
 		tst->_line[row].text = &pline[tst->_pary + row].text[tst->_parx];
@@ -204,16 +218,16 @@ wresize(WINDOW *win, int ToLines, int ToCols)
     if (!(win->_flags & _SUBWIN)) {
 	if (ToCols == size_x) {
 	    for (row = ToLines + 1; row <= size_y; row++) {
-		free(win->_line[row].text);
+		FreeAndNull(win->_line[row].text);
 	    }
 	} else {
 	    for (row = 0; row <= size_y; row++) {
-		free(win->_line[row].text);
+		FreeAndNull(win->_line[row].text);
 	    }
 	}
     }
 
-    free(win->_line);
+    FreeAndNull(win->_line);
     win->_line = new_lines;
 
     /*
diff --git a/ncurses/build.priv.h b/ncurses/build.priv.h
index 096a4431bc1e..b175faf781c7 100644
--- a/ncurses/build.priv.h
+++ b/ncurses/build.priv.h
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2010,2012 Free Software Foundation, Inc.                   *
+ * Copyright (c) 2010-2019,2020 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -31,11 +31,11 @@
  ****************************************************************************/
 
 /*
- * $Id: build.priv.h,v 1.9 2012/02/22 22:17:02 tom Exp $
+ * $Id: build.priv.h,v 1.11 2020/01/18 17:03:32 tom Exp $
  *
  *	build.priv.h
  *
- *	This is a reduced version of curses.priv.h, for build-time utilties.
+ *	This is a reduced version of curses.priv.h, for build-time utilities.
  *	Because it has fewer dependencies, this simplifies cross-compiling.
  *
  */
@@ -54,7 +54,7 @@ extern "C" {
 #if USE_RCS_IDS
 #define MODULE_ID(id) static const char Ident[] = id;
 #else
-#define MODULE_ID(id) /*nothing*/
+#define MODULE_ID(id)		/*nothing */
 #endif
 
 #include <stdlib.h>
@@ -66,7 +66,7 @@ extern "C" {
 
 #include <errno.h>
 
-#include <curses.h>	/* we'll use -Ipath directive to get the right one! */
+#include <curses.h>		/* we'll use -Ipath directive to get the right one! */
 
 /* usually in <unistd.h> */
 #ifndef EXIT_SUCCESS
@@ -77,7 +77,7 @@ extern "C" {
 #define EXIT_FAILURE 1
 #endif
 
-#define FreeAndNull(p)   free(p); p = 0
+#define FreeAndNull(p)   do { free(p); p = 0; } while (0)
 #define UChar(c)         ((unsigned char)(c))
 #define SIZEOF(v)        (sizeof(v) / sizeof(v[0]))
 
@@ -89,20 +89,19 @@ extern "C" {
 #define NCURSES_ARRAY(name) \
 	NCURSES_WRAPPED_VAR(NCURSES_CONST char * const *, name)
 
-NCURSES_ARRAY(boolnames);
-NCURSES_ARRAY(boolfnames);
-NCURSES_ARRAY(numnames);
-NCURSES_ARRAY(numfnames);
-NCURSES_ARRAY(strnames);
-NCURSES_ARRAY(strfnames);
+    NCURSES_ARRAY(boolnames);
+    NCURSES_ARRAY(boolfnames);
+    NCURSES_ARRAY(numnames);
+    NCURSES_ARRAY(numfnames);
+    NCURSES_ARRAY(strnames);
+    NCURSES_ARRAY(strfnames);
 #endif
 
 #if NO_LEAKS
-NCURSES_EXPORT(void) _nc_names_leaks(void);
+    NCURSES_EXPORT(void) _nc_names_leaks(void);
 #endif
 
 #ifdef __cplusplus
 }
 #endif
-
-#endif /* CURSES_PRIV_H */
+#endif				/* CURSES_PRIV_H */
diff --git a/ncurses/curses.priv.h b/ncurses/curses.priv.h
index 7deffad5ea68..2c0ef2122790 100644
--- a/ncurses/curses.priv.h
+++ b/ncurses/curses.priv.h
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2013,2014 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -34,7 +34,7 @@
  ****************************************************************************/
 
 /*
- * $Id: curses.priv.h,v 1.530 2014/02/01 22:09:27 tom Exp $
+ * $Id: curses.priv.h,v 1.627 2019/12/14 22:36:12 tom Exp $
  *
  *	curses.priv.h
  *
@@ -71,7 +71,7 @@ extern "C" {
 #include <unistd.h>
 #endif
 
-#if HAVE_SYS_BSDTYPES_H
+#if HAVE_SYS_BSDTYPES_H && !(defined(_WIN32) || defined(_WIN64))
 #include <sys/bsdtypes.h>	/* needed for ISC */
 #endif
 
@@ -180,6 +180,18 @@ extern int errno;
 #endif
 
 /*
+ * When building in the MSYS2 environment, the automatic discovery of
+ * the path separator in configure doesn't work properly. So, if building
+ * for MinGW, we enforce the correct Windows PATH separator
+ */
+#ifdef _WIN32
+#  ifdef NCURSES_PATHSEP
+#    undef NCURSES_PATHSEP
+#  endif
+#  define NCURSES_PATHSEP ';'
+#endif
+
+/*
  * If desired, one can configure this, disabling environment variables that
  * point to custom terminfo/termcap locations.
  */
@@ -228,6 +240,18 @@ extern NCURSES_EXPORT(void *) _nc_memmove (void *, const void *, size_t);
 #endif
 
 /*
+ * POSIX ignores the "b", which c89 specified.  Some very old systems do not
+ * accept it.
+ */
+#if USE_FOPEN_BIN_R
+#define BIN_R	"rb"
+#define BIN_W	"wb"
+#else
+#define BIN_R	"r"
+#define BIN_W	"w"
+#endif
+
+/*
  * Scroll hints are useless when hashmap is used
  */
 #if !USE_SCROLL_HINTS
@@ -302,7 +326,7 @@ typedef TRIES {
 #undef _XOPEN_SOURCE_EXTENDED
 #undef _XPG5
 #define _nc_bkgd    _bkgd
-#define wgetbkgrnd(win, wch)	*wch = win->_bkgd
+#define wgetbkgrnd(win, wch)	((*wch = win->_bkgd) != 0 ? OK : ERR)
 #define wbkgrnd	    wbkgd
 #endif
 
@@ -314,12 +338,21 @@ typedef TRIES {
 
 typedef struct
 {
-    NCURSES_COLOR_T red, green, blue;	/* what color_content() returns */
-    NCURSES_COLOR_T r, g, b;		/* params to init_color() */
+    int red, green, blue;	/* what color_content() returns */
+    int r, g, b;		/* params to init_color() */
     int init;			/* true if we called init_color() */
 }
 color_t;
 
+typedef union {
+    struct {
+	unsigned char red;
+	unsigned char green;
+	unsigned char blue;
+    } bits;			/* bits per color-value in RGB */
+    unsigned value;
+} rgb_bits_t;
+
 /*
  * If curses.h did not expose the SCREEN-functions, then we do not need the
  * parameter in the corresponding unextended functions.
@@ -346,6 +379,9 @@ color_t;
 
 #include <nc_panel.h>
 
+#include <term.h>
+#include <nc_termios.h>
+
 #define IsPreScreen(sp)      (((sp) != 0) && sp->_prescreen)
 #define HasTerminal(sp)      (((sp) != 0) && (0 != ((sp)->_term)))
 #define IsValidScreen(sp)    (HasTerminal(sp) && !IsPreScreen(sp))
@@ -362,8 +398,31 @@ color_t;
 #define TerminalOf(sp)       CurTerm
 #endif
 
-#include <term.h>
-#include <nc_termios.h>
+/*
+ * The legacy layout for TERMTYPE uses "short" for all of the numbers.  Moving
+ * past that, numeric capabilities can be "int" by using a TERMTYPE2 structure
+ * in TERMINAL, and doing most of the internal work using TERMTYPE2.  There are
+ * a few places (mostly to expose the legacy layout) where the distinction
+ * needs attention.
+ */
+#if NCURSES_EXT_COLORS && HAVE_INIT_EXTENDED_COLOR
+#define NCURSES_EXT_NUMBERS  1
+#define NCURSES_INT2         int
+#define SIZEOF_INT2          4
+#define TerminalType(tp)     (tp)->type2
+#else
+#define NCURSES_EXT_NUMBERS  0
+#define NCURSES_INT2         short
+#define SIZEOF_INT2          2
+#define TerminalType(tp)     (tp)->type
+#endif
+
+#define SIZEOF_SHORT         2
+
+#ifdef CUR
+#undef CUR
+#define CUR TerminalType(cur_term).
+#endif
 
 /*
  * Reduce dependency on cur_term global by using terminfo data from SCREEN's
@@ -373,7 +432,7 @@ color_t;
 #undef CUR
 #endif
 
-#define SP_TERMTYPE TerminalOf(sp)->type.
+#define SP_TERMTYPE TerminalType(TerminalOf(sp)).
 
 #include <term_entry.h>
 
@@ -382,10 +441,11 @@ color_t;
 /*
  * Simplify ifdef's for the "*_ATTR" macros in case italics are not configured.
  */
-#ifdef A_ITALIC
+#if defined(A_ITALIC) && defined(exit_italics_mode)
 #define USE_ITALIC 1
 #else
 #define USE_ITALIC 0
+#undef  A_ITALIC
 #define A_ITALIC 0
 #endif
 
@@ -394,7 +454,7 @@ color_t;
  * option for compiling the tracing into the library.
  */
 #if 1
-#define ColorPair(n)		NCURSES_BITS(n, 0)
+#define ColorPair(n)		(NCURSES_BITS(n, 0) & A_COLOR)
 #define PairNumber(a)		(NCURSES_CAST(int,(((unsigned long)(a) & A_COLOR) >> NCURSES_ATTR_SHIFT)))
 #else
 #define ColorPair(pair)		COLOR_PAIR(pair)
@@ -414,7 +474,7 @@ color_t;
 #define if_EXT_COLORS(stmt)	stmt
 #define SetPair(value,p)	SetPair2((value).ext_color, AttrOf(value), p)
 #define SetPair2(c,a,p)		c = (p), \
-				a = (unColor2(a) | (A_COLOR & (unsigned) ColorPair(oldColor(c))))
+				a = (unColor2(a) | ColorPair(oldColor(c)))
 #define GetPair(value)		GetPair2((value).ext_color, AttrOf(value))
 #define GetPair2(c,a)		((c) ? (c) : PairNumber(a))
 #define oldColor(p)		(((p) > 255) ? 255 : (p))
@@ -422,20 +482,27 @@ color_t;
 #define SET_WINDOW_PAIR(w,p)	(w)->_color = (p)
 #define SameAttrOf(a,b)		(AttrOf(a) == AttrOf(b) && GetPair(a) == GetPair(b))
 
-#define VIDATTR(sp,attr,pair)	NCURSES_SP_NAME(vid_puts)(NCURSES_SP_ARGx attr, (short) pair, 0, NCURSES_OUTC_FUNC)
+#define VIDPUTS(sp,attr,pair)	do { \
+				    int vid_pair = pair; \
+				    NCURSES_SP_NAME(vid_puts)( \
+					NCURSES_SP_ARGx attr, \
+					(NCURSES_PAIRS_T) pair, \
+					&vid_pair, \
+					NCURSES_OUTC_FUNC); \
+				} while (0)
 
 #else /* !NCURSES_EXT_COLORS */
 
 #define if_EXT_COLORS(stmt)	/* nothing */
 #define SetPair(value,p)	RemAttr(value, A_COLOR), \
-				SetAttr(value, AttrOf(value) | (A_COLOR & (attr_t) ColorPair(p)))
+				SetAttr(value, AttrOf(value) | ColorPair(p))
 #define GetPair(value)		PairNumber(AttrOf(value))
 #define GET_WINDOW_PAIR(w)	PairNumber(WINDOW_ATTRS(w))
 #define SET_WINDOW_PAIR(w,p)	WINDOW_ATTRS(w) &= ALL_BUT_COLOR, \
-				WINDOW_ATTRS(w) |= (A_COLOR & (attr_t) ColorPair(p))
+				WINDOW_ATTRS(w) |= ColorPair(p)
 #define SameAttrOf(a,b)		(AttrOf(a) == AttrOf(b))
 
-#define VIDATTR(sp,attr,pair)	NCURSES_SP_NAME(vidputs)(NCURSES_SP_ARGx attr, NCURSES_OUTC_FUNC)
+#define VIDPUTS(sp,attr,pair)	NCURSES_SP_NAME(vidputs)(NCURSES_SP_ARGx attr, NCURSES_OUTC_FUNC)
 
 #endif /* NCURSES_EXT_COLORS */
 
@@ -491,6 +558,8 @@ NCURSES_EXPORT(int *)        _nc_ptr_Escdelay (SCREEN *);
 
 #endif
 
+#define HasHardTabs()	(NonEmpty(clear_all_tabs) && NonEmpty(set_tab))
+
 #define TR_MUTEX(data) _tracef("%s@%d: me:%08lX COUNT:%2u/%2d/%6d/%2d/%s%9u: " #data, \
 	    __FILE__, __LINE__, \
 	    (unsigned long) (pthread_self()), \
@@ -549,7 +618,10 @@ weak_symbol(pthread_mutexattr_settype);
 weak_symbol(pthread_mutexattr_init);
 extern NCURSES_EXPORT(int) _nc_sigprocmask(int, const sigset_t *, sigset_t *);
 #    undef  sigprocmask
-#    define sigprocmask _nc_sigprocmask
+#    define sigprocmask(a, b, c) _nc_sigprocmask(a, b, c)
+#    define GetThreadID() (((pthread_self)) ? pthread_self() : (pthread_t) getpid())
+#  else
+#    define GetThreadID() pthread_self()
 #  endif
 #endif
 
@@ -569,7 +641,7 @@ weak_symbol(pthread_self);
 weak_symbol(pthread_equal);
 extern NCURSES_EXPORT(int) _nc_sigprocmask(int, const sigset_t *, sigset_t *);
 #    undef  sigprocmask
-#    define sigprocmask _nc_sigprocmask
+#    define sigprocmask(a, b, c) _nc_sigprocmask(a, b, c)
 #  endif
 #endif /* USE_PTHREADS_EINTR */
 
@@ -623,15 +695,13 @@ extern NCURSES_EXPORT(int) _nc_sigprocmask(int, const sigset_t *, sigset_t *);
 /*
  * Definitions for color pairs
  */
-typedef unsigned colorpair_t;	/* type big enough to store PAIR_OF() */
-#define C_SHIFT 9		/* we need more bits than there are colors */
-#define C_MASK			((1 << C_SHIFT) - 1)
-#define PAIR_OF(fg, bg)		(colorpair_t) ((((fg) & C_MASK) << C_SHIFT) | ((bg) & C_MASK))
-#define FORE_OF(c)		(((c) >> C_SHIFT) & C_MASK)
-#define BACK_OF(c)		((c) & C_MASK)
-#define isDefaultColor(c)	((c) >= COLOR_DEFAULT || (c) < 0)
 
-#define COLOR_DEFAULT		C_MASK
+#define MAX_OF_TYPE(t)   (int)(((unsigned t)(~0))>>1)
+
+#include <new_pair.h>
+
+#define isDefaultColor(c)	((c) < 0)
+#define COLOR_DEFAULT		-1
 
 #if defined(USE_BUILD_CC) || (defined(USE_TERMLIB) && !defined(NEED_NCURSES_CH_T))
 
@@ -664,6 +734,14 @@ typedef enum {
 #endif
 } MouseType;
 
+typedef enum {
+    	MF_X10 = 0		/* conventional 3-byte format */
+	, MF_SGR1006		/* xterm private mode 1006, SGR-style */
+#ifdef EXP_XTERM_1005
+	, MF_XTERM_1005		/* xterm UTF-8 private mode 1005 */
+#endif
+} MouseFormat;
+
 /*
  * Structures for scrolling.
  */
@@ -748,6 +826,16 @@ typedef struct {
 #define TGETENT_MAX 4
 
 /*
+ * When converting from terminfo to termcap, check for cases where we can trim
+ * octal escapes down to 2-character form.  It is useful for terminfo format
+ * also, but not as important.
+ */
+#define MAX_TC_FIXUPS	10
+#define MIN_TC_FIXUPS	4
+
+#define isoctal(c) ((c) >= '0' && (c) <= '7')
+
+/*
  * State of tparm().
  */
 #define STACKSIZE 20
@@ -763,9 +851,6 @@ typedef struct {
 #define NUM_VARS 26
 
 typedef struct {
-#ifdef TRACE
-	const char	*tname;
-#endif
 	const char	*tparam_base;
 
 	STACK_FRAME	stack[STACKSIZE];
@@ -780,6 +865,9 @@ typedef struct {
 
 	int		dynamic_var[NUM_VARS];
 	int		static_vars[NUM_VARS];
+#ifdef TRACE
+	const char	*tname;
+#endif
 } TPARM_STATE;
 
 typedef struct {
@@ -849,6 +937,8 @@ typedef struct {
 
 	int		slk_format;
 
+	int		getstr_limit;	/* getstr_limit based on POSIX LINE_MAX */
+
 	char		*safeprint_buf;
 	size_t		safeprint_used;
 
@@ -862,6 +952,10 @@ typedef struct {
 	time_t		dbd_time;	/* cache last updated */
 	ITERATOR_VARS	dbd_vars[dbdLAST];
 
+#ifdef USE_TERM_DRIVER
+	int		(*term_driver)(struct DriverTCB*, const char*, int*);
+#endif
+
 #ifndef USE_SP_WINDOWLIST
 	WINDOWLIST	*_nc_windowlist;
 #define WindowList(sp)	_nc_globals._nc_windowlist
@@ -876,15 +970,30 @@ typedef struct {
 	int		safeprint_rows;
 #endif
 
-#ifdef USE_TERM_DRIVER
-	int		(*term_driver)(struct DriverTCB*, const char*, int*);
+#ifdef USE_PTHREADS
+	pthread_mutex_t	mutex_curses;
+	pthread_mutex_t	mutex_prescreen;
+	pthread_mutex_t	mutex_screen;
+	pthread_mutex_t	mutex_update;
+	pthread_mutex_t	mutex_tst_tracef;
+	pthread_mutex_t	mutex_tracef;
+	int		nested_tracef;
+	int		use_pthreads;
+#define _nc_use_pthreads	_nc_globals.use_pthreads
+#if USE_PTHREADS_EINTR
+	pthread_t	read_thread;		/* The reading thread */
+#endif
+#endif
+#if USE_WIDEC_SUPPORT
+	char		key_name[MB_LEN_MAX + 1];
 #endif
 
 #ifdef TRACE
-	bool		init_trace;
+	bool		trace_opened;
 	char		trace_fname[PATH_MAX];
 	int		trace_level;
 	FILE		*trace_fp;
+	int		trace_fd;
 
 	char		*tracearg_buf;
 	size_t		tracearg_used;
@@ -908,16 +1017,8 @@ typedef struct {
 #endif
 #endif	/* TRACE */
 
-#ifdef USE_PTHREADS
-	pthread_mutex_t	mutex_curses;
-	pthread_mutex_t	mutex_tst_tracef;
-	pthread_mutex_t	mutex_tracef;
-	int		nested_tracef;
-	int		use_pthreads;
-#define _nc_use_pthreads	_nc_globals.use_pthreads
-#endif
-#if USE_PTHREADS_EINTR
-	pthread_t	read_thread;		/* The reading thread */
+#if NO_LEAKS
+	bool		leak_checking;
 #endif
 } NCURSES_GLOBALS;
 
@@ -925,24 +1026,47 @@ extern NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals;
 
 #define N_RIPS 5
 
+/* The limit reserves one byte for a terminating NUL */
+#define my_getstr_limit	(_nc_globals.getstr_limit - 1)
+#define _nc_getstr_limit(n) \
+	(((n) < 0) \
+	 ? my_getstr_limit \
+	 : (((n) > my_getstr_limit) \
+	    ? my_getstr_limit \
+	    : (n)))
+
+#ifdef USE_PTHREADS
+typedef struct _prescreen_list {
+	struct _prescreen_list *next;
+	pthread_t id;
+	struct screen *sp;
+} PRESCREEN_LIST;
+#endif
+
 /*
  * Global data which can be swept up into a SCREEN when one is created.
  * It may be modified before the next SCREEN is created.
  */
 typedef struct {
+#ifdef USE_PTHREADS
+	PRESCREEN_LIST *allocated;
+#else
+	struct screen * allocated;
+#endif
 	bool		use_env;
 	bool		filter_mode;
 	attr_t		previous_attr;
+	TPARM_STATE	tparm_state;
+	TTY		*saved_tty;	/* savetty/resetty information	    */
+	bool		use_tioctl;
+	NCURSES_SP_OUTC	_outch;		/* output handler if not putc */
 #ifndef USE_SP_RIPOFF
 	ripoff_t	rippedoff[N_RIPS];
 	ripoff_t	*rsp;
 #endif
-	TPARM_STATE	tparm_state;
-	TTY		*saved_tty;	/* savetty/resetty information	    */
 #if NCURSES_NO_PADDING
 	bool		_no_padding;	/* flag to set if padding disabled  */
 #endif
-	NCURSES_SP_OUTC	_outch;		/* output handler if not putc */
 #if BROKEN_LINKER || USE_REENTRANT
 	chtype		*real_acs_map;
 	int		_LINES;
@@ -950,12 +1074,13 @@ typedef struct {
 	int		_TABSIZE;
 	int		_ESCDELAY;
 	TERMINAL	*_cur_term;
+#endif
 #ifdef TRACE
+#if BROKEN_LINKER || USE_REENTRANT
 	long		_outchars;
 	const char	*_tputs_trace;
 #endif
 #endif
-	bool		use_tioctl;
 } NCURSES_PRESCREEN;
 
 /*
@@ -971,6 +1096,12 @@ typedef struct {
 
 extern NCURSES_EXPORT_VAR(NCURSES_PRESCREEN) _nc_prescreen;
 
+typedef enum {
+    ewInitial = 0,
+    ewRunning,
+    ewSuspend
+} ENDWIN;
+
 /*
  * The SCREEN structure.
  */
@@ -1031,18 +1162,11 @@ struct screen {
 	struct _SLK	*_slk;		/* ptr to soft key struct / NULL    */
 	int		slk_format;	/* selected format for this screen  */
 	/* cursor movement costs; units are 10ths of milliseconds */
-#if NCURSES_NO_PADDING
-	bool		_no_padding;	/* flag to set if padding disabled  */
-#endif
 	int		_char_padding;	/* cost of character put	    */
 	int		_cr_cost;	/* cost of (carriage_return)	    */
 	int		_cup_cost;	/* cost of (cursor_address)	    */
 	int		_home_cost;	/* cost of (cursor_home)	    */
 	int		_ll_cost;	/* cost of (cursor_to_ll)	    */
-#if USE_HARD_TABS
-	int		_ht_cost;	/* cost of (tab)		    */
-	int		_cbt_cost;	/* cost of (backtab)		    */
-#endif /* USE_HARD_TABS */
 	int		_cub1_cost;	/* cost of (cursor_left)	    */
 	int		_cuf1_cost;	/* cost of (cursor_right)	    */
 	int		_cud1_cost;	/* cost of (cursor_down)	    */
@@ -1076,19 +1200,13 @@ struct screen {
 	int		_scrolling;	/* 1 if terminal's smart enough to  */
 
 	/* used in lib_color.c */
+	rgb_bits_t	_direct_color;	/* RGB overrides color-table	     */
 	color_t		*_color_table;	/* screen's color palette	     */
 	int		_color_count;	/* count of colors in palette	     */
 	colorpair_t	*_color_pairs;	/* screen's color pair list	     */
-	int		_pair_count;	/* count of color pairs		     */
+	int		_pair_count;	/* same as COLOR_PAIRS               */
 	int		_pair_limit;	/* actual limit of color-pairs       */
-#if NCURSES_EXT_FUNCS
-	bool		_assumed_color; /* use assumed colors		     */
-	bool		_default_color; /* use default colors		     */
-	bool		_has_sgr_39_49; /* has ECMA default color support    */
-	int		_default_fg;	/* assumed default foreground	     */
-	int		_default_bg;	/* assumed default background	     */
-	int		_default_pairs;	/* count pairs using default color   */
-#endif
+	int		_pair_alloc;	/* current table-size of color-pairs */
 	chtype		_ok_attributes; /* valid attributes for terminal     */
 	chtype		_xmc_suppress;	/* attributes to suppress if xmc     */
 	chtype		_xmc_triggers;	/* attributes to process if xmc	     */
@@ -1099,13 +1217,6 @@ struct screen {
 	/* used in lib_vidattr.c */
 	bool		_use_rmso;	/* true if we may use 'rmso'	     */
 	bool		_use_rmul;	/* true if we may use 'rmul'	     */
-#if USE_ITALIC
-	bool		_use_ritm;	/* true if we may use 'ritm'	     */
-#endif
-
-#if USE_KLIBC_KBD
-	bool		_extended_key;	/* true if an extended key	     */
-#endif
 
 	/*
 	 * These data correspond to the state of the idcok() and idlok()
@@ -1133,10 +1244,65 @@ struct screen {
 	mmask_t		_mouse_mask;	/* set via mousemask() */
 	mmask_t		_mouse_mask2;	/* OR's in press/release bits */
 	mmask_t		_mouse_bstate;
+	MouseFormat	_mouse_format;	/* type of xterm mouse protocol */
 	NCURSES_CONST char *_mouse_xtermcap; /* string to enable/disable mouse */
 	MEVENT		_mouse_events[EV_MAX];	/* hold the last mouse event seen */
 	MEVENT		*_mouse_eventp;	/* next free slot in event queue */
 
+	/*
+	 * These are data that support the proper handling of the panel stack on an
+	 * per screen basis.
+	 */
+	struct panelhook _panelHook;
+
+	bool		_sig_winch;
+	SCREEN		*_next_screen;
+
+	/* hashes for old and new lines */
+	unsigned long	*oldhash, *newhash;
+	HASHMAP		*hashtab;
+	int		hashtab_len;
+	int		*_oldnum_list;
+	int		_oldnum_size;
+
+	NCURSES_SP_OUTC	_outch;		/* output handler if not putc */
+	NCURSES_OUTC	jump;
+
+	ripoff_t	rippedoff[N_RIPS];
+	ripoff_t	*rsp;
+
+	int		_legacy_coding;	/* see use_legacy_coding() */
+
+#if NCURSES_NO_PADDING
+	bool		_no_padding;	/* flag to set if padding disabled  */
+#endif
+
+#if USE_HARD_TABS
+	int		_ht_cost;	/* cost of (tab)		    */
+	int		_cbt_cost;	/* cost of (backtab)		    */
+#endif /* USE_HARD_TABS */
+
+	/* used in lib_vidattr.c */
+#if USE_ITALIC
+	bool		_use_ritm;	/* true if we may use 'ritm'	     */
+#endif
+
+	/* used in getch/twait */
+#if USE_KLIBC_KBD
+	bool		_extended_key;	/* true if an extended key	     */
+#endif
+
+	/* used in lib_color.c */
+#if NCURSES_EXT_FUNCS
+	bool		_assumed_color; /* use assumed colors		     */
+	bool		_default_color; /* use default colors		     */
+	bool		_has_sgr_39_49; /* has ECMA default color support    */
+	int		_default_fg;	/* assumed default foreground	     */
+	int		_default_bg;	/* assumed default background	     */
+	int		_default_pairs;	/* count pairs using default color   */
+#endif
+
+	/* system-dependent mouse data */
 #if USE_GPM_SUPPORT
 	bool		_mouse_gpm_loaded;
 	bool		_mouse_gpm_found;
@@ -1182,25 +1348,10 @@ struct screen {
 	int		(*_ungetch)(SCREEN *, int);
 #endif
 
-	/*
-	 * These are data that support the proper handling of the panel stack on an
-	 * per screen basis.
-	 */
-	struct panelhook _panelHook;
-
-	bool		_sig_winch;
-	SCREEN		*_next_screen;
-
-	/* hashes for old and new lines */
-	unsigned long	*oldhash, *newhash;
-	HASHMAP		*hashtab;
-	int		hashtab_len;
-	int		*_oldnum_list;
-	int		_oldnum_size;
-
-	NCURSES_SP_OUTC	_outch;		/* output handler if not putc */
-
-	int		_legacy_coding;	/* see use_legacy_coding() */
+#ifdef USE_SP_WINDOWLIST
+	WINDOWLIST*	_windowlist;
+#define WindowList(sp)  (sp)->_windowlist
+#endif
 
 #if USE_REENTRANT
 	char		_ttytype[NAMESIZE];
@@ -1208,24 +1359,11 @@ struct screen {
 	int		_TABSIZE;
 	int		_LINES;
 	int		_COLS;
-#ifdef TRACE
-	long		_outchars;
-	const char	*_tputs_trace;
-#endif
 #endif
 
-#ifdef TRACE
-	char		tracechr_buf[40];
-	char		tracemse_buf[TRACEMSE_MAX];
-#endif
-#ifdef USE_SP_WINDOWLIST
-	WINDOWLIST*	_windowlist;
-#define WindowList(sp)  (sp)->_windowlist
+#if NCURSES_SP_FUNCS
+	bool		use_tioctl;
 #endif
-	NCURSES_OUTC	jump;
-
-	ripoff_t	rippedoff[N_RIPS];
-	ripoff_t	*rsp;
 
 	/*
 	 * ncurses/ncursesw are the same up to this point.
@@ -1238,7 +1376,20 @@ struct screen {
 	bool		_screen_unicode;
 #endif
 
-	bool		_use_tioctl;
+#if NCURSES_EXT_FUNCS && NCURSES_EXT_COLORS
+	void		*_ordered_pairs; /* index used by alloc_pair()	     */
+	int		_pairs_used;	/* actual number of color-pairs used */
+	int		_recent_pair;	/* number for most recent free-pair  */
+#endif
+
+#ifdef TRACE
+	char		tracechr_buf[40];
+	char		tracemse_buf[TRACEMSE_MAX];
+#if USE_REENTRANT
+	long		_outchars;
+	const char	*_tputs_trace;
+#endif
+#endif
 };
 
 extern NCURSES_EXPORT_VAR(SCREEN *) _nc_screen_chain;
@@ -1258,6 +1409,12 @@ extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch;
 
 #define WINDOW_EXT(w,m) (((WINDOWLIST *)((void *)((char *)(w) - offsetof(WINDOWLIST, win))))->m)
 
+#ifdef USE_SP_WINDOWLIST
+#define SP_INIT_WINDOWLIST(sp)	WindowList(sp) = 0
+#else
+#define SP_INIT_WINDOWLIST(sp)	/* nothing */
+#endif
+
 #define SP_PRE_INIT(sp)                         \
     sp->_cursrow = -1;                          \
     sp->_curscol = -1;                          \
@@ -1266,9 +1423,9 @@ extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch;
     sp->_cbreak = 0;                            \
     sp->_echo = TRUE;                           \
     sp->_fifohead = -1;                         \
-    sp->_endwin = TRUE;                         \
+    sp->_endwin = ewSuspend;                    \
     sp->_cursor = -1;                           \
-    WindowList(sp) = 0;                         \
+    SP_INIT_WINDOWLIST(sp);                     \
     sp->_outch = NCURSES_OUTC_FUNC;             \
     sp->jump = 0                                \
 
@@ -1350,6 +1507,8 @@ extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch;
 #define ChCharOf(c)	((chtype)(c) & (chtype)A_CHARTEXT)
 #define ChAttrOf(c)	((chtype)(c) & (chtype)A_ATTRIBUTES)
 
+#define TR_PUTC(c)	TR(TRACE_CHARPUT, ("PUTC %#x", UChar(c)))
+
 #ifndef MB_LEN_MAX
 #define MB_LEN_MAX 8 /* should be >= MB_CUR_MAX, but that may be a function */
 #endif
@@ -1384,6 +1543,8 @@ extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch;
 		       && (a).chars[3] == (b).chars[3] \
 		       && (a).chars[4] == (b).chars[4] \
 			if_EXT_COLORS(&& (a).ext_color == (b).ext_color))
+#elif CCHARW_MAX > 0
+#error Inconsistent values for CCHARW_MAX
 #else
 #define CharEq(a,b)	(!memcmp(&(a), &(b), sizeof(a)))
 #endif
@@ -1404,23 +1565,27 @@ extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch;
 #define PUTC_INIT	init_mb (PUT_st)
 #define PUTC(ch)	do { if(!isWidecExt(ch)) {				    \
 			if (Charable(ch)) {					    \
-			    NCURSES_OUTC_FUNC (NCURSES_SP_ARGx CharOf(ch)); \
+			    TR_PUTC(CharOf(ch));				    \
+			    NCURSES_OUTC_FUNC (NCURSES_SP_ARGx CharOf(ch));	    \
 			    COUNT_OUTCHARS(1);					    \
 			} else {						    \
-			    PUTC_INIT;						    \
 			    for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) {	    \
 				PUTC_ch = (ch).chars[PUTC_i];			    \
 				if (PUTC_ch == L'\0')				    \
 				    break;					    \
+				PUTC_INIT;					    \
 				PUTC_n = (int) wcrtomb(PUTC_buf,		    \
 						       (ch).chars[PUTC_i], &PUT_st); \
 				if (PUTC_n <= 0) {				    \
-				    if (PUTC_ch && is8bits(PUTC_ch) && PUTC_i == 0) \
+				    if (PUTC_ch && is8bits(PUTC_ch) && PUTC_i == 0) { \
+					TR_PUTC(CharOf(ch));			    \
 					NCURSES_OUTC_FUNC (NCURSES_SP_ARGx CharOf(ch)); \
+				    }						    \
 				    break;					    \
 				} else {					    \
 				    int PUTC_j;					    \
 				    for (PUTC_j = 0; PUTC_j < PUTC_n; ++PUTC_j) {   \
+					TR_PUTC(PUTC_buf[PUTC_j]);		    \
 					NCURSES_OUTC_FUNC (NCURSES_SP_ARGx PUTC_buf[PUTC_j]); \
 				    }						    \
 				}						    \
@@ -1446,11 +1611,11 @@ extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch;
 				AttrOf(dst) |= (attr_t) (ext + 1)
 
 #define if_WIDEC(code)  code
-#define Charable(ch)	((SP_PARM->_legacy_coding)			\
+#define Charable(ch)	(((SP_PARM->_legacy_coding)			\
 			 || (AttrOf(ch) & A_ALTCHARSET)			\
-			 || (!isWidecExt(ch) &&				\
+			 || (!isWidecExt(ch))) &&			\
 			     (ch).chars[1] == L'\0' &&			\
-			     _nc_is_charable(CharOf(ch))))
+			     _nc_is_charable(CharOf(ch)))
 
 #define L(ch)		L ## ch
 #else /* }{ */
@@ -1468,7 +1633,10 @@ extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch;
 #define ARG_CH_T	NCURSES_CH_T
 #define CARG_CH_T	NCURSES_CH_T
 #define PUTC_DATA	/* nothing */
-#define PUTC(ch)	NCURSES_OUTC_FUNC (NCURSES_SP_ARGx (int) ch)
+#define PUTC(ch)	{ \
+			    TR_PUTC(ch); \
+			    NCURSES_OUTC_FUNC (NCURSES_SP_ARGx (int) ch); \
+			}
 
 #define BLANK		(' '|A_NORMAL)
 #define ZEROS		('\0'|A_NORMAL)
@@ -1477,6 +1645,7 @@ extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch;
 #define isWidecExt(ch)	(0)
 #define if_WIDEC(code) /* nothing */
 
+#define Charable(ch)	((ch) >= ' ' && (ch) <= '~')
 #define L(ch)		ch
 #endif /* } */
 
@@ -1523,7 +1692,7 @@ extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch;
 /* FreeAndNull() is not a comma-separated expression because some compilers
  * do not accept a mixture of void with values.
  */
-#define FreeAndNull(p)   free(p); p = 0
+#define FreeAndNull(p)   do { free(p); p = 0; } while (0)
 
 #include <nc_alloc.h>
 
@@ -1532,14 +1701,18 @@ extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch;
  * tries to limp along after a failure.
  */
 #define TYPE_MALLOC(type, size, name) \
-	name = typeMalloc(type, size); \
-	if (name == 0) \
-	    _nc_err_abort(MSG_NO_MEMORY)
+	do { \
+	    name = typeMalloc(type, size); \
+	    if (name == 0) \
+		_nc_err_abort(MSG_NO_MEMORY); \
+	} while (0)
 
 #define TYPE_REALLOC(type, size, name) \
-	name = typeRealloc(type, size, name); \
-	if (name == 0) \
-	    _nc_err_abort(MSG_NO_MEMORY)
+	do { \
+	    name = typeRealloc(type, size, name); \
+	    if (name == 0) \
+		_nc_err_abort(MSG_NO_MEMORY); \
+	} while (0)
 
 /*
  * TTY bit definition for converting tabs to spaces.
@@ -1558,6 +1731,14 @@ extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch;
 # endif
 #endif
 
+#ifdef __TANDEM
+#define ROOT_UID 65535
+#endif
+
+#ifndef ROOT_UID
+#define ROOT_UID 0
+#endif
+
 /*
  * Standardize/simplify common loops
  */
@@ -1574,6 +1755,9 @@ extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch;
 #define T_CREATE(fmt) "create :" fmt
 #define T_RETURN(fmt) "return }" fmt
 
+#define NonNull(s)              ((s) != 0 ? s : "<null>")
+#define NonEmpty(s)             ((s) != 0 && *(s) != '\0')
+
 #ifdef TRACE
 
 #if USE_REENTRANT
@@ -1582,12 +1766,16 @@ extern NCURSES_EXPORT_VAR(SIG_ATOMIC_T) _nc_have_sigwinch;
 #define TPUTS_TRACE(s)	_nc_tputs_trace = s;
 #endif
 
+#ifdef HAVE_CONSISTENT_GETENV
 #define START_TRACE() \
 	if ((_nc_tracing & TRACE_MAXIMUM) == 0) { \
 	    int t = _nc_getenv_num("NCURSES_TRACE"); \
 	    if (t >= 0) \
-		trace((unsigned) t); \
+		curses_trace((unsigned) t); \
 	}
+#else
+#define START_TRACE() /* nothing */
+#endif
 
 /*
  * Many of the _tracef() calls use static buffers; lock the trace state before
@@ -1604,27 +1792,34 @@ extern NCURSES_EXPORT(void)	_nc_locked_tracef (const char *, ...) GCC_PRINTFLIKE
 
 #define TR(n, a)	if (USE_TRACEF(n)) _nc_locked_tracef a
 #define T(a)		TR(TRACE_CALLS, a)
-#define TRACE_RETURN(value,type)     return _nc_retrace_##type(value)
+#define TRACE_RETURN(value,type)     return _nc_retrace_##type((type)(value))
+#define TRACE_RETURN1(value,dst)     return _nc_retrace_##dst(value)
 #define TRACE_RETURN2(value,dst,src) return _nc_retrace_##dst##_##src(value)
 #define TRACE_RETURN_SP(value,type)  return _nc_retrace_##type(SP_PARM, value)
 
-#define NonNull(s)	((s) != 0 ? s : "<null>")
+typedef void VoidFunc(void);
+
+#define TR_FUNC_LEN		((sizeof(void *) + sizeof(void (*)(void))) * 2 + 4)
+#define TR_FUNC_BFR(max)	char tr_func_data[max][TR_FUNC_LEN]
+#define TR_FUNC_ARG(num,func)	_nc_fmt_funcptr(&tr_func_data[num][0], (const char *)&(func), sizeof((func)))
 
 #define returnAttr(code)	TRACE_RETURN(code,attr_t)
 #define returnBits(code)	TRACE_RETURN(code,unsigned)
 #define returnBool(code)	TRACE_RETURN(code,bool)
-#define returnCPtr(code)	TRACE_RETURN(code,cptr)
-#define returnCVoidPtr(code)	TRACE_RETURN(code,cvoid_ptr)
+#define returnCPtr(code)	TRACE_RETURN1(code,cptr)
+#define returnCVoidPtr(code)	TRACE_RETURN1(code,cvoid_ptr)
 #define returnChar(code)	TRACE_RETURN(code,char)
 #define returnChtype(code)	TRACE_RETURN(code,chtype)
 #define returnCode(code)	TRACE_RETURN(code,int)
 #define returnIntAttr(code)	TRACE_RETURN2(code,int,attr_t)
 #define returnMMask(code)	TRACE_RETURN_SP(code,mmask_t)
-#define returnPtr(code)		TRACE_RETURN(code,ptr)
-#define returnSP(code)		TRACE_RETURN(code,sp)
+#define returnPtr(code)		TRACE_RETURN1(code,ptr)
+#define returnSP(code)		TRACE_RETURN1(code,sp)
 #define returnVoid		T((T_RETURN(""))); return
-#define returnVoidPtr(code)	TRACE_RETURN(code,void_ptr)
-#define returnWin(code)		TRACE_RETURN(code,win)
+#define returnVoidPtr(code)	TRACE_RETURN1(code,void_ptr)
+#define returnWin(code)		TRACE_RETURN1(code,win)
+
+#define returnDB(rc)		do { TR(TRACE_DATABASE,(T_RETURN("code %d"), (rc))); return (rc); } while (0)
 
 extern NCURSES_EXPORT(NCURSES_BOOL)     _nc_retrace_bool (int);
 extern NCURSES_EXPORT(NCURSES_CONST void *) _nc_retrace_cvoid_ptr (NCURSES_CONST void *);
@@ -1645,6 +1840,8 @@ extern NCURSES_EXPORT(unsigned)         _nc_retrace_unsigned (unsigned);
 extern NCURSES_EXPORT(void *)           _nc_retrace_void_ptr (void *);
 extern NCURSES_EXPORT(void)             _nc_fifo_dump (SCREEN *);
 
+extern NCURSES_EXPORT(char *)           _nc_fmt_funcptr(char *, const char *, size_t);
+
 #if USE_REENTRANT
 NCURSES_WRAPPED_VAR(long, _nc_outchars);
 NCURSES_WRAPPED_VAR(const char *, _nc_tputs_trace);
@@ -1659,6 +1856,10 @@ extern NCURSES_EXPORT_VAR(long)         _nc_outchars;
 
 extern NCURSES_EXPORT_VAR(unsigned)     _nc_tracing;
 
+extern NCURSES_EXPORT(char *) _nc_tracebits (void);
+extern NCURSES_EXPORT(char *) _tracemouse (const MEVENT *);
+extern NCURSES_EXPORT(void) _tracedump (const char *, WINDOW *);
+
 #if USE_WIDEC_SUPPORT
 extern NCURSES_EXPORT(const char *) _nc_viswbuf2 (int, const wchar_t *);
 extern NCURSES_EXPORT(const char *) _nc_viswbufn (const wchar_t *, int);
@@ -1674,6 +1875,7 @@ extern NCURSES_EXPORT(const char *) _nc_viscbuf (const NCURSES_CH_T *, int);
 #define T(a)
 #define TR(n, a)
 #define TPUTS_TRACE(s)
+#define TR_FUNC_BFR(max)
 
 #define returnAttr(code)	return code
 #define returnBits(code)	return code
@@ -1691,6 +1893,8 @@ extern NCURSES_EXPORT(const char *) _nc_viscbuf (const NCURSES_CH_T *, int);
 #define returnVoidPtr(code)	return code
 #define returnWin(code)		return code
 
+#define returnDB(code)		return code
+
 #endif /* TRACE/!TRACE */
 
 /*
@@ -1758,7 +1962,7 @@ extern	NCURSES_EXPORT(void) name (void); \
 #if USE_XMC_SUPPORT
 #define UpdateAttrs(sp,c) if (!SameAttrOf(SCREEN_ATTRS(sp), c)) { \
 				attr_t chg = AttrOf(SCREEN_ATTRS(sp)); \
-				VIDATTR(sp, AttrOf(c), GetPair(c)); \
+				VIDPUTS(sp, AttrOf(c), GetPair(c)); \
 				if (magic_cookie_glitch > 0 \
 				 && XMC_CHANGES((chg ^ AttrOf(SCREEN_ATTRS(sp))))) { \
 					T(("%s @%d before glitch %d,%d", \
@@ -1770,7 +1974,7 @@ extern	NCURSES_EXPORT(void) name (void); \
 			}
 #else
 #define UpdateAttrs(sp,c) if (!SameAttrOf(SCREEN_ATTRS(sp), c)) { \
-				    VIDATTR(sp, AttrOf(c), GetPair(c)); \
+				    VIDPUTS(sp, AttrOf(c), GetPair(c)); \
 			}
 #endif
 
@@ -1837,6 +2041,20 @@ extern NCURSES_EXPORT(void) _nc_expanded (void);
 #define getcwd(buf,len) getwd(buf)
 #endif
 
+#define save_ttytype(termp) \
+	if (TerminalType(termp).term_names != 0) { \
+	    _nc_STRNCPY(ttytype, \
+	    		TerminalType(termp).term_names, \
+			NAMESIZE - 1); \
+	    ttytype[NAMESIZE - 1] = '\0'; \
+	}
+
+#if !NCURSES_WCWIDTH_GRAPHICS
+extern NCURSES_EXPORT(int) _nc_wacs_width(unsigned);
+#else
+#define _nc_wacs_width(ch) wcwidth(ch)
+#endif
+
 /* charable.c */
 #if USE_WIDEC_SUPPORT
 extern NCURSES_EXPORT(bool) _nc_is_charable(wchar_t);
@@ -1859,6 +2077,16 @@ typedef struct
 	short	source;
 } alias_table_data;
 
+/* comp_userdefs.c */
+typedef struct {
+	short	ute_name;	/* offset of name to hash on */
+	unsigned ute_type;	/* mask (BOOLEAN, NUMBER, STRING) */
+	unsigned ute_argc;	/* number of parameters */
+	unsigned ute_args;	/* bit-mask for string parameters */
+	short	ute_index;	/* index of associated variable in its array */
+	short	ute_link;	/* index in table of next hash, or -1 */
+} user_table_data;
+
 /* doupdate.c */
 #if USE_XMC_SUPPORT
 extern NCURSES_EXPORT(void) _nc_do_xmc_glitch (attr_t);
@@ -1884,7 +2112,16 @@ extern NCURSES_EXPORT(int) _nc_wchstrlen(const cchar_t *);
 #endif
 
 /* lib_color.c */
+extern NCURSES_EXPORT(int) _nc_init_color(SCREEN *, int, int, int, int);
+extern NCURSES_EXPORT(int) _nc_init_pair(SCREEN *, int, int, int);
+extern NCURSES_EXPORT(int) _nc_pair_content(SCREEN *, int, int *, int *);
 extern NCURSES_EXPORT(bool) _nc_reset_colors(void);
+extern NCURSES_EXPORT(void) _nc_reserve_pairs(SCREEN *, int);
+extern NCURSES_EXPORT(void) _nc_change_pair(SCREEN *, int);
+
+#define ReservePairs(sp,want) \
+	    if ((sp->_color_pairs == 0) || (want >= sp->_pair_alloc)) \
+		_nc_reserve_pairs(sp, want)
 
 /* lib_getch.c */
 extern NCURSES_EXPORT(int) _nc_wgetch(WINDOW *, int *, int EVENTLIST_2nd(_nc_eventlist *));
@@ -1918,29 +2155,43 @@ extern NCURSES_EXPORT(bool) _nc_has_mouse (SCREEN *);
 extern NCURSES_EXPORT(char *) _nc_get_locale(void);
 extern NCURSES_EXPORT(int)    _nc_unicode_locale(void);
 extern NCURSES_EXPORT(int)    _nc_locale_breaks_acs(TERMINAL *);
-extern NCURSES_EXPORT(int)    _nc_setupterm(NCURSES_CONST char *, int, int *, int);
+extern NCURSES_EXPORT(int)    _nc_setupterm(const char *, int, int *, int);
 extern NCURSES_EXPORT(void)   _nc_tinfo_cmdch(TERMINAL *, int);
 
+#ifdef USE_PTHREADS
+extern NCURSES_EXPORT(SCREEN *) _nc_find_prescr(void);
+extern NCURSES_EXPORT(void)   _nc_forget_prescr(void);
+#else
+#define _nc_find_prescr()     _nc_prescreen.allocated
+#define _nc_forget_prescr()   _nc_prescreen.allocated = 0
+#endif
+
 /* lib_set_term.c */
 extern NCURSES_EXPORT(int)    _nc_ripoffline(int, int(*)(WINDOW*, int));
 
 /* lib_setup.c */
-#define ret_error(code, fmt, arg)	if (errret) {\
-					    *errret = code;\
-					    returnCode(ERR);\
+#define ExitTerminfo(code)    exit_terminfo(code)
+
+#define SETUP_FAIL ERR
+
+#define ret_error(rc, fmt, p, q)	if (errret) {\
+					    *errret = rc;\
+					    q;\
+					    returnCode(SETUP_FAIL);\
 					} else {\
-					    fprintf(stderr, fmt, arg);\
-					    exit(EXIT_FAILURE);\
+					    fprintf(stderr, fmt, p);\
+					    q;\
+					    ExitTerminfo(EXIT_FAILURE);\
 					}
 
-#define ret_error1(code, fmt, arg)	ret_error(code, "'%s': " fmt, arg)
+#define ret_error1(rc, fmt, p, q)	ret_error(rc, "'%s': " fmt, p, q)
 
-#define ret_error0(code, msg)		if (errret) {\
-					    *errret = code;\
-					    returnCode(ERR);\
+#define ret_error0(rc, msg)		if (errret) {\
+					    *errret = rc;\
+					    returnCode(SETUP_FAIL);\
 					} else {\
 					    fprintf(stderr, msg);\
-					    exit(EXIT_FAILURE);\
+					    ExitTerminfo(EXIT_FAILURE);\
 					}
 
 /* lib_tstp.c */
@@ -1984,7 +2235,6 @@ extern NCURSES_EXPORT(int) _nc_remove_key (TRIES **, unsigned);
 extern NCURSES_EXPORT(int) _nc_remove_string (TRIES **, const char *);
 
 /* elsewhere ... */
-extern NCURSES_EXPORT(ENTRY *) _nc_delink_entry (ENTRY *, TERMTYPE *);
 extern NCURSES_EXPORT(SCREEN *) _nc_screen_of (WINDOW *);
 extern NCURSES_EXPORT(TERMINAL*) _nc_get_cur_term (void);
 extern NCURSES_EXPORT(WINDOW *) _nc_makenew (int, int, int, int, int);
@@ -1992,6 +2242,7 @@ extern NCURSES_EXPORT(char *) _nc_trace_buf (int, size_t);
 extern NCURSES_EXPORT(char *) _nc_trace_bufcat (int, const char *);
 extern NCURSES_EXPORT(char *) _nc_tracechar (SCREEN *, int);
 extern NCURSES_EXPORT(char *) _nc_tracemouse (SCREEN *, MEVENT const *);
+extern NCURSES_EXPORT(char *) _nc_trace_mmask_t (SCREEN *, mmask_t);
 extern NCURSES_EXPORT(int) _nc_access (const char *, int);
 extern NCURSES_EXPORT(int) _nc_baudrate (int);
 extern NCURSES_EXPORT(int) _nc_freewin (WINDOW *);
@@ -2002,14 +2253,14 @@ extern NCURSES_EXPORT(int) _nc_outch (int);
 extern NCURSES_EXPORT(int) _nc_putchar (int);
 extern NCURSES_EXPORT(int) _nc_putp(const char *, const char *);
 extern NCURSES_EXPORT(int) _nc_putp_flush(const char *, const char *);
-extern NCURSES_EXPORT(int) _nc_read_termcap_entry (const char *const, TERMTYPE *const);
-extern NCURSES_EXPORT(int) _nc_setup_tinfo(const char *, TERMTYPE *);
+extern NCURSES_EXPORT(int) _nc_read_termcap_entry (const char *const, TERMTYPE2 *const);
+extern NCURSES_EXPORT(int) _nc_setup_tinfo(const char *, TERMTYPE2 *);
 extern NCURSES_EXPORT(int) _nc_setupscreen (int, int, FILE *, int, int);
 extern NCURSES_EXPORT(int) _nc_timed_wait (SCREEN *, int, int, int * EVENTLIST_2nd(_nc_eventlist *));
+extern NCURSES_EXPORT(void) _nc_init_termtype (TERMTYPE2 *const);
 extern NCURSES_EXPORT(void) _nc_do_color (int, int, int, NCURSES_OUTC);
 extern NCURSES_EXPORT(void) _nc_flush (void);
-extern NCURSES_EXPORT(void) _nc_free_and_exit (int) GCC_NORETURN;
-extern NCURSES_EXPORT(void) _nc_free_entry (ENTRY *, TERMTYPE *);
+extern NCURSES_EXPORT(void) _nc_free_entry (ENTRY *, TERMTYPE2 *);
 extern NCURSES_EXPORT(void) _nc_freeall (void);
 extern NCURSES_EXPORT(void) _nc_hash_map (void);
 extern NCURSES_EXPORT(void) _nc_init_keytry (SCREEN *);
@@ -2023,6 +2274,23 @@ extern NCURSES_EXPORT(void) _nc_signal_handler (int);
 extern NCURSES_EXPORT(void) _nc_synchook (WINDOW *);
 extern NCURSES_EXPORT(void) _nc_trace_tries (TRIES *);
 
+#if NCURSES_EXT_NUMBERS
+extern NCURSES_EXPORT(const TERMTYPE2 *) _nc_fallback2 (const char *);
+#else
+#define _nc_fallback2(tp) _nc_fallback(tp)
+#endif
+
+#if NCURSES_EXT_NUMBERS
+extern NCURSES_EXPORT(void) _nc_copy_termtype2 (TERMTYPE2 *, const TERMTYPE2 *);
+extern NCURSES_EXPORT(void) _nc_export_termtype2(TERMTYPE *, const TERMTYPE2 *);
+#else
+#define _nc_copy_termtype2(dst,src) _nc_copy_termtype((dst),(src))
+#define _nc_export_termtype2(dst,src) /* nothing */
+#define _nc_free_termtype2(t) _nc_free_termtype(t)
+/* also... */
+#define _nc_read_entry2 _nc_read_entry
+#endif
+
 #if NO_LEAKS
 extern NCURSES_EXPORT(void) _nc_alloc_entry_leaks(void);
 extern NCURSES_EXPORT(void) _nc_captoinfo_leaks(void);
@@ -2030,9 +2298,11 @@ extern NCURSES_EXPORT(void) _nc_codes_leaks(void);
 extern NCURSES_EXPORT(void) _nc_comp_captab_leaks(void);
 extern NCURSES_EXPORT(void) _nc_comp_error_leaks(void);
 extern NCURSES_EXPORT(void) _nc_comp_scan_leaks(void);
+extern NCURSES_EXPORT(void) _nc_comp_userdefs_leaks(void);
 extern NCURSES_EXPORT(void) _nc_db_iterator_leaks(void);
 extern NCURSES_EXPORT(void) _nc_keyname_leaks(void);
 extern NCURSES_EXPORT(void) _nc_names_leaks(void);
+extern NCURSES_EXPORT(void) _nc_tgetent_leak(TERMINAL *);
 extern NCURSES_EXPORT(void) _nc_tgetent_leaks(void);
 #endif
 
@@ -2072,7 +2342,7 @@ extern NCURSES_EXPORT(int) _nc_eventlist_timeout(_nc_eventlist *);
  */
 #if USE_WIDEC_SUPPORT
 
-#if defined(__MINGW32__)
+#if defined(_WIN32)
 /*
  * MinGW has wide-character functions, but they do not work correctly.
  */
@@ -2087,7 +2357,7 @@ extern int __MINGW_NOTHROW _nc_mbtowc(wchar_t *, const char *, size_t);
 extern int __MINGW_NOTHROW _nc_mblen(const char *, size_t);
 #define mblen(s,n) _nc_mblen(s, n)
 
-#endif /* __MINGW32__ */
+#endif /* _WIN32 */
 
 #if HAVE_MBTOWC && HAVE_MBLEN
 #define reset_mbytes(state) IGNORE_RC(mblen(NULL, (size_t) 0)), IGNORE_RC(mbtowc(NULL, NULL, (size_t) 0))
@@ -2118,9 +2388,7 @@ extern NCURSES_EXPORT_VAR(int *) _nc_oldnums;
 
 #define USE_SETBUF_0 0
 
-#define NC_BUFFERED(sp,flag) NCURSES_SP_NAME(_nc_set_buffer)(NCURSES_SP_ARGx sp->_ofp, flag)
-
-#define NC_OUTPUT(sp) ((sp != 0) ? sp->_ofp : stdout)
+#define NC_OUTPUT(sp) ((sp != 0 && sp->_ofp != 0) ? sp->_ofp : stdout)
 
 /*
  * On systems with a broken linker, define 'SP' as a function to force the
@@ -2202,7 +2470,6 @@ extern NCURSES_EXPORT(int) _nc_get_tty_mode(TTY *);
     sp->jump = outc
 
 #ifdef USE_TERM_DRIVER
-typedef void* TERM_HANDLE;
 
 typedef struct _termInfo
 {
@@ -2228,48 +2495,47 @@ typedef struct _termInfo
 
 typedef struct term_driver {
     bool   isTerminfo;
-    bool   (*CanHandle)(struct DriverTCB*, const char*, int*);
-    void   (*init)(struct DriverTCB*);
-    void   (*release)(struct DriverTCB*);
-    int    (*size)(struct DriverTCB*, int* Line, int *Cols);
-    int    (*sgmode)(struct DriverTCB*, int setFlag, TTY*);
-    chtype (*conattr)(struct DriverTCB*);
-    int    (*hwcur)(struct DriverTCB*, int yold, int xold, int y, int x);
-    int    (*mode)(struct DriverTCB*, int progFlag, int defFlag);
-    bool   (*rescol)(struct DriverTCB*);
-    bool   (*rescolors)(struct DriverTCB*);
-    void   (*color)(struct DriverTCB*, int fore, int color, int(*)(SCREEN*, int));
-    int    (*doBeepOrFlash)(struct DriverTCB*, int);
-    void   (*initpair)(struct DriverTCB*, int, int, int);
-    void   (*initcolor)(struct DriverTCB*, int, int, int, int);
-    void   (*docolor)(struct DriverTCB*, int, int, int, int(*)(SCREEN*, int));
-    void   (*initmouse)(struct DriverTCB*);
-    int    (*testmouse)(struct DriverTCB*, int EVENTLIST_2nd(_nc_eventlist*));
-    void   (*setfilter)(struct DriverTCB*);
-    void   (*hwlabel)(struct DriverTCB*, int, char*);
-    void   (*hwlabelOnOff)(struct DriverTCB*, int);
-    int    (*update)(struct DriverTCB*);
-    int    (*defaultcolors)(struct DriverTCB*, int, int);
-    int    (*print)(struct DriverTCB*, char*, int);
-    int    (*getsize)(struct DriverTCB*, int*, int*);
-    int    (*setsize)(struct DriverTCB*, int, int);
-    void   (*initacs)(struct DriverTCB*, chtype*, chtype*);
-    void   (*scinit)(SCREEN *);
-    void   (*scexit)(SCREEN *);
-    int    (*twait)(struct DriverTCB*, int, int, int* EVENTLIST_2nd(_nc_eventlist*));
-    int    (*read)(struct DriverTCB*, int*);
-    int    (*nap)(struct DriverTCB*, int);
-    int    (*kpad)(struct DriverTCB*, int);
-    int    (*kyOk)(struct DriverTCB*, int, int);
-    bool   (*kyExist)(struct DriverTCB*, int);
+    const char* (*td_name)(struct DriverTCB*);
+    bool   (*td_CanHandle)(struct DriverTCB*, const char*, int*);
+    void   (*td_init)(struct DriverTCB*);
+    void   (*td_release)(struct DriverTCB*);
+    int    (*td_size)(struct DriverTCB*, int* Line, int *Cols);
+    int    (*td_sgmode)(struct DriverTCB*, int setFlag, TTY*);
+    chtype (*td_conattr)(struct DriverTCB*);
+    int    (*td_hwcur)(struct DriverTCB*, int yold, int xold, int y, int x);
+    int    (*td_mode)(struct DriverTCB*, int progFlag, int defFlag);
+    bool   (*td_rescol)(struct DriverTCB*);
+    bool   (*td_rescolors)(struct DriverTCB*);
+    void   (*td_color)(struct DriverTCB*, int fore, int color, int(*)(SCREEN*, int));
+    int    (*td_doBeepOrFlash)(struct DriverTCB*, int);
+    void   (*td_initpair)(struct DriverTCB*, int, int, int);
+    void   (*td_initcolor)(struct DriverTCB*, int, int, int, int);
+    void   (*td_docolor)(struct DriverTCB*, int, int, int, int(*)(SCREEN*, int));
+    void   (*td_initmouse)(struct DriverTCB*);
+    int    (*td_testmouse)(struct DriverTCB*, int EVENTLIST_2nd(_nc_eventlist*));
+    void   (*td_setfilter)(struct DriverTCB*);
+    void   (*td_hwlabel)(struct DriverTCB*, int, char*);
+    void   (*td_hwlabelOnOff)(struct DriverTCB*, int);
+    int    (*td_update)(struct DriverTCB*);
+    int    (*td_defaultcolors)(struct DriverTCB*, int, int);
+    int    (*td_print)(struct DriverTCB*, char*, int);
+    int    (*td_getsize)(struct DriverTCB*, int*, int*);
+    int    (*td_setsize)(struct DriverTCB*, int, int);
+    void   (*td_initacs)(struct DriverTCB*, chtype*, chtype*);
+    void   (*td_scinit)(SCREEN *);
+    void   (*td_scexit)(SCREEN *);
+    int    (*td_twait)(struct DriverTCB*, int, int, int* EVENTLIST_2nd(_nc_eventlist*));
+    int    (*td_read)(struct DriverTCB*, int*);
+    int    (*td_nap)(struct DriverTCB*, int);
+    int    (*td_kpad)(struct DriverTCB*, int);
+    int    (*td_kyOk)(struct DriverTCB*, int, int);
+    bool   (*td_kyExist)(struct DriverTCB*, int);
+    int    (*td_cursorSet)(struct DriverTCB*, int);
 } TERM_DRIVER;
 
 typedef struct DriverTCB
 {
     TERMINAL      term;   /* needs to be the first Element !!! */
-    TERM_HANDLE   inp;    /* The input handle of the Terminal */
-    TERM_HANDLE   out;    /* The output handle of the Terminal in shell mode */
-    TERM_HANDLE   hdl;    /* The output handle of the Terminal in prog  mode */
     TERM_DRIVER*  drv;    /* The driver for that Terminal */
     SCREEN*       csp;    /* The screen that owns that Terminal */
     TerminalInfo  info;   /* Driver independent core capabilities of the Terminal */
@@ -2318,7 +2584,7 @@ extern NCURSES_EXPORT(int)      TINFO_MVCUR(SCREEN*, int, int, int, int);
  */
 #ifdef USE_TERM_DRIVER
 extern NCURSES_EXPORT(void)   _nc_get_screensize(SCREEN *, TERMINAL *, int *, int *);
-extern NCURSES_EXPORT(int)    _nc_setupterm_ex(TERMINAL **, NCURSES_CONST char *, int , int *, int);
+extern NCURSES_EXPORT(int)    _nc_setupterm_ex(TERMINAL **, const char *, int , int *, int);
 #define TINFO_GET_SIZE(sp, tp, lp, cp) \
 	_nc_get_screensize(sp, tp, lp, cp)
 #define TINFO_SET_CURTERM(sp, tp) \
@@ -2336,19 +2602,42 @@ extern NCURSES_EXPORT(void)   _nc_get_screensize(SCREEN *, int *, int *);
 #endif /* !USE_TERM_DRIVER */
 
 #ifdef USE_TERM_DRIVER
-#ifdef __MINGW32__
+#if defined(USE_WIN32CON_DRIVER)
 #include <nc_mingw.h>
 extern NCURSES_EXPORT_VAR(TERM_DRIVER) _nc_WIN_DRIVER;
+extern NCURSES_EXPORT(int)  _nc_mingw_isatty(int fd);
+extern NCURSES_EXPORT(int)  _nc_mingw_isconsole(int fd);
+extern NCURSES_EXPORT(int) _nc_mingw_console_read(
+    SCREEN *sp,
+    HANDLE  fd,
+    int *buf);
+extern NCURSES_EXPORT(int) _nc_mingw_testmouse(
+    SCREEN * sp,
+    HANDLE fd,
+    int delay EVENTLIST_2nd(_nc_eventlist*));
+#else
 #endif
 extern NCURSES_EXPORT_VAR(TERM_DRIVER) _nc_TINFO_DRIVER;
 #endif
 
+#if defined(USE_TERM_DRIVER) && defined(USE_WIN32CON_DRIVER)
+#define NC_ISATTY(fd) _nc_mingw_isatty(fd)
+#else
+#define NC_ISATTY(fd) isatty(fd)
+#endif
+
 #ifdef USE_TERM_DRIVER
-#define IsTermInfo(sp)       ((TCBOf(sp) != 0) && ((TCBOf(sp)->drv->isTerminfo)))
-#define HasTInfoTerminal(sp) ((0 != TerminalOf(sp)) && IsTermInfo(sp))
+#  define IsTermInfo(sp)       ((TCBOf(sp) != 0) && ((TCBOf(sp)->drv->isTerminfo)))
+#  define HasTInfoTerminal(sp) ((0 != TerminalOf(sp)) && IsTermInfo(sp))
+#  if defined(USE_WIN32CON_DRIVER)
+#    define IsTermInfoOnConsole(sp) (IsTermInfo(sp)&&_nc_mingw_isconsole(TerminalOf(sp)->Filedes))
 #else
-#define IsTermInfo(sp)       TRUE
-#define HasTInfoTerminal(sp) (0 != TerminalOf(sp))
+#    define IsTermInfoOnConsole(sp) FALSE
+#  endif
+#else
+#  define IsTermInfo(sp)       TRUE
+#  define HasTInfoTerminal(sp) (0 != TerminalOf(sp))
+#  define IsTermInfoOnConsole(sp) FALSE
 #endif
 
 #define IsValidTIScreen(sp)  (HasTInfoTerminal(sp))
@@ -2380,7 +2669,6 @@ extern NCURSES_EXPORT(WINDOW *) NCURSES_SP_NAME(_nc_makenew) (SCREEN*, int, int,
 extern NCURSES_EXPORT(bool)     NCURSES_SP_NAME(_nc_reset_colors)(SCREEN*);
 extern NCURSES_EXPORT(char *)   NCURSES_SP_NAME(_nc_printf_string)(SCREEN*, const char *, va_list);
 extern NCURSES_EXPORT(chtype)   NCURSES_SP_NAME(_nc_acs_char)(SCREEN*,int);
-extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_curs_set)(SCREEN*,int);
 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_get_tty_mode)(SCREEN*,TTY*);
 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_mcprint)(SCREEN*,char*, int);
 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_msec_cost)(SCREEN*, const char *, int);
@@ -2389,19 +2677,11 @@ extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_outch)(SCREEN*, int);
 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_putchar)(SCREEN*, int);
 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_putp)(SCREEN*, const char *, const char*);
 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_putp_flush)(SCREEN*, const char *, const char *);
-extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_resetty)(SCREEN*);
-extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_resize_term)(SCREEN*,int,int);
 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_ripoffline)(SCREEN*, int, int (*)(WINDOW *,int));
-extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_savetty)(SCREEN*);
-extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_scr_init)(SCREEN*,const char*);
-extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_scr_restore)(SCREEN*, const char*);
 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_scrolln)(SCREEN*, int, int, int, int);
 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_set_tty_mode)(SCREEN*, TTY*);
 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_setupscreen)(SCREEN**, int, int, FILE *, int, int);
 extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_tgetent)(SCREEN*,char*,const char *);
-extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_tigetnum)(SCREEN*,NCURSES_CONST char*);
-extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_vid_attr)(SCREEN *, attr_t, NCURSES_COLOR_T, void *);
-extern NCURSES_EXPORT(int)      NCURSES_SP_NAME(_nc_vidputs)(SCREEN*,chtype,int(*) (SCREEN*, int));
 extern NCURSES_EXPORT(void)     NCURSES_SP_NAME(_nc_do_color)(SCREEN*, int, int, int, NCURSES_SP_OUTC);
 extern NCURSES_EXPORT(void)     NCURSES_SP_NAME(_nc_do_xmc_glitch)(SCREEN*, attr_t);
 extern NCURSES_EXPORT(void)     NCURSES_SP_NAME(_nc_flush)(SCREEN*);
@@ -2450,6 +2730,11 @@ extern NCURSES_EXPORT(NCURSES_CONST char *) _nc_unctrl (SCREEN *, chtype);
 
 #endif
 
+#ifdef EXP_XTERM_1005
+NCURSES_EXPORT(int) _nc_conv_to_utf8(unsigned char *, unsigned, unsigned);
+NCURSES_EXPORT(int) _nc_conv_to_utf32(unsigned *, const char *, unsigned);
+#endif
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/ncurses/fifo_defs.h b/ncurses/fifo_defs.h
index c0c795a81634..d0e21fafe871 100644
--- a/ncurses/fifo_defs.h
+++ b/ncurses/fifo_defs.h
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2008,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2012,2016 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -34,7 +34,7 @@
 /*
  * Common macros for lib_getch.c, lib_ungetch.c
  *
- * $Id: fifo_defs.h,v 1.7 2012/08/04 15:59:17 tom Exp $
+ * $Id: fifo_defs.h,v 1.8 2016/09/10 21:59:25 tom Exp $
  */
 
 #ifndef FIFO_DEFS_H
@@ -82,6 +82,4 @@
 #define cooked_key_in_fifo()	((head >= 0) && (peek != head))
 #define raw_key_in_fifo()	((head >= 0) && (peek != tail))
 
-#undef HIDE_EINTR
-
 #endif /* FIFO_DEFS_H */
diff --git a/ncurses/llib-lncurses b/ncurses/llib-lncurses
index d98dcd596326..1b291dd7729e 100644
--- a/ncurses/llib-lncurses
+++ b/ncurses/llib-lncurses
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2011,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2017,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -27,7 +27,7 @@
  ****************************************************************************/
 
 /****************************************************************************
- *  Author: Thomas E. Dickey 1996-on                                        *
+ *  Author: Thomas E. Dickey       1996-on                                  *
  ****************************************************************************/
 /* LINTLIBRARY */
 
@@ -182,7 +182,7 @@ int	wchgat(
 		WINDOW	*win, 
 		int	n, 
 		attr_t	attr, 
-		short	color, 
+		short	pair_arg, 
 		const void *opts)
 		{ return(*(int *)0); }
 
@@ -240,6 +240,26 @@ int	start_color_sp(
 int	start_color(void)
 		{ return(*(int *)0); }
 
+#undef _nc_change_pair
+void	_nc_change_pair(
+		SCREEN	*sp, 
+		int	pair)
+		{ /* void */ }
+
+#undef _nc_reserve_pairs
+void	_nc_reserve_pairs(
+		SCREEN	*sp, 
+		int	want)
+		{ /* void */ }
+
+#undef _nc_init_pair
+int	_nc_init_pair(
+		SCREEN	*sp, 
+		int	pair, 
+		int	f, 
+		int	b)
+		{ return(*(int *)0); }
+
 #undef init_pair_sp
 int	init_pair_sp(
 		SCREEN	*sp, 
@@ -255,6 +275,15 @@ int	init_pair(
 		short	b)
 		{ return(*(int *)0); }
 
+#undef _nc_init_color
+int	_nc_init_color(
+		SCREEN	*sp, 
+		int	color, 
+		int	r, 
+		int	g, 
+		int	b)
+		{ return(*(int *)0); }
+
 #undef init_color_sp
 int	init_color_sp(
 		SCREEN	*sp, 
@@ -307,6 +336,14 @@ int	color_content(
 		short	*b)
 		{ return(*(int *)0); }
 
+#undef _nc_pair_content
+int	_nc_pair_content(
+		SCREEN	*sp, 
+		int	pair, 
+		int	*f, 
+		int	*b)
+		{ return(*(int *)0); }
+
 #undef pair_content_sp
 int	pair_content_sp(
 		SCREEN	*sp, 
@@ -344,7 +381,7 @@ void	_nc_do_color(
 #undef wcolor_set
 int	wcolor_set(
 		WINDOW	*win, 
-		short	color_pair_number, 
+		short	pair_arg, 
 		void	*opts)
 		{ return(*(int *)0); }
 
@@ -1023,20 +1060,6 @@ int	(vline)(
 		int	z)
 		{ return(*(int *)0); }
 
-#undef vw_printw
-int	(vw_printw)(
-		WINDOW	*a1, 
-		const char *a2, 
-		va_list	z)
-		{ return(*(int *)0); }
-
-#undef vw_scanw
-int	(vw_scanw)(
-		WINDOW	*a1, 
-		char	*a2, 
-		va_list	z)
-		{ return(*(int *)0); }
-
 #undef waddchstr
 int	(waddchstr)(
 		WINDOW	*a1, 
@@ -1237,6 +1260,11 @@ NCURSES_BOOL (is_syncok)(
 		const WINDOW *z)
 		{ return(*(NCURSES_BOOL *)0); }
 
+#undef wgetdelay
+int	(wgetdelay)(
+		const WINDOW *z)
+		{ return(*(int *)0); }
+
 #undef wgetscrreg
 int	(wgetscrreg)(
 		const WINDOW *a1, 
@@ -1586,14 +1614,14 @@ void	nofilter(void)
 #undef newterm_sp
 SCREEN	*newterm_sp(
 		SCREEN	*sp, 
-		char	*name, 
+		const char *name, 
 		FILE	*ofp, 
 		FILE	*ifp)
 		{ return(*(SCREEN **)0); }
 
 #undef newterm
 SCREEN	*newterm(
-		char	*name, 
+		const char *name, 
 		FILE	*ofp, 
 		FILE	*ifp)
 		{ return(*(SCREEN **)0); }
@@ -1803,6 +1831,13 @@ int	vwprintw(
 		va_list	argp)
 		{ return(*(int *)0); }
 
+#undef vw_printw
+int	vw_printw(
+		WINDOW	*win, 
+		const char *fmt, 
+		va_list	argp)
+		{ return(*(int *)0); }
+
 /* ./base/lib_redrawln.c */
 
 #undef wredrawln
@@ -1829,14 +1864,14 @@ int	wnoutrefresh(
 #undef restartterm_sp
 int	restartterm_sp(
 		SCREEN	*sp, 
-		char	*termp, 
+		const char *termp, 
 		int	filenum, 
 		int	*errret)
 		{ return(*(int *)0); }
 
 #undef restartterm
 int	restartterm(
-		char	*termp, 
+		const char *termp, 
 		int	filenum, 
 		int	*errret)
 		{ return(*(int *)0); }
@@ -1846,20 +1881,27 @@ int	restartterm(
 #undef vwscanw
 int	vwscanw(
 		WINDOW	*win, 
-		char	*fmt, 
+		const char *fmt, 
+		va_list	argp)
+		{ return(*(int *)0); }
+
+#undef vw_scanw
+int	vw_scanw(
+		WINDOW	*win, 
+		const char *fmt, 
 		va_list	argp)
 		{ return(*(int *)0); }
 
 #undef scanw
 int	scanw(
-		char	*fmt, 
+		const char *fmt, 
 		...)
 		{ return(*(int *)0); }
 
 #undef wscanw
 int	wscanw(
 		WINDOW	*win, 
-		char	*fmt, 
+		const char *fmt, 
 		...)
 		{ return(*(int *)0); }
 
@@ -1867,7 +1909,7 @@ int	wscanw(
 int	mvscanw(
 		int	y, 
 		int	x, 
-		char	*fmt, 
+		const char *fmt, 
 		...)
 		{ return(*(int *)0); }
 
@@ -1876,7 +1918,7 @@ int	mvwscanw(
 		WINDOW	*win, 
 		int	y, 
 		int	x, 
-		char	*fmt, 
+		const char *fmt, 
 		...)
 		{ return(*(int *)0); }
 
@@ -2065,14 +2107,14 @@ int	slk_restore(void)
 int	slk_attr_set_sp(
 		SCREEN	*sp, 
 		const attr_t attr, 
-		short	color_pair_number, 
+		short	pair_arg, 
 		void	*opts)
 		{ return(*(int *)0); }
 
 #undef slk_attr_set
 int	slk_attr_set(
 		const attr_t attr, 
-		short	color_pair_number, 
+		short	pair_arg, 
 		void	*opts)
 		{ return(*(int *)0); }
 
@@ -2142,12 +2184,12 @@ int	slk_clear(void)
 #undef slk_color_sp
 int	slk_color_sp(
 		SCREEN	*sp, 
-		short	color_pair_number)
+		short	pair_arg)
 		{ return(*(int *)0); }
 
 #undef slk_color
 int	slk_color(
-		short	color_pair_number)
+		short	pair_arg)
 		{ return(*(int *)0); }
 
 /* ./base/lib_slkinit.c */
@@ -2255,6 +2297,12 @@ void	_tracedump(
 
 /* ./trace/lib_tracemse.c */
 
+#undef _nc_trace_mmask_t
+char	*_nc_trace_mmask_t(
+		SCREEN	*sp, 
+		mmask_t	code)
+		{ return(*(char **)0); }
+
 #undef _nc_tracemouse
 char	*_nc_tracemouse(
 		SCREEN	*sp, 
@@ -2500,10 +2548,6 @@ void	_nc_do_xmc_glitch(
 
 /* ./trace/varargs.c */
 
-typedef enum {
-    atUnknown = 0, atInteger, atFloat, atPoint, atString
-} ARGTYPE;
-
 #undef _nc_varargs
 char	*_nc_varargs(
 		const char *fmt, 
@@ -2533,6 +2577,11 @@ void	_nc_free_and_exit(
 		int	code)
 		{ /* void */ }
 
+#undef exit_curses
+void	exit_curses(
+		int	code)
+		{ /* void */ }
+
 /* ./expanded.c */
 
 #undef _nc_toggle_attr_on
@@ -2632,6 +2681,12 @@ int	mcprint(
 		int	len)
 		{ return(*(int *)0); }
 
+/* ./base/new_pair.c */
+
+#undef _nc_new_pair
+void	_nc_new_pair(void)
+		{ /* void */ }
+
 /* ./base/resizeterm.c */
 
 #undef is_term_resized_sp
@@ -2762,8 +2817,8 @@ int	_nc_add_to_try(
 
 #undef _nc_align_termtype
 void	_nc_align_termtype(
-		TERMTYPE *to, 
-		TERMTYPE *from)
+		TERMTYPE2 *to, 
+		TERMTYPE2 *from)
 		{ /* void */ }
 
 #undef _nc_copy_termtype
@@ -2775,11 +2830,11 @@ void	_nc_copy_termtype(
 /* ./codes.c */
 
 #undef boolcodes
-char	*const boolcodes[] = {0};
+const char *const boolcodes[] = {0};
 #undef numcodes
-char	*const numcodes[] = {0};
+const char *const numcodes[] = {0};
 #undef strcodes
-char	*const strcodes[] = {0};
+const char *const strcodes[] = {0};
 
 /* ./comp_captab.c */
 
@@ -2864,6 +2919,21 @@ struct name_table_entry const *_nc_find_type_entry(
 		NCURSES_BOOL termcap)
 		{ return(*(struct name_table_entry const **)0); }
 
+#undef _nc_find_user_entry
+struct user_table_entry const *_nc_find_user_entry(
+		const char *string)
+		{ return(*(struct user_table_entry const **)0); }
+
+/* ./comp_userdefs.c */
+
+#undef _nc_get_userdefs_table
+const struct user_table_entry *_nc_get_userdefs_table(void)
+		{ return(*(const struct user_table_entry **)0); }
+
+#undef _nc_get_hash_user
+const HashData *_nc_get_hash_user(void)
+		{ return(*(const HashData **)0); }
+
 /* ./tinfo/db_iterator.c */
 
 #undef _nc_tic_dir
@@ -2910,7 +2980,7 @@ ENTRY	*_nc_tail;
 #undef _nc_free_entry
 void	_nc_free_entry(
 		ENTRY	*headp, 
-		TERMTYPE *tterm)
+		TERMTYPE2 *tterm)
 		{ /* void */ }
 
 #undef _nc_free_entries
@@ -2918,22 +2988,21 @@ void	_nc_free_entries(
 		ENTRY	*headp)
 		{ /* void */ }
 
-#undef _nc_delink_entry
-ENTRY	*_nc_delink_entry(
-		ENTRY	*headp, 
-		TERMTYPE *tterm)
-		{ return(*(ENTRY **)0); }
-
 #undef _nc_leaks_tinfo
 void	_nc_leaks_tinfo(void)
 		{ /* void */ }
 
+#undef exit_terminfo
+void	exit_terminfo(
+		int	code)
+		{ /* void */ }
+
 /* ./fallback.c */
 
 #undef _nc_fallback
-const TERMTYPE *_nc_fallback(
+const TERMTYPE2 *_nc_fallback(
 		const char *name)
-		{ return(*(const TERMTYPE **)0); }
+		{ return(*(const TERMTYPE2 **)0); }
 
 /* ./tinfo/free_ttype.c */
 
@@ -2993,8 +3062,8 @@ void	_nc_init_acs(void)
 /* ./tinfo/lib_baudrate.c */
 
 struct speed {
-    int s; 
-    int sp; 
+    int given_speed; 
+    int actual_speed; 
 };
 
 #undef _nc_baudrate
@@ -3119,18 +3188,23 @@ int	flushinp(void)
 struct kn { short offset; int code; };
 
 #undef keyname_sp
-char	*keyname_sp(
+const char *keyname_sp(
 		SCREEN	*sp, 
 		int	c)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 #undef keyname
-char	*keyname(
+const char *keyname(
 		int	c)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 /* ./tinfo/lib_longname.c */
 
+#undef longname_sp
+char	*longname_sp(
+		SCREEN	*sp)
+		{ return(*(char **)0); }
+
 #undef longname
 char	*longname(void)
 		{ return(*(char **)0); }
@@ -3382,7 +3456,7 @@ void	_nc_update_screensize(
 #undef _nc_setup_tinfo
 int	_nc_setup_tinfo(
 		const char *const tn, 
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ return(*(int *)0); }
 
 #undef _nc_tinfo_cmdch
@@ -3406,7 +3480,7 @@ int	_nc_locale_breaks_acs(
 
 #undef _nc_setupterm
 int	_nc_setupterm(
-		char	*tname, 
+		const char *tname, 
 		int	Filedes, 
 		int	*errret, 
 		int	reuse)
@@ -3418,7 +3492,7 @@ SCREEN	*new_prescr(void)
 
 #undef setupterm
 int	setupterm(
-		char	*tname, 
+		const char *tname, 
 		int	Filedes, 
 		int	*errret)
 		{ return(*(int *)0); }
@@ -3446,35 +3520,35 @@ int	tgetent(
 #undef tgetflag_sp
 int	tgetflag_sp(
 		SCREEN	*sp, 
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetflag
 int	tgetflag(
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetnum_sp
 int	tgetnum_sp(
 		SCREEN	*sp, 
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetnum
 int	tgetnum(
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetstr_sp
 char	*tgetstr_sp(
 		SCREEN	*sp, 
-		char	*id, 
+		const char *id, 
 		char	**area)
 		{ return(*(char **)0); }
 
 #undef tgetstr
 char	*tgetstr(
-		char	*id, 
+		const char *id, 
 		char	**area)
 		{ return(*(char **)0); }
 
@@ -3503,34 +3577,34 @@ char	*tgoto(
 #undef tigetflag_sp
 int	tigetflag_sp(
 		SCREEN	*sp, 
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetflag
 int	tigetflag(
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetnum_sp
 int	tigetnum_sp(
 		SCREEN	*sp, 
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetnum
 int	tigetnum(
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetstr_sp
 char	*tigetstr_sp(
 		SCREEN	*sp, 
-		char	*str)
+		const char *str)
 		{ return(*(char **)0); }
 
 #undef tigetstr
 char	*tigetstr(
-		char	*str)
+		const char *str)
 		{ return(*(char **)0); }
 
 /* ./tinfo/lib_tparm.c */
@@ -3547,7 +3621,7 @@ int	_nc_tparm_analyze(
 
 #undef tparm
 char	*tparm(
-		char	*string, 
+		const char *string, 
 		...)
 		{ return(*(char **)0); }
 
@@ -3668,6 +3742,11 @@ const char *_nc_tputs_trace = {0};
 #undef _nc_outchars
 long	_nc_outchars;
 
+#undef curses_trace
+unsigned curses_trace(
+		unsigned tracelevel)
+		{ return(*(unsigned *)0); }
+
 #undef trace
 void	trace(
 		const unsigned int tracelevel)
@@ -3710,9 +3789,9 @@ const char *_nc_retrace_cptr(
 		{ return(*(const char **)0); }
 
 #undef _nc_retrace_cvoid_ptr
-void	*_nc_retrace_cvoid_ptr(
-		void	*code)
-		{ return(*(void **)0); }
+const void *_nc_retrace_cvoid_ptr(
+		const void *code)
+		{ return(*(const void **)0); }
 
 #undef _nc_retrace_void_ptr
 void	*_nc_retrace_void_ptr(
@@ -3729,6 +3808,13 @@ WINDOW	*_nc_retrace_win(
 		WINDOW	*code)
 		{ return(*(WINDOW **)0); }
 
+#undef _nc_fmt_funcptr
+char	*_nc_fmt_funcptr(
+		char	*target, 
+		const char *source, 
+		size_t	size)
+		{ return(*(char **)0); }
+
 /* ./trace/lib_traceatr.c */
 
 #undef _traceattr2
@@ -3776,11 +3862,6 @@ chtype	_nc_retrace_chtype(
 
 /* ./trace/lib_tracebits.c */
 
-typedef struct {
-    unsigned int val;
-    const char *name;
-} BITNAMES;
-
 #undef _nc_trace_ttymode
 char	*_nc_trace_ttymode(
 		struct termios *tty)
@@ -3908,17 +3989,17 @@ int	_nc_name_match(
 /* ./names.c */
 
 #undef boolnames
-char	*const boolnames[] = {0};
+const char *const boolnames[] = {0};
 #undef boolfnames
-char	*const boolfnames[] = {0};
+const char *const boolfnames[] = {0};
 #undef numnames
-char	*const numnames[] = {0};
+const char *const numnames[] = {0};
 #undef numfnames
-char	*const numfnames[] = {0};
+const char *const numfnames[] = {0};
 #undef strnames
-char	*const strnames[] = {0};
+const char *const strnames[] = {0};
 #undef strfnames
-char	*const strfnames[] = {0};
+const char *const strfnames[] = {0};
 
 /* ./tinfo/obsolete.c */
 
@@ -3939,12 +4020,12 @@ void	_nc_set_buffer(
 
 #undef _nc_init_termtype
 void	_nc_init_termtype(
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ /* void */ }
 
 #undef _nc_read_termtype
 int	_nc_read_termtype(
-		TERMTYPE *ptr, 
+		TERMTYPE2 *ptr, 
 		char	*buffer, 
 		int	limit)
 		{ return(*(int *)0); }
@@ -3952,21 +4033,23 @@ int	_nc_read_termtype(
 #undef _nc_read_file_entry
 int	_nc_read_file_entry(
 		const char *const filename, 
-		TERMTYPE *ptr)
+		TERMTYPE2 *ptr)
 		{ return(*(int *)0); }
 
 #undef _nc_read_entry
 int	_nc_read_entry(
 		const char *const name, 
 		char	*const filename, 
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ return(*(int *)0); }
 
 /* ./tinfo/read_termcap.c */
 
-#undef _nc_read_termcap
-void	_nc_read_termcap(void)
-		{ /* void */ }
+#undef _nc_read_termcap_entry
+int	_nc_read_termcap_entry(
+		const char *const tn, 
+		TERMTYPE2 *const tp)
+		{ return(*(int *)0); }
 
 /* ./tinfo/strings.c */
 
@@ -4048,21 +4131,21 @@ int	_nc_remove_string(
 
 #undef _nc_trim_sgr0
 char	*_nc_trim_sgr0(
-		TERMTYPE *tp)
+		TERMTYPE2 *tp)
 		{ return(*(char **)0); }
 
 /* ./unctrl.c */
 
 #undef unctrl_sp
-char	*unctrl_sp(
+const char *unctrl_sp(
 		SCREEN	*sp, 
 		chtype	ch)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 #undef unctrl
-char	*unctrl(
+const char *unctrl(
 		chtype	ch)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 /* ./trace/visbuf.c */
 
@@ -4100,7 +4183,7 @@ const char *_nc_viscbuf(
 
 #undef _nc_init_entry
 void	_nc_init_entry(
-		TERMTYPE *const tp)
+		ENTRY	*const tp)
 		{ /* void */ }
 
 #undef _nc_copy_entry
@@ -4121,8 +4204,8 @@ void	_nc_wrap_entry(
 
 #undef _nc_merge_entry
 void	_nc_merge_entry(
-		TERMTYPE *const to, 
-		TERMTYPE *const from)
+		ENTRY	*const target, 
+		ENTRY	*const source)
 		{ /* void */ }
 
 /* ./tinfo/captoinfo.c */
@@ -4154,11 +4237,8 @@ char	*_nc_tic_expand(
 
 #undef _nc_check_termtype2
 void	(*_nc_check_termtype2)(
-		TERMTYPE *p1, 
+		TERMTYPE2 *p1, 
 		NCURSES_BOOL p2);
-#undef _nc_check_termtype
-void	(*_nc_check_termtype)(
-		TERMTYPE *p1);
 
 #undef _nc_entry_match
 NCURSES_BOOL _nc_entry_match(
@@ -4182,11 +4262,6 @@ int	_nc_resolve_uses2(
 		NCURSES_BOOL literal)
 		{ return(*(int *)0); }
 
-#undef _nc_resolve_uses
-int	_nc_resolve_uses(
-		NCURSES_BOOL fullresolve)
-		{ return(*(int *)0); }
-
 /* ./tinfo/comp_scan.c */
 
 #undef _nc_syntax
@@ -4237,7 +4312,7 @@ void	_nc_panic_mode(
 
 #undef _nc_parse_entry
 int	_nc_parse_entry(
-		struct entry *entryp, 
+		ENTRY	*entryp, 
 		int	literal, 
 		NCURSES_BOOL silent)
 		{ return(*(int *)0); }
@@ -4248,23 +4323,26 @@ int	_nc_capcmp(
 		const char *t)
 		{ return(*(int *)0); }
 
-typedef struct {
-    const char *from;
-    const char *to;
-} assoc;
-
 /* ./tinfo/write_entry.c */
 
 #undef _nc_set_writedir
 void	_nc_set_writedir(
-		char	*dir)
+		const char *dir)
 		{ /* void */ }
 
 #undef _nc_write_entry
 void	_nc_write_entry(
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ /* void */ }
 
+#undef _nc_write_object
+int	_nc_write_object(
+		TERMTYPE2 *tp, 
+		char	*buffer, 
+		unsigned *offset, 
+		unsigned limit)
+		{ return(*(int *)0); }
+
 #undef _nc_tic_written
 int	_nc_tic_written(void)
 		{ return(*(int *)0); }
diff --git a/ncurses/llib-lncursest b/ncurses/llib-lncursest
index 3401ad363cbc..eb43bfd35b23 100644
--- a/ncurses/llib-lncursest
+++ b/ncurses/llib-lncursest
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2008-2011,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 2008-2017,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -27,7 +27,7 @@
  ****************************************************************************/
 
 /****************************************************************************
- *  Author: Thomas E. Dickey 2008-on                                        *
+ *  Author: Thomas E. Dickey       2008-on                                  *
  ****************************************************************************/
 /* LINTLIBRARY */
 
@@ -95,8 +95,6 @@ void	_nc_scroll_oldhash(
 
 /* ./base/lib_addch.c */
 
-#include <ctype.h>
-
 #undef _nc_render
 chtype	_nc_render(
 		WINDOW	*win, 
@@ -184,7 +182,7 @@ int	wchgat(
 		WINDOW	*win, 
 		int	n, 
 		attr_t	attr, 
-		short	color, 
+		short	pair_arg, 
 		const void *opts)
 		{ return(*(int *)0); }
 
@@ -219,8 +217,6 @@ int	wclrtoeol(
 
 /* ./base/lib_color.c */
 
-#include <tic.h>
-
 #undef _nc_COLOR_PAIRS
 int	_nc_COLOR_PAIRS(void)
 		{ return(*(int *)0); }
@@ -247,6 +243,26 @@ int	start_color_sp(
 int	start_color(void)
 		{ return(*(int *)0); }
 
+#undef _nc_change_pair
+void	_nc_change_pair(
+		SCREEN	*sp, 
+		int	pair)
+		{ /* void */ }
+
+#undef _nc_reserve_pairs
+void	_nc_reserve_pairs(
+		SCREEN	*sp, 
+		int	want)
+		{ /* void */ }
+
+#undef _nc_init_pair
+int	_nc_init_pair(
+		SCREEN	*sp, 
+		int	pair, 
+		int	f, 
+		int	b)
+		{ return(*(int *)0); }
+
 #undef init_pair_sp
 int	init_pair_sp(
 		SCREEN	*sp, 
@@ -262,6 +278,15 @@ int	init_pair(
 		short	b)
 		{ return(*(int *)0); }
 
+#undef _nc_init_color
+int	_nc_init_color(
+		SCREEN	*sp, 
+		int	color, 
+		int	r, 
+		int	g, 
+		int	b)
+		{ return(*(int *)0); }
+
 #undef init_color_sp
 int	init_color_sp(
 		SCREEN	*sp, 
@@ -314,6 +339,14 @@ int	color_content(
 		short	*b)
 		{ return(*(int *)0); }
 
+#undef _nc_pair_content
+int	_nc_pair_content(
+		SCREEN	*sp, 
+		int	pair, 
+		int	*f, 
+		int	*b)
+		{ return(*(int *)0); }
+
 #undef pair_content_sp
 int	pair_content_sp(
 		SCREEN	*sp, 
@@ -351,7 +384,7 @@ void	_nc_do_color(
 #undef wcolor_set
 int	wcolor_set(
 		WINDOW	*win, 
-		short	color_pair_number, 
+		short	pair_arg, 
 		void	*opts)
 		{ return(*(int *)0); }
 
@@ -420,8 +453,6 @@ int	flash(void)
 
 /* ./lib_gen.c */
 
-#include <ncurses_cfg.h>
-
 #undef addch
 int	(addch)(
 		const chtype z)
@@ -451,17 +482,17 @@ int	(addstr)(
 
 #undef attroff
 int	(attroff)(
-		int	z)
+		NCURSES_ATTR_T	z)
 		{ return(*(int *)0); }
 
 #undef attron
 int	(attron)(
-		int	z)
+		NCURSES_ATTR_T	z)
 		{ return(*(int *)0); }
 
 #undef attrset
 int	(attrset)(
-		int	z)
+		NCURSES_ATTR_T	z)
 		{ return(*(int *)0); }
 
 #undef attr_get
@@ -1032,20 +1063,6 @@ int	(vline)(
 		int	z)
 		{ return(*(int *)0); }
 
-#undef vw_printw
-int	(vw_printw)(
-		WINDOW	*a1, 
-		const char *a2, 
-		va_list	z)
-		{ return(*(int *)0); }
-
-#undef vw_scanw
-int	(vw_scanw)(
-		WINDOW	*a1, 
-		char	*a2, 
-		va_list	z)
-		{ return(*(int *)0); }
-
 #undef waddchstr
 int	(waddchstr)(
 		WINDOW	*a1, 
@@ -1246,6 +1263,11 @@ NCURSES_BOOL (is_syncok)(
 		const WINDOW *z)
 		{ return(*(NCURSES_BOOL *)0); }
 
+#undef wgetdelay
+int	(wgetdelay)(
+		const WINDOW *z)
+		{ return(*(int *)0); }
+
 #undef wgetscrreg
 int	(wgetscrreg)(
 		const WINDOW *a1, 
@@ -1262,8 +1284,6 @@ NCURSES_BOOL (mouse_trafo)(
 
 /* ./base/lib_getch.c */
 
-#include <fifo_defs.h>
-
 #undef _nc_ESCDELAY
 int	_nc_ESCDELAY(void)
 		{ return(*(int *)0); }
@@ -1603,22 +1623,20 @@ void	nofilter(void)
 #undef newterm_sp
 SCREEN	*newterm_sp(
 		SCREEN	*sp, 
-		char	*name, 
+		const char *name, 
 		FILE	*ofp, 
 		FILE	*ifp)
 		{ return(*(SCREEN **)0); }
 
 #undef newterm
 SCREEN	*newterm(
-		char	*name, 
+		const char *name, 
 		FILE	*ofp, 
 		FILE	*ifp)
 		{ return(*(SCREEN **)0); }
 
 /* ./base/lib_newwin.c */
 
-#include "/usr/lib/gcc/x86_64-linux-gnu/4.4.5/include/stddef.h"
-
 #undef _nc_freewin
 int	_nc_freewin(
 		WINDOW	*win)
@@ -1822,6 +1840,13 @@ int	vwprintw(
 		va_list	argp)
 		{ return(*(int *)0); }
 
+#undef vw_printw
+int	vw_printw(
+		WINDOW	*win, 
+		const char *fmt, 
+		va_list	argp)
+		{ return(*(int *)0); }
+
 /* ./base/lib_redrawln.c */
 
 #undef wredrawln
@@ -1848,14 +1873,14 @@ int	wnoutrefresh(
 #undef restartterm_sp
 int	restartterm_sp(
 		SCREEN	*sp, 
-		char	*termp, 
+		const char *termp, 
 		int	filenum, 
 		int	*errret)
 		{ return(*(int *)0); }
 
 #undef restartterm
 int	restartterm(
-		char	*termp, 
+		const char *termp, 
 		int	filenum, 
 		int	*errret)
 		{ return(*(int *)0); }
@@ -1865,20 +1890,27 @@ int	restartterm(
 #undef vwscanw
 int	vwscanw(
 		WINDOW	*win, 
-		char	*fmt, 
+		const char *fmt, 
+		va_list	argp)
+		{ return(*(int *)0); }
+
+#undef vw_scanw
+int	vw_scanw(
+		WINDOW	*win, 
+		const char *fmt, 
 		va_list	argp)
 		{ return(*(int *)0); }
 
 #undef scanw
 int	scanw(
-		char	*fmt, 
+		const char *fmt, 
 		...)
 		{ return(*(int *)0); }
 
 #undef wscanw
 int	wscanw(
 		WINDOW	*win, 
-		char	*fmt, 
+		const char *fmt, 
 		...)
 		{ return(*(int *)0); }
 
@@ -1886,7 +1918,7 @@ int	wscanw(
 int	mvscanw(
 		int	y, 
 		int	x, 
-		char	*fmt, 
+		const char *fmt, 
 		...)
 		{ return(*(int *)0); }
 
@@ -1895,7 +1927,7 @@ int	mvwscanw(
 		WINDOW	*win, 
 		int	y, 
 		int	x, 
-		char	*fmt, 
+		const char *fmt, 
 		...)
 		{ return(*(int *)0); }
 
@@ -2084,14 +2116,14 @@ int	slk_restore(void)
 int	slk_attr_set_sp(
 		SCREEN	*sp, 
 		const attr_t attr, 
-		short	color_pair_number, 
+		short	pair_arg, 
 		void	*opts)
 		{ return(*(int *)0); }
 
 #undef slk_attr_set
 int	slk_attr_set(
 		const attr_t attr, 
-		short	color_pair_number, 
+		short	pair_arg, 
 		void	*opts)
 		{ return(*(int *)0); }
 
@@ -2161,12 +2193,12 @@ int	slk_clear(void)
 #undef slk_color_sp
 int	slk_color_sp(
 		SCREEN	*sp, 
-		short	color_pair_number)
+		short	pair_arg)
 		{ return(*(int *)0); }
 
 #undef slk_color
 int	slk_color(
-		short	color_pair_number)
+		short	pair_arg)
 		{ return(*(int *)0); }
 
 /* ./base/lib_slkinit.c */
@@ -2274,6 +2306,12 @@ void	_tracedump(
 
 /* ./trace/lib_tracemse.c */
 
+#undef _nc_trace_mmask_t
+char	*_nc_trace_mmask_t(
+		SCREEN	*sp, 
+		mmask_t	code)
+		{ return(*(char **)0); }
+
 #undef _nc_tracemouse
 char	*_nc_tracemouse(
 		SCREEN	*sp, 
@@ -2293,8 +2331,6 @@ char	*_tracemouse(
 
 /* ./tty/lib_tstp.c */
 
-#include <SigAction.h>
-
 #undef _nc_signal_handler
 void	_nc_signal_handler(
 		int	enable)
@@ -2455,9 +2491,6 @@ char	*_nc_printf_string(
 
 /* ./tty/tty_update.c */
 
-#include <sys/time.h>
-#include <sys/times.h>
-
 #undef doupdate_sp
 int	doupdate_sp(
 		SCREEN	*sp)
@@ -2524,10 +2557,6 @@ void	_nc_do_xmc_glitch(
 
 /* ./trace/varargs.c */
 
-typedef enum {
-    atUnknown = 0, atInteger, atFloat, atPoint, atString
-} ARGTYPE;
-
 #undef _nc_varargs
 char	*_nc_varargs(
 		const char *fmt, 
@@ -2557,6 +2586,11 @@ void	_nc_free_and_exit(
 		int	code)
 		{ /* void */ }
 
+#undef exit_curses
+void	exit_curses(
+		int	code)
+		{ /* void */ }
+
 /* ./expanded.c */
 
 #undef _nc_toggle_attr_on
@@ -2656,6 +2690,12 @@ int	mcprint(
 		int	len)
 		{ return(*(int *)0); }
 
+/* ./base/new_pair.c */
+
+#undef _nc_new_pair
+void	_nc_new_pair(void)
+		{ /* void */ }
+
 /* ./base/resizeterm.c */
 
 #undef is_term_resized_sp
@@ -2786,8 +2826,8 @@ int	_nc_add_to_try(
 
 #undef _nc_align_termtype
 void	_nc_align_termtype(
-		TERMTYPE *to, 
-		TERMTYPE *from)
+		TERMTYPE2 *to, 
+		TERMTYPE2 *from)
 		{ /* void */ }
 
 #undef _nc_copy_termtype
@@ -2799,21 +2839,19 @@ void	_nc_copy_termtype(
 /* ./codes.c */
 
 #undef _nc_boolcodes
-char	*const *_nc_boolcodes(void)
-		{ return(*(char **)0); }
+const char *const *_nc_boolcodes(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_numcodes
-char	*const *_nc_numcodes(void)
-		{ return(*(char **)0); }
+const char *const *_nc_numcodes(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_strcodes
-char	*const *_nc_strcodes(void)
-		{ return(*(char **)0); }
+const char *const *_nc_strcodes(void)
+		{ return(*(const char **)0); }
 
 /* ./comp_captab.c */
 
-#include <hashsize.h>
-
 #undef _nc_get_table
 const struct name_table_entry *_nc_get_table(
 		NCURSES_BOOL termcap)
@@ -2895,9 +2933,22 @@ struct name_table_entry const *_nc_find_type_entry(
 		NCURSES_BOOL termcap)
 		{ return(*(struct name_table_entry const **)0); }
 
-/* ./tinfo/db_iterator.c */
+#undef _nc_find_user_entry
+struct user_table_entry const *_nc_find_user_entry(
+		const char *string)
+		{ return(*(struct user_table_entry const **)0); }
+
+/* ./comp_userdefs.c */
+
+#undef _nc_get_userdefs_table
+const struct user_table_entry *_nc_get_userdefs_table(void)
+		{ return(*(const struct user_table_entry **)0); }
 
-#include <time.h>
+#undef _nc_get_hash_user
+const HashData *_nc_get_hash_user(void)
+		{ return(*(const HashData **)0); }
+
+/* ./tinfo/db_iterator.c */
 
 #undef _nc_tic_dir
 const char *_nc_tic_dir(
@@ -2943,7 +2994,7 @@ ENTRY	*_nc_tail;
 #undef _nc_free_entry
 void	_nc_free_entry(
 		ENTRY	*headp, 
-		TERMTYPE *tterm)
+		TERMTYPE2 *tterm)
 		{ /* void */ }
 
 #undef _nc_free_entries
@@ -2951,22 +3002,21 @@ void	_nc_free_entries(
 		ENTRY	*headp)
 		{ /* void */ }
 
-#undef _nc_delink_entry
-ENTRY	*_nc_delink_entry(
-		ENTRY	*headp, 
-		TERMTYPE *tterm)
-		{ return(*(ENTRY **)0); }
-
 #undef _nc_leaks_tinfo
 void	_nc_leaks_tinfo(void)
 		{ /* void */ }
 
+#undef exit_terminfo
+void	exit_terminfo(
+		int	code)
+		{ /* void */ }
+
 /* ./fallback.c */
 
 #undef _nc_fallback
-const TERMTYPE *_nc_fallback(
+const TERMTYPE2 *_nc_fallback(
 		const char *name)
-		{ return(*(const TERMTYPE **)0); }
+		{ return(*(const TERMTYPE2 **)0); }
 
 /* ./tinfo/free_ttype.c */
 
@@ -3004,15 +3054,6 @@ char	*_nc_home_terminfo(void)
 
 /* ./tinfo/init_keytry.c */
 
-#if 0
-
-#include <init_keytry.h>
-
-#undef _nc_tinfo_fkeys
-const struct tinfo_fkeys _nc_tinfo_fkeys[] = {0};
-
-#endif
-
 #undef _nc_init_keytry
 void	_nc_init_keytry(
 		SCREEN	*sp)
@@ -3035,11 +3076,9 @@ void	_nc_init_acs(void)
 
 /* ./tinfo/lib_baudrate.c */
 
-#include <termcap.h>
-
 struct speed {
-    int s; 
-    int sp; 
+    int given_speed; 
+    int actual_speed; 
 };
 
 #undef _nc_baudrate
@@ -3204,15 +3243,15 @@ int	flushinp(void)
 struct kn { short offset; int code; };
 
 #undef keyname_sp
-char	*keyname_sp(
+const char *keyname_sp(
 		SCREEN	*sp, 
 		int	c)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 #undef keyname
-char	*keyname(
+const char *keyname(
 		int	c)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 /* ./tinfo/lib_longname.c */
 
@@ -3410,10 +3449,6 @@ int	intrflush(
 
 /* ./tinfo/lib_setup.c */
 
-#include <locale.h>
-#include <sys/ioctl.h>
-#include <langinfo.h>
-
 #undef _nc_ttytype
 char	*_nc_ttytype(void)
 		{ return(*(char **)0); }
@@ -3498,7 +3533,7 @@ void	_nc_update_screensize(
 #undef _nc_setup_tinfo
 int	_nc_setup_tinfo(
 		const char *const tn, 
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ return(*(int *)0); }
 
 #undef _nc_tinfo_cmdch
@@ -3522,19 +3557,27 @@ int	_nc_locale_breaks_acs(
 
 #undef _nc_setupterm
 int	_nc_setupterm(
-		char	*tname, 
+		const char *tname, 
 		int	Filedes, 
 		int	*errret, 
 		int	reuse)
 		{ return(*(int *)0); }
 
+#undef _nc_find_prescr
+SCREEN	*_nc_find_prescr(void)
+		{ return(*(SCREEN **)0); }
+
+#undef _nc_forget_prescr
+void	_nc_forget_prescr(void)
+		{ /* void */ }
+
 #undef new_prescr
 SCREEN	*new_prescr(void)
 		{ return(*(SCREEN **)0); }
 
 #undef setupterm
 int	setupterm(
-		char	*tname, 
+		const char *tname, 
 		int	Filedes, 
 		int	*errret)
 		{ return(*(int *)0); }
@@ -3553,12 +3596,6 @@ int	tgetent_sp(
 		const char *name)
 		{ return(*(int *)0); }
 
-#if 0
-
-#include <capdefaults.c>
-
-#endif
-
 #undef tgetent
 int	tgetent(
 		char	*bufp, 
@@ -3568,35 +3605,35 @@ int	tgetent(
 #undef tgetflag_sp
 int	tgetflag_sp(
 		SCREEN	*sp, 
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetflag
 int	tgetflag(
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetnum_sp
 int	tgetnum_sp(
 		SCREEN	*sp, 
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetnum
 int	tgetnum(
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetstr_sp
 char	*tgetstr_sp(
 		SCREEN	*sp, 
-		char	*id, 
+		const char *id, 
 		char	**area)
 		{ return(*(char **)0); }
 
 #undef tgetstr
 char	*tgetstr(
-		char	*id, 
+		const char *id, 
 		char	**area)
 		{ return(*(char **)0); }
 
@@ -3625,34 +3662,34 @@ char	*tgoto(
 #undef tigetflag_sp
 int	tigetflag_sp(
 		SCREEN	*sp, 
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetflag
 int	tigetflag(
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetnum_sp
 int	tigetnum_sp(
 		SCREEN	*sp, 
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetnum
 int	tigetnum(
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetstr_sp
 char	*tigetstr_sp(
 		SCREEN	*sp, 
-		char	*str)
+		const char *str)
 		{ return(*(char **)0); }
 
 #undef tigetstr
 char	*tigetstr(
-		char	*str)
+		const char *str)
 		{ return(*(char **)0); }
 
 /* ./tinfo/lib_tparm.c */
@@ -3669,7 +3706,7 @@ int	_nc_tparm_analyze(
 
 #undef tparm
 char	*tparm(
-		char	*string, 
+		const char *string, 
 		...)
 		{ return(*(char **)0); }
 
@@ -3804,6 +3841,11 @@ void	_nc_count_outchars(
 		long	increment)
 		{ /* void */ }
 
+#undef curses_trace
+unsigned curses_trace(
+		unsigned tracelevel)
+		{ return(*(unsigned *)0); }
+
 #undef trace
 void	trace(
 		const unsigned int tracelevel)
@@ -3846,9 +3888,9 @@ const char *_nc_retrace_cptr(
 		{ return(*(const char **)0); }
 
 #undef _nc_retrace_cvoid_ptr
-void	*_nc_retrace_cvoid_ptr(
-		void	*code)
-		{ return(*(void **)0); }
+const void *_nc_retrace_cvoid_ptr(
+		const void *code)
+		{ return(*(const void **)0); }
 
 #undef _nc_retrace_void_ptr
 void	*_nc_retrace_void_ptr(
@@ -3865,6 +3907,13 @@ WINDOW	*_nc_retrace_win(
 		WINDOW	*code)
 		{ return(*(WINDOW **)0); }
 
+#undef _nc_fmt_funcptr
+char	*_nc_fmt_funcptr(
+		char	*target, 
+		const char *source, 
+		size_t	size)
+		{ return(*(char **)0); }
+
 #undef _nc_use_tracef
 int	_nc_use_tracef(
 		unsigned mask)
@@ -3923,11 +3972,6 @@ chtype	_nc_retrace_chtype(
 
 /* ./trace/lib_tracebits.c */
 
-typedef struct {
-    unsigned int val;
-    const char *name;
-} BITNAMES;
-
 #undef _nc_trace_ttymode
 char	*_nc_trace_ttymode(
 		struct termios *tty)
@@ -4055,28 +4099,28 @@ int	_nc_name_match(
 /* ./names.c */
 
 #undef _nc_boolnames
-char	*const *_nc_boolnames(void)
-		{ return(*(char **)0); }
+const char *const *_nc_boolnames(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_boolfnames
-char	*const *_nc_boolfnames(void)
-		{ return(*(char **)0); }
+const char *const *_nc_boolfnames(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_numnames
-char	*const *_nc_numnames(void)
-		{ return(*(char **)0); }
+const char *const *_nc_numnames(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_numfnames
-char	*const *_nc_numfnames(void)
-		{ return(*(char **)0); }
+const char *const *_nc_numfnames(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_strnames
-char	*const *_nc_strnames(void)
-		{ return(*(char **)0); }
+const char *const *_nc_strnames(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_strfnames
-char	*const *_nc_strfnames(void)
-		{ return(*(char **)0); }
+const char *const *_nc_strfnames(void)
+		{ return(*(const char **)0); }
 
 /* ./tinfo/obsolete.c */
 
@@ -4095,16 +4139,14 @@ void	_nc_set_buffer(
 
 /* ./tinfo/read_entry.c */
 
-#include <hashed_db.h>
-
 #undef _nc_init_termtype
 void	_nc_init_termtype(
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ /* void */ }
 
 #undef _nc_read_termtype
 int	_nc_read_termtype(
-		TERMTYPE *ptr, 
+		TERMTYPE2 *ptr, 
 		char	*buffer, 
 		int	limit)
 		{ return(*(int *)0); }
@@ -4112,23 +4154,23 @@ int	_nc_read_termtype(
 #undef _nc_read_file_entry
 int	_nc_read_file_entry(
 		const char *const filename, 
-		TERMTYPE *ptr)
+		TERMTYPE2 *ptr)
 		{ return(*(int *)0); }
 
 #undef _nc_read_entry
 int	_nc_read_entry(
 		const char *const name, 
 		char	*const filename, 
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ return(*(int *)0); }
 
 /* ./tinfo/read_termcap.c */
 
-#include <sys/types.h>
-
-#undef _nc_read_termcap
-void	_nc_read_termcap(void)
-		{ /* void */ }
+#undef _nc_read_termcap_entry
+int	_nc_read_termcap_entry(
+		const char *const tn, 
+		TERMTYPE2 *const tp)
+		{ return(*(int *)0); }
 
 /* ./tinfo/strings.c */
 
@@ -4210,21 +4252,21 @@ int	_nc_remove_string(
 
 #undef _nc_trim_sgr0
 char	*_nc_trim_sgr0(
-		TERMTYPE *tp)
+		TERMTYPE2 *tp)
 		{ return(*(char **)0); }
 
 /* ./unctrl.c */
 
 #undef unctrl_sp
-char	*unctrl_sp(
+const char *unctrl_sp(
 		SCREEN	*sp, 
 		chtype	ch)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 #undef unctrl
-char	*unctrl(
+const char *unctrl(
 		chtype	ch)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 /* ./trace/visbuf.c */
 
@@ -4262,7 +4304,7 @@ const char *_nc_viscbuf(
 
 #undef _nc_init_entry
 void	_nc_init_entry(
-		TERMTYPE *const tp)
+		ENTRY	*const tp)
 		{ /* void */ }
 
 #undef _nc_copy_entry
@@ -4283,8 +4325,8 @@ void	_nc_wrap_entry(
 
 #undef _nc_merge_entry
 void	_nc_merge_entry(
-		TERMTYPE *const to, 
-		TERMTYPE *const from)
+		ENTRY	*const target, 
+		ENTRY	*const source)
 		{ /* void */ }
 
 /* ./tinfo/captoinfo.c */
@@ -4316,11 +4358,8 @@ char	*_nc_tic_expand(
 
 #undef _nc_check_termtype2
 void	(*_nc_check_termtype2)(
-		TERMTYPE *p1, 
+		TERMTYPE2 *p1, 
 		NCURSES_BOOL p2);
-#undef _nc_check_termtype
-void	(*_nc_check_termtype)(
-		TERMTYPE *p1);
 
 #undef _nc_entry_match
 NCURSES_BOOL _nc_entry_match(
@@ -4344,11 +4383,6 @@ int	_nc_resolve_uses2(
 		NCURSES_BOOL literal)
 		{ return(*(int *)0); }
 
-#undef _nc_resolve_uses
-int	_nc_resolve_uses(
-		NCURSES_BOOL fullresolve)
-		{ return(*(int *)0); }
-
 /* ./tinfo/comp_scan.c */
 
 #undef _nc_syntax
@@ -4399,7 +4433,7 @@ void	_nc_panic_mode(
 
 #undef _nc_parse_entry
 int	_nc_parse_entry(
-		struct entry *entryp, 
+		ENTRY	*entryp, 
 		int	literal, 
 		NCURSES_BOOL silent)
 		{ return(*(int *)0); }
@@ -4410,23 +4444,26 @@ int	_nc_capcmp(
 		const char *t)
 		{ return(*(int *)0); }
 
-typedef struct {
-    const char *from;
-    const char *to;
-} assoc;
-
 /* ./tinfo/write_entry.c */
 
 #undef _nc_set_writedir
 void	_nc_set_writedir(
-		char	*dir)
+		const char *dir)
 		{ /* void */ }
 
 #undef _nc_write_entry
 void	_nc_write_entry(
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ /* void */ }
 
+#undef _nc_write_object
+int	_nc_write_object(
+		TERMTYPE2 *tp, 
+		char	*buffer, 
+		unsigned *offset, 
+		unsigned limit)
+		{ return(*(int *)0); }
+
 #undef _nc_tic_written
 int	_nc_tic_written(void)
 		{ return(*(int *)0); }
diff --git a/ncurses/llib-lncursestw b/ncurses/llib-lncursestw
index b1919c43e822..40a9f5ed87ac 100644
--- a/ncurses/llib-lncursestw
+++ b/ncurses/llib-lncursestw
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2009-2011,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 2009-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -27,7 +27,7 @@
  ****************************************************************************/
 
 /****************************************************************************
- *  Author: Thomas E. Dickey 2009-on                                        *
+ *  Author: Thomas E. Dickey       2009-on                                  *
  ****************************************************************************/
 /* LINTLIBRARY */
 
@@ -95,8 +95,6 @@ void	_nc_scroll_oldhash(
 
 /* ./base/lib_addch.c */
 
-#include <ctype.h>
-
 #undef _nc_render
 cchar_t	_nc_render(
 		WINDOW	*win, 
@@ -221,7 +219,7 @@ int	wchgat(
 		WINDOW	*win, 
 		int	n, 
 		attr_t	attr, 
-		short	color, 
+		short	pair_arg, 
 		const void *opts)
 		{ return(*(int *)0); }
 
@@ -256,8 +254,6 @@ int	wclrtoeol(
 
 /* ./base/lib_color.c */
 
-#include <tic.h>
-
 #undef _nc_COLOR_PAIRS
 int	_nc_COLOR_PAIRS(void)
 		{ return(*(int *)0); }
@@ -284,6 +280,26 @@ int	start_color_sp(
 int	start_color(void)
 		{ return(*(int *)0); }
 
+#undef _nc_change_pair
+void	_nc_change_pair(
+		SCREEN	*sp, 
+		int	pair)
+		{ /* void */ }
+
+#undef _nc_reserve_pairs
+void	_nc_reserve_pairs(
+		SCREEN	*sp, 
+		int	want)
+		{ /* void */ }
+
+#undef _nc_init_pair
+int	_nc_init_pair(
+		SCREEN	*sp, 
+		int	pair, 
+		int	f, 
+		int	b)
+		{ return(*(int *)0); }
+
 #undef init_pair_sp
 int	init_pair_sp(
 		SCREEN	*sp, 
@@ -299,6 +315,15 @@ int	init_pair(
 		short	b)
 		{ return(*(int *)0); }
 
+#undef _nc_init_color
+int	_nc_init_color(
+		SCREEN	*sp, 
+		int	color, 
+		int	r, 
+		int	g, 
+		int	b)
+		{ return(*(int *)0); }
+
 #undef init_color_sp
 int	init_color_sp(
 		SCREEN	*sp, 
@@ -351,6 +376,14 @@ int	color_content(
 		short	*b)
 		{ return(*(int *)0); }
 
+#undef _nc_pair_content
+int	_nc_pair_content(
+		SCREEN	*sp, 
+		int	pair, 
+		int	*f, 
+		int	*b)
+		{ return(*(int *)0); }
+
 #undef pair_content_sp
 int	pair_content_sp(
 		SCREEN	*sp, 
@@ -383,12 +416,85 @@ void	_nc_do_color(
 		NCURSES_OUTC outc)
 		{ /* void */ }
 
+#undef init_extended_pair_sp
+int	init_extended_pair_sp(
+		SCREEN	*sp, 
+		int	pair, 
+		int	f, 
+		int	b)
+		{ return(*(int *)0); }
+
+#undef init_extended_color_sp
+int	init_extended_color_sp(
+		SCREEN	*sp, 
+		int	color, 
+		int	r, 
+		int	g, 
+		int	b)
+		{ return(*(int *)0); }
+
+#undef extended_color_content_sp
+int	extended_color_content_sp(
+		SCREEN	*sp, 
+		int	color, 
+		int	*r, 
+		int	*g, 
+		int	*b)
+		{ return(*(int *)0); }
+
+#undef extended_pair_content_sp
+int	extended_pair_content_sp(
+		SCREEN	*sp, 
+		int	pair, 
+		int	*f, 
+		int	*b)
+		{ return(*(int *)0); }
+
+#undef reset_color_pairs_sp
+void	reset_color_pairs_sp(
+		SCREEN	*sp)
+		{ /* void */ }
+
+#undef init_extended_pair
+int	init_extended_pair(
+		int	pair, 
+		int	f, 
+		int	b)
+		{ return(*(int *)0); }
+
+#undef init_extended_color
+int	init_extended_color(
+		int	color, 
+		int	r, 
+		int	g, 
+		int	b)
+		{ return(*(int *)0); }
+
+#undef extended_color_content
+int	extended_color_content(
+		int	color, 
+		int	*r, 
+		int	*g, 
+		int	*b)
+		{ return(*(int *)0); }
+
+#undef extended_pair_content
+int	extended_pair_content(
+		int	pair, 
+		int	*f, 
+		int	*b)
+		{ return(*(int *)0); }
+
+#undef reset_color_pairs
+void	reset_color_pairs(void)
+		{ /* void */ }
+
 /* ./base/lib_colorset.c */
 
 #undef wcolor_set
 int	wcolor_set(
 		WINDOW	*win, 
-		short	color_pair_number, 
+		short	pair_arg, 
 		void	*opts)
 		{ return(*(int *)0); }
 
@@ -457,8 +563,6 @@ int	flash(void)
 
 /* ./lib_gen.c */
 
-#include <ncurses_cfg.h>
-
 #undef addch
 int	(addch)(
 		const chtype z)
@@ -488,17 +592,17 @@ int	(addstr)(
 
 #undef attroff
 int	(attroff)(
-		int	z)
+		NCURSES_ATTR_T	z)
 		{ return(*(int *)0); }
 
 #undef attron
 int	(attron)(
-		int	z)
+		NCURSES_ATTR_T	z)
 		{ return(*(int *)0); }
 
 #undef attrset
 int	(attrset)(
-		int	z)
+		NCURSES_ATTR_T	z)
 		{ return(*(int *)0); }
 
 #undef attr_get
@@ -1081,20 +1185,6 @@ int	(vline)(
 		int	z)
 		{ return(*(int *)0); }
 
-#undef vw_printw
-int	(vw_printw)(
-		WINDOW	*a1, 
-		const char *a2, 
-		va_list	z)
-		{ return(*(int *)0); }
-
-#undef vw_scanw
-int	(vw_scanw)(
-		WINDOW	*a1, 
-		char	*a2, 
-		va_list	z)
-		{ return(*(int *)0); }
-
 #undef waddchstr
 int	(waddchstr)(
 		WINDOW	*a1, 
@@ -1295,6 +1385,11 @@ NCURSES_BOOL (is_syncok)(
 		const WINDOW *z)
 		{ return(*(NCURSES_BOOL *)0); }
 
+#undef wgetdelay
+int	(wgetdelay)(
+		const WINDOW *z)
+		{ return(*(int *)0); }
+
 #undef wgetscrreg
 int	(wgetscrreg)(
 		const WINDOW *a1, 
@@ -1770,8 +1865,6 @@ NCURSES_BOOL (mouse_trafo)(
 
 /* ./base/lib_getch.c */
 
-#include <fifo_defs.h>
-
 #undef _nc_ESCDELAY
 int	_nc_ESCDELAY(void)
 		{ return(*(int *)0); }
@@ -2111,22 +2204,20 @@ void	nofilter(void)
 #undef newterm_sp
 SCREEN	*newterm_sp(
 		SCREEN	*sp, 
-		char	*name, 
+		const char *name, 
 		FILE	*ofp, 
 		FILE	*ifp)
 		{ return(*(SCREEN **)0); }
 
 #undef newterm
 SCREEN	*newterm(
-		char	*name, 
+		const char *name, 
 		FILE	*ofp, 
 		FILE	*ifp)
 		{ return(*(SCREEN **)0); }
 
 /* ./base/lib_newwin.c */
 
-#include "/usr/lib/gcc/x86_64-linux-gnu/4.4.5/include/stddef.h"
-
 #undef _nc_freewin
 int	_nc_freewin(
 		WINDOW	*win)
@@ -2330,6 +2421,13 @@ int	vwprintw(
 		va_list	argp)
 		{ return(*(int *)0); }
 
+#undef vw_printw
+int	vw_printw(
+		WINDOW	*win, 
+		const char *fmt, 
+		va_list	argp)
+		{ return(*(int *)0); }
+
 /* ./base/lib_redrawln.c */
 
 #undef wredrawln
@@ -2356,14 +2454,14 @@ int	wnoutrefresh(
 #undef restartterm_sp
 int	restartterm_sp(
 		SCREEN	*sp, 
-		char	*termp, 
+		const char *termp, 
 		int	filenum, 
 		int	*errret)
 		{ return(*(int *)0); }
 
 #undef restartterm
 int	restartterm(
-		char	*termp, 
+		const char *termp, 
 		int	filenum, 
 		int	*errret)
 		{ return(*(int *)0); }
@@ -2373,20 +2471,27 @@ int	restartterm(
 #undef vwscanw
 int	vwscanw(
 		WINDOW	*win, 
-		char	*fmt, 
+		const char *fmt, 
+		va_list	argp)
+		{ return(*(int *)0); }
+
+#undef vw_scanw
+int	vw_scanw(
+		WINDOW	*win, 
+		const char *fmt, 
 		va_list	argp)
 		{ return(*(int *)0); }
 
 #undef scanw
 int	scanw(
-		char	*fmt, 
+		const char *fmt, 
 		...)
 		{ return(*(int *)0); }
 
 #undef wscanw
 int	wscanw(
 		WINDOW	*win, 
-		char	*fmt, 
+		const char *fmt, 
 		...)
 		{ return(*(int *)0); }
 
@@ -2394,7 +2499,7 @@ int	wscanw(
 int	mvscanw(
 		int	y, 
 		int	x, 
-		char	*fmt, 
+		const char *fmt, 
 		...)
 		{ return(*(int *)0); }
 
@@ -2403,7 +2508,7 @@ int	mvwscanw(
 		WINDOW	*win, 
 		int	y, 
 		int	x, 
-		char	*fmt, 
+		const char *fmt, 
 		...)
 		{ return(*(int *)0); }
 
@@ -2592,14 +2697,14 @@ int	slk_restore(void)
 int	slk_attr_set_sp(
 		SCREEN	*sp, 
 		const attr_t attr, 
-		short	color_pair_number, 
+		short	pair_arg, 
 		void	*opts)
 		{ return(*(int *)0); }
 
 #undef slk_attr_set
 int	slk_attr_set(
 		const attr_t attr, 
-		short	color_pair_number, 
+		short	pair_arg, 
 		void	*opts)
 		{ return(*(int *)0); }
 
@@ -2669,12 +2774,23 @@ int	slk_clear(void)
 #undef slk_color_sp
 int	slk_color_sp(
 		SCREEN	*sp, 
-		short	color_pair_number)
+		short	pair_arg)
 		{ return(*(int *)0); }
 
 #undef slk_color
 int	slk_color(
-		short	color_pair_number)
+		short	pair_arg)
+		{ return(*(int *)0); }
+
+#undef extended_slk_color_sp
+int	extended_slk_color_sp(
+		SCREEN	*sp, 
+		int	pair_arg)
+		{ return(*(int *)0); }
+
+#undef extended_slk_color
+int	extended_slk_color(
+		int	pair_arg)
 		{ return(*(int *)0); }
 
 /* ./base/lib_slkinit.c */
@@ -2725,8 +2841,6 @@ int	slk_refresh(void)
 
 /* ./base/lib_slkset.c */
 
-#include <wctype.h>
-
 #undef slk_set_sp
 int	slk_set_sp(
 		SCREEN	*sp, 
@@ -2784,6 +2898,12 @@ void	_tracedump(
 
 /* ./trace/lib_tracemse.c */
 
+#undef _nc_trace_mmask_t
+char	*_nc_trace_mmask_t(
+		SCREEN	*sp, 
+		mmask_t	code)
+		{ return(*(char **)0); }
+
 #undef _nc_tracemouse
 char	*_nc_tracemouse(
 		SCREEN	*sp, 
@@ -2803,8 +2923,6 @@ char	*_tracemouse(
 
 /* ./tty/lib_tstp.c */
 
-#include <SigAction.h>
-
 #undef _nc_signal_handler
 void	_nc_signal_handler(
 		int	enable)
@@ -2965,9 +3083,6 @@ char	*_nc_printf_string(
 
 /* ./tty/tty_update.c */
 
-#include <sys/time.h>
-#include <sys/times.h>
-
 #undef doupdate_sp
 int	doupdate_sp(
 		SCREEN	*sp)
@@ -3034,10 +3149,6 @@ void	_nc_do_xmc_glitch(
 
 /* ./trace/varargs.c */
 
-typedef enum {
-    atUnknown = 0, atInteger, atFloat, atPoint, atString
-} ARGTYPE;
-
 #undef _nc_varargs
 char	*_nc_varargs(
 		const char *fmt, 
@@ -3067,6 +3178,11 @@ void	_nc_free_and_exit(
 		int	code)
 		{ /* void */ }
 
+#undef exit_curses
+void	exit_curses(
+		int	code)
+		{ /* void */ }
+
 /* ./widechar/charable.c */
 
 #undef _nc_is_charable
@@ -3120,7 +3236,7 @@ int	setcchar(
 		cchar_t	*wcval, 
 		const wchar_t *wch, 
 		const attr_t attrs, 
-		short	color_pair, 
+		short	pair_arg, 
 		const void *opts)
 		{ return(*(int *)0); }
 
@@ -3129,7 +3245,7 @@ int	getcchar(
 		const cchar_t *wcval, 
 		wchar_t	*wch, 
 		attr_t	*attrs, 
-		short	*color_pair, 
+		short	*pair_arg, 
 		void	*opts)
 		{ return(*(int *)0); }
 
@@ -3227,9 +3343,9 @@ int	winwstr(
 /* ./widechar/lib_key_name.c */
 
 #undef key_name
-char	*key_name(
+const char *key_name(
 		wchar_t	c)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 /* ./widechar/lib_pecho_wchar.c */
 
@@ -3274,7 +3390,7 @@ int	unget_wch(
 int	vid_puts_sp(
 		SCREEN	*sp, 
 		attr_t	newmode, 
-		short	pair, 
+		short	pair_arg, 
 		void	*opts, 
 		NCURSES_OUTC_sp outc)
 		{ return(*(int *)0); }
@@ -3282,7 +3398,7 @@ int	vid_puts_sp(
 #undef vid_puts
 int	vid_puts(
 		attr_t	newmode, 
-		short	pair, 
+		short	pair_arg, 
 		void	*opts, 
 		NCURSES_OUTC outc)
 		{ return(*(int *)0); }
@@ -3291,14 +3407,14 @@ int	vid_puts(
 int	vid_attr_sp(
 		SCREEN	*sp, 
 		attr_t	newmode, 
-		short	pair, 
+		short	pair_arg, 
 		void	*opts)
 		{ return(*(int *)0); }
 
 #undef vid_attr
 int	vid_attr(
 		attr_t	newmode, 
-		short	pair, 
+		short	pair_arg, 
 		void	*opts)
 		{ return(*(int *)0); }
 
@@ -3441,6 +3557,72 @@ int	mcprint(
 		int	len)
 		{ return(*(int *)0); }
 
+/* ./base/new_pair.c */
+
+#undef _nc_free_ordered_pairs
+void	_nc_free_ordered_pairs(
+		SCREEN	*sp)
+		{ /* void */ }
+
+#undef _nc_reset_color_pair
+void	_nc_reset_color_pair(
+		SCREEN	*sp, 
+		int	pair, 
+		colorpair_t *next)
+		{ /* void */ }
+
+#undef _nc_set_color_pair
+void	_nc_set_color_pair(
+		SCREEN	*sp, 
+		int	pair, 
+		int	mode)
+		{ /* void */ }
+
+#undef _nc_copy_pairs
+void	_nc_copy_pairs(
+		SCREEN	*sp, 
+		colorpair_t *target, 
+		colorpair_t *source, 
+		int	length)
+		{ /* void */ }
+
+#undef alloc_pair_sp
+int	alloc_pair_sp(
+		SCREEN	*sp, 
+		int	fg, 
+		int	bg)
+		{ return(*(int *)0); }
+
+#undef find_pair_sp
+int	find_pair_sp(
+		SCREEN	*sp, 
+		int	fg, 
+		int	bg)
+		{ return(*(int *)0); }
+
+#undef free_pair_sp
+int	free_pair_sp(
+		SCREEN	*sp, 
+		int	pair)
+		{ return(*(int *)0); }
+
+#undef alloc_pair
+int	alloc_pair(
+		int	f, 
+		int	b)
+		{ return(*(int *)0); }
+
+#undef find_pair
+int	find_pair(
+		int	f, 
+		int	b)
+		{ return(*(int *)0); }
+
+#undef free_pair
+int	free_pair(
+		int	pair)
+		{ return(*(int *)0); }
+
 /* ./base/resizeterm.c */
 
 #undef is_term_resized_sp
@@ -3571,8 +3753,8 @@ int	_nc_add_to_try(
 
 #undef _nc_align_termtype
 void	_nc_align_termtype(
-		TERMTYPE *to, 
-		TERMTYPE *from)
+		TERMTYPE2 *to, 
+		TERMTYPE2 *from)
 		{ /* void */ }
 
 #undef _nc_copy_termtype
@@ -3581,24 +3763,34 @@ void	_nc_copy_termtype(
 		const TERMTYPE *src)
 		{ /* void */ }
 
+#undef _nc_copy_termtype2
+void	_nc_copy_termtype2(
+		TERMTYPE2 *dst, 
+		const TERMTYPE2 *src)
+		{ /* void */ }
+
+#undef _nc_export_termtype2
+void	_nc_export_termtype2(
+		TERMTYPE *dst, 
+		const TERMTYPE2 *src)
+		{ /* void */ }
+
 /* ./codes.c */
 
 #undef _nc_boolcodes
-char	*const *_nc_boolcodes(void)
-		{ return(*(char **)0); }
+const char *const *_nc_boolcodes(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_numcodes
-char	*const *_nc_numcodes(void)
-		{ return(*(char **)0); }
+const char *const *_nc_numcodes(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_strcodes
-char	*const *_nc_strcodes(void)
-		{ return(*(char **)0); }
+const char *const *_nc_strcodes(void)
+		{ return(*(const char **)0); }
 
 /* ./comp_captab.c */
 
-#include <hashsize.h>
-
 #undef _nc_get_table
 const struct name_table_entry *_nc_get_table(
 		NCURSES_BOOL termcap)
@@ -3680,9 +3872,22 @@ struct name_table_entry const *_nc_find_type_entry(
 		NCURSES_BOOL termcap)
 		{ return(*(struct name_table_entry const **)0); }
 
-/* ./tinfo/db_iterator.c */
+#undef _nc_find_user_entry
+struct user_table_entry const *_nc_find_user_entry(
+		const char *string)
+		{ return(*(struct user_table_entry const **)0); }
 
-#include <time.h>
+/* ./comp_userdefs.c */
+
+#undef _nc_get_userdefs_table
+const struct user_table_entry *_nc_get_userdefs_table(void)
+		{ return(*(const struct user_table_entry **)0); }
+
+#undef _nc_get_hash_user
+const HashData *_nc_get_hash_user(void)
+		{ return(*(const HashData **)0); }
+
+/* ./tinfo/db_iterator.c */
 
 #undef _nc_tic_dir
 const char *_nc_tic_dir(
@@ -3728,7 +3933,7 @@ ENTRY	*_nc_tail;
 #undef _nc_free_entry
 void	_nc_free_entry(
 		ENTRY	*headp, 
-		TERMTYPE *tterm)
+		TERMTYPE2 *tterm)
 		{ /* void */ }
 
 #undef _nc_free_entries
@@ -3736,18 +3941,22 @@ void	_nc_free_entries(
 		ENTRY	*headp)
 		{ /* void */ }
 
-#undef _nc_delink_entry
-ENTRY	*_nc_delink_entry(
-		ENTRY	*headp, 
-		TERMTYPE *tterm)
-		{ return(*(ENTRY **)0); }
-
 #undef _nc_leaks_tinfo
 void	_nc_leaks_tinfo(void)
 		{ /* void */ }
 
+#undef exit_terminfo
+void	exit_terminfo(
+		int	code)
+		{ /* void */ }
+
 /* ./fallback.c */
 
+#undef _nc_fallback2
+const TERMTYPE2 *_nc_fallback2(
+		const char *name)
+		{ return(*(const TERMTYPE2 **)0); }
+
 #undef _nc_fallback
 const TERMTYPE *_nc_fallback(
 		const char *name)
@@ -3760,6 +3969,11 @@ void	_nc_free_termtype(
 		TERMTYPE *ptr)
 		{ /* void */ }
 
+#undef _nc_free_termtype2
+void	_nc_free_termtype2(
+		TERMTYPE2 *ptr)
+		{ /* void */ }
+
 #undef _nc_user_definable
 NCURSES_BOOL _nc_user_definable;
 
@@ -3789,15 +4003,6 @@ char	*_nc_home_terminfo(void)
 
 /* ./tinfo/init_keytry.c */
 
-#if 0
-
-#include <init_keytry.h>
-
-#undef _nc_tinfo_fkeys
-const struct tinfo_fkeys _nc_tinfo_fkeys[] = {0};
-
-#endif
-
 #undef _nc_init_keytry
 void	_nc_init_keytry(
 		SCREEN	*sp)
@@ -3820,11 +4025,9 @@ void	_nc_init_acs(void)
 
 /* ./tinfo/lib_baudrate.c */
 
-#include <termcap.h>
-
 struct speed {
-    int s; 
-    int sp; 
+    int given_speed; 
+    int actual_speed; 
 };
 
 #undef _nc_baudrate
@@ -3989,15 +4192,15 @@ int	flushinp(void)
 struct kn { short offset; int code; };
 
 #undef keyname_sp
-char	*keyname_sp(
+const char *keyname_sp(
 		SCREEN	*sp, 
 		int	c)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 #undef keyname
-char	*keyname(
+const char *keyname(
 		int	c)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 /* ./tinfo/lib_longname.c */
 
@@ -4195,10 +4398,6 @@ int	intrflush(
 
 /* ./tinfo/lib_setup.c */
 
-#include <locale.h>
-#include <sys/ioctl.h>
-#include <langinfo.h>
-
 #undef _nc_ttytype
 char	*_nc_ttytype(void)
 		{ return(*(char **)0); }
@@ -4283,7 +4482,7 @@ void	_nc_update_screensize(
 #undef _nc_setup_tinfo
 int	_nc_setup_tinfo(
 		const char *const tn, 
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ return(*(int *)0); }
 
 #undef _nc_tinfo_cmdch
@@ -4307,19 +4506,27 @@ int	_nc_locale_breaks_acs(
 
 #undef _nc_setupterm
 int	_nc_setupterm(
-		char	*tname, 
+		const char *tname, 
 		int	Filedes, 
 		int	*errret, 
 		int	reuse)
 		{ return(*(int *)0); }
 
+#undef _nc_find_prescr
+SCREEN	*_nc_find_prescr(void)
+		{ return(*(SCREEN **)0); }
+
+#undef _nc_forget_prescr
+void	_nc_forget_prescr(void)
+		{ /* void */ }
+
 #undef new_prescr
 SCREEN	*new_prescr(void)
 		{ return(*(SCREEN **)0); }
 
 #undef setupterm
 int	setupterm(
-		char	*tname, 
+		const char *tname, 
 		int	Filedes, 
 		int	*errret)
 		{ return(*(int *)0); }
@@ -4338,12 +4545,6 @@ int	tgetent_sp(
 		const char *name)
 		{ return(*(int *)0); }
 
-#if 0
-
-#include <capdefaults.c>
-
-#endif
-
 #undef tgetent
 int	tgetent(
 		char	*bufp, 
@@ -4353,35 +4554,35 @@ int	tgetent(
 #undef tgetflag_sp
 int	tgetflag_sp(
 		SCREEN	*sp, 
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetflag
 int	tgetflag(
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetnum_sp
 int	tgetnum_sp(
 		SCREEN	*sp, 
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetnum
 int	tgetnum(
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetstr_sp
 char	*tgetstr_sp(
 		SCREEN	*sp, 
-		char	*id, 
+		const char *id, 
 		char	**area)
 		{ return(*(char **)0); }
 
 #undef tgetstr
 char	*tgetstr(
-		char	*id, 
+		const char *id, 
 		char	**area)
 		{ return(*(char **)0); }
 
@@ -4410,34 +4611,34 @@ char	*tgoto(
 #undef tigetflag_sp
 int	tigetflag_sp(
 		SCREEN	*sp, 
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetflag
 int	tigetflag(
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetnum_sp
 int	tigetnum_sp(
 		SCREEN	*sp, 
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetnum
 int	tigetnum(
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetstr_sp
 char	*tigetstr_sp(
 		SCREEN	*sp, 
-		char	*str)
+		const char *str)
 		{ return(*(char **)0); }
 
 #undef tigetstr
 char	*tigetstr(
-		char	*str)
+		const char *str)
 		{ return(*(char **)0); }
 
 /* ./tinfo/lib_tparm.c */
@@ -4454,7 +4655,7 @@ int	_nc_tparm_analyze(
 
 #undef tparm
 char	*tparm(
-		char	*string, 
+		const char *string, 
 		...)
 		{ return(*(char **)0); }
 
@@ -4589,6 +4790,11 @@ void	_nc_count_outchars(
 		long	increment)
 		{ /* void */ }
 
+#undef curses_trace
+unsigned curses_trace(
+		unsigned tracelevel)
+		{ return(*(unsigned *)0); }
+
 #undef trace
 void	trace(
 		const unsigned int tracelevel)
@@ -4631,9 +4837,9 @@ const char *_nc_retrace_cptr(
 		{ return(*(const char **)0); }
 
 #undef _nc_retrace_cvoid_ptr
-void	*_nc_retrace_cvoid_ptr(
-		void	*code)
-		{ return(*(void **)0); }
+const void *_nc_retrace_cvoid_ptr(
+		const void *code)
+		{ return(*(const void **)0); }
 
 #undef _nc_retrace_void_ptr
 void	*_nc_retrace_void_ptr(
@@ -4650,6 +4856,13 @@ WINDOW	*_nc_retrace_win(
 		WINDOW	*code)
 		{ return(*(WINDOW **)0); }
 
+#undef _nc_fmt_funcptr
+char	*_nc_fmt_funcptr(
+		char	*target, 
+		const char *source, 
+		size_t	size)
+		{ return(*(char **)0); }
+
 #undef _nc_use_tracef
 int	_nc_use_tracef(
 		unsigned mask)
@@ -4719,11 +4932,6 @@ char	*_tracecchar_t(
 
 /* ./trace/lib_tracebits.c */
 
-typedef struct {
-    unsigned int val;
-    const char *name;
-} BITNAMES;
-
 #undef _nc_trace_ttymode
 char	*_nc_trace_ttymode(
 		struct termios *tty)
@@ -4851,28 +5059,28 @@ int	_nc_name_match(
 /* ./names.c */
 
 #undef _nc_boolnames
-char	*const *_nc_boolnames(void)
-		{ return(*(char **)0); }
+const char *const *_nc_boolnames(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_boolfnames
-char	*const *_nc_boolfnames(void)
-		{ return(*(char **)0); }
+const char *const *_nc_boolfnames(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_numnames
-char	*const *_nc_numnames(void)
-		{ return(*(char **)0); }
+const char *const *_nc_numnames(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_numfnames
-char	*const *_nc_numfnames(void)
-		{ return(*(char **)0); }
+const char *const *_nc_numfnames(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_strnames
-char	*const *_nc_strnames(void)
-		{ return(*(char **)0); }
+const char *const *_nc_strnames(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_strfnames
-char	*const *_nc_strfnames(void)
-		{ return(*(char **)0); }
+const char *const *_nc_strfnames(void)
+		{ return(*(const char **)0); }
 
 /* ./tinfo/obsolete.c */
 
@@ -4891,16 +5099,14 @@ void	_nc_set_buffer(
 
 /* ./tinfo/read_entry.c */
 
-#include <hashed_db.h>
-
 #undef _nc_init_termtype
 void	_nc_init_termtype(
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ /* void */ }
 
 #undef _nc_read_termtype
 int	_nc_read_termtype(
-		TERMTYPE *ptr, 
+		TERMTYPE2 *ptr, 
 		char	*buffer, 
 		int	limit)
 		{ return(*(int *)0); }
@@ -4908,7 +5114,14 @@ int	_nc_read_termtype(
 #undef _nc_read_file_entry
 int	_nc_read_file_entry(
 		const char *const filename, 
-		TERMTYPE *ptr)
+		TERMTYPE2 *ptr)
+		{ return(*(int *)0); }
+
+#undef _nc_read_entry2
+int	_nc_read_entry2(
+		const char *const name, 
+		char	*const filename, 
+		TERMTYPE2 *const tp)
 		{ return(*(int *)0); }
 
 #undef _nc_read_entry
@@ -4920,11 +5133,11 @@ int	_nc_read_entry(
 
 /* ./tinfo/read_termcap.c */
 
-#include <sys/types.h>
-
-#undef _nc_read_termcap
-void	_nc_read_termcap(void)
-		{ /* void */ }
+#undef _nc_read_termcap_entry
+int	_nc_read_termcap_entry(
+		const char *const tn, 
+		TERMTYPE2 *const tp)
+		{ return(*(int *)0); }
 
 /* ./tinfo/strings.c */
 
@@ -5006,21 +5219,21 @@ int	_nc_remove_string(
 
 #undef _nc_trim_sgr0
 char	*_nc_trim_sgr0(
-		TERMTYPE *tp)
+		TERMTYPE2 *tp)
 		{ return(*(char **)0); }
 
 /* ./unctrl.c */
 
 #undef unctrl_sp
-char	*unctrl_sp(
+const char *unctrl_sp(
 		SCREEN	*sp, 
 		chtype	ch)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 #undef unctrl
-char	*unctrl(
+const char *unctrl(
 		chtype	ch)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 /* ./trace/visbuf.c */
 
@@ -5080,7 +5293,7 @@ const char *_nc_viscbuf(
 
 #undef _nc_init_entry
 void	_nc_init_entry(
-		TERMTYPE *const tp)
+		ENTRY	*const tp)
 		{ /* void */ }
 
 #undef _nc_copy_entry
@@ -5101,8 +5314,8 @@ void	_nc_wrap_entry(
 
 #undef _nc_merge_entry
 void	_nc_merge_entry(
-		TERMTYPE *const to, 
-		TERMTYPE *const from)
+		ENTRY	*const target, 
+		ENTRY	*const source)
 		{ /* void */ }
 
 /* ./tinfo/captoinfo.c */
@@ -5134,11 +5347,8 @@ char	*_nc_tic_expand(
 
 #undef _nc_check_termtype2
 void	(*_nc_check_termtype2)(
-		TERMTYPE *p1, 
+		TERMTYPE2 *p1, 
 		NCURSES_BOOL p2);
-#undef _nc_check_termtype
-void	(*_nc_check_termtype)(
-		TERMTYPE *p1);
 
 #undef _nc_entry_match
 NCURSES_BOOL _nc_entry_match(
@@ -5162,11 +5372,6 @@ int	_nc_resolve_uses2(
 		NCURSES_BOOL literal)
 		{ return(*(int *)0); }
 
-#undef _nc_resolve_uses
-int	_nc_resolve_uses(
-		NCURSES_BOOL fullresolve)
-		{ return(*(int *)0); }
-
 /* ./tinfo/comp_scan.c */
 
 #undef _nc_syntax
@@ -5217,7 +5422,7 @@ void	_nc_panic_mode(
 
 #undef _nc_parse_entry
 int	_nc_parse_entry(
-		struct entry *entryp, 
+		ENTRY	*entryp, 
 		int	literal, 
 		NCURSES_BOOL silent)
 		{ return(*(int *)0); }
@@ -5228,23 +5433,26 @@ int	_nc_capcmp(
 		const char *t)
 		{ return(*(int *)0); }
 
-typedef struct {
-    const char *from;
-    const char *to;
-} assoc;
-
 /* ./tinfo/write_entry.c */
 
 #undef _nc_set_writedir
 void	_nc_set_writedir(
-		char	*dir)
+		const char *dir)
 		{ /* void */ }
 
 #undef _nc_write_entry
 void	_nc_write_entry(
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ /* void */ }
 
+#undef _nc_write_object
+int	_nc_write_object(
+		TERMTYPE2 *tp, 
+		char	*buffer, 
+		unsigned *offset, 
+		unsigned limit)
+		{ return(*(int *)0); }
+
 #undef _nc_tic_written
 int	_nc_tic_written(void)
 		{ return(*(int *)0); }
diff --git a/ncurses/llib-lncursesw b/ncurses/llib-lncursesw
index be768d716b9c..ae5581160f50 100644
--- a/ncurses/llib-lncursesw
+++ b/ncurses/llib-lncursesw
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2001-2011,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 2001-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -27,7 +27,7 @@
  ****************************************************************************/
 
 /****************************************************************************
- *  Author: Thomas E. Dickey 2001-on                                        *
+ *  Author: Thomas E. Dickey       2001-on                                  *
  ****************************************************************************/
 /* LINTLIBRARY */
 
@@ -95,8 +95,6 @@ void	_nc_scroll_oldhash(
 
 /* ./base/lib_addch.c */
 
-#include <ctype.h>
-
 #undef _nc_render
 cchar_t	_nc_render(
 		WINDOW	*win, 
@@ -221,7 +219,7 @@ int	wchgat(
 		WINDOW	*win, 
 		int	n, 
 		attr_t	attr, 
-		short	color, 
+		short	pair_arg, 
 		const void *opts)
 		{ return(*(int *)0); }
 
@@ -256,8 +254,6 @@ int	wclrtoeol(
 
 /* ./base/lib_color.c */
 
-#include <tic.h>
-
 #undef COLOR_PAIRS
 int	COLOR_PAIRS;
 #undef COLORS
@@ -281,6 +277,26 @@ int	start_color_sp(
 int	start_color(void)
 		{ return(*(int *)0); }
 
+#undef _nc_change_pair
+void	_nc_change_pair(
+		SCREEN	*sp, 
+		int	pair)
+		{ /* void */ }
+
+#undef _nc_reserve_pairs
+void	_nc_reserve_pairs(
+		SCREEN	*sp, 
+		int	want)
+		{ /* void */ }
+
+#undef _nc_init_pair
+int	_nc_init_pair(
+		SCREEN	*sp, 
+		int	pair, 
+		int	f, 
+		int	b)
+		{ return(*(int *)0); }
+
 #undef init_pair_sp
 int	init_pair_sp(
 		SCREEN	*sp, 
@@ -296,6 +312,15 @@ int	init_pair(
 		short	b)
 		{ return(*(int *)0); }
 
+#undef _nc_init_color
+int	_nc_init_color(
+		SCREEN	*sp, 
+		int	color, 
+		int	r, 
+		int	g, 
+		int	b)
+		{ return(*(int *)0); }
+
 #undef init_color_sp
 int	init_color_sp(
 		SCREEN	*sp, 
@@ -348,6 +373,14 @@ int	color_content(
 		short	*b)
 		{ return(*(int *)0); }
 
+#undef _nc_pair_content
+int	_nc_pair_content(
+		SCREEN	*sp, 
+		int	pair, 
+		int	*f, 
+		int	*b)
+		{ return(*(int *)0); }
+
 #undef pair_content_sp
 int	pair_content_sp(
 		SCREEN	*sp, 
@@ -380,12 +413,85 @@ void	_nc_do_color(
 		NCURSES_OUTC outc)
 		{ /* void */ }
 
+#undef init_extended_pair_sp
+int	init_extended_pair_sp(
+		SCREEN	*sp, 
+		int	pair, 
+		int	f, 
+		int	b)
+		{ return(*(int *)0); }
+
+#undef init_extended_color_sp
+int	init_extended_color_sp(
+		SCREEN	*sp, 
+		int	color, 
+		int	r, 
+		int	g, 
+		int	b)
+		{ return(*(int *)0); }
+
+#undef extended_color_content_sp
+int	extended_color_content_sp(
+		SCREEN	*sp, 
+		int	color, 
+		int	*r, 
+		int	*g, 
+		int	*b)
+		{ return(*(int *)0); }
+
+#undef extended_pair_content_sp
+int	extended_pair_content_sp(
+		SCREEN	*sp, 
+		int	pair, 
+		int	*f, 
+		int	*b)
+		{ return(*(int *)0); }
+
+#undef reset_color_pairs_sp
+void	reset_color_pairs_sp(
+		SCREEN	*sp)
+		{ /* void */ }
+
+#undef init_extended_pair
+int	init_extended_pair(
+		int	pair, 
+		int	f, 
+		int	b)
+		{ return(*(int *)0); }
+
+#undef init_extended_color
+int	init_extended_color(
+		int	color, 
+		int	r, 
+		int	g, 
+		int	b)
+		{ return(*(int *)0); }
+
+#undef extended_color_content
+int	extended_color_content(
+		int	color, 
+		int	*r, 
+		int	*g, 
+		int	*b)
+		{ return(*(int *)0); }
+
+#undef extended_pair_content
+int	extended_pair_content(
+		int	pair, 
+		int	*f, 
+		int	*b)
+		{ return(*(int *)0); }
+
+#undef reset_color_pairs
+void	reset_color_pairs(void)
+		{ /* void */ }
+
 /* ./base/lib_colorset.c */
 
 #undef wcolor_set
 int	wcolor_set(
 		WINDOW	*win, 
-		short	color_pair_number, 
+		short	pair_arg, 
 		void	*opts)
 		{ return(*(int *)0); }
 
@@ -454,8 +560,6 @@ int	flash(void)
 
 /* ./lib_gen.c */
 
-#include <ncurses_cfg.h>
-
 #undef addch
 int	(addch)(
 		const chtype z)
@@ -485,17 +589,17 @@ int	(addstr)(
 
 #undef attroff
 int	(attroff)(
-		int	z)
+		NCURSES_ATTR_T	z)
 		{ return(*(int *)0); }
 
 #undef attron
 int	(attron)(
-		int	z)
+		NCURSES_ATTR_T	z)
 		{ return(*(int *)0); }
 
 #undef attrset
 int	(attrset)(
-		int	z)
+		NCURSES_ATTR_T	z)
 		{ return(*(int *)0); }
 
 #undef attr_get
@@ -1078,20 +1182,6 @@ int	(vline)(
 		int	z)
 		{ return(*(int *)0); }
 
-#undef vw_printw
-int	(vw_printw)(
-		WINDOW	*a1, 
-		const char *a2, 
-		va_list	z)
-		{ return(*(int *)0); }
-
-#undef vw_scanw
-int	(vw_scanw)(
-		WINDOW	*a1, 
-		char	*a2, 
-		va_list	z)
-		{ return(*(int *)0); }
-
 #undef waddchstr
 int	(waddchstr)(
 		WINDOW	*a1, 
@@ -1292,6 +1382,11 @@ NCURSES_BOOL (is_syncok)(
 		const WINDOW *z)
 		{ return(*(NCURSES_BOOL *)0); }
 
+#undef wgetdelay
+int	(wgetdelay)(
+		const WINDOW *z)
+		{ return(*(int *)0); }
+
 #undef wgetscrreg
 int	(wgetscrreg)(
 		const WINDOW *a1, 
@@ -1767,8 +1862,6 @@ NCURSES_BOOL (mouse_trafo)(
 
 /* ./base/lib_getch.c */
 
-#include <fifo_defs.h>
-
 #undef ESCDELAY
 int	ESCDELAY;
 
@@ -2102,22 +2195,20 @@ void	nofilter(void)
 #undef newterm_sp
 SCREEN	*newterm_sp(
 		SCREEN	*sp, 
-		char	*name, 
+		const char *name, 
 		FILE	*ofp, 
 		FILE	*ifp)
 		{ return(*(SCREEN **)0); }
 
 #undef newterm
 SCREEN	*newterm(
-		char	*name, 
+		const char *name, 
 		FILE	*ofp, 
 		FILE	*ifp)
 		{ return(*(SCREEN **)0); }
 
 /* ./base/lib_newwin.c */
 
-#include "/usr/lib/gcc/x86_64-linux-gnu/4.4.5/include/stddef.h"
-
 #undef _nc_freewin
 int	_nc_freewin(
 		WINDOW	*win)
@@ -2321,6 +2412,13 @@ int	vwprintw(
 		va_list	argp)
 		{ return(*(int *)0); }
 
+#undef vw_printw
+int	vw_printw(
+		WINDOW	*win, 
+		const char *fmt, 
+		va_list	argp)
+		{ return(*(int *)0); }
+
 /* ./base/lib_redrawln.c */
 
 #undef wredrawln
@@ -2347,14 +2445,14 @@ int	wnoutrefresh(
 #undef restartterm_sp
 int	restartterm_sp(
 		SCREEN	*sp, 
-		char	*termp, 
+		const char *termp, 
 		int	filenum, 
 		int	*errret)
 		{ return(*(int *)0); }
 
 #undef restartterm
 int	restartterm(
-		char	*termp, 
+		const char *termp, 
 		int	filenum, 
 		int	*errret)
 		{ return(*(int *)0); }
@@ -2364,20 +2462,27 @@ int	restartterm(
 #undef vwscanw
 int	vwscanw(
 		WINDOW	*win, 
-		char	*fmt, 
+		const char *fmt, 
+		va_list	argp)
+		{ return(*(int *)0); }
+
+#undef vw_scanw
+int	vw_scanw(
+		WINDOW	*win, 
+		const char *fmt, 
 		va_list	argp)
 		{ return(*(int *)0); }
 
 #undef scanw
 int	scanw(
-		char	*fmt, 
+		const char *fmt, 
 		...)
 		{ return(*(int *)0); }
 
 #undef wscanw
 int	wscanw(
 		WINDOW	*win, 
-		char	*fmt, 
+		const char *fmt, 
 		...)
 		{ return(*(int *)0); }
 
@@ -2385,7 +2490,7 @@ int	wscanw(
 int	mvscanw(
 		int	y, 
 		int	x, 
-		char	*fmt, 
+		const char *fmt, 
 		...)
 		{ return(*(int *)0); }
 
@@ -2394,7 +2499,7 @@ int	mvwscanw(
 		WINDOW	*win, 
 		int	y, 
 		int	x, 
-		char	*fmt, 
+		const char *fmt, 
 		...)
 		{ return(*(int *)0); }
 
@@ -2583,14 +2688,14 @@ int	slk_restore(void)
 int	slk_attr_set_sp(
 		SCREEN	*sp, 
 		const attr_t attr, 
-		short	color_pair_number, 
+		short	pair_arg, 
 		void	*opts)
 		{ return(*(int *)0); }
 
 #undef slk_attr_set
 int	slk_attr_set(
 		const attr_t attr, 
-		short	color_pair_number, 
+		short	pair_arg, 
 		void	*opts)
 		{ return(*(int *)0); }
 
@@ -2660,12 +2765,23 @@ int	slk_clear(void)
 #undef slk_color_sp
 int	slk_color_sp(
 		SCREEN	*sp, 
-		short	color_pair_number)
+		short	pair_arg)
 		{ return(*(int *)0); }
 
 #undef slk_color
 int	slk_color(
-		short	color_pair_number)
+		short	pair_arg)
+		{ return(*(int *)0); }
+
+#undef extended_slk_color_sp
+int	extended_slk_color_sp(
+		SCREEN	*sp, 
+		int	pair_arg)
+		{ return(*(int *)0); }
+
+#undef extended_slk_color
+int	extended_slk_color(
+		int	pair_arg)
 		{ return(*(int *)0); }
 
 /* ./base/lib_slkinit.c */
@@ -2716,8 +2832,6 @@ int	slk_refresh(void)
 
 /* ./base/lib_slkset.c */
 
-#include <wctype.h>
-
 #undef slk_set_sp
 int	slk_set_sp(
 		SCREEN	*sp, 
@@ -2775,6 +2889,12 @@ void	_tracedump(
 
 /* ./trace/lib_tracemse.c */
 
+#undef _nc_trace_mmask_t
+char	*_nc_trace_mmask_t(
+		SCREEN	*sp, 
+		mmask_t	code)
+		{ return(*(char **)0); }
+
 #undef _nc_tracemouse
 char	*_nc_tracemouse(
 		SCREEN	*sp, 
@@ -2794,8 +2914,6 @@ char	*_tracemouse(
 
 /* ./tty/lib_tstp.c */
 
-#include <SigAction.h>
-
 #undef _nc_signal_handler
 void	_nc_signal_handler(
 		int	enable)
@@ -2956,9 +3074,6 @@ char	*_nc_printf_string(
 
 /* ./tty/tty_update.c */
 
-#include <sys/time.h>
-#include <sys/times.h>
-
 #undef doupdate_sp
 int	doupdate_sp(
 		SCREEN	*sp)
@@ -3025,10 +3140,6 @@ void	_nc_do_xmc_glitch(
 
 /* ./trace/varargs.c */
 
-typedef enum {
-    atUnknown = 0, atInteger, atFloat, atPoint, atString
-} ARGTYPE;
-
 #undef _nc_varargs
 char	*_nc_varargs(
 		const char *fmt, 
@@ -3058,6 +3169,11 @@ void	_nc_free_and_exit(
 		int	code)
 		{ /* void */ }
 
+#undef exit_curses
+void	exit_curses(
+		int	code)
+		{ /* void */ }
+
 /* ./widechar/charable.c */
 
 #undef _nc_is_charable
@@ -3111,7 +3227,7 @@ int	setcchar(
 		cchar_t	*wcval, 
 		const wchar_t *wch, 
 		const attr_t attrs, 
-		short	color_pair, 
+		short	pair_arg, 
 		const void *opts)
 		{ return(*(int *)0); }
 
@@ -3120,7 +3236,7 @@ int	getcchar(
 		const cchar_t *wcval, 
 		wchar_t	*wch, 
 		attr_t	*attrs, 
-		short	*color_pair, 
+		short	*pair_arg, 
 		void	*opts)
 		{ return(*(int *)0); }
 
@@ -3218,9 +3334,9 @@ int	winwstr(
 /* ./widechar/lib_key_name.c */
 
 #undef key_name
-char	*key_name(
+const char *key_name(
 		wchar_t	c)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 /* ./widechar/lib_pecho_wchar.c */
 
@@ -3265,7 +3381,7 @@ int	unget_wch(
 int	vid_puts_sp(
 		SCREEN	*sp, 
 		attr_t	newmode, 
-		short	pair, 
+		short	pair_arg, 
 		void	*opts, 
 		NCURSES_OUTC_sp outc)
 		{ return(*(int *)0); }
@@ -3273,7 +3389,7 @@ int	vid_puts_sp(
 #undef vid_puts
 int	vid_puts(
 		attr_t	newmode, 
-		short	pair, 
+		short	pair_arg, 
 		void	*opts, 
 		NCURSES_OUTC outc)
 		{ return(*(int *)0); }
@@ -3282,14 +3398,14 @@ int	vid_puts(
 int	vid_attr_sp(
 		SCREEN	*sp, 
 		attr_t	newmode, 
-		short	pair, 
+		short	pair_arg, 
 		void	*opts)
 		{ return(*(int *)0); }
 
 #undef vid_attr
 int	vid_attr(
 		attr_t	newmode, 
-		short	pair, 
+		short	pair_arg, 
 		void	*opts)
 		{ return(*(int *)0); }
 
@@ -3432,6 +3548,72 @@ int	mcprint(
 		int	len)
 		{ return(*(int *)0); }
 
+/* ./base/new_pair.c */
+
+#undef _nc_free_ordered_pairs
+void	_nc_free_ordered_pairs(
+		SCREEN	*sp)
+		{ /* void */ }
+
+#undef _nc_reset_color_pair
+void	_nc_reset_color_pair(
+		SCREEN	*sp, 
+		int	pair, 
+		colorpair_t *next)
+		{ /* void */ }
+
+#undef _nc_set_color_pair
+void	_nc_set_color_pair(
+		SCREEN	*sp, 
+		int	pair, 
+		int	mode)
+		{ /* void */ }
+
+#undef _nc_copy_pairs
+void	_nc_copy_pairs(
+		SCREEN	*sp, 
+		colorpair_t *target, 
+		colorpair_t *source, 
+		int	length)
+		{ /* void */ }
+
+#undef alloc_pair_sp
+int	alloc_pair_sp(
+		SCREEN	*sp, 
+		int	fg, 
+		int	bg)
+		{ return(*(int *)0); }
+
+#undef find_pair_sp
+int	find_pair_sp(
+		SCREEN	*sp, 
+		int	fg, 
+		int	bg)
+		{ return(*(int *)0); }
+
+#undef free_pair_sp
+int	free_pair_sp(
+		SCREEN	*sp, 
+		int	pair)
+		{ return(*(int *)0); }
+
+#undef alloc_pair
+int	alloc_pair(
+		int	f, 
+		int	b)
+		{ return(*(int *)0); }
+
+#undef find_pair
+int	find_pair(
+		int	f, 
+		int	b)
+		{ return(*(int *)0); }
+
+#undef free_pair
+int	free_pair(
+		int	pair)
+		{ return(*(int *)0); }
+
 /* ./base/resizeterm.c */
 
 #undef is_term_resized_sp
@@ -3562,8 +3744,8 @@ int	_nc_add_to_try(
 
 #undef _nc_align_termtype
 void	_nc_align_termtype(
-		TERMTYPE *to, 
-		TERMTYPE *from)
+		TERMTYPE2 *to, 
+		TERMTYPE2 *from)
 		{ /* void */ }
 
 #undef _nc_copy_termtype
@@ -3572,19 +3754,29 @@ void	_nc_copy_termtype(
 		const TERMTYPE *src)
 		{ /* void */ }
 
+#undef _nc_copy_termtype2
+void	_nc_copy_termtype2(
+		TERMTYPE2 *dst, 
+		const TERMTYPE2 *src)
+		{ /* void */ }
+
+#undef _nc_export_termtype2
+void	_nc_export_termtype2(
+		TERMTYPE *dst, 
+		const TERMTYPE2 *src)
+		{ /* void */ }
+
 /* ./codes.c */
 
 #undef boolcodes
-char	*const boolcodes[] = {0};
+const char *const boolcodes[] = {0};
 #undef numcodes
-char	*const numcodes[] = {0};
+const char *const numcodes[] = {0};
 #undef strcodes
-char	*const strcodes[] = {0};
+const char *const strcodes[] = {0};
 
 /* ./comp_captab.c */
 
-#include <hashsize.h>
-
 #undef _nc_get_table
 const struct name_table_entry *_nc_get_table(
 		NCURSES_BOOL termcap)
@@ -3666,9 +3858,22 @@ struct name_table_entry const *_nc_find_type_entry(
 		NCURSES_BOOL termcap)
 		{ return(*(struct name_table_entry const **)0); }
 
-/* ./tinfo/db_iterator.c */
+#undef _nc_find_user_entry
+struct user_table_entry const *_nc_find_user_entry(
+		const char *string)
+		{ return(*(struct user_table_entry const **)0); }
 
-#include <time.h>
+/* ./comp_userdefs.c */
+
+#undef _nc_get_userdefs_table
+const struct user_table_entry *_nc_get_userdefs_table(void)
+		{ return(*(const struct user_table_entry **)0); }
+
+#undef _nc_get_hash_user
+const HashData *_nc_get_hash_user(void)
+		{ return(*(const HashData **)0); }
+
+/* ./tinfo/db_iterator.c */
 
 #undef _nc_tic_dir
 const char *_nc_tic_dir(
@@ -3714,7 +3919,7 @@ ENTRY	*_nc_tail;
 #undef _nc_free_entry
 void	_nc_free_entry(
 		ENTRY	*headp, 
-		TERMTYPE *tterm)
+		TERMTYPE2 *tterm)
 		{ /* void */ }
 
 #undef _nc_free_entries
@@ -3722,18 +3927,22 @@ void	_nc_free_entries(
 		ENTRY	*headp)
 		{ /* void */ }
 
-#undef _nc_delink_entry
-ENTRY	*_nc_delink_entry(
-		ENTRY	*headp, 
-		TERMTYPE *tterm)
-		{ return(*(ENTRY **)0); }
-
 #undef _nc_leaks_tinfo
 void	_nc_leaks_tinfo(void)
 		{ /* void */ }
 
+#undef exit_terminfo
+void	exit_terminfo(
+		int	code)
+		{ /* void */ }
+
 /* ./fallback.c */
 
+#undef _nc_fallback2
+const TERMTYPE2 *_nc_fallback2(
+		const char *name)
+		{ return(*(const TERMTYPE2 **)0); }
+
 #undef _nc_fallback
 const TERMTYPE *_nc_fallback(
 		const char *name)
@@ -3746,6 +3955,11 @@ void	_nc_free_termtype(
 		TERMTYPE *ptr)
 		{ /* void */ }
 
+#undef _nc_free_termtype2
+void	_nc_free_termtype2(
+		TERMTYPE2 *ptr)
+		{ /* void */ }
+
 #undef _nc_user_definable
 NCURSES_BOOL _nc_user_definable;
 
@@ -3775,15 +3989,6 @@ char	*_nc_home_terminfo(void)
 
 /* ./tinfo/init_keytry.c */
 
-#if 0
-
-#include <init_keytry.h>
-
-#undef _nc_tinfo_fkeys
-const struct tinfo_fkeys _nc_tinfo_fkeys[] = {0};
-
-#endif
-
 #undef _nc_init_keytry
 void	_nc_init_keytry(
 		SCREEN	*sp)
@@ -3805,11 +4010,9 @@ void	_nc_init_acs(void)
 
 /* ./tinfo/lib_baudrate.c */
 
-#include <termcap.h>
-
 struct speed {
-    int s; 
-    int sp; 
+    int given_speed; 
+    int actual_speed; 
 };
 
 #undef _nc_baudrate
@@ -3934,18 +4137,23 @@ int	flushinp(void)
 struct kn { short offset; int code; };
 
 #undef keyname_sp
-char	*keyname_sp(
+const char *keyname_sp(
 		SCREEN	*sp, 
 		int	c)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 #undef keyname
-char	*keyname(
+const char *keyname(
 		int	c)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 /* ./tinfo/lib_longname.c */
 
+#undef longname_sp
+char	*longname_sp(
+		SCREEN	*sp)
+		{ return(*(char **)0); }
+
 #undef longname
 char	*longname(void)
 		{ return(*(char **)0); }
@@ -4135,10 +4343,6 @@ int	intrflush(
 
 /* ./tinfo/lib_setup.c */
 
-#include <locale.h>
-#include <sys/ioctl.h>
-#include <langinfo.h>
-
 #undef ttytype
 char	ttytype[256];
 #undef LINES
@@ -4201,7 +4405,7 @@ void	_nc_update_screensize(
 #undef _nc_setup_tinfo
 int	_nc_setup_tinfo(
 		const char *const tn, 
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ return(*(int *)0); }
 
 #undef _nc_tinfo_cmdch
@@ -4225,7 +4429,7 @@ int	_nc_locale_breaks_acs(
 
 #undef _nc_setupterm
 int	_nc_setupterm(
-		char	*tname, 
+		const char *tname, 
 		int	Filedes, 
 		int	*errret, 
 		int	reuse)
@@ -4237,7 +4441,7 @@ SCREEN	*new_prescr(void)
 
 #undef setupterm
 int	setupterm(
-		char	*tname, 
+		const char *tname, 
 		int	Filedes, 
 		int	*errret)
 		{ return(*(int *)0); }
@@ -4256,12 +4460,6 @@ int	tgetent_sp(
 		const char *name)
 		{ return(*(int *)0); }
 
-#if 0
-
-#include <capdefaults.c>
-
-#endif
-
 #undef tgetent
 int	tgetent(
 		char	*bufp, 
@@ -4271,35 +4469,35 @@ int	tgetent(
 #undef tgetflag_sp
 int	tgetflag_sp(
 		SCREEN	*sp, 
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetflag
 int	tgetflag(
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetnum_sp
 int	tgetnum_sp(
 		SCREEN	*sp, 
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetnum
 int	tgetnum(
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetstr_sp
 char	*tgetstr_sp(
 		SCREEN	*sp, 
-		char	*id, 
+		const char *id, 
 		char	**area)
 		{ return(*(char **)0); }
 
 #undef tgetstr
 char	*tgetstr(
-		char	*id, 
+		const char *id, 
 		char	**area)
 		{ return(*(char **)0); }
 
@@ -4328,34 +4526,34 @@ char	*tgoto(
 #undef tigetflag_sp
 int	tigetflag_sp(
 		SCREEN	*sp, 
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetflag
 int	tigetflag(
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetnum_sp
 int	tigetnum_sp(
 		SCREEN	*sp, 
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetnum
 int	tigetnum(
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetstr_sp
 char	*tigetstr_sp(
 		SCREEN	*sp, 
-		char	*str)
+		const char *str)
 		{ return(*(char **)0); }
 
 #undef tigetstr
 char	*tigetstr(
-		char	*str)
+		const char *str)
 		{ return(*(char **)0); }
 
 /* ./tinfo/lib_tparm.c */
@@ -4372,7 +4570,7 @@ int	_nc_tparm_analyze(
 
 #undef tparm
 char	*tparm(
-		char	*string, 
+		const char *string, 
 		...)
 		{ return(*(char **)0); }
 
@@ -4493,6 +4691,11 @@ const char *_nc_tputs_trace = {0};
 #undef _nc_outchars
 long	_nc_outchars;
 
+#undef curses_trace
+unsigned curses_trace(
+		unsigned tracelevel)
+		{ return(*(unsigned *)0); }
+
 #undef trace
 void	trace(
 		const unsigned int tracelevel)
@@ -4535,9 +4738,9 @@ const char *_nc_retrace_cptr(
 		{ return(*(const char **)0); }
 
 #undef _nc_retrace_cvoid_ptr
-void	*_nc_retrace_cvoid_ptr(
-		void	*code)
-		{ return(*(void **)0); }
+const void *_nc_retrace_cvoid_ptr(
+		const void *code)
+		{ return(*(const void **)0); }
 
 #undef _nc_retrace_void_ptr
 void	*_nc_retrace_void_ptr(
@@ -4554,6 +4757,13 @@ WINDOW	*_nc_retrace_win(
 		WINDOW	*code)
 		{ return(*(WINDOW **)0); }
 
+#undef _nc_fmt_funcptr
+char	*_nc_fmt_funcptr(
+		char	*target, 
+		const char *source, 
+		size_t	size)
+		{ return(*(char **)0); }
+
 /* ./trace/lib_traceatr.c */
 
 #undef _traceattr2
@@ -4612,11 +4822,6 @@ char	*_tracecchar_t(
 
 /* ./trace/lib_tracebits.c */
 
-typedef struct {
-    unsigned int val;
-    const char *name;
-} BITNAMES;
-
 #undef _nc_trace_ttymode
 char	*_nc_trace_ttymode(
 		struct termios *tty)
@@ -4744,17 +4949,17 @@ int	_nc_name_match(
 /* ./names.c */
 
 #undef boolnames
-char	*const boolnames[] = {0};
+const char *const boolnames[] = {0};
 #undef boolfnames
-char	*const boolfnames[] = {0};
+const char *const boolfnames[] = {0};
 #undef numnames
-char	*const numnames[] = {0};
+const char *const numnames[] = {0};
 #undef numfnames
-char	*const numfnames[] = {0};
+const char *const numfnames[] = {0};
 #undef strnames
-char	*const strnames[] = {0};
+const char *const strnames[] = {0};
 #undef strfnames
-char	*const strfnames[] = {0};
+const char *const strfnames[] = {0};
 
 /* ./tinfo/obsolete.c */
 
@@ -4773,16 +4978,14 @@ void	_nc_set_buffer(
 
 /* ./tinfo/read_entry.c */
 
-#include <hashed_db.h>
-
 #undef _nc_init_termtype
 void	_nc_init_termtype(
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ /* void */ }
 
 #undef _nc_read_termtype
 int	_nc_read_termtype(
-		TERMTYPE *ptr, 
+		TERMTYPE2 *ptr, 
 		char	*buffer, 
 		int	limit)
 		{ return(*(int *)0); }
@@ -4790,7 +4993,14 @@ int	_nc_read_termtype(
 #undef _nc_read_file_entry
 int	_nc_read_file_entry(
 		const char *const filename, 
-		TERMTYPE *ptr)
+		TERMTYPE2 *ptr)
+		{ return(*(int *)0); }
+
+#undef _nc_read_entry2
+int	_nc_read_entry2(
+		const char *const name, 
+		char	*const filename, 
+		TERMTYPE2 *const tp)
 		{ return(*(int *)0); }
 
 #undef _nc_read_entry
@@ -4802,11 +5012,11 @@ int	_nc_read_entry(
 
 /* ./tinfo/read_termcap.c */
 
-#include <sys/types.h>
-
-#undef _nc_read_termcap
-void	_nc_read_termcap(void)
-		{ /* void */ }
+#undef _nc_read_termcap_entry
+int	_nc_read_termcap_entry(
+		const char *const tn, 
+		TERMTYPE2 *const tp)
+		{ return(*(int *)0); }
 
 /* ./tinfo/strings.c */
 
@@ -4888,21 +5098,21 @@ int	_nc_remove_string(
 
 #undef _nc_trim_sgr0
 char	*_nc_trim_sgr0(
-		TERMTYPE *tp)
+		TERMTYPE2 *tp)
 		{ return(*(char **)0); }
 
 /* ./unctrl.c */
 
 #undef unctrl_sp
-char	*unctrl_sp(
+const char *unctrl_sp(
 		SCREEN	*sp, 
 		chtype	ch)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 #undef unctrl
-char	*unctrl(
+const char *unctrl(
 		chtype	ch)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 /* ./trace/visbuf.c */
 
@@ -4962,7 +5172,7 @@ const char *_nc_viscbuf(
 
 #undef _nc_init_entry
 void	_nc_init_entry(
-		TERMTYPE *const tp)
+		ENTRY	*const tp)
 		{ /* void */ }
 
 #undef _nc_copy_entry
@@ -4983,8 +5193,8 @@ void	_nc_wrap_entry(
 
 #undef _nc_merge_entry
 void	_nc_merge_entry(
-		TERMTYPE *const to, 
-		TERMTYPE *const from)
+		ENTRY	*const target, 
+		ENTRY	*const source)
 		{ /* void */ }
 
 /* ./tinfo/captoinfo.c */
@@ -5016,11 +5226,8 @@ char	*_nc_tic_expand(
 
 #undef _nc_check_termtype2
 void	(*_nc_check_termtype2)(
-		TERMTYPE *p1, 
+		TERMTYPE2 *p1, 
 		NCURSES_BOOL p2);
-#undef _nc_check_termtype
-void	(*_nc_check_termtype)(
-		TERMTYPE *p1);
 
 #undef _nc_entry_match
 NCURSES_BOOL _nc_entry_match(
@@ -5044,11 +5251,6 @@ int	_nc_resolve_uses2(
 		NCURSES_BOOL literal)
 		{ return(*(int *)0); }
 
-#undef _nc_resolve_uses
-int	_nc_resolve_uses(
-		NCURSES_BOOL fullresolve)
-		{ return(*(int *)0); }
-
 /* ./tinfo/comp_scan.c */
 
 #undef _nc_syntax
@@ -5099,7 +5301,7 @@ void	_nc_panic_mode(
 
 #undef _nc_parse_entry
 int	_nc_parse_entry(
-		struct entry *entryp, 
+		ENTRY	*entryp, 
 		int	literal, 
 		NCURSES_BOOL silent)
 		{ return(*(int *)0); }
@@ -5110,23 +5312,26 @@ int	_nc_capcmp(
 		const char *t)
 		{ return(*(int *)0); }
 
-typedef struct {
-    const char *from;
-    const char *to;
-} assoc;
-
 /* ./tinfo/write_entry.c */
 
 #undef _nc_set_writedir
 void	_nc_set_writedir(
-		char	*dir)
+		const char *dir)
 		{ /* void */ }
 
 #undef _nc_write_entry
 void	_nc_write_entry(
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ /* void */ }
 
+#undef _nc_write_object
+int	_nc_write_object(
+		TERMTYPE2 *tp, 
+		char	*buffer, 
+		unsigned *offset, 
+		unsigned limit)
+		{ return(*(int *)0); }
+
 #undef _nc_tic_written
 int	_nc_tic_written(void)
 		{ return(*(int *)0); }
diff --git a/ncurses/llib-ltic b/ncurses/llib-ltic
index 981bb196706a..15b010c508cb 100644
--- a/ncurses/llib-ltic
+++ b/ncurses/llib-ltic
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2012 Free Software Foundation, Inc.                        *
+ * Copyright (c) 2012-2016,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -27,18 +27,17 @@
  ****************************************************************************/
 
 /****************************************************************************
- *  Author: Thomas E. Dickey 2012                                           *
+ *  Author: Thomas E. Dickey       2012-on                                  *
  ****************************************************************************/
 /* LINTLIBRARY */
 
 /* ./tinfo/alloc_entry.c */
 
 #include <curses.priv.h>
-#include <tic.h>
 
 #undef _nc_init_entry
 void	_nc_init_entry(
-		TERMTYPE *const tp)
+		ENTRY	*const tp)
 		{ /* void */ }
 
 #undef _nc_copy_entry
@@ -59,14 +58,12 @@ void	_nc_wrap_entry(
 
 #undef _nc_merge_entry
 void	_nc_merge_entry(
-		TERMTYPE *const to, 
-		TERMTYPE *const from)
+		ENTRY	*const target, 
+		ENTRY	*const source)
 		{ /* void */ }
 
 /* ./tinfo/captoinfo.c */
 
-#include <ctype.h>
-
 #undef _nc_captoinfo
 char	*_nc_captoinfo(
 		const char *cap, 
@@ -94,11 +91,8 @@ char	*_nc_tic_expand(
 
 #undef _nc_check_termtype2
 void	(*_nc_check_termtype2)(
-		TERMTYPE *p1, 
+		TERMTYPE2 *p1, 
 		NCURSES_BOOL p2);
-#undef _nc_check_termtype
-void	(*_nc_check_termtype)(
-		TERMTYPE *p1);
 
 #undef _nc_entry_match
 NCURSES_BOOL _nc_entry_match(
@@ -122,11 +116,6 @@ int	_nc_resolve_uses2(
 		NCURSES_BOOL literal)
 		{ return(*(int *)0); }
 
-#undef _nc_resolve_uses
-int	_nc_resolve_uses(
-		NCURSES_BOOL fullresolve)
-		{ return(*(int *)0); }
-
 /* ./tinfo/comp_scan.c */
 
 #undef _nc_syntax
@@ -177,7 +166,7 @@ void	_nc_panic_mode(
 
 #undef _nc_parse_entry
 int	_nc_parse_entry(
-		struct entry *entryp, 
+		ENTRY	*entryp, 
 		int	literal, 
 		NCURSES_BOOL silent)
 		{ return(*(int *)0); }
@@ -188,25 +177,26 @@ int	_nc_capcmp(
 		const char *t)
 		{ return(*(int *)0); }
 
-typedef struct {
-    const char *from;
-    const char *to;
-} assoc;
-
 /* ./tinfo/write_entry.c */
 
-#include <hashed_db.h>
-
 #undef _nc_set_writedir
 void	_nc_set_writedir(
-		char	*dir)
+		const char *dir)
 		{ /* void */ }
 
 #undef _nc_write_entry
 void	_nc_write_entry(
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ /* void */ }
 
+#undef _nc_write_object
+int	_nc_write_object(
+		TERMTYPE2 *tp, 
+		char	*buffer, 
+		unsigned *offset, 
+		unsigned limit)
+		{ return(*(int *)0); }
+
 #undef _nc_tic_written
 int	_nc_tic_written(void)
 		{ return(*(int *)0); }
diff --git a/ncurses/llib-ltict b/ncurses/llib-ltict
index 8371c1824876..db275ea8b9f7 100644
--- a/ncurses/llib-ltict
+++ b/ncurses/llib-ltict
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2013 Free Software Foundation, Inc.                        *
+ * Copyright (c) 2013-2016,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -27,18 +27,17 @@
  ****************************************************************************/
 
 /****************************************************************************
- *  Author: Thomas E. Dickey 2013                                           *
+ *  Author: Thomas E. Dickey       2013-on                                  *
  ****************************************************************************/
 /* LINTLIBRARY */
 
 /* ./tinfo/alloc_entry.c */
 
 #include <curses.priv.h>
-#include <tic.h>
 
 #undef _nc_init_entry
 void	_nc_init_entry(
-		TERMTYPE *const tp)
+		ENTRY	*const tp)
 		{ /* void */ }
 
 #undef _nc_copy_entry
@@ -59,14 +58,12 @@ void	_nc_wrap_entry(
 
 #undef _nc_merge_entry
 void	_nc_merge_entry(
-		TERMTYPE *const to, 
-		TERMTYPE *const from)
+		ENTRY	*const target, 
+		ENTRY	*const source)
 		{ /* void */ }
 
 /* ./tinfo/captoinfo.c */
 
-#include <ctype.h>
-
 #undef _nc_captoinfo
 char	*_nc_captoinfo(
 		const char *cap, 
@@ -94,11 +91,8 @@ char	*_nc_tic_expand(
 
 #undef _nc_check_termtype2
 void	(*_nc_check_termtype2)(
-		TERMTYPE *p1, 
+		TERMTYPE2 *p1, 
 		NCURSES_BOOL p2);
-#undef _nc_check_termtype
-void	(*_nc_check_termtype)(
-		TERMTYPE *p1);
 
 #undef _nc_entry_match
 NCURSES_BOOL _nc_entry_match(
@@ -122,11 +116,6 @@ int	_nc_resolve_uses2(
 		NCURSES_BOOL literal)
 		{ return(*(int *)0); }
 
-#undef _nc_resolve_uses
-int	_nc_resolve_uses(
-		NCURSES_BOOL fullresolve)
-		{ return(*(int *)0); }
-
 /* ./tinfo/comp_scan.c */
 
 #undef _nc_syntax
@@ -177,7 +166,7 @@ void	_nc_panic_mode(
 
 #undef _nc_parse_entry
 int	_nc_parse_entry(
-		struct entry *entryp, 
+		ENTRY	*entryp, 
 		int	literal, 
 		NCURSES_BOOL silent)
 		{ return(*(int *)0); }
@@ -188,25 +177,26 @@ int	_nc_capcmp(
 		const char *t)
 		{ return(*(int *)0); }
 
-typedef struct {
-    const char *from;
-    const char *to;
-} assoc;
-
 /* ./tinfo/write_entry.c */
 
-#include <hashed_db.h>
-
 #undef _nc_set_writedir
 void	_nc_set_writedir(
-		char	*dir)
+		const char *dir)
 		{ /* void */ }
 
 #undef _nc_write_entry
 void	_nc_write_entry(
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ /* void */ }
 
+#undef _nc_write_object
+int	_nc_write_object(
+		TERMTYPE2 *tp, 
+		char	*buffer, 
+		unsigned *offset, 
+		unsigned limit)
+		{ return(*(int *)0); }
+
 #undef _nc_tic_written
 int	_nc_tic_written(void)
 		{ return(*(int *)0); }
diff --git a/ncurses/llib-ltictw b/ncurses/llib-ltictw
index 981bb196706a..15b010c508cb 100644
--- a/ncurses/llib-ltictw
+++ b/ncurses/llib-ltictw
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2012 Free Software Foundation, Inc.                        *
+ * Copyright (c) 2012-2016,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -27,18 +27,17 @@
  ****************************************************************************/
 
 /****************************************************************************
- *  Author: Thomas E. Dickey 2012                                           *
+ *  Author: Thomas E. Dickey       2012-on                                  *
  ****************************************************************************/
 /* LINTLIBRARY */
 
 /* ./tinfo/alloc_entry.c */
 
 #include <curses.priv.h>
-#include <tic.h>
 
 #undef _nc_init_entry
 void	_nc_init_entry(
-		TERMTYPE *const tp)
+		ENTRY	*const tp)
 		{ /* void */ }
 
 #undef _nc_copy_entry
@@ -59,14 +58,12 @@ void	_nc_wrap_entry(
 
 #undef _nc_merge_entry
 void	_nc_merge_entry(
-		TERMTYPE *const to, 
-		TERMTYPE *const from)
+		ENTRY	*const target, 
+		ENTRY	*const source)
 		{ /* void */ }
 
 /* ./tinfo/captoinfo.c */
 
-#include <ctype.h>
-
 #undef _nc_captoinfo
 char	*_nc_captoinfo(
 		const char *cap, 
@@ -94,11 +91,8 @@ char	*_nc_tic_expand(
 
 #undef _nc_check_termtype2
 void	(*_nc_check_termtype2)(
-		TERMTYPE *p1, 
+		TERMTYPE2 *p1, 
 		NCURSES_BOOL p2);
-#undef _nc_check_termtype
-void	(*_nc_check_termtype)(
-		TERMTYPE *p1);
 
 #undef _nc_entry_match
 NCURSES_BOOL _nc_entry_match(
@@ -122,11 +116,6 @@ int	_nc_resolve_uses2(
 		NCURSES_BOOL literal)
 		{ return(*(int *)0); }
 
-#undef _nc_resolve_uses
-int	_nc_resolve_uses(
-		NCURSES_BOOL fullresolve)
-		{ return(*(int *)0); }
-
 /* ./tinfo/comp_scan.c */
 
 #undef _nc_syntax
@@ -177,7 +166,7 @@ void	_nc_panic_mode(
 
 #undef _nc_parse_entry
 int	_nc_parse_entry(
-		struct entry *entryp, 
+		ENTRY	*entryp, 
 		int	literal, 
 		NCURSES_BOOL silent)
 		{ return(*(int *)0); }
@@ -188,25 +177,26 @@ int	_nc_capcmp(
 		const char *t)
 		{ return(*(int *)0); }
 
-typedef struct {
-    const char *from;
-    const char *to;
-} assoc;
-
 /* ./tinfo/write_entry.c */
 
-#include <hashed_db.h>
-
 #undef _nc_set_writedir
 void	_nc_set_writedir(
-		char	*dir)
+		const char *dir)
 		{ /* void */ }
 
 #undef _nc_write_entry
 void	_nc_write_entry(
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ /* void */ }
 
+#undef _nc_write_object
+int	_nc_write_object(
+		TERMTYPE2 *tp, 
+		char	*buffer, 
+		unsigned *offset, 
+		unsigned limit)
+		{ return(*(int *)0); }
+
 #undef _nc_tic_written
 int	_nc_tic_written(void)
 		{ return(*(int *)0); }
diff --git a/ncurses/llib-lticw b/ncurses/llib-lticw
index 981bb196706a..15b010c508cb 100644
--- a/ncurses/llib-lticw
+++ b/ncurses/llib-lticw
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2012 Free Software Foundation, Inc.                        *
+ * Copyright (c) 2012-2016,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -27,18 +27,17 @@
  ****************************************************************************/
 
 /****************************************************************************
- *  Author: Thomas E. Dickey 2012                                           *
+ *  Author: Thomas E. Dickey       2012-on                                  *
  ****************************************************************************/
 /* LINTLIBRARY */
 
 /* ./tinfo/alloc_entry.c */
 
 #include <curses.priv.h>
-#include <tic.h>
 
 #undef _nc_init_entry
 void	_nc_init_entry(
-		TERMTYPE *const tp)
+		ENTRY	*const tp)
 		{ /* void */ }
 
 #undef _nc_copy_entry
@@ -59,14 +58,12 @@ void	_nc_wrap_entry(
 
 #undef _nc_merge_entry
 void	_nc_merge_entry(
-		TERMTYPE *const to, 
-		TERMTYPE *const from)
+		ENTRY	*const target, 
+		ENTRY	*const source)
 		{ /* void */ }
 
 /* ./tinfo/captoinfo.c */
 
-#include <ctype.h>
-
 #undef _nc_captoinfo
 char	*_nc_captoinfo(
 		const char *cap, 
@@ -94,11 +91,8 @@ char	*_nc_tic_expand(
 
 #undef _nc_check_termtype2
 void	(*_nc_check_termtype2)(
-		TERMTYPE *p1, 
+		TERMTYPE2 *p1, 
 		NCURSES_BOOL p2);
-#undef _nc_check_termtype
-void	(*_nc_check_termtype)(
-		TERMTYPE *p1);
 
 #undef _nc_entry_match
 NCURSES_BOOL _nc_entry_match(
@@ -122,11 +116,6 @@ int	_nc_resolve_uses2(
 		NCURSES_BOOL literal)
 		{ return(*(int *)0); }
 
-#undef _nc_resolve_uses
-int	_nc_resolve_uses(
-		NCURSES_BOOL fullresolve)
-		{ return(*(int *)0); }
-
 /* ./tinfo/comp_scan.c */
 
 #undef _nc_syntax
@@ -177,7 +166,7 @@ void	_nc_panic_mode(
 
 #undef _nc_parse_entry
 int	_nc_parse_entry(
-		struct entry *entryp, 
+		ENTRY	*entryp, 
 		int	literal, 
 		NCURSES_BOOL silent)
 		{ return(*(int *)0); }
@@ -188,25 +177,26 @@ int	_nc_capcmp(
 		const char *t)
 		{ return(*(int *)0); }
 
-typedef struct {
-    const char *from;
-    const char *to;
-} assoc;
-
 /* ./tinfo/write_entry.c */
 
-#include <hashed_db.h>
-
 #undef _nc_set_writedir
 void	_nc_set_writedir(
-		char	*dir)
+		const char *dir)
 		{ /* void */ }
 
 #undef _nc_write_entry
 void	_nc_write_entry(
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ /* void */ }
 
+#undef _nc_write_object
+int	_nc_write_object(
+		TERMTYPE2 *tp, 
+		char	*buffer, 
+		unsigned *offset, 
+		unsigned limit)
+		{ return(*(int *)0); }
+
 #undef _nc_tic_written
 int	_nc_tic_written(void)
 		{ return(*(int *)0); }
diff --git a/ncurses/llib-ltinfo b/ncurses/llib-ltinfo
index 79ac2293e370..b438d5f7f2b5 100644
--- a/ncurses/llib-ltinfo
+++ b/ncurses/llib-ltinfo
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2012,2013 Free Software Foundation, Inc.                   *
+ * Copyright (c) 2012-2017,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -27,15 +27,13 @@
  ****************************************************************************/
 
 /****************************************************************************
- *  Author: Thomas E. Dickey 2012                                           *
+ *  Author: Thomas E. Dickey       2012-on                                  *
  ****************************************************************************/
 /* LINTLIBRARY */
 
 /* ./tinfo/access.c */
 
 #include <curses.priv.h>
-#include <ctype.h>
-#include <tic.h>
 
 #undef _nc_rootname
 char	*_nc_rootname(
@@ -90,8 +88,8 @@ int	_nc_add_to_try(
 
 #undef _nc_align_termtype
 void	_nc_align_termtype(
-		TERMTYPE *to, 
-		TERMTYPE *from)
+		TERMTYPE2 *to, 
+		TERMTYPE2 *from)
 		{ /* void */ }
 
 #undef _nc_copy_termtype
@@ -103,16 +101,14 @@ void	_nc_copy_termtype(
 /* ./codes.c */
 
 #undef boolcodes
-char	*const boolcodes[] = {0};
+const char *const boolcodes[] = {0};
 #undef numcodes
-char	*const numcodes[] = {0};
+const char *const numcodes[] = {0};
 #undef strcodes
-char	*const strcodes[] = {0};
+const char *const strcodes[] = {0};
 
 /* ./comp_captab.c */
 
-#include <hashsize.h>
-
 #undef _nc_get_table
 const struct name_table_entry *_nc_get_table(
 		NCURSES_BOOL termcap)
@@ -194,9 +190,22 @@ struct name_table_entry const *_nc_find_type_entry(
 		NCURSES_BOOL termcap)
 		{ return(*(struct name_table_entry const **)0); }
 
-/* ./tinfo/db_iterator.c */
+#undef _nc_find_user_entry
+struct user_table_entry const *_nc_find_user_entry(
+		const char *string)
+		{ return(*(struct user_table_entry const **)0); }
+
+/* ./comp_userdefs.c */
+
+#undef _nc_get_userdefs_table
+const struct user_table_entry *_nc_get_userdefs_table(void)
+		{ return(*(const struct user_table_entry **)0); }
+
+#undef _nc_get_hash_user
+const HashData *_nc_get_hash_user(void)
+		{ return(*(const HashData **)0); }
 
-#include <time.h>
+/* ./tinfo/db_iterator.c */
 
 #undef _nc_tic_dir
 const char *_nc_tic_dir(
@@ -242,7 +251,7 @@ ENTRY	*_nc_tail;
 #undef _nc_free_entry
 void	_nc_free_entry(
 		ENTRY	*headp, 
-		TERMTYPE *tterm)
+		TERMTYPE2 *tterm)
 		{ /* void */ }
 
 #undef _nc_free_entries
@@ -250,12 +259,6 @@ void	_nc_free_entries(
 		ENTRY	*headp)
 		{ /* void */ }
 
-#undef _nc_delink_entry
-ENTRY	*_nc_delink_entry(
-		ENTRY	*headp, 
-		TERMTYPE *tterm)
-		{ return(*(ENTRY **)0); }
-
 #undef _nc_leaks_tinfo
 void	_nc_leaks_tinfo(void)
 		{ /* void */ }
@@ -263,9 +266,9 @@ void	_nc_leaks_tinfo(void)
 /* ./fallback.c */
 
 #undef _nc_fallback
-const TERMTYPE *_nc_fallback(
+const TERMTYPE2 *_nc_fallback(
 		const char *name)
-		{ return(*(const TERMTYPE **)0); }
+		{ return(*(const TERMTYPE2 **)0); }
 
 /* ./tinfo/free_ttype.c */
 
@@ -303,15 +306,6 @@ char	*_nc_home_terminfo(void)
 
 /* ./tinfo/init_keytry.c */
 
-#if 0
-
-#include <init_keytry.h>
-
-#undef _nc_tinfo_fkeys
-const struct tinfo_fkeys _nc_tinfo_fkeys[] = {0};
-
-#endif
-
 #undef _nc_init_keytry
 void	_nc_init_keytry(
 		SCREEN	*sp)
@@ -333,11 +327,9 @@ void	_nc_init_acs(void)
 
 /* ./tinfo/lib_baudrate.c */
 
-#include <termcap.h>
-
 struct speed {
-    int s; 
-    int sp; 
+    int given_speed; 
+    int actual_speed; 
 };
 
 #undef _nc_baudrate
@@ -462,26 +454,29 @@ int	flushinp(void)
 struct kn { short offset; int code; };
 
 #undef keyname_sp
-char	*keyname_sp(
+const char *keyname_sp(
 		SCREEN	*sp, 
 		int	c)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 #undef keyname
-char	*keyname(
+const char *keyname(
 		int	c)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 /* ./tinfo/lib_longname.c */
 
+#undef longname_sp
+char	*longname_sp(
+		SCREEN	*sp)
+		{ return(*(char **)0); }
+
 #undef longname
 char	*longname(void)
 		{ return(*(char **)0); }
 
 /* ./tinfo/lib_napms.c */
 
-#include <sys/time.h>
-
 #undef napms_sp
 int	napms_sp(
 		SCREEN	*sp, 
@@ -665,10 +660,6 @@ int	intrflush(
 
 /* ./tinfo/lib_setup.c */
 
-#include <locale.h>
-#include <sys/ioctl.h>
-#include <langinfo.h>
-
 #undef ttytype
 char	ttytype[256];
 #undef LINES
@@ -731,7 +722,7 @@ void	_nc_update_screensize(
 #undef _nc_setup_tinfo
 int	_nc_setup_tinfo(
 		const char *const tn, 
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ return(*(int *)0); }
 
 #undef _nc_tinfo_cmdch
@@ -755,7 +746,7 @@ int	_nc_locale_breaks_acs(
 
 #undef _nc_setupterm
 int	_nc_setupterm(
-		char	*tname, 
+		const char *tname, 
 		int	Filedes, 
 		int	*errret, 
 		int	reuse)
@@ -767,7 +758,7 @@ SCREEN	*new_prescr(void)
 
 #undef setupterm
 int	setupterm(
-		char	*tname, 
+		const char *tname, 
 		int	Filedes, 
 		int	*errret)
 		{ return(*(int *)0); }
@@ -786,12 +777,6 @@ int	tgetent_sp(
 		const char *name)
 		{ return(*(int *)0); }
 
-#if 0
-
-#include <capdefaults.c>
-
-#endif
-
 #undef tgetent
 int	tgetent(
 		char	*bufp, 
@@ -801,35 +786,35 @@ int	tgetent(
 #undef tgetflag_sp
 int	tgetflag_sp(
 		SCREEN	*sp, 
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetflag
 int	tgetflag(
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetnum_sp
 int	tgetnum_sp(
 		SCREEN	*sp, 
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetnum
 int	tgetnum(
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetstr_sp
 char	*tgetstr_sp(
 		SCREEN	*sp, 
-		char	*id, 
+		const char *id, 
 		char	**area)
 		{ return(*(char **)0); }
 
 #undef tgetstr
 char	*tgetstr(
-		char	*id, 
+		const char *id, 
 		char	**area)
 		{ return(*(char **)0); }
 
@@ -858,34 +843,34 @@ char	*tgoto(
 #undef tigetflag_sp
 int	tigetflag_sp(
 		SCREEN	*sp, 
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetflag
 int	tigetflag(
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetnum_sp
 int	tigetnum_sp(
 		SCREEN	*sp, 
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetnum
 int	tigetnum(
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetstr_sp
 char	*tigetstr_sp(
 		SCREEN	*sp, 
-		char	*str)
+		const char *str)
 		{ return(*(char **)0); }
 
 #undef tigetstr
 char	*tigetstr(
-		char	*str)
+		const char *str)
 		{ return(*(char **)0); }
 
 /* ./tinfo/lib_tparm.c */
@@ -902,7 +887,7 @@ int	_nc_tparm_analyze(
 
 #undef tparm
 char	*tparm(
-		char	*string, 
+		const char *string, 
 		...)
 		{ return(*(char **)0); }
 
@@ -1065,9 +1050,9 @@ const char *_nc_retrace_cptr(
 		{ return(*(const char **)0); }
 
 #undef _nc_retrace_cvoid_ptr
-void	*_nc_retrace_cvoid_ptr(
-		void	*code)
-		{ return(*(void **)0); }
+const void *_nc_retrace_cvoid_ptr(
+		const void *code)
+		{ return(*(const void **)0); }
 
 #undef _nc_retrace_void_ptr
 void	*_nc_retrace_void_ptr(
@@ -1084,6 +1069,13 @@ WINDOW	*_nc_retrace_win(
 		WINDOW	*code)
 		{ return(*(WINDOW **)0); }
 
+#undef _nc_fmt_funcptr
+char	*_nc_fmt_funcptr(
+		char	*target, 
+		const char *source, 
+		size_t	size)
+		{ return(*(char **)0); }
+
 /* ./trace/lib_traceatr.c */
 
 #undef _traceattr2
@@ -1131,11 +1123,6 @@ chtype	_nc_retrace_chtype(
 
 /* ./trace/lib_tracebits.c */
 
-typedef struct {
-    unsigned int val;
-    const char *name;
-} BITNAMES;
-
 #undef _nc_trace_ttymode
 char	*_nc_trace_ttymode(
 		struct termios *tty)
@@ -1263,17 +1250,17 @@ int	_nc_name_match(
 /* ./names.c */
 
 #undef boolnames
-char	*const boolnames[] = {0};
+const char *const boolnames[] = {0};
 #undef boolfnames
-char	*const boolfnames[] = {0};
+const char *const boolfnames[] = {0};
 #undef numnames
-char	*const numnames[] = {0};
+const char *const numnames[] = {0};
 #undef numfnames
-char	*const numfnames[] = {0};
+const char *const numfnames[] = {0};
 #undef strnames
-char	*const strnames[] = {0};
+const char *const strnames[] = {0};
 #undef strfnames
-char	*const strfnames[] = {0};
+const char *const strfnames[] = {0};
 
 /* ./tinfo/obsolete.c */
 
@@ -1292,16 +1279,14 @@ void	_nc_set_buffer(
 
 /* ./tinfo/read_entry.c */
 
-#include <hashed_db.h>
-
 #undef _nc_init_termtype
 void	_nc_init_termtype(
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ /* void */ }
 
 #undef _nc_read_termtype
 int	_nc_read_termtype(
-		TERMTYPE *ptr, 
+		TERMTYPE2 *ptr, 
 		char	*buffer, 
 		int	limit)
 		{ return(*(int *)0); }
@@ -1309,20 +1294,18 @@ int	_nc_read_termtype(
 #undef _nc_read_file_entry
 int	_nc_read_file_entry(
 		const char *const filename, 
-		TERMTYPE *ptr)
+		TERMTYPE2 *ptr)
 		{ return(*(int *)0); }
 
 #undef _nc_read_entry
 int	_nc_read_entry(
 		const char *const name, 
 		char	*const filename, 
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ return(*(int *)0); }
 
 /* ./tinfo/read_termcap.c */
 
-#include <sys/types.h>
-
 #undef _nc_read_termcap
 void	_nc_read_termcap(void)
 		{ /* void */ }
@@ -1407,21 +1390,21 @@ int	_nc_remove_string(
 
 #undef _nc_trim_sgr0
 char	*_nc_trim_sgr0(
-		TERMTYPE *tp)
+		TERMTYPE2 *tp)
 		{ return(*(char **)0); }
 
 /* ./unctrl.c */
 
 #undef unctrl_sp
-char	*unctrl_sp(
+const char *unctrl_sp(
 		SCREEN	*sp, 
 		chtype	ch)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 #undef unctrl
-char	*unctrl(
+const char *unctrl(
 		chtype	ch)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 /* ./trace/visbuf.c */
 
diff --git a/ncurses/llib-ltinfot b/ncurses/llib-ltinfot
index 4f66f6a057d2..e33aefbb2a1c 100644
--- a/ncurses/llib-ltinfot
+++ b/ncurses/llib-ltinfot
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2013 Free Software Foundation, Inc.                        *
+ * Copyright (c) 2013-2017,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -27,15 +27,13 @@
  ****************************************************************************/
 
 /****************************************************************************
- *  Author: Thomas E. Dickey 2013                                           *
+ *  Author: Thomas E. Dickey       2013-on                                  *
  ****************************************************************************/
 /* LINTLIBRARY */
 
 /* ./tinfo/access.c */
 
 #include <curses.priv.h>
-#include <ctype.h>
-#include <tic.h>
 
 #undef _nc_rootname
 char	*_nc_rootname(
@@ -90,8 +88,8 @@ int	_nc_add_to_try(
 
 #undef _nc_align_termtype
 void	_nc_align_termtype(
-		TERMTYPE *to, 
-		TERMTYPE *from)
+		TERMTYPE2 *to, 
+		TERMTYPE2 *from)
 		{ /* void */ }
 
 #undef _nc_copy_termtype
@@ -103,21 +101,19 @@ void	_nc_copy_termtype(
 /* ./codes.c */
 
 #undef _nc_boolcodes
-char	*const *_nc_boolcodes(void)
-		{ return(*(char **)0); }
+const char *const *_nc_boolcodes(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_numcodes
-char	*const *_nc_numcodes(void)
-		{ return(*(char **)0); }
+const char *const *_nc_numcodes(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_strcodes
-char	*const *_nc_strcodes(void)
-		{ return(*(char **)0); }
+const char *const *_nc_strcodes(void)
+		{ return(*(const char **)0); }
 
 /* ./comp_captab.c */
 
-#include <hashsize.h>
-
 #undef _nc_get_table
 const struct name_table_entry *_nc_get_table(
 		NCURSES_BOOL termcap)
@@ -199,9 +195,22 @@ struct name_table_entry const *_nc_find_type_entry(
 		NCURSES_BOOL termcap)
 		{ return(*(struct name_table_entry const **)0); }
 
-/* ./tinfo/db_iterator.c */
+#undef _nc_find_user_entry
+struct user_table_entry const *_nc_find_user_entry(
+		const char *string)
+		{ return(*(struct user_table_entry const **)0); }
 
-#include <time.h>
+/* ./comp_userdefs.c */
+
+#undef _nc_get_userdefs_table
+const struct user_table_entry *_nc_get_userdefs_table(void)
+		{ return(*(const struct user_table_entry **)0); }
+
+#undef _nc_get_hash_user
+const HashData *_nc_get_hash_user(void)
+		{ return(*(const HashData **)0); }
+
+/* ./tinfo/db_iterator.c */
 
 #undef _nc_tic_dir
 const char *_nc_tic_dir(
@@ -247,7 +256,7 @@ ENTRY	*_nc_tail;
 #undef _nc_free_entry
 void	_nc_free_entry(
 		ENTRY	*headp, 
-		TERMTYPE *tterm)
+		TERMTYPE2 *tterm)
 		{ /* void */ }
 
 #undef _nc_free_entries
@@ -255,12 +264,6 @@ void	_nc_free_entries(
 		ENTRY	*headp)
 		{ /* void */ }
 
-#undef _nc_delink_entry
-ENTRY	*_nc_delink_entry(
-		ENTRY	*headp, 
-		TERMTYPE *tterm)
-		{ return(*(ENTRY **)0); }
-
 #undef _nc_leaks_tinfo
 void	_nc_leaks_tinfo(void)
 		{ /* void */ }
@@ -268,9 +271,9 @@ void	_nc_leaks_tinfo(void)
 /* ./fallback.c */
 
 #undef _nc_fallback
-const TERMTYPE *_nc_fallback(
+const TERMTYPE2 *_nc_fallback(
 		const char *name)
-		{ return(*(const TERMTYPE **)0); }
+		{ return(*(const TERMTYPE2 **)0); }
 
 /* ./tinfo/free_ttype.c */
 
@@ -308,15 +311,6 @@ char	*_nc_home_terminfo(void)
 
 /* ./tinfo/init_keytry.c */
 
-#if 0
-
-#include <init_keytry.h>
-
-#undef _nc_tinfo_fkeys
-const struct tinfo_fkeys _nc_tinfo_fkeys[] = {0};
-
-#endif
-
 #undef _nc_init_keytry
 void	_nc_init_keytry(
 		SCREEN	*sp)
@@ -339,11 +333,9 @@ void	_nc_init_acs(void)
 
 /* ./tinfo/lib_baudrate.c */
 
-#include <termcap.h>
-
 struct speed {
-    int s; 
-    int sp; 
+    int given_speed; 
+    int actual_speed; 
 };
 
 #undef _nc_baudrate
@@ -508,15 +500,15 @@ int	flushinp(void)
 struct kn { short offset; int code; };
 
 #undef keyname_sp
-char	*keyname_sp(
+const char *keyname_sp(
 		SCREEN	*sp, 
 		int	c)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 #undef keyname
-char	*keyname(
+const char *keyname(
 		int	c)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 /* ./tinfo/lib_longname.c */
 
@@ -714,10 +706,6 @@ int	intrflush(
 
 /* ./tinfo/lib_setup.c */
 
-#include <locale.h>
-#include <sys/ioctl.h>
-#include <langinfo.h>
-
 #undef _nc_ttytype
 char	*_nc_ttytype(void)
 		{ return(*(char **)0); }
@@ -802,7 +790,7 @@ void	_nc_update_screensize(
 #undef _nc_setup_tinfo
 int	_nc_setup_tinfo(
 		const char *const tn, 
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ return(*(int *)0); }
 
 #undef _nc_tinfo_cmdch
@@ -826,19 +814,27 @@ int	_nc_locale_breaks_acs(
 
 #undef _nc_setupterm
 int	_nc_setupterm(
-		char	*tname, 
+		const char *tname, 
 		int	Filedes, 
 		int	*errret, 
 		int	reuse)
 		{ return(*(int *)0); }
 
+#undef _nc_find_prescr
+SCREEN	*_nc_find_prescr(void)
+		{ return(*(SCREEN **)0); }
+
+#undef _nc_forget_prescr
+void	_nc_forget_prescr(void)
+		{ /* void */ }
+
 #undef new_prescr
 SCREEN	*new_prescr(void)
 		{ return(*(SCREEN **)0); }
 
 #undef setupterm
 int	setupterm(
-		char	*tname, 
+		const char *tname, 
 		int	Filedes, 
 		int	*errret)
 		{ return(*(int *)0); }
@@ -857,12 +853,6 @@ int	tgetent_sp(
 		const char *name)
 		{ return(*(int *)0); }
 
-#if 0
-
-#include <capdefaults.c>
-
-#endif
-
 #undef tgetent
 int	tgetent(
 		char	*bufp, 
@@ -872,35 +862,35 @@ int	tgetent(
 #undef tgetflag_sp
 int	tgetflag_sp(
 		SCREEN	*sp, 
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetflag
 int	tgetflag(
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetnum_sp
 int	tgetnum_sp(
 		SCREEN	*sp, 
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetnum
 int	tgetnum(
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetstr_sp
 char	*tgetstr_sp(
 		SCREEN	*sp, 
-		char	*id, 
+		const char *id, 
 		char	**area)
 		{ return(*(char **)0); }
 
 #undef tgetstr
 char	*tgetstr(
-		char	*id, 
+		const char *id, 
 		char	**area)
 		{ return(*(char **)0); }
 
@@ -929,34 +919,34 @@ char	*tgoto(
 #undef tigetflag_sp
 int	tigetflag_sp(
 		SCREEN	*sp, 
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetflag
 int	tigetflag(
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetnum_sp
 int	tigetnum_sp(
 		SCREEN	*sp, 
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetnum
 int	tigetnum(
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetstr_sp
 char	*tigetstr_sp(
 		SCREEN	*sp, 
-		char	*str)
+		const char *str)
 		{ return(*(char **)0); }
 
 #undef tigetstr
 char	*tigetstr(
-		char	*str)
+		const char *str)
 		{ return(*(char **)0); }
 
 /* ./tinfo/lib_tparm.c */
@@ -973,7 +963,7 @@ int	_nc_tparm_analyze(
 
 #undef tparm
 char	*tparm(
-		char	*string, 
+		const char *string, 
 		...)
 		{ return(*(char **)0); }
 
@@ -1150,9 +1140,9 @@ const char *_nc_retrace_cptr(
 		{ return(*(const char **)0); }
 
 #undef _nc_retrace_cvoid_ptr
-void	*_nc_retrace_cvoid_ptr(
-		void	*code)
-		{ return(*(void **)0); }
+const void *_nc_retrace_cvoid_ptr(
+		const void *code)
+		{ return(*(const void **)0); }
 
 #undef _nc_retrace_void_ptr
 void	*_nc_retrace_void_ptr(
@@ -1169,6 +1159,13 @@ WINDOW	*_nc_retrace_win(
 		WINDOW	*code)
 		{ return(*(WINDOW **)0); }
 
+#undef _nc_fmt_funcptr
+char	*_nc_fmt_funcptr(
+		char	*target, 
+		const char *source, 
+		size_t	size)
+		{ return(*(char **)0); }
+
 #undef _nc_use_tracef
 int	_nc_use_tracef(
 		unsigned mask)
@@ -1227,11 +1224,6 @@ chtype	_nc_retrace_chtype(
 
 /* ./trace/lib_tracebits.c */
 
-typedef struct {
-    unsigned int val;
-    const char *name;
-} BITNAMES;
-
 #undef _nc_trace_ttymode
 char	*_nc_trace_ttymode(
 		struct termios *tty)
@@ -1334,8 +1326,6 @@ int	resetty(void)
 
 /* ./tty/lib_twait.c */
 
-#include <sys/time.h>
-
 #undef _nc_timed_wait
 int	_nc_timed_wait(
 		SCREEN	*sp, 
@@ -1361,28 +1351,28 @@ int	_nc_name_match(
 /* ./names.c */
 
 #undef _nc_boolnames
-char	*const *_nc_boolnames(void)
-		{ return(*(char **)0); }
+const char *const *_nc_boolnames(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_boolfnames
-char	*const *_nc_boolfnames(void)
-		{ return(*(char **)0); }
+const char *const *_nc_boolfnames(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_numnames
-char	*const *_nc_numnames(void)
-		{ return(*(char **)0); }
+const char *const *_nc_numnames(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_numfnames
-char	*const *_nc_numfnames(void)
-		{ return(*(char **)0); }
+const char *const *_nc_numfnames(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_strnames
-char	*const *_nc_strnames(void)
-		{ return(*(char **)0); }
+const char *const *_nc_strnames(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_strfnames
-char	*const *_nc_strfnames(void)
-		{ return(*(char **)0); }
+const char *const *_nc_strfnames(void)
+		{ return(*(const char **)0); }
 
 /* ./tinfo/obsolete.c */
 
@@ -1401,16 +1391,14 @@ void	_nc_set_buffer(
 
 /* ./tinfo/read_entry.c */
 
-#include <hashed_db.h>
-
 #undef _nc_init_termtype
 void	_nc_init_termtype(
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ /* void */ }
 
 #undef _nc_read_termtype
 int	_nc_read_termtype(
-		TERMTYPE *ptr, 
+		TERMTYPE2 *ptr, 
 		char	*buffer, 
 		int	limit)
 		{ return(*(int *)0); }
@@ -1418,20 +1406,18 @@ int	_nc_read_termtype(
 #undef _nc_read_file_entry
 int	_nc_read_file_entry(
 		const char *const filename, 
-		TERMTYPE *ptr)
+		TERMTYPE2 *ptr)
 		{ return(*(int *)0); }
 
 #undef _nc_read_entry
 int	_nc_read_entry(
 		const char *const name, 
 		char	*const filename, 
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ return(*(int *)0); }
 
 /* ./tinfo/read_termcap.c */
 
-#include <sys/types.h>
-
 #undef _nc_read_termcap
 void	_nc_read_termcap(void)
 		{ /* void */ }
@@ -1516,21 +1502,21 @@ int	_nc_remove_string(
 
 #undef _nc_trim_sgr0
 char	*_nc_trim_sgr0(
-		TERMTYPE *tp)
+		TERMTYPE2 *tp)
 		{ return(*(char **)0); }
 
 /* ./unctrl.c */
 
 #undef unctrl_sp
-char	*unctrl_sp(
+const char *unctrl_sp(
 		SCREEN	*sp, 
 		chtype	ch)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 #undef unctrl
-char	*unctrl(
+const char *unctrl(
 		chtype	ch)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 /* ./trace/visbuf.c */
 
diff --git a/ncurses/llib-ltinfotw b/ncurses/llib-ltinfotw
index ec9b63d443ff..10a8fddb2e8a 100644
--- a/ncurses/llib-ltinfotw
+++ b/ncurses/llib-ltinfotw
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2012,2013 Free Software Foundation, Inc.                   *
+ * Copyright (c) 2012-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -27,15 +27,13 @@
  ****************************************************************************/
 
 /****************************************************************************
- *  Author: Thomas E. Dickey 2012                                           *
+ *  Author: Thomas E. Dickey       2012-on                                  *
  ****************************************************************************/
 /* LINTLIBRARY */
 
 /* ./tinfo/access.c */
 
 #include <curses.priv.h>
-#include <ctype.h>
-#include <tic.h>
 
 #undef _nc_rootname
 char	*_nc_rootname(
@@ -90,8 +88,8 @@ int	_nc_add_to_try(
 
 #undef _nc_align_termtype
 void	_nc_align_termtype(
-		TERMTYPE *to, 
-		TERMTYPE *from)
+		TERMTYPE2 *to, 
+		TERMTYPE2 *from)
 		{ /* void */ }
 
 #undef _nc_copy_termtype
@@ -100,24 +98,34 @@ void	_nc_copy_termtype(
 		const TERMTYPE *src)
 		{ /* void */ }
 
+#undef _nc_copy_termtype2
+void	_nc_copy_termtype2(
+		TERMTYPE2 *dst, 
+		const TERMTYPE2 *src)
+		{ /* void */ }
+
+#undef _nc_export_termtype2
+void	_nc_export_termtype2(
+		TERMTYPE *dst, 
+		const TERMTYPE2 *src)
+		{ /* void */ }
+
 /* ./codes.c */
 
 #undef _nc_boolcodes
-char	*const *_nc_boolcodes(void)
-		{ return(*(char **)0); }
+const char *const *_nc_boolcodes(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_numcodes
-char	*const *_nc_numcodes(void)
-		{ return(*(char **)0); }
+const char *const *_nc_numcodes(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_strcodes
-char	*const *_nc_strcodes(void)
-		{ return(*(char **)0); }
+const char *const *_nc_strcodes(void)
+		{ return(*(const char **)0); }
 
 /* ./comp_captab.c */
 
-#include <hashsize.h>
-
 #undef _nc_get_table
 const struct name_table_entry *_nc_get_table(
 		NCURSES_BOOL termcap)
@@ -199,9 +207,22 @@ struct name_table_entry const *_nc_find_type_entry(
 		NCURSES_BOOL termcap)
 		{ return(*(struct name_table_entry const **)0); }
 
-/* ./tinfo/db_iterator.c */
+#undef _nc_find_user_entry
+struct user_table_entry const *_nc_find_user_entry(
+		const char *string)
+		{ return(*(struct user_table_entry const **)0); }
+
+/* ./comp_userdefs.c */
 
-#include <time.h>
+#undef _nc_get_userdefs_table
+const struct user_table_entry *_nc_get_userdefs_table(void)
+		{ return(*(const struct user_table_entry **)0); }
+
+#undef _nc_get_hash_user
+const HashData *_nc_get_hash_user(void)
+		{ return(*(const HashData **)0); }
+
+/* ./tinfo/db_iterator.c */
 
 #undef _nc_tic_dir
 const char *_nc_tic_dir(
@@ -247,7 +268,7 @@ ENTRY	*_nc_tail;
 #undef _nc_free_entry
 void	_nc_free_entry(
 		ENTRY	*headp, 
-		TERMTYPE *tterm)
+		TERMTYPE2 *tterm)
 		{ /* void */ }
 
 #undef _nc_free_entries
@@ -255,18 +276,17 @@ void	_nc_free_entries(
 		ENTRY	*headp)
 		{ /* void */ }
 
-#undef _nc_delink_entry
-ENTRY	*_nc_delink_entry(
-		ENTRY	*headp, 
-		TERMTYPE *tterm)
-		{ return(*(ENTRY **)0); }
-
 #undef _nc_leaks_tinfo
 void	_nc_leaks_tinfo(void)
 		{ /* void */ }
 
 /* ./fallback.c */
 
+#undef _nc_fallback2
+const TERMTYPE2 *_nc_fallback2(
+		const char *name)
+		{ return(*(const TERMTYPE2 **)0); }
+
 #undef _nc_fallback
 const TERMTYPE *_nc_fallback(
 		const char *name)
@@ -279,6 +299,11 @@ void	_nc_free_termtype(
 		TERMTYPE *ptr)
 		{ /* void */ }
 
+#undef _nc_free_termtype2
+void	_nc_free_termtype2(
+		TERMTYPE2 *ptr)
+		{ /* void */ }
+
 #undef _nc_user_definable
 NCURSES_BOOL _nc_user_definable;
 
@@ -308,15 +333,6 @@ char	*_nc_home_terminfo(void)
 
 /* ./tinfo/init_keytry.c */
 
-#if 0
-
-#include <init_keytry.h>
-
-#undef _nc_tinfo_fkeys
-const struct tinfo_fkeys _nc_tinfo_fkeys[] = {0};
-
-#endif
-
 #undef _nc_init_keytry
 void	_nc_init_keytry(
 		SCREEN	*sp)
@@ -339,11 +355,9 @@ void	_nc_init_acs(void)
 
 /* ./tinfo/lib_baudrate.c */
 
-#include <termcap.h>
-
 struct speed {
-    int s; 
-    int sp; 
+    int given_speed; 
+    int actual_speed; 
 };
 
 #undef _nc_baudrate
@@ -508,15 +522,15 @@ int	flushinp(void)
 struct kn { short offset; int code; };
 
 #undef keyname_sp
-char	*keyname_sp(
+const char *keyname_sp(
 		SCREEN	*sp, 
 		int	c)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 #undef keyname
-char	*keyname(
+const char *keyname(
 		int	c)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 /* ./tinfo/lib_longname.c */
 
@@ -714,10 +728,6 @@ int	intrflush(
 
 /* ./tinfo/lib_setup.c */
 
-#include <locale.h>
-#include <sys/ioctl.h>
-#include <langinfo.h>
-
 #undef _nc_ttytype
 char	*_nc_ttytype(void)
 		{ return(*(char **)0); }
@@ -802,7 +812,7 @@ void	_nc_update_screensize(
 #undef _nc_setup_tinfo
 int	_nc_setup_tinfo(
 		const char *const tn, 
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ return(*(int *)0); }
 
 #undef _nc_tinfo_cmdch
@@ -826,19 +836,27 @@ int	_nc_locale_breaks_acs(
 
 #undef _nc_setupterm
 int	_nc_setupterm(
-		char	*tname, 
+		const char *tname, 
 		int	Filedes, 
 		int	*errret, 
 		int	reuse)
 		{ return(*(int *)0); }
 
+#undef _nc_find_prescr
+SCREEN	*_nc_find_prescr(void)
+		{ return(*(SCREEN **)0); }
+
+#undef _nc_forget_prescr
+void	_nc_forget_prescr(void)
+		{ /* void */ }
+
 #undef new_prescr
 SCREEN	*new_prescr(void)
 		{ return(*(SCREEN **)0); }
 
 #undef setupterm
 int	setupterm(
-		char	*tname, 
+		const char *tname, 
 		int	Filedes, 
 		int	*errret)
 		{ return(*(int *)0); }
@@ -857,12 +875,6 @@ int	tgetent_sp(
 		const char *name)
 		{ return(*(int *)0); }
 
-#if 0
-
-#include <capdefaults.c>
-
-#endif
-
 #undef tgetent
 int	tgetent(
 		char	*bufp, 
@@ -872,35 +884,35 @@ int	tgetent(
 #undef tgetflag_sp
 int	tgetflag_sp(
 		SCREEN	*sp, 
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetflag
 int	tgetflag(
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetnum_sp
 int	tgetnum_sp(
 		SCREEN	*sp, 
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetnum
 int	tgetnum(
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetstr_sp
 char	*tgetstr_sp(
 		SCREEN	*sp, 
-		char	*id, 
+		const char *id, 
 		char	**area)
 		{ return(*(char **)0); }
 
 #undef tgetstr
 char	*tgetstr(
-		char	*id, 
+		const char *id, 
 		char	**area)
 		{ return(*(char **)0); }
 
@@ -929,34 +941,34 @@ char	*tgoto(
 #undef tigetflag_sp
 int	tigetflag_sp(
 		SCREEN	*sp, 
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetflag
 int	tigetflag(
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetnum_sp
 int	tigetnum_sp(
 		SCREEN	*sp, 
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetnum
 int	tigetnum(
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetstr_sp
 char	*tigetstr_sp(
 		SCREEN	*sp, 
-		char	*str)
+		const char *str)
 		{ return(*(char **)0); }
 
 #undef tigetstr
 char	*tigetstr(
-		char	*str)
+		const char *str)
 		{ return(*(char **)0); }
 
 /* ./tinfo/lib_tparm.c */
@@ -973,7 +985,7 @@ int	_nc_tparm_analyze(
 
 #undef tparm
 char	*tparm(
-		char	*string, 
+		const char *string, 
 		...)
 		{ return(*(char **)0); }
 
@@ -1150,9 +1162,9 @@ const char *_nc_retrace_cptr(
 		{ return(*(const char **)0); }
 
 #undef _nc_retrace_cvoid_ptr
-void	*_nc_retrace_cvoid_ptr(
-		void	*code)
-		{ return(*(void **)0); }
+const void *_nc_retrace_cvoid_ptr(
+		const void *code)
+		{ return(*(const void **)0); }
 
 #undef _nc_retrace_void_ptr
 void	*_nc_retrace_void_ptr(
@@ -1169,6 +1181,13 @@ WINDOW	*_nc_retrace_win(
 		WINDOW	*code)
 		{ return(*(WINDOW **)0); }
 
+#undef _nc_fmt_funcptr
+char	*_nc_fmt_funcptr(
+		char	*target, 
+		const char *source, 
+		size_t	size)
+		{ return(*(char **)0); }
+
 #undef _nc_use_tracef
 int	_nc_use_tracef(
 		unsigned mask)
@@ -1238,11 +1257,6 @@ char	*_tracecchar_t(
 
 /* ./trace/lib_tracebits.c */
 
-typedef struct {
-    unsigned int val;
-    const char *name;
-} BITNAMES;
-
 #undef _nc_trace_ttymode
 char	*_nc_trace_ttymode(
 		struct termios *tty)
@@ -1345,8 +1359,6 @@ int	resetty(void)
 
 /* ./tty/lib_twait.c */
 
-#include <sys/time.h>
-
 #undef _nc_timed_wait
 int	_nc_timed_wait(
 		SCREEN	*sp, 
@@ -1372,28 +1384,28 @@ int	_nc_name_match(
 /* ./names.c */
 
 #undef _nc_boolnames
-char	*const *_nc_boolnames(void)
-		{ return(*(char **)0); }
+const char *const *_nc_boolnames(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_boolfnames
-char	*const *_nc_boolfnames(void)
-		{ return(*(char **)0); }
+const char *const *_nc_boolfnames(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_numnames
-char	*const *_nc_numnames(void)
-		{ return(*(char **)0); }
+const char *const *_nc_numnames(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_numfnames
-char	*const *_nc_numfnames(void)
-		{ return(*(char **)0); }
+const char *const *_nc_numfnames(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_strnames
-char	*const *_nc_strnames(void)
-		{ return(*(char **)0); }
+const char *const *_nc_strnames(void)
+		{ return(*(const char **)0); }
 
 #undef _nc_strfnames
-char	*const *_nc_strfnames(void)
-		{ return(*(char **)0); }
+const char *const *_nc_strfnames(void)
+		{ return(*(const char **)0); }
 
 /* ./tinfo/obsolete.c */
 
@@ -1412,16 +1424,14 @@ void	_nc_set_buffer(
 
 /* ./tinfo/read_entry.c */
 
-#include <hashed_db.h>
-
 #undef _nc_init_termtype
 void	_nc_init_termtype(
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ /* void */ }
 
 #undef _nc_read_termtype
 int	_nc_read_termtype(
-		TERMTYPE *ptr, 
+		TERMTYPE2 *ptr, 
 		char	*buffer, 
 		int	limit)
 		{ return(*(int *)0); }
@@ -1429,7 +1439,14 @@ int	_nc_read_termtype(
 #undef _nc_read_file_entry
 int	_nc_read_file_entry(
 		const char *const filename, 
-		TERMTYPE *ptr)
+		TERMTYPE2 *ptr)
+		{ return(*(int *)0); }
+
+#undef _nc_read_entry2
+int	_nc_read_entry2(
+		const char *const name, 
+		char	*const filename, 
+		TERMTYPE2 *const tp)
 		{ return(*(int *)0); }
 
 #undef _nc_read_entry
@@ -1441,8 +1458,6 @@ int	_nc_read_entry(
 
 /* ./tinfo/read_termcap.c */
 
-#include <sys/types.h>
-
 #undef _nc_read_termcap
 void	_nc_read_termcap(void)
 		{ /* void */ }
@@ -1527,21 +1542,21 @@ int	_nc_remove_string(
 
 #undef _nc_trim_sgr0
 char	*_nc_trim_sgr0(
-		TERMTYPE *tp)
+		TERMTYPE2 *tp)
 		{ return(*(char **)0); }
 
 /* ./unctrl.c */
 
 #undef unctrl_sp
-char	*unctrl_sp(
+const char *unctrl_sp(
 		SCREEN	*sp, 
 		chtype	ch)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 #undef unctrl
-char	*unctrl(
+const char *unctrl(
 		chtype	ch)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 /* ./trace/visbuf.c */
 
diff --git a/ncurses/llib-ltinfow b/ncurses/llib-ltinfow
index f219698304bc..9142d8aee9e4 100644
--- a/ncurses/llib-ltinfow
+++ b/ncurses/llib-ltinfow
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2012,2013 Free Software Foundation, Inc.                   *
+ * Copyright (c) 2012-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -27,15 +27,13 @@
  ****************************************************************************/
 
 /****************************************************************************
- *  Author: Thomas E. Dickey 2012                                           *
+ *  Author: Thomas E. Dickey       2012-on                                  *
  ****************************************************************************/
 /* LINTLIBRARY */
 
 /* ./tinfo/access.c */
 
 #include <curses.priv.h>
-#include <ctype.h>
-#include <tic.h>
 
 #undef _nc_rootname
 char	*_nc_rootname(
@@ -90,8 +88,8 @@ int	_nc_add_to_try(
 
 #undef _nc_align_termtype
 void	_nc_align_termtype(
-		TERMTYPE *to, 
-		TERMTYPE *from)
+		TERMTYPE2 *to, 
+		TERMTYPE2 *from)
 		{ /* void */ }
 
 #undef _nc_copy_termtype
@@ -100,19 +98,29 @@ void	_nc_copy_termtype(
 		const TERMTYPE *src)
 		{ /* void */ }
 
+#undef _nc_copy_termtype2
+void	_nc_copy_termtype2(
+		TERMTYPE2 *dst, 
+		const TERMTYPE2 *src)
+		{ /* void */ }
+
+#undef _nc_export_termtype2
+void	_nc_export_termtype2(
+		TERMTYPE *dst, 
+		const TERMTYPE2 *src)
+		{ /* void */ }
+
 /* ./codes.c */
 
 #undef boolcodes
-char	*const boolcodes[] = {0};
+const char *const boolcodes[] = {0};
 #undef numcodes
-char	*const numcodes[] = {0};
+const char *const numcodes[] = {0};
 #undef strcodes
-char	*const strcodes[] = {0};
+const char *const strcodes[] = {0};
 
 /* ./comp_captab.c */
 
-#include <hashsize.h>
-
 #undef _nc_get_table
 const struct name_table_entry *_nc_get_table(
 		NCURSES_BOOL termcap)
@@ -194,9 +202,22 @@ struct name_table_entry const *_nc_find_type_entry(
 		NCURSES_BOOL termcap)
 		{ return(*(struct name_table_entry const **)0); }
 
-/* ./tinfo/db_iterator.c */
+#undef _nc_find_user_entry
+struct user_table_entry const *_nc_find_user_entry(
+		const char *string)
+		{ return(*(struct user_table_entry const **)0); }
 
-#include <time.h>
+/* ./comp_userdefs.c */
+
+#undef _nc_get_userdefs_table
+const struct user_table_entry *_nc_get_userdefs_table(void)
+		{ return(*(const struct user_table_entry **)0); }
+
+#undef _nc_get_hash_user
+const HashData *_nc_get_hash_user(void)
+		{ return(*(const HashData **)0); }
+
+/* ./tinfo/db_iterator.c */
 
 #undef _nc_tic_dir
 const char *_nc_tic_dir(
@@ -242,7 +263,7 @@ ENTRY	*_nc_tail;
 #undef _nc_free_entry
 void	_nc_free_entry(
 		ENTRY	*headp, 
-		TERMTYPE *tterm)
+		TERMTYPE2 *tterm)
 		{ /* void */ }
 
 #undef _nc_free_entries
@@ -250,18 +271,17 @@ void	_nc_free_entries(
 		ENTRY	*headp)
 		{ /* void */ }
 
-#undef _nc_delink_entry
-ENTRY	*_nc_delink_entry(
-		ENTRY	*headp, 
-		TERMTYPE *tterm)
-		{ return(*(ENTRY **)0); }
-
 #undef _nc_leaks_tinfo
 void	_nc_leaks_tinfo(void)
 		{ /* void */ }
 
 /* ./fallback.c */
 
+#undef _nc_fallback2
+const TERMTYPE2 *_nc_fallback2(
+		const char *name)
+		{ return(*(const TERMTYPE2 **)0); }
+
 #undef _nc_fallback
 const TERMTYPE *_nc_fallback(
 		const char *name)
@@ -274,6 +294,11 @@ void	_nc_free_termtype(
 		TERMTYPE *ptr)
 		{ /* void */ }
 
+#undef _nc_free_termtype2
+void	_nc_free_termtype2(
+		TERMTYPE2 *ptr)
+		{ /* void */ }
+
 #undef _nc_user_definable
 NCURSES_BOOL _nc_user_definable;
 
@@ -303,15 +328,6 @@ char	*_nc_home_terminfo(void)
 
 /* ./tinfo/init_keytry.c */
 
-#if 0
-
-#include <init_keytry.h>
-
-#undef _nc_tinfo_fkeys
-const struct tinfo_fkeys _nc_tinfo_fkeys[] = {0};
-
-#endif
-
 #undef _nc_init_keytry
 void	_nc_init_keytry(
 		SCREEN	*sp)
@@ -333,11 +349,9 @@ void	_nc_init_acs(void)
 
 /* ./tinfo/lib_baudrate.c */
 
-#include <termcap.h>
-
 struct speed {
-    int s; 
-    int sp; 
+    int given_speed; 
+    int actual_speed; 
 };
 
 #undef _nc_baudrate
@@ -462,26 +476,29 @@ int	flushinp(void)
 struct kn { short offset; int code; };
 
 #undef keyname_sp
-char	*keyname_sp(
+const char *keyname_sp(
 		SCREEN	*sp, 
 		int	c)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 #undef keyname
-char	*keyname(
+const char *keyname(
 		int	c)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 /* ./tinfo/lib_longname.c */
 
+#undef longname_sp
+char	*longname_sp(
+		SCREEN	*sp)
+		{ return(*(char **)0); }
+
 #undef longname
 char	*longname(void)
 		{ return(*(char **)0); }
 
 /* ./tinfo/lib_napms.c */
 
-#include <sys/time.h>
-
 #undef napms_sp
 int	napms_sp(
 		SCREEN	*sp, 
@@ -665,10 +682,6 @@ int	intrflush(
 
 /* ./tinfo/lib_setup.c */
 
-#include <locale.h>
-#include <sys/ioctl.h>
-#include <langinfo.h>
-
 #undef ttytype
 char	ttytype[256];
 #undef LINES
@@ -731,7 +744,7 @@ void	_nc_update_screensize(
 #undef _nc_setup_tinfo
 int	_nc_setup_tinfo(
 		const char *const tn, 
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ return(*(int *)0); }
 
 #undef _nc_tinfo_cmdch
@@ -755,7 +768,7 @@ int	_nc_locale_breaks_acs(
 
 #undef _nc_setupterm
 int	_nc_setupterm(
-		char	*tname, 
+		const char *tname, 
 		int	Filedes, 
 		int	*errret, 
 		int	reuse)
@@ -767,7 +780,7 @@ SCREEN	*new_prescr(void)
 
 #undef setupterm
 int	setupterm(
-		char	*tname, 
+		const char *tname, 
 		int	Filedes, 
 		int	*errret)
 		{ return(*(int *)0); }
@@ -786,12 +799,6 @@ int	tgetent_sp(
 		const char *name)
 		{ return(*(int *)0); }
 
-#if 0
-
-#include <capdefaults.c>
-
-#endif
-
 #undef tgetent
 int	tgetent(
 		char	*bufp, 
@@ -801,35 +808,35 @@ int	tgetent(
 #undef tgetflag_sp
 int	tgetflag_sp(
 		SCREEN	*sp, 
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetflag
 int	tgetflag(
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetnum_sp
 int	tgetnum_sp(
 		SCREEN	*sp, 
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetnum
 int	tgetnum(
-		char	*id)
+		const char *id)
 		{ return(*(int *)0); }
 
 #undef tgetstr_sp
 char	*tgetstr_sp(
 		SCREEN	*sp, 
-		char	*id, 
+		const char *id, 
 		char	**area)
 		{ return(*(char **)0); }
 
 #undef tgetstr
 char	*tgetstr(
-		char	*id, 
+		const char *id, 
 		char	**area)
 		{ return(*(char **)0); }
 
@@ -858,34 +865,34 @@ char	*tgoto(
 #undef tigetflag_sp
 int	tigetflag_sp(
 		SCREEN	*sp, 
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetflag
 int	tigetflag(
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetnum_sp
 int	tigetnum_sp(
 		SCREEN	*sp, 
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetnum
 int	tigetnum(
-		char	*str)
+		const char *str)
 		{ return(*(int *)0); }
 
 #undef tigetstr_sp
 char	*tigetstr_sp(
 		SCREEN	*sp, 
-		char	*str)
+		const char *str)
 		{ return(*(char **)0); }
 
 #undef tigetstr
 char	*tigetstr(
-		char	*str)
+		const char *str)
 		{ return(*(char **)0); }
 
 /* ./tinfo/lib_tparm.c */
@@ -902,7 +909,7 @@ int	_nc_tparm_analyze(
 
 #undef tparm
 char	*tparm(
-		char	*string, 
+		const char *string, 
 		...)
 		{ return(*(char **)0); }
 
@@ -1065,9 +1072,9 @@ const char *_nc_retrace_cptr(
 		{ return(*(const char **)0); }
 
 #undef _nc_retrace_cvoid_ptr
-void	*_nc_retrace_cvoid_ptr(
-		void	*code)
-		{ return(*(void **)0); }
+const void *_nc_retrace_cvoid_ptr(
+		const void *code)
+		{ return(*(const void **)0); }
 
 #undef _nc_retrace_void_ptr
 void	*_nc_retrace_void_ptr(
@@ -1084,6 +1091,13 @@ WINDOW	*_nc_retrace_win(
 		WINDOW	*code)
 		{ return(*(WINDOW **)0); }
 
+#undef _nc_fmt_funcptr
+char	*_nc_fmt_funcptr(
+		char	*target, 
+		const char *source, 
+		size_t	size)
+		{ return(*(char **)0); }
+
 /* ./trace/lib_traceatr.c */
 
 #undef _traceattr2
@@ -1142,11 +1156,6 @@ char	*_tracecchar_t(
 
 /* ./trace/lib_tracebits.c */
 
-typedef struct {
-    unsigned int val;
-    const char *name;
-} BITNAMES;
-
 #undef _nc_trace_ttymode
 char	*_nc_trace_ttymode(
 		struct termios *tty)
@@ -1274,17 +1283,17 @@ int	_nc_name_match(
 /* ./names.c */
 
 #undef boolnames
-char	*const boolnames[] = {0};
+const char *const boolnames[] = {0};
 #undef boolfnames
-char	*const boolfnames[] = {0};
+const char *const boolfnames[] = {0};
 #undef numnames
-char	*const numnames[] = {0};
+const char *const numnames[] = {0};
 #undef numfnames
-char	*const numfnames[] = {0};
+const char *const numfnames[] = {0};
 #undef strnames
-char	*const strnames[] = {0};
+const char *const strnames[] = {0};
 #undef strfnames
-char	*const strfnames[] = {0};
+const char *const strfnames[] = {0};
 
 /* ./tinfo/obsolete.c */
 
@@ -1303,16 +1312,14 @@ void	_nc_set_buffer(
 
 /* ./tinfo/read_entry.c */
 
-#include <hashed_db.h>
-
 #undef _nc_init_termtype
 void	_nc_init_termtype(
-		TERMTYPE *const tp)
+		TERMTYPE2 *const tp)
 		{ /* void */ }
 
 #undef _nc_read_termtype
 int	_nc_read_termtype(
-		TERMTYPE *ptr, 
+		TERMTYPE2 *ptr, 
 		char	*buffer, 
 		int	limit)
 		{ return(*(int *)0); }
@@ -1320,7 +1327,14 @@ int	_nc_read_termtype(
 #undef _nc_read_file_entry
 int	_nc_read_file_entry(
 		const char *const filename, 
-		TERMTYPE *ptr)
+		TERMTYPE2 *ptr)
+		{ return(*(int *)0); }
+
+#undef _nc_read_entry2
+int	_nc_read_entry2(
+		const char *const name, 
+		char	*const filename, 
+		TERMTYPE2 *const tp)
 		{ return(*(int *)0); }
 
 #undef _nc_read_entry
@@ -1332,8 +1346,6 @@ int	_nc_read_entry(
 
 /* ./tinfo/read_termcap.c */
 
-#include <sys/types.h>
-
 #undef _nc_read_termcap
 void	_nc_read_termcap(void)
 		{ /* void */ }
@@ -1418,21 +1430,21 @@ int	_nc_remove_string(
 
 #undef _nc_trim_sgr0
 char	*_nc_trim_sgr0(
-		TERMTYPE *tp)
+		TERMTYPE2 *tp)
 		{ return(*(char **)0); }
 
 /* ./unctrl.c */
 
 #undef unctrl_sp
-char	*unctrl_sp(
+const char *unctrl_sp(
 		SCREEN	*sp, 
 		chtype	ch)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 #undef unctrl
-char	*unctrl(
+const char *unctrl(
 		chtype	ch)
-		{ return(*(char **)0); }
+		{ return(*(const char **)0); }
 
 /* ./trace/visbuf.c */
 
diff --git a/ncurses/modules b/ncurses/modules
index b3b973210fc4..2772225e0a1b 100644
--- a/ncurses/modules
+++ b/ncurses/modules
@@ -1,6 +1,6 @@
-# $Id: modules,v 1.120 2013/01/26 22:17:55 tom Exp $
+# $Id: modules,v 1.123 2019/03/09 21:36:58 tom Exp $
 ##############################################################################
-# Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.                #
+# Copyright (c) 1998-2017,2019 Free Software Foundation, Inc.                #
 #                                                                            #
 # Permission is hereby granted, free of charge, to any person obtaining a    #
 # copy of this software and associated documentation files (the "Software"), #
@@ -44,7 +44,7 @@ lib_clear	lib		$(base)		$(HEADER_DEPS)
 lib_clearok	lib		$(base)		$(HEADER_DEPS)
 lib_clrbot	lib		$(base)		$(HEADER_DEPS)
 lib_clreol	lib		$(base)		$(HEADER_DEPS)
-lib_color	lib		$(base)		$(HEADER_DEPS)	$(INCDIR)/tic.h
+lib_color	lib		$(base)		$(HEADER_DEPS)	$(INCDIR)/tic.h	$(srcdir)/new_pair.h
 lib_colorset	lib		$(base)		$(HEADER_DEPS)
 lib_delch	lib		$(base)		$(HEADER_DEPS)
 lib_delwin	lib		$(base)		$(HEADER_DEPS)
@@ -125,7 +125,7 @@ lib_freeall	lib		$(base)		$(HEADER_DEPS)	$(INCDIR)/tic.h
 charable	lib		$(wide)		$(HEADER_DEPS)
 lib_add_wch	lib		$(wide)		$(HEADER_DEPS)
 lib_box_set	lib		$(wide)		$(HEADER_DEPS)
-lib_cchar	lib		$(wide)		$(HEADER_DEPS)
+lib_cchar	lib		$(wide)		$(HEADER_DEPS)	$(srcdir)/new_pair.h
 lib_erasewchar	lib		$(wide)		$(HEADER_DEPS)
 lib_get_wch	lib		$(wide)		$(HEADER_DEPS)
 lib_get_wstr	lib		$(wide)		$(HEADER_DEPS)
@@ -149,6 +149,7 @@ expanded	lib		.		$(HEADER_DEPS)
 legacy_coding	lib		$(base)		$(HEADER_DEPS)
 lib_dft_fgbg	lib		$(base)		$(HEADER_DEPS)
 lib_print	lib		$(tinfo)	$(HEADER_DEPS)
+new_pair	lib		$(base)		$(HEADER_DEPS)	$(srcdir)/new_pair.h
 resizeterm	lib		$(base)		$(HEADER_DEPS)
 trace_xnames	lib		$(trace)	$(HEADER_DEPS)
 use_screen	lib		$(tinfo)	$(HEADER_DEPS)
@@ -164,6 +165,7 @@ codes		lib		.		$(HEADER_DEPS)
 comp_captab	lib		.		$(HEADER_DEPS)	$(INCDIR)/tic.h ../include/hashsize.h
 comp_error	lib		$(tinfo)	$(HEADER_DEPS)	$(INCDIR)/tic.h
 comp_hash	lib		$(tinfo)	$(HEADER_DEPS)	$(INCDIR)/tic.h ../include/hashsize.h
+comp_userdefs	lib		.		$(HEADER_DEPS)	$(INCDIR)/tic.h ../include/hashsize.h
 db_iterator	lib		$(tinfo)	$(HEADER_DEPS)	$(INCDIR)/tic.h
 doalloc		lib		$(tinfo)	$(HEADER_DEPS)
 entries		lib		$(tinfo)	$(HEADER_DEPS)	$(INCDIR)/tic.h
diff --git a/ncurses/new_pair.h b/ncurses/new_pair.h
new file mode 100644
index 000000000000..49828d4a7725
--- /dev/null
+++ b/ncurses/new_pair.h
@@ -0,0 +1,130 @@
+/****************************************************************************
+ * Copyright (c) 2017,2018 Free Software Foundation, Inc.                   *
+ *                                                                          *
+ * Permission is hereby granted, free of charge, to any person obtaining a  *
+ * copy of this software and associated documentation files (the            *
+ * "Software"), to deal in the Software without restriction, including      *
+ * without limitation the rights to use, copy, modify, merge, publish,      *
+ * distribute, distribute with modifications, sublicense, and/or sell       *
+ * copies of the Software, and to permit persons to whom the Software is    *
+ * furnished to do so, subject to the following conditions:                 *
+ *                                                                          *
+ * The above copyright notice and this permission notice shall be included  *
+ * in all copies or substantial portions of the Software.                   *
+ *                                                                          *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
+ *                                                                          *
+ * Except as contained in this notice, the name(s) of the above copyright   *
+ * holders shall not be used in advertising or otherwise to promote the     *
+ * sale, use or other dealings in this Software without prior written       *
+ * authorization.                                                           *
+ ****************************************************************************/
+
+/****************************************************************************
+ *  Author: Thomas E. Dickey                                                *
+ ****************************************************************************/
+
+/*
+ * Common type definitions and macros for new_pair.c, lib_color.c
+ *
+ * $Id: new_pair.h,v 1.9 2018/03/01 15:02:12 tom Exp $
+ */
+
+#ifndef NEW_PAIR_H
+#define NEW_PAIR_H 1
+/* *INDENT-OFF* */
+
+#define LIMIT_TYPED(n,t) \
+	(t)(((n) > MAX_OF_TYPE(t)) \
+	    ? MAX_OF_TYPE(t) \
+	    : ((n) < -MAX_OF_TYPE(t)) \
+	       ? -MAX_OF_TYPE(t) \
+	       : (n))
+
+#define limit_COLOR(n) LIMIT_TYPED(n,NCURSES_COLOR_T)
+#define limit_PAIRS(n) LIMIT_TYPED(n,NCURSES_PAIRS_T)
+
+#define MAX_XCURSES_PAIR MAX_OF_TYPE(NCURSES_PAIRS_T)
+
+#if NCURSES_EXT_COLORS
+#define OPTIONAL_PAIR	GCC_UNUSED
+#define get_extended_pair(opts, color_pair) \
+	if ((opts) != NULL) { \
+	    *(int*)(opts) = color_pair; \
+	}
+#define set_extended_pair(opts, color_pair) \
+	if ((opts) != NULL) { \
+	    color_pair = *(const int*)(opts); \
+	}
+#else
+#define OPTIONAL_PAIR	/* nothing */
+#define get_extended_pair(opts, color_pair) /* nothing */
+#define set_extended_pair(opts, color_pair) \
+	if ((opts) != NULL) { \
+	    color_pair = -1; \
+	}
+#endif
+
+#ifdef NEW_PAIR_INTERNAL
+
+typedef enum {
+    cpKEEP = -1,		/* color pair 0 */
+    cpFREE = 0,			/* free for use */
+    cpINIT = 1,			/* init_pair() */
+    cpAUTO = 1			/* alloc_pair() */
+} CPMODE;
+
+typedef struct _color_pairs
+{
+    int fg;
+    int bg;
+#if NCURSES_EXT_COLORS
+    int mode;			/* tells if the entry is allocated or free */
+    int prev;			/* index of previous item */
+    int next;			/* index of next item */
+#endif
+}
+colorpair_t;
+
+#define MakeColorPair(target,f,b) target.fg = f, target.bg = b
+#define isSamePair(a,b)		((a).fg == (b).fg && (a).bg == (b).bg)
+#define FORE_OF(c)		(c).fg
+#define BACK_OF(c)		(c).bg
+
+/*
+ * Ensure that we use color pairs only when colors have been started, and also
+ * that the index is within the limits of the table which we allocated.
+ */
+#define ValidPair(sp,pair) \
+    ((sp != 0) && (pair >= 0) && (pair < sp->_pair_limit) && sp->_coloron)
+
+#if NCURSES_EXT_COLORS
+extern NCURSES_EXPORT(void)     _nc_copy_pairs(SCREEN*, colorpair_t*, colorpair_t*, int);
+extern NCURSES_EXPORT(void)     _nc_free_ordered_pairs(SCREEN*);
+extern NCURSES_EXPORT(void)     _nc_reset_color_pair(SCREEN*, int, colorpair_t*);
+extern NCURSES_EXPORT(void)     _nc_set_color_pair(SCREEN*, int, int);
+#else
+#define _nc_free_ordered_pairs(sp) /* nothing */
+#define _nc_reset_color_pair(sp, pair, data) /* nothing */
+#define _nc_set_color_pair(sp, pair, mode) /* nothing */
+#endif
+
+#else
+
+typedef struct _color_pairs colorpair_t;
+
+#endif /* NEW_PAIR_INTERNAL */
+
+#if NO_LEAKS
+extern NCURSES_EXPORT(void)     _nc_new_pair_leaks(SCREEN*);
+#endif
+
+/* *INDENT-ON* */
+
+#endif /* NEW_PAIR_H */
diff --git a/ncurses/report_offsets.c b/ncurses/report_offsets.c
new file mode 100644
index 000000000000..a0b5ba5e1860
--- /dev/null
+++ b/ncurses/report_offsets.c
@@ -0,0 +1,228 @@
+/****************************************************************************
+ * Copyright (c) 2017,2018 Free Software Foundation, Inc.                   *
+ *                                                                          *
+ * Permission is hereby granted, free of charge, to any person obtaining a  *
+ * copy of this software and associated documentation files (the            *
+ * "Software"), to deal in the Software without restriction, including      *
+ * without limitation the rights to use, copy, modify, merge, publish,      *
+ * distribute, distribute with modifications, sublicense, and/or sell       *
+ * copies of the Software, and to permit persons to whom the Software is    *
+ * furnished to do so, subject to the following conditions:                 *
+ *                                                                          *
+ * The above copyright notice and this permission notice shall be included  *
+ * in all copies or substantial portions of the Software.                   *
+ *                                                                          *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
+ *                                                                          *
+ * Except as contained in this notice, the name(s) of the above copyright   *
+ * holders shall not be used in advertising or otherwise to promote the     *
+ * sale, use or other dealings in this Software without prior written       *
+ * authorization.                                                           *
+ ****************************************************************************/
+
+/****************************************************************************
+ *  Author: Thomas E. Dickey                                                *
+ ****************************************************************************/
+
+#include <curses.priv.h>
+
+MODULE_ID("$Id: report_offsets.c,v 1.20 2018/07/07 19:25:40 tom Exp $")
+
+#define show_size(type) \
+	flag = 0; \
+	last = 0; \
+	printf("%5lu   " #type "\n", (unsigned long)sizeof(type))
+#define show_offset(type,member) \
+	next = (unsigned long)offsetof(type,member); \
+	if (last > next) \
+		printf("?? incorrect order for " #type "." #member "\n"); \
+	printf("%5lu %c " #type "." #member "\n", next, flag ? *flag : ' '); \
+	last = next; \
+	flag = 0
+
+#if NCURSES_WIDECHAR && NCURSES_EXT_COLORS
+#define show_COLORS(type,member) { flag = "c"; show_offset(type,member); }
+#else
+#define show_COLORS(type,member)	/* nothing */
+#endif
+
+#ifdef USE_TERM_DRIVER
+#define show_DRIVER(type,member) { flag = "d"; show_offset(type,member); }
+#else
+#define show_DRIVER(type,member)	/* nothing */
+#endif
+
+#if NO_LEAKS
+#define show_MLEAKS(type,member) { flag = "L"; show_offset(type,member); }
+#else
+#define show_MLEAKS(type,member)	/* nothing */
+#endif
+
+#ifdef USE_TERM_DRIVER
+#define show_NORMAL(type,member)	/* nothing */
+#else
+#define show_NORMAL(type,member) { flag = "n"; show_offset(type,member); }
+#endif
+
+#define show_OPTION(type,member) { flag = "+"; show_offset(type,member); }
+
+#if USE_REENTRANT
+#define show_REENTR(type,member) { flag = "r"; show_offset(type,member); }
+#else
+#define show_REENTR(type,member)	/* nothing */
+#endif
+
+#if NCURSES_SP_FUNCS
+#define show_SPFUNC(type,member) { flag = "s"; show_offset(type,member); }
+#else
+#define show_SPFUNC(type,member)	/* nothing */
+#endif
+
+#ifdef USE_PTHREADS
+#define show_THREAD(type,member) { flag = "t"; show_offset(type,member); }
+#else
+#define show_THREAD(type,member)	/* nothing */
+#endif
+
+#ifdef TRACE
+#define show_TRACES(type,member) { flag = "T"; show_offset(type,member); }
+#else
+#define show_TRACES(type,member)	/* nothing */
+#endif
+
+#if USE_WIDEC_SUPPORT
+#define show_WIDECH(type,member) { flag = "w"; show_offset(type,member); }
+#else
+#define show_WIDECH(type,member)	/* nothing */
+#endif
+
+int
+main(void)
+{
+    const char *flag = 0;
+    unsigned long last, next;
+
+    printf("Size/offsets of data structures:\n");
+
+    show_size(attr_t);
+    show_size(chtype);
+#if USE_WIDEC_SUPPORT
+    show_size(cchar_t);
+#endif
+    show_size(mmask_t);
+    show_size(MEVENT);
+    show_size(NCURSES_BOOL);
+
+    printf("\n");
+    show_size(SCREEN);
+    show_offset(SCREEN, _ifd);
+    show_offset(SCREEN, _fifo);
+    show_offset(SCREEN, _fifohead);
+    show_offset(SCREEN, _direct_color);
+    show_offset(SCREEN, _panelHook);
+    show_offset(SCREEN, jump);
+    show_offset(SCREEN, rsp);
+#if NCURSES_NO_PADDING
+    show_OPTION(SCREEN, _no_padding);
+#endif
+#if USE_HARD_TABS
+    show_OPTION(SCREEN, _ht_cost);
+#endif
+#if USE_ITALIC
+    show_OPTION(SCREEN, _use_ritm);
+#endif
+#if USE_KLIBC_KBD
+    show_OPTION(SCREEN, _extended_key);
+#endif
+#if NCURSES_EXT_FUNCS
+    show_OPTION(SCREEN, _assumed_color);
+#endif
+#if USE_GPM_SUPPORT
+    show_OPTION(SCREEN, _mouse_gpm_loaded);
+#ifdef HAVE_LIBDL
+    show_OPTION(SCREEN, _dlopen_gpm);
+#endif
+#endif
+#if USE_EMX_MOUSE
+    show_OPTION(SCREEN, _emxmouse_wfd);
+#endif
+#if USE_SYSMOUSE
+    show_OPTION(SCREEN, _sysmouse_fifo);
+#endif
+    show_DRIVER(SCREEN, _drv_mouse_fifo);
+#if USE_SIZECHANGE
+    show_OPTION(SCREEN, _resize);
+#endif
+    show_DRIVER(SCREEN, _windowlist);
+    show_REENTR(SCREEN, _ttytype);
+    show_SPFUNC(SCREEN, use_tioctl);
+    show_WIDECH(SCREEN, _screen_acs_fix);
+    show_COLORS(SCREEN, _ordered_pairs);
+    show_TRACES(SCREEN, tracechr_buf);
+
+    printf("\n");
+    show_size(TERMINAL);
+    show_offset(TERMINAL, type);
+    show_offset(TERMINAL, Filedes);
+    show_offset(TERMINAL, Ottyb);
+    show_offset(TERMINAL, Nttyb);
+    show_offset(TERMINAL, _baudrate);
+    show_offset(TERMINAL, _termname);
+#if HAVE_INIT_EXTENDED_COLOR
+    show_COLORS(TERMINAL, type2);
+#endif
+
+    printf("\n");
+    show_size(TERMTYPE);
+#if NCURSES_XNAMES
+    show_OPTION(TERMTYPE, ext_str_table);
+    show_OPTION(TERMTYPE, ext_Strings);
+#endif
+
+    printf("\n");
+    show_size(WINDOW);
+    show_WIDECH(WINDOW, _bkgrnd);
+    show_COLORS(WINDOW, _color);
+
+    printf("\n");
+    show_size(NCURSES_GLOBALS);
+    show_offset(NCURSES_GLOBALS, init_signals);
+    show_DRIVER(NCURSES_GLOBALS, term_driver);
+    show_NORMAL(NCURSES_GLOBALS, _nc_windowlist);
+#if USE_HOME_TERMINFO
+    show_OPTION(NCURSES_GLOBALS, home_terminfo);
+#endif
+#if !USE_SAFE_SPRINTF
+    show_OPTION(NCURSES_GLOBALS, safeprint_rows);
+#endif
+    show_THREAD(NCURSES_GLOBALS, mutex_curses);
+#if USE_PTHREADS_EINTR
+    show_THREAD(NCURSES_GLOBALS, read_thread);
+#endif
+    show_WIDECH(NCURSES_GLOBALS, key_name);
+    show_TRACES(NCURSES_GLOBALS, trace_opened);
+    show_MLEAKS(NCURSES_GLOBALS, leak_checking);
+
+    printf("\n");
+    show_size(NCURSES_PRESCREEN);
+    show_offset(NCURSES_PRESCREEN, saved_tty);
+    show_offset(NCURSES_PRESCREEN, use_tioctl);
+    show_offset(NCURSES_PRESCREEN, _outch);
+    show_NORMAL(NCURSES_PRESCREEN, rippedoff);
+#if NCURSES_NO_PADDING
+    show_OPTION(NCURSES_PRESCREEN, _no_padding);
+#endif
+#if BROKEN_LINKER
+    show_offset(NCURSES_PRESCREEN, real_acs_map);
+#else
+    show_REENTR(NCURSES_PRESCREEN, real_acs_map);
+#endif
+
+    return EXIT_SUCCESS;
+}
diff --git a/ncurses/tinfo/MKcaptab.sh b/ncurses/tinfo/MKcaptab.sh
index 20c94a639b9a..f1e989c637f0 100644
--- a/ncurses/tinfo/MKcaptab.sh
+++ b/ncurses/tinfo/MKcaptab.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 ##############################################################################
-# Copyright (c) 2007-2010,2011 Free Software Foundation, Inc.                #
+# Copyright (c) 2007-2011,2019 Free Software Foundation, Inc.                #
 #                                                                            #
 # Permission is hereby granted, free of charge, to any person obtaining a    #
 # copy of this software and associated documentation files (the "Software"), #
@@ -26,11 +26,28 @@
 # use or other dealings in this Software without prior written               #
 # authorization.                                                             #
 ##############################################################################
-# $Id: MKcaptab.sh,v 1.14 2011/10/22 16:34:50 tom Exp $
-AWK=${1-awk}
-OPT1=${2-0}
-OPT2=${3-tinfo/MKcaptab.awk}
-DATA=${4-../include/Caps}
+# $Id: MKcaptab.sh,v 1.15 2019/04/06 21:53:49 tom Exp $
+
+if test $# != 0
+then
+	AWK="$1"; shift 1
+else
+	AWK=awk
+fi
+
+if test $# != 0
+then
+	OPT1="$1"; shift 1
+else
+	OPT1="-0"
+fi
+
+if test $# != 0
+then
+	OPT2="$1"; shift 1
+else
+	OPT2="tinfo/MKcaptab.awk"
+fi
 
 cat <<EOF
 /*
@@ -52,12 +69,12 @@ cat <<'EOF'
 
 EOF
 
-./make_hash 1 info $OPT1 <$DATA
-./make_hash 3 cap  $OPT1 <$DATA
+cat "$@" |./make_hash 1 info $OPT1
+cat "$@" |./make_hash 3 cap  $OPT1
 
-$AWK -f $OPT2 bigstrings=$OPT1 tablename=capalias <$DATA
+cat "$@" |$AWK -f $OPT2 bigstrings=$OPT1 tablename=capalias
 
-$AWK -f $OPT2 bigstrings=$OPT1 tablename=infoalias <$DATA
+cat "$@" |$AWK -f $OPT2 bigstrings=$OPT1 tablename=infoalias
 
 cat <<EOF
 
diff --git a/ncurses/tinfo/MKcodes.awk b/ncurses/tinfo/MKcodes.awk
index 97e5131ba07c..f0dc7b303bf6 100644
--- a/ncurses/tinfo/MKcodes.awk
+++ b/ncurses/tinfo/MKcodes.awk
@@ -1,5 +1,5 @@
 ##############################################################################
-# Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.                #
+# Copyright (c) 1998-2010,2019 Free Software Foundation, Inc.                #
 #                                                                            #
 # Permission is hereby granted, free of charge, to any person obtaining a    #
 # copy of this software and associated documentation files (the "Software"), #
@@ -25,7 +25,7 @@
 # use or other dealings in this Software without prior written               #
 # authorization.                                                             #
 ##############################################################################
-# $Id: MKcodes.awk,v 1.9 2010/01/23 17:57:43 tom Exp $
+# $Id: MKcodes.awk,v 1.10 2019/03/09 16:43:37 tom Exp $
 function large_item(value) {
 	result = sprintf("%d,", offset);
 	offset = offset + length(value) + 1;
@@ -79,7 +79,9 @@ BEGIN	{
 	}
 
 $1 ~ /^#/		{next;}
+$1 ~ /^(cap|info)alias/	{next;}
 
+$1 == "userdef"		{next;}
 $1 == "SKIPWARN"	{next;}
 
 $3 == "bool"	{
diff --git a/ncurses/tinfo/MKfallback.sh b/ncurses/tinfo/MKfallback.sh
index 11f1d2ead138..33b973eee88e 100755
--- a/ncurses/tinfo/MKfallback.sh
+++ b/ncurses/tinfo/MKfallback.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 ##############################################################################
-# Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.                #
+# Copyright (c) 1998-2017,2019 Free Software Foundation, Inc.                #
 #                                                                            #
 # Permission is hereby granted, free of charge, to any person obtaining a    #
 # copy of this software and associated documentation files (the "Software"), #
@@ -26,7 +26,7 @@
 # use or other dealings in this Software without prior written               #
 # authorization.                                                             #
 ##############################################################################
-# $Id: MKfallback.sh,v 1.15 2010/08/07 20:32:34 tom Exp $
+# $Id: MKfallback.sh,v 1.22 2019/06/30 10:44:15 tom Exp $
 #
 # MKfallback.sh -- create fallback table for entry reads
 #
@@ -45,6 +45,9 @@ shift
 tic_path=$1
 shift
 
+infocmp_path=$1
+shift
+
 case $tic_path in #(vi
 /*)
 	tic_head=`echo "$tic_path" | sed -e 's,/[^/]*$,,'`
@@ -69,8 +72,10 @@ else
 fi
 
 cat <<EOF
+/* This file was generated by $0 */
+
 /*
- * DO NOT EDIT THIS FILE BY HAND!  It is generated by MKfallback.sh.
+ * DO NOT EDIT THIS FILE BY HAND!
  */
 
 #include <curses.priv.h>
@@ -87,18 +92,18 @@ EOF
 	for x in $*
 	do
 		echo "/* $x */"
-		infocmp -E $x
+		$infocmp_path -E $x | sed -e 's/\<short\>/NCURSES_INT2/g'
 	done
 
 	cat <<EOF
-static const TERMTYPE fallbacks[$#] =
+static const TERMTYPE2 fallbacks[$#] =
 {
 EOF
 	comma=""
 	for x in $*
 	do
 		echo "$comma /* $x */"
-		infocmp -e $x
+		$infocmp_path -e $x
 		comma=","
 	done
 
@@ -109,28 +114,51 @@ EOF
 fi
 
 cat <<EOF
-NCURSES_EXPORT(const TERMTYPE *) _nc_fallback (const char *name GCC_UNUSED)
+NCURSES_EXPORT(const TERMTYPE2 *)
+_nc_fallback2 (const char *name GCC_UNUSED)
 {
 EOF
 
 if [ "$*" ]
 then
 	cat <<EOF
-    const TERMTYPE	*tp;
+    const TERMTYPE2	*tp;
 
     for (tp = fallbacks;
-	 	tp < fallbacks + sizeof(fallbacks)/sizeof(TERMTYPE);
-	 	tp++)
-	if (_nc_name_match(tp->term_names, name, "|"))
+	 tp < fallbacks + sizeof(fallbacks)/sizeof(TERMTYPE2);
+	 tp++) {
+	if (_nc_name_match(tp->term_names, name, "|")) {
 	    return(tp);
+	}
+    }
 EOF
 else
 	echo "	/* the fallback list is empty */";
 fi
 
 cat <<EOF
-	return((TERMTYPE *)0);
+    return((const TERMTYPE2 *)0);
+}
+
+#if NCURSES_EXT_NUMBERS
+#undef _nc_fallback
+
+/*
+ * This entrypoint is used by tack.
+ */
+NCURSES_EXPORT(const TERMTYPE *)
+_nc_fallback (const char *name)
+{
+    const TERMTYPE2 *tp = _nc_fallback2(name);
+    const TERMTYPE *result = 0;
+    if (tp != 0) {
+	static TERMTYPE temp;
+	_nc_export_termtype2(&temp, tp);
+	result = &temp;
+    }
+    return result;
 }
+#endif
 EOF
 
 if test -n "$tmp_info" ; then
diff --git a/ncurses/tinfo/MKkeys_list.sh b/ncurses/tinfo/MKkeys_list.sh
index 14017b016896..158e34d25538 100755
--- a/ncurses/tinfo/MKkeys_list.sh
+++ b/ncurses/tinfo/MKkeys_list.sh
@@ -1,7 +1,7 @@
 #! /bin/sh
-# $Id: MKkeys_list.sh,v 1.4 2003/10/25 16:19:54 tom Exp $
+# $Id: MKkeys_list.sh,v 1.6 2019/03/02 22:47:33 tom Exp $
 ##############################################################################
-# Copyright (c) 2001,2003 Free Software Foundation, Inc.                     #
+# Copyright (c) 2001-2017,2019 Free Software Foundation, Inc.                #
 #                                                                            #
 # Permission is hereby granted, free of charge, to any person obtaining a    #
 # copy of this software and associated documentation files (the "Software"), #
@@ -35,11 +35,16 @@
 # Extract function-key names from the Caps file
 #
 : ${AWK-awk}
-DATA=${1-../../include/Caps}
+if test $# != 0
+then
+	DATA="$*"
+else
+	DATA=../../include/Caps
+fi
 
 data=data$$
-trap 'rm -f $data' 0 1 2 5 15
-sed -e 's/[	][	]*/	/g' < $DATA >$data
+trap 'rm -f $data' EXIT INT QUIT TERM HUP
+cat $DATA | sed -e 's/[	][	]*/	/g' >$data
 
 cat <<EOF
 # These definitions were generated by $0 $DATA
@@ -53,6 +58,7 @@ ${AWK-awk} <$data '
 /^#/		{next;}
 /^capalias/	{next;}
 /^infoalias/	{next;}
+/^userdef/	{next;}
 
 $5 != "-" {
 		if (substr($5, 1, 4) == "KEY_" ) {
diff --git a/ncurses/tinfo/MKnames.awk b/ncurses/tinfo/MKnames.awk
index 7685d1831ef0..b8dd4b93c624 100644
--- a/ncurses/tinfo/MKnames.awk
+++ b/ncurses/tinfo/MKnames.awk
@@ -1,5 +1,5 @@
 ##############################################################################
-# Copyright (c) 2007-2008,2009 Free Software Foundation, Inc.                #
+# Copyright (c) 2007-2009,2019 Free Software Foundation, Inc.                #
 #                                                                            #
 # Permission is hereby granted, free of charge, to any person obtaining a    #
 # copy of this software and associated documentation files (the "Software"), #
@@ -25,7 +25,7 @@
 # use or other dealings in this Software without prior written               #
 # authorization.                                                             #
 ##############################################################################
-# $Id: MKnames.awk,v 1.22 2009/03/21 21:03:39 tom Exp $
+# $Id: MKnames.awk,v 1.23 2019/03/09 16:49:06 tom Exp $
 function large_item(value) {
 	result = sprintf("%d,", offset);
 	offset = offset + length(value) + 1;
@@ -79,7 +79,9 @@ BEGIN	{
 	}
 
 $1 ~ /^#/		{next;}
+$1 ~ /^(cap|info)alias/	{next;}
 
+$1 == "userdef"		{next;}
 $1 == "SKIPWARN"	{next;}
 
 $3 == "bool"	{
diff --git a/ncurses/tinfo/MKuserdefs.sh b/ncurses/tinfo/MKuserdefs.sh
new file mode 100755
index 000000000000..7bd7369ffef8
--- /dev/null
+++ b/ncurses/tinfo/MKuserdefs.sh
@@ -0,0 +1,146 @@
+#!/bin/sh
+##############################################################################
+# Copyright (c) 2019 Free Software Foundation, Inc.                          #
+#                                                                            #
+# Permission is hereby granted, free of charge, to any person obtaining a    #
+# copy of this software and associated documentation files (the "Software"), #
+# to deal in the Software without restriction, including without limitation  #
+# the rights to use, copy, modify, merge, publish, distribute, distribute    #
+# with modifications, sublicense, and/or sell copies of the Software, and to #
+# permit persons to whom the Software is furnished to do so, subject to the  #
+# following conditions:                                                      #
+#                                                                            #
+# The above copyright notice and this permission notice shall be included in #
+# all copies or substantial portions of the Software.                        #
+#                                                                            #
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR #
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,   #
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL    #
+# THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER      #
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING    #
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER        #
+# DEALINGS IN THE SOFTWARE.                                                  #
+#                                                                            #
+# Except as contained in this notice, the name(s) of the above copyright     #
+# holders shall not be used in advertising or otherwise to promote the sale, #
+# use or other dealings in this Software without prior written               #
+# authorization.                                                             #
+##############################################################################
+# $Id: MKuserdefs.sh,v 1.9 2019/07/28 19:12:18 tom Exp $
+AWK=${1-awk}; shift 1
+OPT1=${1-0}; shift 1
+
+cat <<EOF
+/*
+ * generated by $0
+ */
+
+EOF
+
+cat <<'EOF'
+/*
+ *    comp_userdefs.c -- The names of widely used user-defined capabilities
+ *                       indexed via a hash table for the compiler.
+ *
+ */
+
+#include <curses.priv.h>
+#include <tic.h>
+#include <hashsize.h>
+
+#if NCURSES_XNAMES
+EOF
+
+cat "$@" | ./make_hash 1 user $OPT1
+
+cat <<EOF
+
+#define USERTABSIZE SIZEOF(user_names_data)
+
+#if $OPT1
+static void
+next_string(const char *strings, unsigned *offset)
+{
+    *offset += (unsigned) strlen(strings + *offset) + 1;
+}
+
+static const struct user_table_entry *
+_nc_build_names(struct user_table_entry **actual,
+		const user_table_data *source,
+		const char *strings)
+{
+    if (*actual == 0) {
+	*actual = typeCalloc(struct user_table_entry, USERTABSIZE);
+	if (*actual != 0) {
+	    unsigned n;
+	    unsigned len = 0;
+	    for (n = 0; n < USERTABSIZE; ++n) {
+		(*actual)[n].ute_name = strings + len;
+		(*actual)[n].ute_type = (int) source[n].ute_type;
+		(*actual)[n].ute_argc = source[n].ute_argc;
+		(*actual)[n].ute_args = source[n].ute_args;
+		(*actual)[n].ute_index = source[n].ute_index;
+		(*actual)[n].ute_link = source[n].ute_link;
+		next_string(strings, &len);
+	    }
+	}
+    }
+    return *actual;
+}
+
+#define build_names(root) _nc_build_names(&_nc_##root##_table, \\
+					  root##_names_data, \\
+					  root##_names_text)
+#else
+#define build_names(root) _nc_ ## root ## _table
+#endif
+
+NCURSES_EXPORT(const struct user_table_entry *) _nc_get_userdefs_table (void)
+{
+    return build_names(user) ;
+}
+
+static HashValue
+info_hash(const char *string)
+{
+    long sum = 0;
+
+    DEBUG(9, ("hashing %s", string));
+    while (*string) {
+	sum += (long) (*string + (*(string + 1) << 8));
+	string++;
+    }
+
+    DEBUG(9, ("sum is %ld", sum));
+    return (HashValue) (sum % HASHTABSIZE);
+}
+
+static int
+compare_info_names(const char *a, const char *b)
+{
+    return !strcmp(a, b);
+}
+
+static const HashData hash_data[] = {
+    { HASHTABSIZE, _nc_user_hash_table, info_hash, compare_info_names }
+};
+
+NCURSES_EXPORT(const HashData *) _nc_get_hash_user (void)
+{
+    return hash_data;
+}
+
+#if NO_LEAKS
+NCURSES_EXPORT(void) _nc_comp_userdefs_leaks(void)
+{
+#if $OPT1
+    FreeIfNeeded(_nc_user_table);
+#endif
+}
+#endif /* NO_LEAKS */
+
+#else /*! NCURSES_XNAMES */
+NCURSES_EXPORT(void) _nc_comp_userdefs(void);
+NCURSES_EXPORT(void) _nc_comp_userdefs(void) { }
+#endif /* NCURSES_XNAMES */
+EOF
diff --git a/ncurses/tinfo/access.c b/ncurses/tinfo/access.c
index d9876875382d..e086bd0c6695 100644
--- a/ncurses/tinfo/access.c
+++ b/ncurses/tinfo/access.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2012,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -36,15 +36,7 @@
 
 #include <tic.h>
 
-MODULE_ID("$Id: access.c,v 1.23 2012/09/01 19:21:29 tom Exp $")
-
-#ifdef __TANDEM
-#define ROOT_UID 65535
-#endif
-
-#ifndef ROOT_UID
-#define ROOT_UID 0
-#endif
+MODULE_ID("$Id: access.c,v 1.24 2019/01/19 15:38:07 tom Exp $")
 
 #define LOWERCASE(c) ((isalpha(UChar(c)) && isupper(UChar(c))) ? tolower(UChar(c)) : (c))
 
diff --git a/ncurses/tinfo/add_tries.c b/ncurses/tinfo/add_tries.c
index 29a1a60045b5..f9a4cce680a2 100644
--- a/ncurses/tinfo/add_tries.c
+++ b/ncurses/tinfo/add_tries.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2010,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -39,7 +39,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: add_tries.c,v 1.10 2010/12/19 01:31:14 tom Exp $")
+MODULE_ID("$Id: add_tries.c,v 1.11 2019/07/27 22:59:11 tom Exp $")
 
 #define SET_TRY(dst,src) if ((dst->ch = *src++) == 128) dst->ch = '\0'
 #define CMP_TRY(a,b) ((a)? (a == b) : (b == 128))
@@ -109,6 +109,7 @@ _nc_add_to_try(TRIES ** tree, const char *str, unsigned code)
 		savedptr = ptr->child;
 		free(ptr);
 	    }
+	    *tree = NULL;
 	    returnCode(ERR);
 	}
 
diff --git a/ncurses/tinfo/alloc_entry.c b/ncurses/tinfo/alloc_entry.c
index 14ea39118837..5fd33e76ee8d 100644
--- a/ncurses/tinfo/alloc_entry.c
+++ b/ncurses/tinfo/alloc_entry.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -47,7 +47,7 @@
 
 #include <tic.h>
 
-MODULE_ID("$Id: alloc_entry.c,v 1.58 2013/08/17 19:20:38 tom Exp $")
+MODULE_ID("$Id: alloc_entry.c,v 1.63 2019/06/08 14:29:28 tom Exp $")
 
 #define ABSENT_OFFSET    -1
 #define CANCELLED_OFFSET -2
@@ -58,7 +58,7 @@ static char *stringbuf;		/* buffer for string capabilities */
 static size_t next_free;	/* next free character in stringbuf */
 
 NCURSES_EXPORT(void)
-_nc_init_entry(TERMTYPE *const tp)
+_nc_init_entry(ENTRY * const tp)
 /* initialize a terminal type data block */
 {
 #if NO_LEAKS
@@ -75,7 +75,7 @@ _nc_init_entry(TERMTYPE *const tp)
 
     next_free = 0;
 
-    _nc_init_termtype(tp);
+    _nc_init_termtype(&(tp->tterm));
 }
 
 NCURSES_EXPORT(ENTRY *)
@@ -85,7 +85,7 @@ _nc_copy_entry(ENTRY * oldp)
 
     if (newp != 0) {
 	*newp = *oldp;
-	_nc_copy_termtype(&(newp->tterm), &(oldp->tterm));
+	_nc_copy_termtype2(&(newp->tterm), &(oldp->tterm));
     }
     return newp;
 }
@@ -96,7 +96,11 @@ _nc_save_str(const char *const string)
 {
     char *result = 0;
     size_t old_next_free = next_free;
-    size_t len = strlen(string) + 1;
+    size_t len;
+
+    if (!VALID_STRING(string))
+	return _nc_save_str("");
+    len = strlen(string) + 1;
 
     if (len == 1 && next_free != 0) {
 	/*
@@ -126,7 +130,7 @@ _nc_wrap_entry(ENTRY * const ep, bool copy_strings)
     int useoffsets[MAX_USES];
     unsigned i, n;
     unsigned nuses = ep->nuses;
-    TERMTYPE *tp = &(ep->tterm);
+    TERMTYPE2 *tp = &(ep->tterm);
 
     if (copy_strings) {
 	next_free = 0;		/* clear static storage */
@@ -218,12 +222,22 @@ _nc_wrap_entry(ENTRY * const ep, bool copy_strings)
 }
 
 NCURSES_EXPORT(void)
-_nc_merge_entry(TERMTYPE *const to, TERMTYPE *const from)
+_nc_merge_entry(ENTRY * const target, ENTRY * const source)
 /* merge capabilities from `from' entry into `to' entry */
 {
+    TERMTYPE2 *to = &(target->tterm);
+    TERMTYPE2 *from = &(source->tterm);
+#if NCURSES_XNAMES
+    TERMTYPE2 copy;
+#endif
     unsigned i;
 
+    if (source == 0 || from == 0 || target == 0 || to == 0)
+	return;
+
 #if NCURSES_XNAMES
+    _nc_copy_termtype2(&copy, from);
+    from = &copy;
     _nc_align_termtype(to, from);
 #endif
     for_each_boolean(i, from) {
@@ -233,18 +247,18 @@ _nc_merge_entry(TERMTYPE *const to, TERMTYPE *const from)
 	    if (mergebool == CANCELLED_BOOLEAN)
 		to->Booleans[i] = FALSE;
 	    else if (mergebool == TRUE)
-		to->Booleans[i] = (char) mergebool;
+		to->Booleans[i] = (NCURSES_SBOOL) mergebool;
 	}
     }
 
     for_each_number(i, from) {
 	if (to->Numbers[i] != CANCELLED_NUMERIC) {
-	    short mergenum = from->Numbers[i];
+	    int mergenum = from->Numbers[i];
 
 	    if (mergenum == CANCELLED_NUMERIC)
 		to->Numbers[i] = ABSENT_NUMERIC;
 	    else if (mergenum != ABSENT_NUMERIC)
-		to->Numbers[i] = mergenum;
+		to->Numbers[i] = (NCURSES_INT2) mergenum;
 	}
     }
 
@@ -263,6 +277,16 @@ _nc_merge_entry(TERMTYPE *const to, TERMTYPE *const from)
 		to->Strings[i] = mergestring;
 	}
     }
+#if NCURSES_XNAMES
+    /* Discard the data allocated in _nc_copy_termtype2, but do not use
+     * _nc_free_termtype2 because that frees the string-table (which is
+     * not allocated by _nc_copy_termtype2).
+     */
+    free(copy.Booleans);
+    free(copy.Numbers);
+    free(copy.Strings);
+    free(copy.ext_Names);
+#endif
 }
 
 #if NO_LEAKS
diff --git a/ncurses/tinfo/alloc_ttype.c b/ncurses/tinfo/alloc_ttype.c
index 35c92dd8c2b9..49169a13ee3f 100644
--- a/ncurses/tinfo/alloc_ttype.c
+++ b/ncurses/tinfo/alloc_ttype.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1999-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1999-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -42,7 +42,7 @@
 
 #include <tic.h>
 
-MODULE_ID("$Id: alloc_ttype.c,v 1.27 2013/06/08 16:54:50 tom Exp $")
+MODULE_ID("$Id: alloc_ttype.c,v 1.31 2019/04/27 23:28:31 tom Exp $")
 
 #if NCURSES_XNAMES
 /*
@@ -61,7 +61,7 @@ merge_names(char **dst, char **a, int na, char **b, int nb)
 	} else if (cmp > 0) {
 	    dst[n++] = *b++;
 	    nb--;
-	} else if (cmp == 0) {
+	} else {
 	    dst[n++] = *a;
 	    a++, b++;
 	    na--, nb--;
@@ -78,37 +78,59 @@ merge_names(char **dst, char **a, int na, char **b, int nb)
 }
 
 static bool
-find_name(char **table, int length, char *name)
+find_name(char **table, int item, int length, const char *name)
 {
-    while (length-- > 0) {
-	if (!strcmp(*table++, name)) {
-	    DEBUG(4, ("found name '%s'", name));
-	    return TRUE;
+    int n;
+    int result = -1;
+
+    for (n = item; n < length; ++n) {
+	if (!strcmp(table[n], name)) {
+	    DEBUG(4, ("found name '%s' @%d", name, n));
+	    result = n;
+	    break;
 	}
     }
-    DEBUG(4, ("did not find name '%s'", name));
-    return FALSE;
+    if (result < 0) {
+	DEBUG(4, ("did not find name '%s'", name));
+    }
+    return (result >= 0);
 }
 
 #define EXTEND_NUM(num, ext) \
+	DEBUG(4, ("extending " #num " from %d to %d", \
+	 to->num, (unsigned short) (to->num + (ext - to->ext)))); \
 	to->num = (unsigned short) (to->num + (ext - to->ext))
 
 static void
-realign_data(TERMTYPE *to, char **ext_Names,
+realign_data(TERMTYPE2 *to, char **ext_Names,
 	     int ext_Booleans,
 	     int ext_Numbers,
 	     int ext_Strings)
 {
     int n, m, base;
-    int limit = (to->ext_Booleans + to->ext_Numbers + to->ext_Strings);
+    int to_Booleans = to->ext_Booleans;
+    int to_Numbers = to->ext_Numbers;
+    int to_Strings = to->ext_Strings;
+    int to1, to2, from;
+
+    DEBUG(4, ("realign_data %d/%d/%d vs %d/%d/%d",
+	      ext_Booleans,
+	      ext_Numbers,
+	      ext_Strings,
+	      to->ext_Booleans,
+	      to->ext_Numbers,
+	      to->ext_Strings));
 
     if (to->ext_Booleans != ext_Booleans) {
+	to1 = 0;
+	to2 = to_Booleans + to1;
+	from = 0;
 	EXTEND_NUM(num_Booleans, ext_Booleans);
 	TYPE_REALLOC(NCURSES_SBOOL, to->num_Booleans, to->Booleans);
 	for (n = to->ext_Booleans - 1,
 	     m = ext_Booleans - 1,
 	     base = to->num_Booleans - (m + 1); m >= 0; m--) {
-	    if (find_name(to->ext_Names, limit, ext_Names[m])) {
+	    if (find_name(to->ext_Names, to1, to2, ext_Names[m + from])) {
 		to->Booleans[base + m] = to->Booleans[base + n--];
 	    } else {
 		to->Booleans[base + m] = FALSE;
@@ -118,12 +140,15 @@ realign_data(TERMTYPE *to, char **ext_Names,
     }
 
     if (to->ext_Numbers != ext_Numbers) {
+	to1 = to_Booleans;
+	to2 = to_Numbers + to1;
+	from = ext_Booleans;
 	EXTEND_NUM(num_Numbers, ext_Numbers);
-	TYPE_REALLOC(short, to->num_Numbers, to->Numbers);
+	TYPE_REALLOC(NCURSES_INT2, to->num_Numbers, to->Numbers);
 	for (n = to->ext_Numbers - 1,
 	     m = ext_Numbers - 1,
 	     base = to->num_Numbers - (m + 1); m >= 0; m--) {
-	    if (find_name(to->ext_Names, limit, ext_Names[m + ext_Booleans])) {
+	    if (find_name(to->ext_Names, to1, to2, ext_Names[m + from])) {
 		to->Numbers[base + m] = to->Numbers[base + n--];
 	    } else {
 		to->Numbers[base + m] = ABSENT_NUMERIC;
@@ -131,13 +156,17 @@ realign_data(TERMTYPE *to, char **ext_Names,
 	}
 	to->ext_Numbers = UShort(ext_Numbers);
     }
+
     if (to->ext_Strings != ext_Strings) {
+	to1 = to_Booleans + to_Numbers;
+	to2 = to_Strings + to1;
+	from = ext_Booleans + ext_Numbers;
 	EXTEND_NUM(num_Strings, ext_Strings);
 	TYPE_REALLOC(char *, to->num_Strings, to->Strings);
 	for (n = to->ext_Strings - 1,
 	     m = ext_Strings - 1,
 	     base = to->num_Strings - (m + 1); m >= 0; m--) {
-	    if (find_name(to->ext_Names, limit, ext_Names[m + ext_Booleans + ext_Numbers])) {
+	    if (find_name(to->ext_Names, to1, to2, ext_Names[m + from])) {
 		to->Strings[base + m] = to->Strings[base + n--];
 	    } else {
 		to->Strings[base + m] = ABSENT_STRING;
@@ -151,7 +180,7 @@ realign_data(TERMTYPE *to, char **ext_Names,
  * Returns the first index in ext_Names[] for the given token-type
  */
 static unsigned
-_nc_first_ext_name(TERMTYPE *tp, int token_type)
+_nc_first_ext_name(TERMTYPE2 *tp, int token_type)
 {
     unsigned first;
 
@@ -176,7 +205,7 @@ _nc_first_ext_name(TERMTYPE *tp, int token_type)
  * Returns the last index in ext_Names[] for the given token-type
  */
 static unsigned
-_nc_last_ext_name(TERMTYPE *tp, int token_type)
+_nc_last_ext_name(TERMTYPE2 *tp, int token_type)
 {
     unsigned last;
 
@@ -199,7 +228,7 @@ _nc_last_ext_name(TERMTYPE *tp, int token_type)
  * Lookup an entry from extended-names, returning -1 if not found
  */
 static int
-_nc_find_ext_name(TERMTYPE *tp, char *name, int token_type)
+_nc_find_ext_name(TERMTYPE2 *tp, char *name, int token_type)
 {
     unsigned j;
     unsigned first = _nc_first_ext_name(tp, token_type);
@@ -218,7 +247,7 @@ _nc_find_ext_name(TERMTYPE *tp, char *name, int token_type)
  * (e.g., Booleans[]).
  */
 static int
-_nc_ext_data_index(TERMTYPE *tp, int n, int token_type)
+_nc_ext_data_index(TERMTYPE2 *tp, int n, int token_type)
 {
     switch (token_type) {
     case BOOLEAN:
@@ -241,13 +270,14 @@ _nc_ext_data_index(TERMTYPE *tp, int n, int token_type)
  * data.
  */
 static bool
-_nc_del_ext_name(TERMTYPE *tp, char *name, int token_type)
+_nc_del_ext_name(TERMTYPE2 *tp, char *name, int token_type)
 {
-    int j;
-    int first, last;
+    int first;
 
     if ((first = _nc_find_ext_name(tp, name, token_type)) >= 0) {
-	last = (int) NUM_EXT_NAMES(tp) - 1;
+	int j;
+	int last = (int) NUM_EXT_NAMES(tp) - 1;
+
 	for (j = first; j < last; j++) {
 	    tp->ext_Names[j] = tp->ext_Names[j + 1];
 	}
@@ -285,7 +315,7 @@ _nc_del_ext_name(TERMTYPE *tp, char *name, int token_type)
  * index into the corresponding data array is returned.
  */
 static int
-_nc_ins_ext_name(TERMTYPE *tp, char *name, int token_type)
+_nc_ins_ext_name(TERMTYPE2 *tp, char *name, int token_type)
 {
     unsigned first = _nc_first_ext_name(tp, token_type);
     unsigned last = _nc_last_ext_name(tp, token_type);
@@ -319,7 +349,7 @@ _nc_ins_ext_name(TERMTYPE *tp, char *name, int token_type)
     case NUMBER:
 	tp->ext_Numbers++;
 	tp->num_Numbers++;
-	TYPE_REALLOC(short, tp->num_Numbers, tp->Numbers);
+	TYPE_REALLOC(NCURSES_INT2, tp->num_Numbers, tp->Numbers);
 	for (k = (unsigned) (tp->num_Numbers - 1); k > j; k--)
 	    tp->Numbers[k] = tp->Numbers[k - 1];
 	break;
@@ -340,7 +370,7 @@ _nc_ins_ext_name(TERMTYPE *tp, char *name, int token_type)
  * cancellation of a name that is inherited from another entry.
  */
 static void
-adjust_cancels(TERMTYPE *to, TERMTYPE *from)
+adjust_cancels(TERMTYPE2 *to, TERMTYPE2 *from)
 {
     int first = to->ext_Booleans + to->ext_Numbers;
     int last = first + to->ext_Strings;
@@ -385,24 +415,30 @@ adjust_cancels(TERMTYPE *to, TERMTYPE *from)
 }
 
 NCURSES_EXPORT(void)
-_nc_align_termtype(TERMTYPE *to, TERMTYPE *from)
+_nc_align_termtype(TERMTYPE2 *to, TERMTYPE2 *from)
 {
-    int na = (int) NUM_EXT_NAMES(to);
-    int nb = (int) NUM_EXT_NAMES(from);
-    int n;
-    bool same;
+    int na;
+    int nb;
     char **ext_Names;
-    int ext_Booleans, ext_Numbers, ext_Strings;
-    bool used_ext_Names = FALSE;
 
-    DEBUG(2, ("align_termtype to(%d:%s), from(%d:%s)", na, to->term_names,
-	      nb, from->term_names));
+    na = to ? ((int) NUM_EXT_NAMES(to)) : 0;
+    nb = from ? ((int) NUM_EXT_NAMES(from)) : 0;
+
+    DEBUG(2, ("align_termtype to(%d:%s), from(%d:%s)",
+	      na, to ? NonNull(to->term_names) : "?",
+	      nb, from ? NonNull(from->term_names) : "?"));
 
     if (na != 0 || nb != 0) {
+	int ext_Booleans, ext_Numbers, ext_Strings;
+	bool used_ext_Names = FALSE;
+
 	if ((na == nb)		/* check if the arrays are equivalent */
 	    &&(to->ext_Booleans == from->ext_Booleans)
 	    && (to->ext_Numbers == from->ext_Numbers)
 	    && (to->ext_Strings == from->ext_Strings)) {
+	    int n;
+	    bool same;
+
 	    for (n = 0, same = TRUE; n < na; n++) {
 		if (strcmp(to->ext_Names[n], from->ext_Names[n])) {
 		    same = FALSE;
@@ -473,29 +509,80 @@ _nc_align_termtype(TERMTYPE *to, TERMTYPE *from)
 }
 #endif
 
-NCURSES_EXPORT(void)
-_nc_copy_termtype(TERMTYPE *dst, const TERMTYPE *src)
+#define srcINT 1
+#define dstINT 2
+
+/*
+ * TERMTYPE and TERMTYPE2 differ only with regard to the values in Numbers.
+ * Use 'mode' to decide which to use.
+ */
+static void
+copy_termtype(TERMTYPE2 *dst, const TERMTYPE2 *src, int mode)
 {
-#if NCURSES_XNAMES
+#if NCURSES_XNAMES || NCURSES_EXT_NUMBERS
     unsigned i;
 #endif
+#if NCURSES_EXT_NUMBERS
+    short *oldptr = 0;
+    int *newptr = 0;
+#endif
 
+    DEBUG(2, ("copy_termtype"));
     *dst = *src;		/* ...to copy the sizes and string-tables */
 
     TYPE_MALLOC(NCURSES_SBOOL, NUM_BOOLEANS(dst), dst->Booleans);
-    TYPE_MALLOC(short, NUM_NUMBERS(dst), dst->Numbers);
     TYPE_MALLOC(char *, NUM_STRINGS(dst), dst->Strings);
 
     memcpy(dst->Booleans,
 	   src->Booleans,
 	   NUM_BOOLEANS(dst) * sizeof(dst->Booleans[0]));
-    memcpy(dst->Numbers,
-	   src->Numbers,
-	   NUM_NUMBERS(dst) * sizeof(dst->Numbers[0]));
     memcpy(dst->Strings,
 	   src->Strings,
 	   NUM_STRINGS(dst) * sizeof(dst->Strings[0]));
 
+#if NCURSES_EXT_NUMBERS
+    if ((mode & dstINT) == 0) {
+	DEBUG(2, ("...convert int ->short"));
+	TYPE_MALLOC(short, NUM_NUMBERS(dst), oldptr);
+	((TERMTYPE *) dst)->Numbers = oldptr;
+    } else {
+	DEBUG(2, ("...copy without changing size"));
+	TYPE_MALLOC(int, NUM_NUMBERS(dst), newptr);
+	dst->Numbers = newptr;
+    }
+    if ((mode == srcINT) && (oldptr != 0)) {
+	DEBUG(2, ("...copy int ->short"));
+	for (i = 0; i < NUM_NUMBERS(dst); ++i) {
+	    if (src->Numbers[i] > MAX_OF_TYPE(short)) {
+		oldptr[i] = MAX_OF_TYPE(short);
+	    } else {
+		oldptr[i] = (short) src->Numbers[i];
+	    }
+	}
+    } else if ((mode == dstINT) && (newptr != 0)) {
+	DEBUG(2, ("...copy short ->int"));
+	for (i = 0; i < NUM_NUMBERS(dst); ++i) {
+	    newptr[i] = ((const short *) (src->Numbers))[i];
+	}
+    } else {
+	DEBUG(2, ("...copy %s without change",
+		  (mode & dstINT)
+		  ? "int"
+		  : "short"));
+	memcpy(dst->Numbers,
+	       src->Numbers,
+	       NUM_NUMBERS(dst) * ((mode & dstINT)
+				   ? sizeof(int)
+				   : sizeof(short)));
+    }
+#else
+    (void) mode;
+    TYPE_MALLOC(short, NUM_NUMBERS(dst), dst->Numbers);
+    memcpy(dst->Numbers,
+	   src->Numbers,
+	   NUM_NUMBERS(dst) * sizeof(dst->Numbers[0]));
+#endif
+
     /* FIXME: we probably should also copy str_table and ext_str_table,
      * but tic and infocmp are not written to exploit that (yet).
      */
@@ -509,3 +596,33 @@ _nc_copy_termtype(TERMTYPE *dst, const TERMTYPE *src)
     }
 #endif
 }
+
+/*
+ * This entrypoint is used by tack.
+ */
+NCURSES_EXPORT(void)
+_nc_copy_termtype(TERMTYPE *dst, const TERMTYPE *src)
+{
+    DEBUG(2, ("_nc_copy_termtype..."));
+    copy_termtype((TERMTYPE2 *) dst, (const TERMTYPE2 *) src, 0);
+}
+
+#if NCURSES_EXT_NUMBERS
+NCURSES_EXPORT(void)
+_nc_copy_termtype2(TERMTYPE2 *dst, const TERMTYPE2 *src)
+{
+    DEBUG(2, ("_nc_copy_termtype2..."));
+    copy_termtype(dst, src, srcINT | dstINT);
+}
+
+/*
+ * Use this for exporting the internal TERMTYPE2 to the legacy format used via
+ * the CUR macro by applications.
+ */
+NCURSES_EXPORT(void)
+_nc_export_termtype2(TERMTYPE *dst, const TERMTYPE2 *src)
+{
+    DEBUG(2, ("_nc_export_termtype2..."));
+    copy_termtype((TERMTYPE2 *) dst, src, srcINT);
+}
+#endif /* NCURSES_EXT_NUMBERS */
diff --git a/ncurses/tinfo/captoinfo.c b/ncurses/tinfo/captoinfo.c
index e02e622b0de3..a9eb1e53454d 100644
--- a/ncurses/tinfo/captoinfo.c
+++ b/ncurses/tinfo/captoinfo.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -33,12 +33,16 @@
  ****************************************************************************/
 
 /*
- *	captoinfo.c --- conversion between termcap and terminfo formats
+ *	captoinfo.c
+ *
+ *	Provide conversion in both directions between termcap and terminfo.
+ *
+ * cap-to-info --- conversion between termcap and terminfo formats
  *
  *	The captoinfo() code was swiped from Ross Ridge's mytinfo package,
  *	adapted to fit ncurses by Eric S. Raymond <esr@snark.thyrsus.com>.
  *
- *	There is just one entry point:
+ *	It has just one entry point:
  *
  *	char *_nc_captoinfo(n, s, parameterized)
  *
@@ -93,7 +97,13 @@
 #include <ctype.h>
 #include <tic.h>
 
-MODULE_ID("$Id: captoinfo.c,v 1.77 2012/12/30 00:50:40 tom Exp $")
+MODULE_ID("$Id: captoinfo.c,v 1.97 2019/10/15 23:13:35 tom Exp $")
+
+#if 0
+#define DEBUG_THIS(p) DEBUG(9, p)
+#else
+#define DEBUG_THIS(p)		/* nothing */
+#endif
 
 #define MAX_PUSHED	16	/* max # args we can push onto the stack */
 
@@ -181,7 +191,7 @@ cvtchar(register const char *sp)
 	case '$':
 	case '\\':
 	case '%':
-	    c = (unsigned char) (*sp);
+	    c = UChar(*sp);
 	    len = 2;
 	    break;
 	case '\0':
@@ -194,29 +204,33 @@ cvtchar(register const char *sp)
 	case '3':
 	    len = 1;
 	    while (isdigit(UChar(*sp))) {
-		c = (unsigned char) (8 * c + (*sp++ - '0'));
+		c = UChar(8 * c + (*sp++ - '0'));
 		len++;
 	    }
 	    break;
 	default:
-	    c = (unsigned char) (*sp);
-	    len = 2;
+	    c = UChar(*sp);
+	    len = (c != '\0') ? 2 : 1;
 	    break;
 	}
 	break;
     case '^':
-	c = (unsigned char) (*++sp & 0x1f);
+	c = UChar(*++sp);
+	if (c == '?')
+	    c = 127;
+	else
+	    c &= 0x1f;
 	len = 2;
 	break;
     default:
-	c = (unsigned char) (*sp);
-	len = 1;
+	c = UChar(*sp);
+	len = (c != '\0') ? 1 : 0;
     }
     if (isgraph(c) && c != ',' && c != '\'' && c != '\\' && c != ':') {
 	dp = save_string(dp, "%\'");
 	dp = save_char(dp, c);
 	dp = save_char(dp, '\'');
-    } else {
+    } else if (c != '\0') {
 	dp = save_string(dp, "%{");
 	if (c > 99)
 	    dp = save_char(dp, c / 100 + '0');
@@ -232,6 +246,8 @@ static void
 getparm(int parm, int n)
 /* push n copies of param on the terminfo stack if not already there */
 {
+    int nn;
+
     if (seenr) {
 	if (parm == 1)
 	    parm = 2;
@@ -239,7 +255,7 @@ getparm(int parm, int n)
 	    parm = 1;
     }
 
-    while (n--) {
+    for (nn = 0; nn < n; ++nn) {
 	dp = save_string(dp, "%p");
 	dp = save_char(dp, '0' + parm);
     }
@@ -248,7 +264,7 @@ getparm(int parm, int n)
 	if (n > 1) {
 	    _nc_warning("string may not be optimal");
 	    dp = save_string(dp, "%Pa");
-	    while (n--) {
+	    while (n-- > 0) {
 		dp = save_string(dp, "%ga");
 	    }
 	}
@@ -288,6 +304,8 @@ _nc_captoinfo(const char *cap, const char *s, int const parameterized)
     seenr = 0;
     param = 1;
 
+    DEBUG_THIS(("_nc_captoinfo params %d, %s", parameterized, s));
+
     dp = init_string();
 
     /* skip the initial padding (if we haven't been told not to) */
@@ -295,7 +313,7 @@ _nc_captoinfo(const char *cap, const char *s, int const parameterized)
     if (s == 0)
 	s = "";
     if (parameterized >= 0 && isdigit(UChar(*s)))
-	for (capstart = s;; s++)
+	for (capstart = s; *s != '\0'; s++)
 	    if (!(isdigit(UChar(*s)) || *s == '*' || *s == '.'))
 		break;
 
@@ -309,7 +327,7 @@ _nc_captoinfo(const char *cap, const char *s, int const parameterized)
 	    }
 	    switch (*s++) {
 	    case '%':
-		dp = save_char(dp, '%');
+		dp = save_string(dp, "%%");
 		break;
 	    case 'r':
 		if (seenr++ == 1) {
@@ -342,13 +360,18 @@ _nc_captoinfo(const char *cap, const char *s, int const parameterized)
 		dp = save_string(dp, "%{2}%*%-");
 		break;
 	    case '>':
-		getparm(param, 2);
 		/* %?%{x}%>%t%{y}%+%; */
-		dp = save_string(dp, "%?");
-		s += cvtchar(s);
-		dp = save_string(dp, "%>%t");
-		s += cvtchar(s);
-		dp = save_string(dp, "%+%;");
+		if (s[0] && s[1]) {
+		    getparm(param, 2);
+		    dp = save_string(dp, "%?");
+		    s += cvtchar(s);
+		    dp = save_string(dp, "%>%t");
+		    s += cvtchar(s);
+		    dp = save_string(dp, "%+%;");
+		} else {
+		    _nc_warning("expected two characters after %%>");
+		    dp = save_string(dp, "%>");
+		}
 		break;
 	    case 'a':
 		if ((*s == '=' || *s == '+' || *s == '-'
@@ -429,12 +452,17 @@ _nc_captoinfo(const char *cap, const char *s, int const parameterized)
 		pop();
 		break;
 	    case '0':		/* not clear any of the historical termcaps did this */
-		if (*s == '3')
+		if (*s == '3') {
+		    ++s;
 		    goto see03;
-		else if (*s != '2')
-		    goto invalid;
-		/* FALLTHRU */
+		}
+		if (*s == '2') {
+		    ++s;
+		    goto see02;
+		}
+		goto invalid;
 	    case '2':
+	      see02:
 		getparm(param, 1);
 		dp = save_string(dp, "%2d");
 		pop();
@@ -469,7 +497,8 @@ _nc_captoinfo(const char *cap, const char *s, int const parameterized)
 	    }
 	    break;
 	default:
-	    dp = save_char(dp, *s++);
+	    if (*s != '\0')
+		dp = save_char(dp, *s++);
 	    break;
 	}
     }
@@ -480,7 +509,7 @@ _nc_captoinfo(const char *cap, const char *s, int const parameterized)
      */
     if (capstart) {
 	dp = save_string(dp, "$<");
-	for (s = capstart;; s++)
+	for (s = capstart; *s != '\0'; s++)
 	    if (isdigit(UChar(*s)) || *s == '*' || *s == '.')
 		dp = save_char(dp, *s);
 	    else
@@ -489,6 +518,9 @@ _nc_captoinfo(const char *cap, const char *s, int const parameterized)
     }
 
     (void) save_char(dp, '\0');
+
+    DEBUG_THIS(("... _nc_captoinfo %s", NonNull(my_string)));
+
     return (my_string);
 }
 
@@ -525,13 +557,13 @@ bcd_expression(const char *str)
 static char *
 save_tc_char(char *bufptr, int c1)
 {
-    char temp[80];
-
     if (is7bits(c1) && isprint(c1)) {
 	if (c1 == ':' || c1 == '\\')
 	    bufptr = save_char(bufptr, '\\');
 	bufptr = save_char(bufptr, c1);
     } else {
+	char temp[80];
+
 	if (c1 == (c1 & 0x1f)) {	/* iscntrl() returns T on 255 */
 	    _nc_SPRINTF(temp, _nc_SLIMIT(sizeof(temp))
 			"%.20s", unctrl((chtype) c1));
@@ -554,6 +586,8 @@ save_tc_inequality(char *bufptr, int c1, int c2)
 }
 
 /*
+ * info-to-cap --- conversion between terminfo and termcap formats
+ *
  * Here are the capabilities infotocap assumes it can translate to:
  *
  *     %%       output `%'
@@ -571,6 +605,8 @@ save_tc_inequality(char *bufptr, int c1, int c2)
  *     %m       exclusive-or all parameters with 0177 (not in 4.4BSD)
  */
 
+#define octal_fixup(n, c) fixups[n].ch = ((fixups[n].ch << 3) | ((c) - '0'))
+
 /*
  * Convert a terminfo string to termcap format.  Parameters are as in
  * _nc_captoinfo().
@@ -586,7 +622,15 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
     char *bufptr = init_string();
     char octal[4];
     int len;
+    int digits;
     bool syntax_error = FALSE;
+    int myfix = 0;
+    struct {
+	int ch;
+	int offset;
+    } fixups[MAX_TC_FIXUPS];
+
+    DEBUG_THIS(("_nc_infotocap params %d, %s", parameterized, str));
 
     /* we may have to move some trailing mandatory padding up front */
     padding = str + strlen(str) - 1;
@@ -603,7 +647,9 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
 	    bufptr = save_char(bufptr, *padding++);
     }
 
-    for (; *str && ((trimmed == 0) || (str < trimmed)); str++) {
+    for (; !syntax_error &&
+	 *str &&
+	 ((trimmed == 0) || (str < trimmed)); str++) {
 	int c1, c2;
 	char *cp = 0;
 
@@ -611,6 +657,14 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
 	    if (str[1] == '\0' || (str + 1) == trimmed) {
 		bufptr = save_string(bufptr, "\\136");
 		++str;
+	    } else if (str[1] == '?') {
+		/*
+		 * Although the 4.3BSD termcap file has an instance of "kb=^?",
+		 * that appears to be just cut/paste since neither 4.3BSD nor
+		 * 4.4BSD termcap interprets "^?" as DEL.
+		 */
+		bufptr = save_string(bufptr, "\\177");
+		++str;
 	    } else {
 		bufptr = save_char(bufptr, *str++);
 		bufptr = save_char(bufptr, *str);
@@ -625,17 +679,20 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
 	    } else if (str[1] == ',') {
 		bufptr = save_char(bufptr, *++str);
 	    } else {
-		int xx1, xx2;
+		int xx1;
 
 		bufptr = save_char(bufptr, *str++);
 		xx1 = *str;
 		if (_nc_strict_bsd) {
-		    if (isdigit(UChar(xx1))) {
+
+		    if (isoctal(UChar(xx1))) {
 			int pad = 0;
+			int xx2;
+			int fix = 0;
 
-			if (!isdigit(UChar(str[1])))
+			if (!isoctal(UChar(str[1])))
 			    pad = 2;
-			else if (str[1] && !isdigit(UChar(str[2])))
+			else if (str[1] && !isoctal(UChar(str[2])))
 			    pad = 1;
 
 			/*
@@ -650,10 +707,31 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
 			    xx2 = '0';
 			    pad = 0;	/* FIXME - optionally pad to 3 digits */
 			}
+			if (myfix < MAX_TC_FIXUPS) {
+			    fix = 3 - pad;
+			    fixups[myfix].ch = 0;
+			    fixups[myfix].offset = (int) (bufptr
+							  - my_string
+							  - 1);
+			}
 			while (pad-- > 0) {
 			    bufptr = save_char(bufptr, xx2);
+			    if (myfix < MAX_TC_FIXUPS) {
+				fixups[myfix].ch <<= 3;
+				fixups[myfix].ch |= (xx2 - '0');
+			    }
 			    xx2 = '0';
 			}
+			if (myfix < MAX_TC_FIXUPS) {
+			    int n;
+			    for (n = 0; n < fix; ++n) {
+				fixups[myfix].ch <<= 3;
+				fixups[myfix].ch |= (str[n] - '0');
+			    }
+			    if (fixups[myfix].ch < 32) {
+				++myfix;
+			    }
+			}
 		    } else if (strchr("E\\nrtbf", xx1) == 0) {
 			switch (xx1) {
 			case 'e':
@@ -689,6 +767,24 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
 			    break;
 			}
 		    }
+		} else {
+		    if (myfix < MAX_TC_FIXUPS && isoctal(UChar(xx1))) {
+			bool will_fix = TRUE;
+			int n;
+
+			fixups[myfix].ch = 0;
+			fixups[myfix].offset = (int) (bufptr - my_string - 1);
+			for (n = 0; n < 3; ++n) {
+			    if (isoctal(str[n])) {
+				octal_fixup(myfix, str[n]);
+			    } else {
+				will_fix = FALSE;
+				break;
+			    }
+			}
+			if (will_fix && (fixups[myfix].ch < 32))
+			    ++myfix;
+		    }
 		}
 		bufptr = save_char(bufptr, xx1);
 	    }
@@ -735,8 +831,9 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
 	} else if ((len = bcd_expression(str)) != 0) {
 	    str += len;
 	    bufptr = save_string(bufptr, "%B");
-	} else if ((sscanf(str, "%%{%d}%%+%%c", &c1) == 1
-		    || sscanf(str, "%%'%c'%%+%%c", &ch1) == 1)
+	} else if ((sscanf(str, "%%{%d}%%+%%%c", &c1, &ch2) == 2
+		    || sscanf(str, "%%'%c'%%+%%%c", &ch1, &ch2) == 2)
+		   && ch2 == 'c'
 		   && (cp = strchr(str, '+'))) {
 	    str = cp + 2;
 	    bufptr = save_string(bufptr, "%+");
@@ -779,26 +876,46 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
 		bufptr = save_char(bufptr, '%');
 		ch1 = 0;
 		ch2 = 0;
+		digits = 0;
 		while (isdigit(UChar(*str))) {
+		    if (++digits > 2) {
+			syntax_error = TRUE;
+			break;
+		    }
 		    ch2 = ch1;
 		    ch1 = *str++;
-		    if (_nc_strict_bsd) {
-			if (ch1 > '3')
-			    return 0;
+		    if (digits == 2 && ch2 != '0') {
+			syntax_error = TRUE;
+			break;
+		    } else if (_nc_strict_bsd) {
+			if (ch1 > '3') {
+			    syntax_error = TRUE;
+			    break;
+			}
 		    } else {
 			bufptr = save_char(bufptr, ch1);
 		    }
 		}
+		if (syntax_error)
+		    break;
+		/*
+		 * Convert %02 to %2 and %03 to %3
+		 */
+		if (ch2 == '0' && !_nc_strict_bsd) {
+		    ch2 = 0;
+		    bufptr[-2] = bufptr[-1];
+		    *--bufptr = 0;
+		}
 		if (_nc_strict_bsd) {
-		    if (ch2 != 0 && ch2 != '0')
-			return 0;
-		    if (ch1 < '2')
+		    if (ch2 != 0 && ch2 != '0') {
+			syntax_error = TRUE;
+		    } else if (ch1 < '2') {
 			ch1 = 'd';
+		    }
 		    bufptr = save_char(bufptr, ch1);
 		}
-		if (strchr("doxX.", *str)) {
-		    if (*str != 'd')	/* termcap doesn't have octal, hex */
-			return 0;
+		if (strchr("oxX.", *str)) {
+		    syntax_error = TRUE;	/* termcap doesn't have octal, hex */
 		}
 		break;
 
@@ -816,9 +933,11 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
 		 * termcap notation.
 		 */
 	    case 's':
-		if (_nc_strict_bsd)
-		    return 0;
-		bufptr = save_string(bufptr, "%s");
+		if (_nc_strict_bsd) {
+		    syntax_error = TRUE;
+		} else {
+		    bufptr = save_string(bufptr, "%s");
+		}
 		break;
 
 	    case 'p':
@@ -830,8 +949,9 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
 			bufptr = save_string(bufptr, "%r");
 			seentwo++;
 		    }
-		} else if (*str >= '3')
-		    return (0);
+		} else if (*str >= '3') {
+		    syntax_error = TRUE;
+		}
 		break;
 
 	    case 'i':
@@ -855,6 +975,24 @@ _nc_infotocap(const char *cap GCC_UNUSED, const char *str, int const parameteriz
 
     }				/* endwhile (*str) */
 
+    if (!syntax_error &&
+	myfix > 0 &&
+	((int) strlen(my_string) - (4 * myfix)) < MIN_TC_FIXUPS) {
+	while (--myfix >= 0) {
+	    char *p = fixups[myfix].offset + my_string;
+	    *p++ = '^';
+	    *p++ = (char) (fixups[myfix].ch | '@');
+	    while ((p[0] = p[2]) != '\0') {
+		++p;
+	    }
+	}
+    }
+
+    DEBUG_THIS(("... _nc_infotocap %s",
+		syntax_error
+		? "<ERR>"
+		: _nc_visbuf(my_string)));
+
     return (syntax_error ? NULL : my_string);
 }
 
diff --git a/ncurses/tinfo/comp_error.c b/ncurses/tinfo/comp_error.c
index ff0acc799815..48ab9777a2c7 100644
--- a/ncurses/tinfo/comp_error.c
+++ b/ncurses/tinfo/comp_error.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2016,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -41,7 +41,7 @@
 
 #include <tic.h>
 
-MODULE_ID("$Id: comp_error.c,v 1.36 2012/02/22 22:34:31 tom Exp $")
+MODULE_ID("$Id: comp_error.c,v 1.39 2019/01/20 02:31:22 tom Exp $")
 
 NCURSES_EXPORT_VAR(bool) _nc_suppress_warnings = FALSE;
 NCURSES_EXPORT_VAR(int) _nc_curr_line = 0; /* current line # in input */
@@ -66,12 +66,14 @@ _nc_set_source(const char *const name)
 NCURSES_EXPORT(void)
 _nc_set_type(const char *const name)
 {
+#define MY_SIZE (size_t) MAX_NAME_SIZE
     if (TermType == 0)
-	TermType = typeMalloc(char, MAX_NAME_SIZE + 1);
+	TermType = typeMalloc(char, MY_SIZE + 1);
     if (TermType != 0) {
 	TermType[0] = '\0';
-	if (name)
-	    strncat(TermType, name, (size_t) MAX_NAME_SIZE);
+	if (name) {
+	    _nc_STRNCAT(TermType, name, MY_SIZE, MY_SIZE);
+	}
     }
 }
 
@@ -103,7 +105,7 @@ where_is_problem(void)
 }
 
 NCURSES_EXPORT(void)
-_nc_warning(const char *const fmt,...)
+_nc_warning(const char *const fmt, ...)
 {
     va_list argp;
 
@@ -118,7 +120,7 @@ _nc_warning(const char *const fmt,...)
 }
 
 NCURSES_EXPORT(void)
-_nc_err_abort(const char *const fmt,...)
+_nc_err_abort(const char *const fmt, ...)
 {
     va_list argp;
 
@@ -131,7 +133,7 @@ _nc_err_abort(const char *const fmt,...)
 }
 
 NCURSES_EXPORT(void)
-_nc_syserr_abort(const char *const fmt,...)
+_nc_syserr_abort(const char *const fmt, ...)
 {
     va_list argp;
 
@@ -141,16 +143,18 @@ _nc_syserr_abort(const char *const fmt,...)
     fprintf(stderr, "\n");
     va_end(argp);
 
+#if defined(TRACE) || !defined(NDEBUG)
     /* If we're debugging, try to show where the problem occurred - this
      * will dump core.
      */
-#if defined(TRACE) || !defined(NDEBUG)
-    abort();
-#else
+#ifndef USE_ROOT_ENVIRON
+    if (getuid() != ROOT_UID)
+#endif
+	abort();
+#endif
     /* Dumping core in production code is not a good idea.
      */
     exit(EXIT_FAILURE);
-#endif
 }
 
 #if NO_LEAKS
diff --git a/ncurses/tinfo/comp_expand.c b/ncurses/tinfo/comp_expand.c
index 2ab06ebabc89..07715579ee8e 100644
--- a/ncurses/tinfo/comp_expand.c
+++ b/ncurses/tinfo/comp_expand.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2016,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -27,7 +27,7 @@
  ****************************************************************************/
 
 /****************************************************************************
- *  Author: Thomas E. Dickey <dickey@clark.net> 1998                        *
+ *  Author: Thomas E. Dickey                    1998                        *
  ****************************************************************************/
 
 #include <curses.priv.h>
@@ -35,7 +35,13 @@
 #include <ctype.h>
 #include <tic.h>
 
-MODULE_ID("$Id: comp_expand.c,v 1.25 2012/03/24 18:37:17 tom Exp $")
+MODULE_ID("$Id: comp_expand.c,v 1.31 2017/04/20 08:55:08 tom Exp $")
+
+#if 0
+#define DEBUG_THIS(p) DEBUG(9, p)
+#else
+#define DEBUG_THIS(p)		/* nothing */
+#endif
 
 static int
 trailing_spaces(const char *src)
@@ -46,10 +52,9 @@ trailing_spaces(const char *src)
 }
 
 /* this deals with differences over whether 0x7f and 0x80..0x9f are controls */
-#define REALCTL(s) (UChar(*(s)) < 127 && iscntrl(UChar(*(s))))
 #define REALPRINT(s) (UChar(*(s)) < 127 && isprint(UChar(*(s))))
 
-#define P_LIMIT(p) (length - (size_t)(p))
+#define P_LIMIT(p)   (length - (size_t)(p))
 
 NCURSES_EXPORT(char *)
 _nc_tic_expand(const char *srcp, bool tic_format, int numbers)
@@ -59,9 +64,13 @@ _nc_tic_expand(const char *srcp, bool tic_format, int numbers)
 
     int bufp;
     const char *str = VALID_STRING(srcp) ? srcp : "\0\0";
-    bool islong = (strlen(str) > 3);
     size_t need = (2 + strlen(str)) * 4;
     int ch;
+    int octals = 0;
+    struct {
+	int ch;
+	int offset;
+    } fixups[MAX_TC_FIXUPS];
 
     if (srcp == 0) {
 #if NO_LEAKS
@@ -77,6 +86,7 @@ _nc_tic_expand(const char *srcp, bool tic_format, int numbers)
 	      return 0;
     }
 
+    DEBUG_THIS(("_nc_tic_expand %s", _nc_visbuf(srcp)));
     bufp = 0;
     while ((ch = UChar(*str)) != 0) {
 	if (ch == '%' && REALPRINT(str + 1)) {
@@ -133,6 +143,8 @@ _nc_tic_expand(const char *srcp, bool tic_format, int numbers)
 		}
 		break;
 	    default:
+		if (*str == ',')	/* minitel1 uses this */
+		    buffer[bufp++] = '\\';
 		buffer[bufp++] = *str;
 		break;
 	    }
@@ -158,34 +170,28 @@ _nc_tic_expand(const char *srcp, bool tic_format, int numbers)
 		       && !(ch == '!' && !tic_format)
 		       && ch != '^'))
 	    buffer[bufp++] = (char) ch;
-#if 0				/* FIXME: this would be more readable (in fact the whole 'islong' logic should be removed) */
-	else if (ch == '\b') {
-	    buffer[bufp++] = '\\';
-	    buffer[bufp++] = 'b';
-	} else if (ch == '\f') {
-	    buffer[bufp++] = '\\';
-	    buffer[bufp++] = 'f';
-	} else if (ch == '\t' && islong) {
-	    buffer[bufp++] = '\\';
-	    buffer[bufp++] = 't';
-	}
-#endif
-	else if (ch == '\r' && (islong || (strlen(srcp) > 2 && str[1] == '\0'))) {
+	else if (ch == '\r') {
 	    buffer[bufp++] = '\\';
 	    buffer[bufp++] = 'r';
-	} else if (ch == '\n' && islong) {
+	} else if (ch == '\n') {
 	    buffer[bufp++] = '\\';
 	    buffer[bufp++] = 'n';
 	}
 #define UnCtl(c) ((c) + '@')
-	else if (REALCTL(str) && ch != '\\'
-		 && (!islong || isdigit(UChar(str[1])))) {
+	else if (UChar(ch) < 32
+		 && isdigit(UChar(str[1]))) {
 	    _nc_SPRINTF(&buffer[bufp], _nc_SLIMIT(P_LIMIT(bufp))
 			"^%c", UnCtl(ch));
 	    bufp += 2;
 	} else {
 	    _nc_SPRINTF(&buffer[bufp], _nc_SLIMIT(P_LIMIT(bufp))
 			"\\%03o", ch);
+	    if ((octals < MAX_TC_FIXUPS) &&
+		((tic_format && (ch == 127)) || ch < 32)) {
+		fixups[octals].ch = UChar(ch);
+		fixups[octals].offset = bufp;
+		++octals;
+	    }
 	    bufp += 4;
 	}
 
@@ -193,5 +199,26 @@ _nc_tic_expand(const char *srcp, bool tic_format, int numbers)
     }
 
     buffer[bufp] = '\0';
+
+    /*
+     * If most of a short string is ASCII control characters, reformat the
+     * string to show those in up-arrow format.  For longer strings, it's
+     * more likely that the characters are just binary coding.
+     *
+     * If we're formatting termcap, just use the shorter format (up-arrows).
+     */
+    if (octals != 0 && (!tic_format || (bufp - (4 * octals)) < MIN_TC_FIXUPS)) {
+	while (--octals >= 0) {
+	    char *p = buffer + fixups[octals].offset;
+	    *p++ = '^';
+	    *p++ = (char) ((fixups[octals].ch == 127)
+			   ? '?'
+			   : (fixups[octals].ch + (int) '@'));
+	    while ((p[0] = p[2]) != 0) {
+		++p;
+	    }
+	}
+    }
+    DEBUG_THIS(("... %s", _nc_visbuf(buffer)));
     return (buffer);
 }
diff --git a/ncurses/tinfo/comp_hash.c b/ncurses/tinfo/comp_hash.c
index 959c6e156431..a62d38f9dc8d 100644
--- a/ncurses/tinfo/comp_hash.c
+++ b/ncurses/tinfo/comp_hash.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2008,2009 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2009,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -44,7 +44,7 @@
 #include <tic.h>
 #include <hashsize.h>
 
-MODULE_ID("$Id: comp_hash.c,v 1.48 2009/08/08 17:36:21 tom Exp $")
+MODULE_ID("$Id: comp_hash.c,v 1.51 2019/10/12 16:32:13 tom Exp $")
 
 /*
  * Finds the entry for the given string in the hash table if present.
@@ -63,7 +63,9 @@ _nc_find_entry(const char *string,
 
     hashvalue = data->hash_of(string);
 
-    if (data->table_data[hashvalue] >= 0) {
+    if (hashvalue >= 0
+	&& (unsigned) hashvalue < data->table_size
+	&& data->table_data[hashvalue] >= 0) {
 
 	real_table = _nc_get_table(termcap);
 	ptr = real_table + data->table_data[hashvalue];
@@ -96,7 +98,9 @@ _nc_find_type_entry(const char *string,
     const HashData *data = _nc_get_hash_info(termcap);
     int hashvalue = data->hash_of(string);
 
-    if (data->table_data[hashvalue] >= 0) {
+    if (hashvalue >= 0
+	&& (unsigned) hashvalue < data->table_size
+	&& data->table_data[hashvalue] >= 0) {
 	const struct name_table_entry *const table = _nc_get_table(termcap);
 
 	ptr = table + data->table_data[hashvalue];
@@ -112,3 +116,34 @@ _nc_find_type_entry(const char *string,
 
     return ptr;
 }
+
+#if NCURSES_XNAMES
+NCURSES_EXPORT(struct user_table_entry const *)
+_nc_find_user_entry(const char *string)
+{
+    const HashData *data = _nc_get_hash_user();
+    int hashvalue;
+    struct user_table_entry const *ptr = 0;
+    struct user_table_entry const *real_table;
+
+    hashvalue = data->hash_of(string);
+
+    if (hashvalue >= 0
+	&& (unsigned) hashvalue < data->table_size
+	&& data->table_data[hashvalue] >= 0) {
+
+	real_table = _nc_get_userdefs_table();
+	ptr = real_table + data->table_data[hashvalue];
+	while (!data->compare_names(ptr->ute_name, string)) {
+	    if (ptr->ute_link < 0) {
+		ptr = 0;
+		break;
+	    }
+	    ptr = real_table + (ptr->ute_link
+				+ data->table_data[data->table_size]);
+	}
+    }
+
+    return (ptr);
+}
+#endif /* NCURSES_XNAMES */
diff --git a/ncurses/tinfo/comp_parse.c b/ncurses/tinfo/comp_parse.c
index 82a61a52e35d..82c3fa2c950a 100644
--- a/ncurses/tinfo/comp_parse.c
+++ b/ncurses/tinfo/comp_parse.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -47,16 +47,12 @@
 
 #include <tic.h>
 
-MODULE_ID("$Id: comp_parse.c,v 1.90 2013/08/31 15:22:31 tom Exp $")
+MODULE_ID("$Id: comp_parse.c,v 1.108 2019/12/14 22:34:35 tom Exp $")
 
-static void sanity_check2(TERMTYPE *, bool);
-NCURSES_IMPEXP void NCURSES_API(*_nc_check_termtype2) (TERMTYPE *, bool) = sanity_check2;
+static void sanity_check2(TERMTYPE2 *, bool);
+NCURSES_IMPEXP void NCURSES_API(*_nc_check_termtype2) (TERMTYPE2 *, bool) = sanity_check2;
 
-/* obsolete: 20040705 */
-static void sanity_check(TERMTYPE *);
-NCURSES_IMPEXP void NCURSES_API(*_nc_check_termtype) (TERMTYPE *) = sanity_check;
-
-static void fixup_acsc(TERMTYPE *, int);
+static void fixup_acsc(TERMTYPE2 *, int);
 
 static void
 enqueue(ENTRY * ep)
@@ -75,6 +71,8 @@ enqueue(ENTRY * ep)
 	newp->last->next = newp;
 }
 
+#define NAMEBUFFER_SIZE (MAX_NAME_SIZE + 2)
+
 static char *
 force_bar(char *dst, char *src)
 {
@@ -82,8 +80,8 @@ force_bar(char *dst, char *src)
 	size_t len = strlen(src);
 	if (len > MAX_NAME_SIZE)
 	    len = MAX_NAME_SIZE;
-	(void) strncpy(dst, src, len);
-	_nc_STRCPY(dst + len, "|", MAX_NAME_SIZE);
+	_nc_STRNCPY(dst, src, MAX_NAME_SIZE);
+	_nc_STRCPY(dst + len, "|", NAMEBUFFER_SIZE - len);
 	src = dst;
     }
     return src;
@@ -107,8 +105,8 @@ static bool
 check_collisions(char *n1, char *n2, int counter)
 {
     char *pstart, *qstart, *pend, *qend;
-    char nc1[MAX_NAME_SIZE + 2];
-    char nc2[MAX_NAME_SIZE + 2];
+    char nc1[NAMEBUFFER_SIZE];
+    char nc2[NAMEBUFFER_SIZE];
 
     n1 = ForceBar(nc1, n1);
     n2 = ForceBar(nc2, n2);
@@ -182,11 +180,11 @@ remove_collision(char *n1, char *n2)
 			++qend;
 		    while ((*qstart++ = *qend++) != '\0') ;
 		    fprintf(stderr, "...now\t%s\n", p2);
+		    removed = TRUE;
 		} else {
 		    fprintf(stderr, "Cannot remove alias '%.*s'\n",
 			    (int) (qend - qstart), qstart);
 		}
-		removed = TRUE;
 		break;
 	    }
 	}
@@ -267,6 +265,126 @@ _nc_read_entry_source(FILE *fp, char *buf,
     _nc_suppress_warnings = oldsuppress;
 }
 
+#if NCURSES_XNAMES
+static unsigned
+find_capname(TERMTYPE2 *p, const char *name)
+{
+    unsigned num_names = NUM_EXT_NAMES(p);
+    unsigned n;
+    if (name != 0) {
+	for (n = 0; n < num_names; ++n) {
+	    if (!strcmp(p->ext_Names[n], name))
+		break;
+	}
+    } else {
+	n = num_names + 1;
+    }
+    return n;
+}
+
+static int
+extended_captype(TERMTYPE2 *p, unsigned which)
+{
+    int result = UNDEF;
+    unsigned limit = 0;
+    limit += p->ext_Booleans;
+    if (limit != 0 && which < limit) {
+	result = BOOLEAN;
+    } else {
+	limit += p->ext_Numbers;
+	if (limit != 0 && which < limit) {
+	    result = NUMBER;
+	} else {
+	    limit += p->ext_Strings;
+	    if (limit != 0 && which < limit) {
+		result = STRING;
+	    } else if (which >= limit) {
+		result = CANCEL;
+	    }
+	}
+    }
+    return result;
+}
+
+static const char *
+name_of_captype(int which)
+{
+    const char *result = "?";
+    switch (which) {
+    case BOOLEAN:
+	result = "boolean";
+	break;
+    case NUMBER:
+	result = "number";
+	break;
+    case STRING:
+	result = "string";
+	break;
+    }
+    return result;
+}
+
+#define valid_TERMTYPE2(p) \
+	((p) != 0 && \
+	 (p)->term_names != 0 && \
+	 (p)->ext_Names != 0)
+
+/*
+ * Disallow changing the type of an extended capability when doing a "use"
+ * if one or the other is a string.
+ */
+static int
+invalid_merge(TERMTYPE2 *to, TERMTYPE2 *from)
+{
+    int rc = FALSE;
+    if (valid_TERMTYPE2(to)
+	&& valid_TERMTYPE2(from)) {
+	char *to_name = _nc_first_name(to->term_names);
+	char *from_name = strdup(_nc_first_name(from->term_names));
+	unsigned num_names = NUM_EXT_NAMES(from);
+	unsigned n;
+
+	for (n = 0; n < num_names; ++n) {
+	    const char *capname = from->ext_Names[n];
+	    int tt = extended_captype(to, find_capname(to, capname));
+	    int tf = extended_captype(from, n);
+
+	    if (tt <= STRING
+		&& tf <= STRING
+		&& (tt == STRING) != (tf == STRING)) {
+		if (from_name != 0 && strcmp(to_name, from_name)) {
+		    DEBUG(2,
+			  ("merge of %s to %s changes type of %s from %s to %s",
+			   from_name,
+			   to_name,
+			   from->ext_Names[n],
+			   name_of_captype(tf),
+			   name_of_captype(tt)));
+		} else {
+		    DEBUG(2, ("merge of %s changes type of %s from %s to %s",
+			      to_name,
+			      from->ext_Names[n],
+			      name_of_captype(tf),
+			      name_of_captype(tt)));
+		}
+		_nc_warning("merge changes type of %s from %s to %s",
+			    from->ext_Names[n],
+			    name_of_captype(tf),
+			    name_of_captype(tt));
+		rc = TRUE;
+	    }
+	}
+	free(from_name);
+    }
+    return rc;
+}
+#define validate_merge(p, q) \
+	if (invalid_merge(&((p)->tterm), &((q)->tterm))) \
+		return FALSE
+#else
+#define validate_merge(p, q)	/* nothing */
+#endif
+
 NCURSES_EXPORT(int)
 _nc_resolve_uses2(bool fullresolve, bool literal)
 /* try to resolve all use capabilities */
@@ -319,6 +437,9 @@ _nc_resolve_uses2(bool fullresolve, bool literal)
 	    char *lookfor = qp->uses[i].name;
 	    long lookline = qp->uses[i].line;
 
+	    if (lookfor == 0)
+		continue;
+
 	    foundit = FALSE;
 
 	    _nc_set_type(child);
@@ -337,11 +458,11 @@ _nc_resolve_uses2(bool fullresolve, bool literal)
 
 	    /* if that didn't work, try to merge in a compiled entry */
 	    if (!foundit) {
-		TERMTYPE thisterm;
+		TERMTYPE2 thisterm;
 		char filename[PATH_MAX];
 
 		memset(&thisterm, 0, sizeof(thisterm));
-		if (_nc_read_entry(lookfor, filename, &thisterm) == 1) {
+		if (_nc_read_entry2(lookfor, filename, &thisterm) == 1) {
 		    DEBUG(2, ("%s: resolving use=%s (compiled)",
 			      child, lookfor));
 
@@ -382,7 +503,7 @@ _nc_resolve_uses2(bool fullresolve, bool literal)
      */
     if (fullresolve) {
 	do {
-	    TERMTYPE merged;
+	    ENTRY merged;
 
 	    keepgoing = FALSE;
 
@@ -396,7 +517,8 @@ _nc_resolve_uses2(bool fullresolve, bool literal)
 		     * subsequent pass.
 		     */
 		    for (i = 0; i < qp->nuses; i++)
-			if (qp->uses[i].link->nuses) {
+			if (qp->uses[i].link
+			    && qp->uses[i].link->nuses) {
 			    DEBUG(2, ("%s: use entry %d unresolved",
 				      _nc_first_name(qp->tterm.term_names), i));
 			    goto incomplete;
@@ -408,20 +530,24 @@ _nc_resolve_uses2(bool fullresolve, bool literal)
 		     * the merged entry the name field and string
 		     * table pointer.
 		     */
-		    _nc_copy_termtype(&merged, &(qp->tterm));
+		    _nc_copy_termtype2(&(merged.tterm), &(qp->tterm));
 
 		    /*
 		     * Now merge in each use entry in the proper
 		     * (reverse) order.
 		     */
-		    for (; qp->nuses; qp->nuses--)
+		    for (; qp->nuses; qp->nuses--) {
+			validate_merge(&merged,
+				       qp->uses[qp->nuses - 1].link);
 			_nc_merge_entry(&merged,
-					&qp->uses[qp->nuses - 1].link->tterm);
+					qp->uses[qp->nuses - 1].link);
+		    }
 
 		    /*
 		     * Now merge in the original entry.
 		     */
-		    _nc_merge_entry(&merged, &qp->tterm);
+		    validate_merge(&merged, qp);
+		    _nc_merge_entry(&merged, qp);
 
 		    /*
 		     * Replace the original entry with the merged one.
@@ -432,7 +558,7 @@ _nc_resolve_uses2(bool fullresolve, bool literal)
 #if NCURSES_XNAMES
 		    FreeIfNeeded(qp->tterm.ext_Names);
 #endif
-		    qp->tterm = merged;
+		    qp->tterm = merged.tterm;
 		    _nc_wrap_entry(qp, TRUE);
 
 		    /*
@@ -459,54 +585,46 @@ _nc_resolve_uses2(bool fullresolve, bool literal)
 
     DEBUG(2, ("RESOLUTION FINISHED"));
 
-    if (fullresolve)
-	if (_nc_check_termtype != 0) {
-	    _nc_curr_col = -1;
-	    for_entry_list(qp) {
-		_nc_curr_line = (int) qp->startline;
-		_nc_set_type(_nc_first_name(qp->tterm.term_names));
+    if (fullresolve) {
+	_nc_curr_col = -1;
+	for_entry_list(qp) {
+	    _nc_curr_line = (int) qp->startline;
+	    _nc_set_type(_nc_first_name(qp->tterm.term_names));
+	    /*
+	     * tic overrides this function pointer to provide more verbose
+	     * checking.
+	     */
+	    if (_nc_check_termtype2 != sanity_check2) {
+		SCREEN *save_SP = SP;
+		SCREEN fake_sp;
+		TERMINAL fake_tm;
+		TERMINAL *save_tm = cur_term;
+
 		/*
-		 * tic overrides this function pointer to provide more verbose
-		 * checking.
+		 * Setup so that tic can use ordinary terminfo interface to
+		 * obtain capability information.
 		 */
-		if (_nc_check_termtype2 != sanity_check2) {
-		    SCREEN *save_SP = SP;
-		    SCREEN fake_sp;
-		    TERMINAL fake_tm;
-		    TERMINAL *save_tm = cur_term;
-
-		    /*
-		     * Setup so that tic can use ordinary terminfo interface
-		     * to obtain capability information.
-		     */
-		    memset(&fake_sp, 0, sizeof(fake_sp));
-		    memset(&fake_tm, 0, sizeof(fake_tm));
-		    fake_sp._term = &fake_tm;
-		    fake_tm.type = qp->tterm;
-		    _nc_set_screen(&fake_sp);
-		    set_curterm(&fake_tm);
+		memset(&fake_sp, 0, sizeof(fake_sp));
+		memset(&fake_tm, 0, sizeof(fake_tm));
+		fake_sp._term = &fake_tm;
+		TerminalType(&fake_tm) = qp->tterm;
+		_nc_set_screen(&fake_sp);
+		set_curterm(&fake_tm);
 
-		    _nc_check_termtype2(&qp->tterm, literal);
+		_nc_check_termtype2(&qp->tterm, literal);
 
-		    _nc_set_screen(save_SP);
-		    set_curterm(save_tm);
-		} else {
-		    fixup_acsc(&qp->tterm, literal);
-		}
+		_nc_set_screen(save_SP);
+		set_curterm(save_tm);
+	    } else {
+		fixup_acsc(&qp->tterm, literal);
 	    }
-	    DEBUG(2, ("SANITY CHECK FINISHED"));
 	}
+	DEBUG(2, ("SANITY CHECK FINISHED"));
+    }
 
     return (TRUE);
 }
 
-/* obsolete: 20040705 */
-NCURSES_EXPORT(int)
-_nc_resolve_uses(bool fullresolve)
-{
-    return _nc_resolve_uses2(fullresolve, FALSE);
-}
-
 /*
  * This bit of legerdemain turns all the terminfo variable names into
  * references to locations in the arrays Booleans, Numbers, and Strings ---
@@ -517,18 +635,18 @@ _nc_resolve_uses(bool fullresolve)
 #define CUR tp->
 
 static void
-fixup_acsc(TERMTYPE *tp, int literal)
+fixup_acsc(TERMTYPE2 *tp, int literal)
 {
     if (!literal) {
-	if (acs_chars == 0
-	    && enter_alt_charset_mode != 0
-	    && exit_alt_charset_mode != 0)
+	if (acs_chars == ABSENT_STRING
+	    && PRESENT(enter_alt_charset_mode)
+	    && PRESENT(exit_alt_charset_mode))
 	    acs_chars = strdup(VT_ACSC);
     }
 }
 
 static void
-sanity_check2(TERMTYPE *tp, bool literal)
+sanity_check2(TERMTYPE2 *tp, bool literal)
 {
     if (!PRESENT(exit_attribute_mode)) {
 #ifdef __UNUSED__		/* this casts too wide a net */
@@ -547,7 +665,9 @@ sanity_check2(TERMTYPE *tp, bool literal)
 #endif /* __UNUSED__ */
 	PAIRED(enter_standout_mode, exit_standout_mode);
 	PAIRED(enter_underline_mode, exit_underline_mode);
+#if defined(enter_italics_mode) && defined(exit_italics_mode)
 	PAIRED(enter_italics_mode, exit_italics_mode);
+#endif
     }
 
     /* we do this check/fix in postprocess_termcap(), but some packagers
@@ -578,23 +698,18 @@ sanity_check2(TERMTYPE *tp, bool literal)
     PAIRED(enter_xon_mode, exit_xon_mode);
     PAIRED(enter_am_mode, exit_am_mode);
     ANDMISSING(label_off, label_on);
-#ifdef remove_clock
+#if defined(display_clock) && defined(remove_clock)
     PAIRED(display_clock, remove_clock);
 #endif
     ANDMISSING(set_color_pair, initialize_pair);
 }
 
-/* obsolete: 20040705 */
-static void
-sanity_check(TERMTYPE *tp)
-{
-    sanity_check2(tp, FALSE);
-}
-
 #if NO_LEAKS
 NCURSES_EXPORT(void)
 _nc_leaks_tic(void)
 {
+    T((T_CALLED("_nc_free_tic()")));
+    _nc_globals.leak_checking = TRUE;
     _nc_alloc_entry_leaks();
     _nc_captoinfo_leaks();
     _nc_comp_scan_leaks();
@@ -609,6 +724,6 @@ NCURSES_EXPORT(void)
 _nc_free_tic(int code)
 {
     _nc_leaks_tic();
-    _nc_free_tinfo(code);
+    exit_terminfo(code);
 }
 #endif
diff --git a/ncurses/tinfo/comp_scan.c b/ncurses/tinfo/comp_scan.c
index fe6e8e7631ce..b2072577a499 100644
--- a/ncurses/tinfo/comp_scan.c
+++ b/ncurses/tinfo/comp_scan.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2016,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -50,7 +50,7 @@
 #include <ctype.h>
 #include <tic.h>
 
-MODULE_ID("$Id: comp_scan.c,v 1.102 2013/11/16 19:57:50 tom Exp $")
+MODULE_ID("$Id: comp_scan.c,v 1.108 2017/08/25 22:57:21 tom Exp $")
 
 /*
  * Maximum length of string capability we'll accept before raising an error.
@@ -168,6 +168,8 @@ next_char(void)
 	if (result != 0) {
 	    FreeAndNull(result);
 	    FreeAndNull(pushname);
+	    bufptr = 0;
+	    bufstart = 0;
 	    allocated = 0;
 	}
 	/*
@@ -189,12 +191,11 @@ next_char(void)
 	 * quite hard to get completely right.  Try it and see.  If you
 	 * succeed, don't forget to hack push_back() correspondingly.
 	 */
-	size_t used;
 	size_t len;
 
 	do {
+	    size_t used = 0;
 	    bufstart = 0;
-	    used = 0;
 	    do {
 		if (used + (LEXBUFSIZ / 4) >= allocated) {
 		    allocated += (allocated + LEXBUFSIZ);
@@ -223,6 +224,8 @@ next_char(void)
 		}
 		if ((bufptr = bufstart) != 0) {
 		    used = strlen(bufptr);
+		    if (used == 0)
+			return (EOF);
 		    while (iswhite(*bufptr)) {
 			if (*bufptr == '\t') {
 			    _nc_curr_col = (_nc_curr_col | 7) + 1;
@@ -669,7 +672,15 @@ _nc_get_token(bool silent)
 		    if (numchk == numbuf)
 			_nc_warning("no value given for `%s'", tok_buf);
 		    if ((*numchk != '\0') || (ch != separator))
-			_nc_warning("Missing separator");
+			_nc_warning("Missing separator for `%s'", tok_buf);
+		    if (number < 0)
+			_nc_warning("value of `%s' cannot be negative", tok_buf);
+		    if (number > MAX_OF_TYPE(NCURSES_INT2)) {
+			_nc_warning("limiting value of `%s' from %#lx to %#x",
+				    tok_buf,
+				    number, MAX_OF_TYPE(NCURSES_INT2));
+			number = MAX_OF_TYPE(NCURSES_INT2);
+		    }
 		}
 		_nc_curr_token.tk_name = tok_buf;
 		_nc_curr_token.tk_valnumber = (int) number;
@@ -810,8 +821,6 @@ _nc_trans_string(char *ptr, char *last)
 	    }
 	    if (c == '?' && (_nc_syntax != SYN_TERMCAP)) {
 		*(ptr++) = '\177';
-		if (_nc_tracing)
-		    _nc_warning("Allow ^? as synonym for \\177");
 	    } else {
 		if ((c &= 037) == 0)
 		    c = 128;
@@ -824,8 +833,6 @@ _nc_trans_string(char *ptr, char *last)
 	    if (c == EOF)
 		_nc_err_abort(MSG_NO_INPUTS);
 
-#define isoctal(c) ((c) >= '0' && (c) <= '7')
-
 	    if (isoctal(c) || (strict_bsd && isdigit(c))) {
 		number = c - '0';
 		for (i = 0; i < 2; i++) {
@@ -990,10 +997,8 @@ _nc_push_token(int tokclass)
 NCURSES_EXPORT(void)
 _nc_panic_mode(char ch)
 {
-    int c;
-
     for (;;) {
-	c = next_char();
+	int c = next_char();
 	if (c == ch)
 	    return;
 	if (c == EOF)
diff --git a/ncurses/tinfo/db_iterator.c b/ncurses/tinfo/db_iterator.c
index a14fb2161e01..a9d4e7bbfed0 100644
--- a/ncurses/tinfo/db_iterator.c
+++ b/ncurses/tinfo/db_iterator.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2006-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 2006-2017,2018 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -43,7 +43,7 @@
 #include <hashed_db.h>
 #endif
 
-MODULE_ID("$Id: db_iterator.c,v 1.38 2013/12/14 21:23:20 tom Exp $")
+MODULE_ID("$Id: db_iterator.c,v 1.47 2018/11/24 22:42:01 tom Exp $")
 
 #define HaveTicDirectory _nc_globals.have_tic_directory
 #define KeepTicDirectory _nc_globals.keep_tic_directory
@@ -72,15 +72,18 @@ check_existence(const char *name, struct stat *sb)
 {
     bool result = FALSE;
 
-    if (stat(name, sb) == 0
-	&& (S_ISDIR(sb->st_mode) || S_ISREG(sb->st_mode))) {
+    if (quick_prefix(name)) {
+	result = TRUE;
+    } else if (stat(name, sb) == 0
+	       && (S_ISDIR(sb->st_mode)
+		   || (S_ISREG(sb->st_mode) && sb->st_size))) {
 	result = TRUE;
     }
 #if USE_HASHED_DB
     else if (strlen(name) < PATH_MAX - sizeof(DBM_SUFFIX)) {
 	char temp[PATH_MAX];
 	_nc_SPRINTF(temp, _nc_SLIMIT(sizeof(temp)) "%s%s", name, DBM_SUFFIX);
-	if (stat(temp, sb) == 0 && S_ISREG(sb->st_mode)) {
+	if (stat(temp, sb) == 0 && S_ISREG(sb->st_mode) && sb->st_size) {
 	    result = TRUE;
 	}
     }
@@ -89,6 +92,27 @@ check_existence(const char *name, struct stat *sb)
 }
 
 /*
+ * Trim newlines (and backslashes preceding those) and tab characters to
+ * help simplify scripting of the quick-dump feature.  Leave spaces and
+ * other backslashes alone.
+ */
+static void
+trim_formatting(char *source)
+{
+    char *target = source;
+    char ch;
+
+    while ((ch = *source++) != '\0') {
+	if (ch == '\\' && *source == '\n')
+	    continue;
+	if (ch == '\n' || ch == '\t')
+	    continue;
+	*target++ = ch;
+    }
+    *target = '\0';
+}
+
+/*
  * Store the latest value of an environment variable in my_vars[] so we can
  * detect if one changes, invalidating the cached search-list.
  */
@@ -99,19 +123,21 @@ update_getenv(const char *name, DBDIRS which)
 
     if (which < dbdLAST) {
 	char *value;
+	char *cached_value = my_vars[which].value;
+	bool same_value;
 
-	if ((value = getenv(name)) == 0 || (value = strdup(value)) == 0) {
-	    ;
-	} else if (my_vars[which].name == 0 || strcmp(my_vars[which].name, name)) {
-	    FreeIfNeeded(my_vars[which].value);
-	    my_vars[which].name = name;
-	    my_vars[which].value = value;
-	    result = TRUE;
-	} else if ((my_vars[which].value != 0) ^ (value != 0)) {
-	    FreeIfNeeded(my_vars[which].value);
-	    my_vars[which].value = value;
-	    result = TRUE;
-	} else if (value != 0 && strcmp(value, my_vars[which].value)) {
+	if ((value = getenv(name)) != 0) {
+	    value = strdup(value);
+	}
+	same_value = ((value == 0 && cached_value == 0) ||
+		      (value != 0 &&
+		       cached_value != 0 &&
+		       strcmp(value, cached_value) == 0));
+
+	/* Set variable name to enable checks in cache_expired(). */
+	my_vars[which].name = name;
+
+	if (!same_value) {
 	    FreeIfNeeded(my_vars[which].value);
 	    my_vars[which].value = value;
 	    result = TRUE;
@@ -122,6 +148,7 @@ update_getenv(const char *name, DBDIRS which)
     return result;
 }
 
+#if NCURSES_USE_DATABASE || NCURSES_USE_TERMCAP
 static char *
 cache_getenv(const char *name, DBDIRS which)
 {
@@ -133,6 +160,7 @@ cache_getenv(const char *name, DBDIRS which)
     }
     return result;
 }
+#endif
 
 /*
  * The cache expires if at least a second has passed since the initial lookup,
@@ -187,7 +215,7 @@ _nc_tic_dir(const char *path)
 	    HaveTicDirectory = TRUE;
 	} else if (HaveTicDirectory == 0) {
 	    if (use_terminfo_vars()) {
-		char *envp;
+		const char *envp;
 		if ((envp = getenv("TERMINFO")) != 0)
 		    return _nc_tic_dir(envp);
 	    }
@@ -251,7 +279,7 @@ _nc_first_db(DBDIRS * state, int *offset)
     *state = dbdTIC;
     *offset = 0;
 
-    T(("_nc_first_db"));
+    T((T_CALLED("_nc_first_db")));
 
     /* build a blob containing all of the strings we will use for a lookup
      * table.
@@ -260,7 +288,7 @@ _nc_first_db(DBDIRS * state, int *offset)
 	size_t blobsize = 0;
 	const char *values[dbdLAST];
 	struct stat *my_stat;
-	int j, k;
+	int j;
 
 	if (cache_has_expired)
 	    free_cache();
@@ -330,10 +358,12 @@ _nc_first_db(DBDIRS * state, int *offset)
 	    my_list = typeCalloc(char *, blobsize);
 	    my_stat = typeCalloc(struct stat, blobsize);
 	    if (my_list != 0 && my_stat != 0) {
-		k = 0;
+		int k = 0;
 		my_list[k++] = my_blob;
 		for (j = 0; my_blob[j] != '\0'; ++j) {
-		    if (my_blob[j] == NCURSES_PATHSEP) {
+		    if (my_blob[j] == NCURSES_PATHSEP
+			&& ((&my_blob[j] - my_list[k - 1]) != 3
+			    || !quick_prefix(my_list[k - 1]))) {
 			my_blob[j] = '\0';
 			my_list[k++] = &my_blob[j + 1];
 		    }
@@ -347,8 +377,10 @@ _nc_first_db(DBDIRS * state, int *offset)
 		    if (*my_list[j] == '\0')
 			my_list[j] = strdup(TERMINFO);
 #endif
+		    trim_formatting(my_list[j]);
 		    for (k = 0; k < j; ++k) {
 			if (!strcmp(my_list[j], my_list[k])) {
+			    T(("duplicate %s", my_list[j]));
 			    k = j - 1;
 			    while ((my_list[j] = my_list[j + 1]) != 0) {
 				++j;
@@ -377,6 +409,7 @@ _nc_first_db(DBDIRS * state, int *offset)
 		    }
 #endif
 		    if (!found) {
+			T(("not found %s", my_list[j]));
 			k = j;
 			while ((my_list[k] = my_list[k + 1]) != 0) {
 			    ++k;
@@ -392,6 +425,7 @@ _nc_first_db(DBDIRS * state, int *offset)
 	    free(my_stat);
 	}
     }
+    returnVoid;
 }
 
 #if NO_LEAKS
diff --git a/ncurses/tinfo/entries.c b/ncurses/tinfo/entries.c
index e84033d47f1d..794c519b8884 100644
--- a/ncurses/tinfo/entries.c
+++ b/ncurses/tinfo/entries.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2006-2011,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 2006-2017,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -37,7 +37,7 @@
 
 #include <tic.h>
 
-MODULE_ID("$Id: entries.c,v 1.21 2012/05/05 20:33:44 tom Exp $")
+MODULE_ID("$Id: entries.c,v 1.29 2019/12/15 00:18:03 tom Exp $")
 
 /****************************************************************************
  *
@@ -63,30 +63,8 @@ MODULE_ID("$Id: entries.c,v 1.21 2012/05/05 20:33:44 tom Exp $")
 NCURSES_EXPORT_VAR(ENTRY *) _nc_head = 0;
 NCURSES_EXPORT_VAR(ENTRY *) _nc_tail = 0;
 
-NCURSES_EXPORT(void)
-_nc_free_entry(ENTRY * headp, TERMTYPE *tterm)
-/* free the allocated storage consumed by the given list entry */
-{
-    ENTRY *ep;
-
-    if ((ep = _nc_delink_entry(headp, tterm)) != 0) {
-	free(ep);
-    }
-}
-
-NCURSES_EXPORT(void)
-_nc_free_entries(ENTRY * headp)
-/* free the allocated storage consumed by list entries */
-{
-    (void) headp;		/* unused - _nc_head is altered here! */
-
-    while (_nc_head != 0) {
-	_nc_free_termtype(&(_nc_head->tterm));
-    }
-}
-
-NCURSES_EXPORT(ENTRY *)
-_nc_delink_entry(ENTRY * headp, TERMTYPE *tterm)
+static ENTRY *
+_nc_delink_entry(ENTRY * headp, TERMTYPE2 *tterm)
 /* delink the allocated storage for the given list entry */
 {
     ENTRY *ep, *last;
@@ -112,6 +90,28 @@ _nc_delink_entry(ENTRY * headp, TERMTYPE *tterm)
 }
 
 NCURSES_EXPORT(void)
+_nc_free_entry(ENTRY * headp, TERMTYPE2 *tterm)
+/* free the allocated storage consumed by the given list entry */
+{
+    ENTRY *ep;
+
+    if ((ep = _nc_delink_entry(headp, tterm)) != 0) {
+	free(ep);
+    }
+}
+
+NCURSES_EXPORT(void)
+_nc_free_entries(ENTRY * headp)
+/* free the allocated storage consumed by list entries */
+{
+    (void) headp;		/* unused - _nc_head is altered here! */
+
+    while (_nc_head != 0) {
+	_nc_free_termtype2(&(_nc_head->tterm));
+    }
+}
+
+NCURSES_EXPORT(void)
 _nc_leaks_tinfo(void)
 {
 #if NO_LEAKS
@@ -120,14 +120,17 @@ _nc_leaks_tinfo(void)
 
     T((T_CALLED("_nc_free_tinfo()")));
 #if NO_LEAKS
+    _nc_globals.leak_checking = TRUE;
     _nc_free_tparm();
     _nc_tgetent_leaks();
 
     if (TerminalOf(CURRENT_SCREEN) != 0) {
 	del_curterm(TerminalOf(CURRENT_SCREEN));
     }
+    _nc_forget_prescr();
 
     _nc_comp_captab_leaks();
+    _nc_comp_userdefs_leaks();
     _nc_free_entries(_nc_head);
     _nc_get_type(0);
     _nc_first_name(0);
@@ -144,7 +147,8 @@ _nc_leaks_tinfo(void)
 	free(s);
 
 #ifdef TRACE
-    trace(0);
+    T((T_RETURN("")));
+    curses_trace(0);
     _nc_trace_buf(-1, (size_t) 0);
 #endif
 
@@ -160,3 +164,12 @@ _nc_free_tinfo(int code)
     exit(code);
 }
 #endif
+
+NCURSES_EXPORT(void)
+exit_terminfo(int code)
+{
+#if NO_LEAKS
+    _nc_leaks_tinfo();
+#endif
+    exit(code);
+}
diff --git a/ncurses/tinfo/free_ttype.c b/ncurses/tinfo/free_ttype.c
index ad056ba4545b..351cda933c75 100644
--- a/ncurses/tinfo/free_ttype.c
+++ b/ncurses/tinfo/free_ttype.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1999-2010,2011 Free Software Foundation, Inc.              *
+ * Copyright (c) 1999-2011,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -42,25 +42,46 @@
 
 #include <tic.h>
 
-MODULE_ID("$Id: free_ttype.c,v 1.15 2011/02/06 01:08:31 tom Exp $")
+MODULE_ID("$Id: free_ttype.c,v 1.17 2017/04/13 01:06:04 tom Exp $")
 
-NCURSES_EXPORT(void)
-_nc_free_termtype(TERMTYPE *ptr)
+static void
+really_free_termtype(TERMTYPE2 *ptr, bool freeStrings)
 {
     T(("_nc_free_termtype(%s)", ptr->term_names));
 
-    FreeIfNeeded(ptr->str_table);
+    if (freeStrings) {
+	FreeIfNeeded(ptr->str_table);
+    }
     FreeIfNeeded(ptr->Booleans);
     FreeIfNeeded(ptr->Numbers);
     FreeIfNeeded(ptr->Strings);
 #if NCURSES_XNAMES
-    FreeIfNeeded(ptr->ext_str_table);
+    if (freeStrings) {
+	FreeIfNeeded(ptr->ext_str_table);
+    }
     FreeIfNeeded(ptr->ext_Names);
 #endif
     memset(ptr, 0, sizeof(TERMTYPE));
     _nc_free_entry(_nc_head, ptr);
 }
 
+/*
+ * This entrypoint is used by tack.
+ */
+NCURSES_EXPORT(void)
+_nc_free_termtype(TERMTYPE *ptr)
+{
+    really_free_termtype((TERMTYPE2 *) ptr, !NCURSES_EXT_NUMBERS);
+}
+
+#if NCURSES_EXT_NUMBERS
+NCURSES_EXPORT(void)
+_nc_free_termtype2(TERMTYPE2 *ptr)
+{
+    really_free_termtype(ptr, TRUE);
+}
+#endif
+
 #if NCURSES_XNAMES
 NCURSES_EXPORT_VAR(bool) _nc_user_definable = TRUE;
 
diff --git a/ncurses/tinfo/getenv_num.c b/ncurses/tinfo/getenv_num.c
index d5e35cb46638..d3d257221cd7 100644
--- a/ncurses/tinfo/getenv_num.c
+++ b/ncurses/tinfo/getenv_num.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2013,2018 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -36,7 +36,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: getenv_num.c,v 1.6 2013/09/28 20:25:08 tom Exp $")
+MODULE_ID("$Id: getenv_num.c,v 1.7 2018/06/30 19:54:49 tom Exp $")
 
 NCURSES_EXPORT(int)
 _nc_getenv_num(const char *name)
@@ -68,6 +68,8 @@ _nc_setenv_num(const char *name, int value)
 	_nc_SPRINTF(buffer, _nc_SLIMIT(sizeof(buffer)) "%s=%d", name, value);
 	if ((s = strdup(buffer)) != 0)
 	    putenv(s);
+#else
+#error expected setenv/putenv functions
 #endif
     }
 }
diff --git a/ncurses/tinfo/hashed_db.c b/ncurses/tinfo/hashed_db.c
index b59420585eac..cc8c9d4893cd 100644
--- a/ncurses/tinfo/hashed_db.c
+++ b/ncurses/tinfo/hashed_db.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2006-2011,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 2006-2013,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -36,7 +36,7 @@
 
 #if USE_HASHED_DB
 
-MODULE_ID("$Id: hashed_db.c,v 1.17 2013/12/15 00:33:01 tom Exp $")
+MODULE_ID("$Id: hashed_db.c,v 1.18 2019/01/21 17:34:49 tom Exp $")
 
 #if HASHED_DB_API >= 2
 static DBC *cursor;
@@ -273,7 +273,7 @@ _nc_db_next(DB * db, DBT * key, DBT * data)
 	result = -1;
     }
 #else
-    result = db->seq(db, key, data, 0);
+    result = db->seq(db, key, data, R_NEXT);
 #endif
     return result;
 }
diff --git a/ncurses/tinfo/home_terminfo.c b/ncurses/tinfo/home_terminfo.c
index e77f71c2aeb1..5c2869d4800f 100644
--- a/ncurses/tinfo/home_terminfo.c
+++ b/ncurses/tinfo/home_terminfo.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2010,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2012,2016 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -37,7 +37,7 @@
 #include <curses.priv.h>
 #include <tic.h>
 
-MODULE_ID("$Id: home_terminfo.c,v 1.15 2012/10/27 21:49:14 tom Exp $")
+MODULE_ID("$Id: home_terminfo.c,v 1.16 2016/05/28 23:22:52 tom Exp $")
 
 /* ncurses extension...fall back on user's private directory */
 
@@ -48,10 +48,11 @@ _nc_home_terminfo(void)
 {
     char *result = 0;
 #if USE_HOME_TERMINFO
-    char *home;
-
     if (use_terminfo_vars()) {
+
 	if (MyBuffer == 0) {
+	    char *home;
+
 	    if ((home = getenv("HOME")) != 0) {
 		size_t want = (strlen(home) + sizeof(PRIVATE_INFO));
 		TYPE_MALLOC(char, want, MyBuffer);
diff --git a/ncurses/tinfo/init_keytry.c b/ncurses/tinfo/init_keytry.c
index ea47b382b493..4853ea120172 100644
--- a/ncurses/tinfo/init_keytry.c
+++ b/ncurses/tinfo/init_keytry.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1999-2009,2010 Free Software Foundation, Inc.              *
+ * Copyright (c) 1999-2010,2016 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -29,7 +29,7 @@
 #include <curses.priv.h>
 #include <tic.h>		/* struct tinfo_fkeys */
 
-MODULE_ID("$Id: init_keytry.c,v 1.17 2010/04/24 22:29:56 tom Exp $")
+MODULE_ID("$Id: init_keytry.c,v 1.18 2016/05/28 23:22:52 tom Exp $")
 
 /*
 **      _nc_init_keytry()
@@ -66,14 +66,14 @@ _nc_tinfo_fkeysf(void)
 NCURSES_EXPORT(void)
 _nc_init_keytry(SCREEN *sp)
 {
-    unsigned n;
-
     /* The sp->_keytry value is initialized in newterm(), where the sp
      * structure is created, because we can not tell where keypad() or
      * mouse_activate() (which will call keyok()) are first called.
      */
 
     if (sp != 0) {
+	unsigned n;
+
 	for (n = 0; _nc_tinfo_fkeys[n].code; n++) {
 	    if (_nc_tinfo_fkeys[n].offset < STRCOUNT) {
 		(void) _nc_add_to_try(&(sp->_keytry),
diff --git a/ncurses/tinfo/lib_acs.c b/ncurses/tinfo/lib_acs.c
index 704eda5c9a29..9e74f9f7dd65 100644
--- a/ncurses/tinfo/lib_acs.c
+++ b/ncurses/tinfo/lib_acs.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2010,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -39,7 +39,7 @@
 #define CUR SP_TERMTYPE
 #endif
 
-MODULE_ID("$Id: lib_acs.c,v 1.44 2013/01/12 17:24:42 tom Exp $")
+MODULE_ID("$Id: lib_acs.c,v 1.49 2019/06/23 16:22:10 tom Exp $")
 
 #if BROKEN_LINKER || USE_REENTRANT
 #define MyBuffer _nc_prescreen.real_acs_map
@@ -166,12 +166,12 @@ NCURSES_SP_NAME(_nc_init_acs) (NCURSES_SP_DCL0)
     real_map['E'] = '+';	/* large plus or crossover */
 
 #ifdef USE_TERM_DRIVER
-    CallDriver_2(SP_PARM, initacs, real_map, fake_map);
+    CallDriver_2(SP_PARM, td_initacs, real_map, fake_map);
 #else
     if (ena_acs != NULL) {
 	NCURSES_PUTP2("ena_acs", ena_acs);
     }
-#if NCURSES_EXT_FUNCS
+#if NCURSES_EXT_FUNCS && defined(enter_pc_charset_mode) && defined(exit_pc_charset_mode)
     /*
      * Linux console "supports" the "PC ROM" character set by the coincidence
      * that smpch/rmpch and smacs/rmacs have the same values.  ncurses has
@@ -205,8 +205,13 @@ NCURSES_SP_NAME(_nc_init_acs) (NCURSES_SP_DCL0)
 	while (i + 1 < length) {
 	    if (acs_chars[i] != 0 && UChar(acs_chars[i]) < ACS_LEN) {
 		real_map[UChar(acs_chars[i])] = UChar(acs_chars[i + 1]) | A_ALTCHARSET;
-		if (SP != 0)
+		T(("#%d real_map[%s] = %s",
+		   (int) i,
+		   _tracechar(UChar(acs_chars[i])),
+		   _tracechtype(real_map[UChar(acs_chars[i])])));
+		if (SP != 0) {
 		    SP->_screen_acs_map[UChar(acs_chars[i])] = TRUE;
+		}
 	    }
 	    i += 2;
 	}
@@ -249,3 +254,72 @@ _nc_init_acs(void)
     NCURSES_SP_NAME(_nc_init_acs) (CURRENT_SCREEN);
 }
 #endif
+
+#if !NCURSES_WCWIDTH_GRAPHICS
+NCURSES_EXPORT(int)
+_nc_wacs_width(unsigned ch)
+{
+    int result;
+    switch (ch) {
+    case 0x00a3:		/* FALLTHRU - ncurses pound-sterling symbol */
+    case 0x00b0:		/* FALLTHRU - VT100 degree symbol */
+    case 0x00b1:		/* FALLTHRU - VT100 plus/minus */
+    case 0x00b7:		/* FALLTHRU - VT100 bullet */
+    case 0x03c0:		/* FALLTHRU - ncurses greek pi */
+    case 0x2190:		/* FALLTHRU - Teletype arrow pointing left */
+    case 0x2191:		/* FALLTHRU - Teletype arrow pointing up */
+    case 0x2192:		/* FALLTHRU - Teletype arrow pointing right */
+    case 0x2193:		/* FALLTHRU - Teletype arrow pointing down */
+    case 0x2260:		/* FALLTHRU - ncurses not-equal */
+    case 0x2264:		/* FALLTHRU - ncurses less-than-or-equal-to */
+    case 0x2265:		/* FALLTHRU - ncurses greater-than-or-equal-to */
+    case 0x23ba:		/* FALLTHRU - VT100 scan line 1 */
+    case 0x23bb:		/* FALLTHRU - ncurses scan line 3 */
+    case 0x23bc:		/* FALLTHRU - ncurses scan line 7 */
+    case 0x23bd:		/* FALLTHRU - VT100 scan line 9 */
+    case 0x2500:		/* FALLTHRU - VT100 horizontal line */
+    case 0x2501:		/* FALLTHRU - thick horizontal line */
+    case 0x2502:		/* FALLTHRU - VT100 vertical line */
+    case 0x2503:		/* FALLTHRU - thick vertical line */
+    case 0x250c:		/* FALLTHRU - VT100 upper left corner */
+    case 0x250f:		/* FALLTHRU - thick upper left corner */
+    case 0x2510:		/* FALLTHRU - VT100 upper right corner */
+    case 0x2513:		/* FALLTHRU - thick upper right corner */
+    case 0x2514:		/* FALLTHRU - VT100 lower left corner */
+    case 0x2517:		/* FALLTHRU - thick lower left corner */
+    case 0x2518:		/* FALLTHRU - VT100 lower right corner */
+    case 0x251b:		/* FALLTHRU - thick lower right corner */
+    case 0x251c:		/* FALLTHRU - VT100 tee pointing left */
+    case 0x2523:		/* FALLTHRU - thick tee pointing left */
+    case 0x2524:		/* FALLTHRU - VT100 tee pointing right */
+    case 0x252b:		/* FALLTHRU - thick tee pointing right */
+    case 0x252c:		/* FALLTHRU - VT100 tee pointing down */
+    case 0x2533:		/* FALLTHRU - thick tee pointing down */
+    case 0x2534:		/* FALLTHRU - VT100 tee pointing up */
+    case 0x253b:		/* FALLTHRU - thick tee pointing up */
+    case 0x253c:		/* FALLTHRU - VT100 large plus or crossover */
+    case 0x254b:		/* FALLTHRU - thick large plus or crossover */
+    case 0x2550:		/* FALLTHRU - double horizontal line */
+    case 0x2551:		/* FALLTHRU - double vertical line */
+    case 0x2554:		/* FALLTHRU - double upper left corner */
+    case 0x2557:		/* FALLTHRU - double upper right corner */
+    case 0x255a:		/* FALLTHRU - double lower left corner */
+    case 0x255d:		/* FALLTHRU - double lower right corner */
+    case 0x2560:		/* FALLTHRU - double tee pointing right */
+    case 0x2563:		/* FALLTHRU - double tee pointing left */
+    case 0x2566:		/* FALLTHRU - double tee pointing down */
+    case 0x2569:		/* FALLTHRU - double tee pointing up */
+    case 0x256c:		/* FALLTHRU - double large plus or crossover */
+    case 0x2592:		/* FALLTHRU - VT100 checker board (stipple) */
+    case 0x25ae:		/* FALLTHRU - Teletype solid square block */
+    case 0x25c6:		/* FALLTHRU - VT100 diamond */
+    case 0x2603:		/* FALLTHRU - Teletype lantern symbol */
+	result = 1;
+	break;
+    default:
+	result = wcwidth(ch);
+	break;
+    }
+    return result;
+}
+#endif /* !NCURSES_WCWIDTH_GRAPHICS */
diff --git a/ncurses/tinfo/lib_baudrate.c b/ncurses/tinfo/lib_baudrate.c
index 252d03c593d8..d91e8aa98fc0 100644
--- a/ncurses/tinfo/lib_baudrate.c
+++ b/ncurses/tinfo/lib_baudrate.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2010,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2016,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -39,7 +39,7 @@
 
 #include <curses.priv.h>
 #include <termcap.h>		/* ospeed */
-#if defined(__FreeBSD__)
+#if defined(__FreeBSD__) || defined(__OpenBSD__)
 #include <sys/param.h>
 #endif
 
@@ -49,7 +49,11 @@
  * of the indices up to B115200 fit nicely in a 'short', allowing us to retain
  * ospeed's type for compatibility.
  */
-#if NCURSES_OSPEED_COMPAT && ((defined(__FreeBSD__) && (__FreeBSD_version < 700000)) || defined(__NetBSD__) || defined(__OpenBSD__))
+#if NCURSES_OSPEED_COMPAT && \
+ 	((defined(__FreeBSD__) && (__FreeBSD_version < 700000)) || \
+	defined(__NetBSD__) || \
+	((defined(__OpenBSD__) && OpenBSD < 201510)) || \
+	defined(__APPLE__))
 #undef B0
 #undef B50
 #undef B75
@@ -79,7 +83,7 @@
 #undef USE_OLD_TTY
 #endif /* USE_OLD_TTY */
 
-MODULE_ID("$Id: lib_baudrate.c,v 1.34 2013/12/15 01:29:02 tom Exp $")
+MODULE_ID("$Id: lib_baudrate.c,v 1.43 2017/03/31 17:19:30 tom Exp $")
 
 /*
  *	int
@@ -90,8 +94,8 @@ MODULE_ID("$Id: lib_baudrate.c,v 1.34 2013/12/15 01:29:02 tom Exp $")
  */
 
 struct speed {
-    NCURSES_OSPEED s;		/* values for 'ospeed' */
-    int sp;			/* the actual speed */
+    int given_speed;		/* values for 'ospeed' */
+    int actual_speed;		/* the actual speed */
 };
 
 #define DATA(number) { B##number, number }
@@ -117,6 +121,9 @@ static struct speed const speeds[] =
 #elif defined(EXTA)
     {EXTA, 19200},
 #endif
+#ifdef B28800
+    DATA(28800),
+#endif
 #ifdef B38400
     DATA(38400),
 #elif defined(EXTB)
@@ -127,18 +134,57 @@ static struct speed const speeds[] =
 #endif
     /* ifdef to prevent overflow when OLD_TTY is not available */
 #if !(NCURSES_OSPEED_COMPAT && defined(__FreeBSD__) && (__FreeBSD_version > 700000))
+#ifdef B76800
+    DATA(76800),
+#endif
 #ifdef B115200
     DATA(115200),
 #endif
+#ifdef B153600
+    DATA(153600),
+#endif
 #ifdef B230400
     DATA(230400),
 #endif
+#ifdef B307200
+    DATA(307200),
+#endif
 #ifdef B460800
     DATA(460800),
 #endif
+#ifdef B500000
+    DATA(500000),
+#endif
+#ifdef B576000
+    DATA(576000),
+#endif
 #ifdef B921600
     DATA(921600),
 #endif
+#ifdef B1000000
+    DATA(1000000),
+#endif
+#ifdef B1152000
+    DATA(1152000),
+#endif
+#ifdef B1500000
+    DATA(1500000),
+#endif
+#ifdef B2000000
+    DATA(2000000),
+#endif
+#ifdef B2500000
+    DATA(2500000),
+#endif
+#ifdef B3000000
+    DATA(3000000),
+#endif
+#ifdef B3500000
+    DATA(3500000),
+#endif
+#ifdef B4000000
+    DATA(4000000),
+#endif
 #endif
 };
 
@@ -151,8 +197,11 @@ _nc_baudrate(int OSpeed)
 #endif
 
     int result = ERR;
-    unsigned i;
 
+    if (OSpeed < 0)
+	OSpeed = (NCURSES_OSPEED) OSpeed;
+    if (OSpeed < 0)
+	OSpeed = (unsigned short) OSpeed;
 #if !USE_REENTRANT
     if (OSpeed == last_OSpeed) {
 	result = last_baudrate;
@@ -160,9 +209,14 @@ _nc_baudrate(int OSpeed)
 #endif
     if (result == ERR) {
 	if (OSpeed >= 0) {
+	    unsigned i;
+
 	    for (i = 0; i < SIZEOF(speeds); i++) {
-		if (speeds[i].s == OSpeed) {
-		    result = speeds[i].sp;
+		if (speeds[i].given_speed > OSpeed) {
+		    break;
+		}
+		if (speeds[i].given_speed == OSpeed) {
+		    result = speeds[i].actual_speed;
 		    break;
 		}
 	    }
@@ -181,12 +235,13 @@ NCURSES_EXPORT(int)
 _nc_ospeed(int BaudRate)
 {
     int result = 1;
-    unsigned i;
 
     if (BaudRate >= 0) {
+	unsigned i;
+
 	for (i = 0; i < SIZEOF(speeds); i++) {
-	    if (speeds[i].sp == BaudRate) {
-		result = speeds[i].s;
+	    if (speeds[i].actual_speed == BaudRate) {
+		result = speeds[i].given_speed;
 		break;
 	    }
 	}
@@ -208,7 +263,7 @@ NCURSES_SP_NAME(baudrate) (NCURSES_SP_DCL0)
      */
 #ifdef TRACE
     if (IsValidTIScreen(SP_PARM)
-	&& !isatty(fileno(SP_PARM ? SP_PARM->_ofp : stdout))
+	&& !NC_ISATTY(fileno((SP_PARM && SP_PARM->_ofp) ? SP_PARM->_ofp : stdout))
 	&& getenv("BAUDRATE") != 0) {
 	int ret;
 	if ((ret = _nc_getenv_num("BAUDRATE")) <= 0)
diff --git a/ncurses/tinfo/lib_cur_term.c b/ncurses/tinfo/lib_cur_term.c
index eaaacbcbe51f..e5cd76bf22a5 100644
--- a/ncurses/tinfo/lib_cur_term.c
+++ b/ncurses/tinfo/lib_cur_term.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2016,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -39,10 +39,10 @@
 #include <curses.priv.h>
 #include <termcap.h>		/* ospeed */
 
-MODULE_ID("$Id: lib_cur_term.c,v 1.32 2013/10/28 00:10:27 tom Exp $")
+MODULE_ID("$Id: lib_cur_term.c,v 1.41 2017/06/17 22:21:35 tom Exp $")
 
 #undef CUR
-#define CUR termp->type.
+#define CUR TerminalType(termp).
 
 #if USE_REENTRANT
 
@@ -76,7 +76,7 @@ NCURSES_EXPORT_VAR(TERMINAL *) cur_term = 0;
 #endif
 
 NCURSES_EXPORT(TERMINAL *)
-NCURSES_SP_NAME(set_curterm) (NCURSES_SP_DCLx TERMINAL * termp)
+NCURSES_SP_NAME(set_curterm) (NCURSES_SP_DCLx TERMINAL *termp)
 {
     TERMINAL *oldterm;
 
@@ -95,16 +95,21 @@ NCURSES_SP_NAME(set_curterm) (NCURSES_SP_DCLx TERMINAL * termp)
 #ifdef USE_TERM_DRIVER
 	TERMINAL_CONTROL_BLOCK *TCB = (TERMINAL_CONTROL_BLOCK *) termp;
 	ospeed = (NCURSES_OSPEED) _nc_ospeed(termp->_baudrate);
-	if (TCB->drv->isTerminfo && termp->type.Strings) {
+	if (TCB->drv &&
+	    TCB->drv->isTerminfo &&
+	    TerminalType(termp).Strings) {
 	    PC = (char) ((pad_char != NULL) ? pad_char[0] : 0);
 	}
 	TCB->csp = SP_PARM;
 #else
 	ospeed = (NCURSES_OSPEED) _nc_ospeed(termp->_baudrate);
-	if (termp->type.Strings) {
+	if (TerminalType(termp).Strings) {
 	    PC = (char) ((pad_char != NULL) ? pad_char[0] : 0);
 	}
 #endif
+#if !USE_REENTRANT
+	save_ttytype(termp);
+#endif
     }
     _nc_unlock_global(curses);
 
@@ -114,14 +119,14 @@ NCURSES_SP_NAME(set_curterm) (NCURSES_SP_DCLx TERMINAL * termp)
 
 #if NCURSES_SP_FUNCS
 NCURSES_EXPORT(TERMINAL *)
-set_curterm(TERMINAL * termp)
+set_curterm(TERMINAL *termp)
 {
     return NCURSES_SP_NAME(set_curterm) (CURRENT_SCREEN, termp);
 }
 #endif
 
 NCURSES_EXPORT(int)
-NCURSES_SP_NAME(del_curterm) (NCURSES_SP_DCLx TERMINAL * termp)
+NCURSES_SP_NAME(del_curterm) (NCURSES_SP_DCLx TERMINAL *termp)
 {
     int rc = ERR;
 
@@ -139,7 +144,10 @@ NCURSES_SP_NAME(del_curterm) (NCURSES_SP_DCLx TERMINAL * termp)
 #endif
 	);
 
-	_nc_free_termtype(&(termp->type));
+#if NCURSES_EXT_NUMBERS
+	_nc_free_termtype(&termp->type);
+#endif
+	_nc_free_termtype2(&TerminalType(termp));
 	if (termp == cur)
 	    NCURSES_SP_NAME(set_curterm) (NCURSES_SP_ARGx 0);
 
@@ -151,7 +159,11 @@ NCURSES_SP_NAME(del_curterm) (NCURSES_SP_DCLx TERMINAL * termp)
 #endif
 #ifdef USE_TERM_DRIVER
 	if (TCB->drv)
-	    TCB->drv->release(TCB);
+	    TCB->drv->td_release(TCB);
+#endif
+#if NO_LEAKS
+	/* discard memory used in tgetent's cache for this terminal */
+	_nc_tgetent_leak(termp);
 #endif
 	free(termp);
 
@@ -162,9 +174,9 @@ NCURSES_SP_NAME(del_curterm) (NCURSES_SP_DCLx TERMINAL * termp)
 
 #if NCURSES_SP_FUNCS
 NCURSES_EXPORT(int)
-del_curterm(TERMINAL * termp)
+del_curterm(TERMINAL *termp)
 {
-    int rc = ERR;
+    int rc;
 
     _nc_lock_global(curses);
     rc = NCURSES_SP_NAME(del_curterm) (CURRENT_SCREEN, termp);
diff --git a/ncurses/tinfo/lib_data.c b/ncurses/tinfo/lib_data.c
index 06b6f88077e4..860c247f84f4 100644
--- a/ncurses/tinfo/lib_data.c
+++ b/ncurses/tinfo/lib_data.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2017,2018 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -42,7 +42,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_data.c,v 1.66 2013/08/24 17:28:24 tom Exp $")
+MODULE_ID("$Id: lib_data.c,v 1.79 2018/09/01 19:36:39 tom Exp $")
 
 /*
  * OS/2's native linker complains if we don't initialize public data when
@@ -94,7 +94,9 @@ _nc_screen(void)
 NCURSES_EXPORT(int)
 _nc_alloc_screen(void)
 {
-    return ((my_screen = _nc_alloc_screen_sp()) != 0);
+    my_screen = _nc_alloc_screen_sp();
+    T(("_nc_alloc_screen_sp %p", my_screen));
+    return (my_screen != 0);
 }
 
 NCURSES_EXPORT(void)
@@ -137,6 +139,8 @@ NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals = {
 
     0,				/* slk_format */
 
+    2048,			/* getstr_limit */
+
     NULL,			/* safeprint_buf */
     0,				/* safeprint_used */
 
@@ -150,6 +154,10 @@ NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals = {
     0,				/* dbd_time */
     { { 0, 0 } },		/* dbd_vars */
 
+#ifdef USE_TERM_DRIVER
+    0,				/* term_driver */
+#endif
+
 #ifndef USE_SP_WINDOWLIST
     0,				/* _nc_windowlist */
 #endif
@@ -163,15 +171,28 @@ NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals = {
     0,				/* safeprint_rows */
 #endif
 
-#ifdef USE_TERM_DRIVER
-    0,				/* term_driver */
+#ifdef USE_PTHREADS
+    PTHREAD_MUTEX_INITIALIZER,	/* mutex_curses */
+    PTHREAD_MUTEX_INITIALIZER,	/* mutex_prescreen */
+    PTHREAD_MUTEX_INITIALIZER,	/* mutex_screen */
+    PTHREAD_MUTEX_INITIALIZER,	/* mutex_update */
+    PTHREAD_MUTEX_INITIALIZER,	/* mutex_tst_tracef */
+    PTHREAD_MUTEX_INITIALIZER,	/* mutex_tracef */
+    0,				/* nested_tracef */
+    0,				/* use_pthreads */
+#if USE_PTHREADS_EINTR
+    0,				/* read_thread */
+#endif
+#endif
+#if USE_WIDEC_SUPPORT
+    CHARS_0s,			/* key_name */
 #endif
-
 #ifdef TRACE
-    FALSE,			/* init_trace */
+    FALSE,			/* trace_opened */
     CHARS_0s,			/* trace_fname */
     0,				/* trace_level */
     NULL,			/* trace_fp */
+    -1,				/* trace_fd */
 
     NULL,			/* tracearg_buf */
     0,				/* tracearg_used */
@@ -194,15 +215,8 @@ NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals = {
     0,				/* nested_tracef */
 #endif
 #endif /* TRACE */
-#ifdef USE_PTHREADS
-    PTHREAD_MUTEX_INITIALIZER,	/* mutex_curses */
-    PTHREAD_MUTEX_INITIALIZER,	/* mutex_tst_tracef */
-    PTHREAD_MUTEX_INITIALIZER,	/* mutex_tracef */
-    0,				/* nested_tracef */
-    0,				/* use_pthreads */
-#endif
-#if USE_PTHREADS_EINTR
-    0,				/* read_thread */
+#if NO_LEAKS
+    FALSE,			/* leak_checking */
 #endif
 };
 
@@ -214,17 +228,11 @@ NCURSES_EXPORT_VAR(NCURSES_GLOBALS) _nc_globals = {
 #define RIPOFF_0s	{ RIPOFF_0 }
 
 NCURSES_EXPORT_VAR(NCURSES_PRESCREEN) _nc_prescreen = {
+    NULL,			/* allocated */
     TRUE,			/* use_env */
     FALSE,			/* filter_mode */
     A_NORMAL,			/* previous_attr */
-#ifndef USE_SP_RIPOFF
-    RIPOFF_0s,			/* ripoff */
-    NULL,			/* rsp */
-#endif
     {				/* tparm_state */
-#ifdef TRACE
-	NULL,			/* tname */
-#endif
 	NULL,			/* tparam_base */
 
 	STACK_FRAME_0s,		/* stack */
@@ -239,12 +247,20 @@ NCURSES_EXPORT_VAR(NCURSES_PRESCREEN) _nc_prescreen = {
 
 	NUM_VARS_0s,		/* dynamic_var */
 	NUM_VARS_0s,		/* static_vars */
+#ifdef TRACE
+	NULL,			/* tname */
+#endif
     },
     NULL,			/* saved_tty */
+    FALSE,			/* use_tioctl */
+    0,				/* _outch */
+#ifndef USE_SP_RIPOFF
+    RIPOFF_0s,			/* ripoff */
+    NULL,			/* rsp */
+#endif
 #if NCURSES_NO_PADDING
     FALSE,			/* flag to set if padding disabled  */
 #endif
-    0,				/* _outch */
 #if BROKEN_LINKER || USE_REENTRANT
     NULL,			/* real_acs_map */
     0,				/* LINES */
@@ -252,12 +268,13 @@ NCURSES_EXPORT_VAR(NCURSES_PRESCREEN) _nc_prescreen = {
     8,				/* TABSIZE */
     1000,			/* ESCDELAY */
     0,				/* cur_term */
+#endif
 #ifdef TRACE
+#if BROKEN_LINKER || USE_REENTRANT
     0L,				/* _outchars */
     NULL,			/* _tputs_trace */
 #endif
 #endif
-    FALSE,			/* use_tioctl */
 };
 /* *INDENT-ON* */
 
@@ -287,6 +304,9 @@ init_global_mutexes(void)
     if (!initialized) {
 	initialized = TRUE;
 	_nc_mutex_init(&_nc_globals.mutex_curses);
+	_nc_mutex_init(&_nc_globals.mutex_prescreen);
+	_nc_mutex_init(&_nc_globals.mutex_screen);
+	_nc_mutex_init(&_nc_globals.mutex_update);
 	_nc_mutex_init(&_nc_globals.mutex_tst_tracef);
 	_nc_mutex_init(&_nc_globals.mutex_tracef);
     }
@@ -371,7 +391,7 @@ _nc_sigprocmask(int how, const sigset_t * newmask, sigset_t * oldmask)
     if ((pthread_sigmask))
 	return pthread_sigmask(how, newmask, oldmask);
     else
-	return sigprocmask(how, newmask, oldmask);
+	return (sigprocmask) (how, newmask, oldmask);
 }
 #endif
 #endif /* USE_PTHREADS */
diff --git a/ncurses/tinfo/lib_longname.c b/ncurses/tinfo/lib_longname.c
index 14903175b322..fa231b88def8 100644
--- a/ncurses/tinfo/lib_longname.c
+++ b/ncurses/tinfo/lib_longname.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2010,2015 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -42,7 +42,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_longname.c,v 1.12 2010/12/20 00:31:26 tom Exp $")
+MODULE_ID("$Id: lib_longname.c,v 1.13 2015/07/25 20:08:14 tom Exp $")
 
 #if USE_REENTRANT
 NCURSES_EXPORT(char *)
@@ -74,6 +74,17 @@ longname(void)
 #endif
 
 #else
+
+/* a dummy entrypoint is simpler than generating a conditional in curses.h */
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(char *)
+NCURSES_SP_NAME(longname) (NCURSES_SP_DCL0)
+{
+    (void) SP_PARM;
+    return longname();
+}
+#endif
+
 NCURSES_EXPORT(char *)
 longname(void)
 {
diff --git a/ncurses/tinfo/lib_napms.c b/ncurses/tinfo/lib_napms.c
index 36f1d25b8057..e1a0587028ed 100644
--- a/ncurses/tinfo/lib_napms.c
+++ b/ncurses/tinfo/lib_napms.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2014,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -51,7 +51,7 @@
 #endif
 #endif
 
-MODULE_ID("$Id: lib_napms.c,v 1.23 2012/06/30 22:08:24 tom Exp $")
+MODULE_ID("$Id: lib_napms.c,v 1.25 2017/07/01 21:05:56 tom Exp $")
 
 NCURSES_EXPORT(int)
 NCURSES_SP_NAME(napms) (NCURSES_SP_DCLx int ms)
@@ -59,9 +59,7 @@ NCURSES_SP_NAME(napms) (NCURSES_SP_DCLx int ms)
     T((T_CALLED("napms(%d)"), ms));
 
 #ifdef USE_TERM_DRIVER
-    if (HasTerminal(SP_PARM)) {
-	CallDriver_1(SP_PARM, nap, ms);
-    }
+    CallDriver_1(SP_PARM, td_nap, ms);
 #else /* !USE_TERM_DRIVER */
 #if NCURSES_SP_FUNCS
     (void) sp;
diff --git a/ncurses/tinfo/lib_options.c b/ncurses/tinfo/lib_options.c
index e1cda4ebb61a..826737bdd0ca 100644
--- a/ncurses/tinfo/lib_options.c
+++ b/ncurses/tinfo/lib_options.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2011,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2014,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -46,7 +46,7 @@
 #define CUR SP_TERMTYPE
 #endif
 
-MODULE_ID("$Id: lib_options.c,v 1.76 2013/12/14 22:23:58 tom Exp $")
+MODULE_ID("$Id: lib_options.c,v 1.80 2017/06/24 23:13:09 tom Exp $")
 
 NCURSES_EXPORT(int)
 idlok(WINDOW *win, bool flag)
@@ -87,7 +87,7 @@ NCURSES_SP_NAME(halfdelay) (NCURSES_SP_DCLx int t)
 {
     T((T_CALLED("halfdelay(%p,%d)"), (void *) SP_PARM, t));
 
-    if (t < 1 || t > 255 || !IsValidTIScreen(SP_PARM))
+    if (t < 1 || t > 255 || !SP_PARM || !IsValidTIScreen(SP_PARM))
 	returnCode(ERR);
 
     NCURSES_SP_NAME(cbreak) (NCURSES_SP_ARG);
@@ -196,11 +196,13 @@ NCURSES_SP_NAME(curs_set) (NCURSES_SP_DCLx int vis)
 
     if (SP_PARM != 0 && vis >= 0 && vis <= 2) {
 	int cursor = SP_PARM->_cursor;
-	bool bBuiltIn = !IsTermInfo(SP_PARM);
 	if (vis == cursor) {
 	    code = cursor;
 	} else {
-	    if (!bBuiltIn) {
+#ifdef USE_TERM_DRIVER
+	    code = CallDriver_1(SP_PARM, td_cursorSet, vis);
+#else
+	    if (IsValidTIScreen(SP_PARM)) {
 		switch (vis) {
 		case 2:
 		    code = NCURSES_PUTP2_FLUSH("cursor_visible",
@@ -215,8 +217,10 @@ NCURSES_SP_NAME(curs_set) (NCURSES_SP_DCLx int vis)
 					       cursor_invisible);
 		    break;
 		}
-	    } else
+	    } else {
 		code = ERR;
+	    }
+#endif
 	    if (code != ERR)
 		code = (cursor == -1 ? 1 : cursor);
 	    SP_PARM->_cursor = vis;
@@ -237,7 +241,7 @@ NCURSES_EXPORT(int)
 NCURSES_SP_NAME(typeahead) (NCURSES_SP_DCLx int fd)
 {
     T((T_CALLED("typeahead(%p, %d)"), (void *) SP_PARM, fd));
-    if (IsValidTIScreen(SP_PARM)) {
+    if (SP_PARM && IsValidTIScreen(SP_PARM)) {
 	SP_PARM->_checkfd = fd;
 	returnCode(OK);
     } else {
@@ -350,7 +354,7 @@ _nc_keypad(SCREEN *sp, int flag)
 #endif
 	{
 #ifdef USE_TERM_DRIVER
-	    rc = CallDriver_1(sp, kpad, flag);
+	    rc = CallDriver_1(sp, td_kpad, flag);
 	    if (rc == OK)
 		sp->_keypad_on = flag;
 #else
diff --git a/ncurses/tinfo/lib_print.c b/ncurses/tinfo/lib_print.c
index 0dab4d459115..280fdfc0bdf8 100644
--- a/ncurses/tinfo/lib_print.c
+++ b/ncurses/tinfo/lib_print.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2012,2018 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -39,7 +39,7 @@
 #define CUR SP_TERMTYPE
 #endif
 
-MODULE_ID("$Id: lib_print.c,v 1.23 2012/02/22 22:34:31 tom Exp $")
+MODULE_ID("$Id: lib_print.c,v 1.24 2018/06/24 00:06:37 tom Exp $")
 
 NCURSES_EXPORT(int)
 NCURSES_SP_NAME(mcprint) (NCURSES_SP_DCLx char *data, int len)
@@ -95,7 +95,7 @@ NCURSES_SP_NAME(mcprint) (NCURSES_SP_DCLx char *data, int len)
      * kernel will ship the contiguous clist items from the last write
      * immediately.
      */
-#ifndef __MINGW32__
+#ifndef _WIN32
     (void) sleep(0);
 #endif
     free(mybuf);
diff --git a/ncurses/tinfo/lib_raw.c b/ncurses/tinfo/lib_raw.c
index 928692b0cb27..173b3a36551a 100644
--- a/ncurses/tinfo/lib_raw.c
+++ b/ncurses/tinfo/lib_raw.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2016,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -49,7 +49,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_raw.c,v 1.21 2012/01/21 19:21:29 KO.Myung-Hun Exp $")
+MODULE_ID("$Id: lib_raw.c,v 1.23 2017/04/15 22:24:45 tom Exp $")
 
 #if HAVE_SYS_TERMIO_H
 #include <sys/termio.h>		/* needed for ISC */
@@ -112,8 +112,10 @@ NCURSES_SP_NAME(raw) (NCURSES_SP_DCL0)
 	    kbdinfo.fsMask |= KEYBOARD_BINARY_MODE;
 	    KbdSetStatus(&kbdinfo, 0);
 #endif
-	    SP_PARM->_raw = TRUE;
-	    SP_PARM->_cbreak = 1;
+	    if (SP_PARM) {
+		SP_PARM->_raw = TRUE;
+		SP_PARM->_cbreak = 1;
+	    }
 	    termp->Nttyb = buf;
 	}
 	AFTER("raw");
@@ -154,7 +156,9 @@ NCURSES_SP_NAME(cbreak) (NCURSES_SP_DCL0)
 #endif
 	result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
 	if (result == OK) {
-	    SP_PARM->_cbreak = 1;
+	    if (SP_PARM) {
+		SP_PARM->_cbreak = 1;
+	    }
 	    termp->Nttyb = buf;
 	}
 	AFTER("cbreak");
@@ -177,12 +181,12 @@ cbreak(void)
 NCURSES_EXPORT(void)
 NCURSES_SP_NAME(qiflush) (NCURSES_SP_DCL0)
 {
-    int result = ERR;
     TERMINAL *termp;
 
     T((T_CALLED("qiflush(%p)"), (void *) SP_PARM));
     if ((termp = TerminalOf(SP_PARM)) != 0) {
 	TTY buf;
+	int result;
 
 	BEFORE("qiflush");
 	buf = termp->Nttyb;
@@ -190,6 +194,7 @@ NCURSES_SP_NAME(qiflush) (NCURSES_SP_DCL0)
 	buf.c_lflag &= (unsigned) ~(NOFLSH);
 	result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
 #else
+	result = ERR;
 	/* FIXME */
 #endif
 	if (result == OK)
@@ -241,8 +246,10 @@ NCURSES_SP_NAME(noraw) (NCURSES_SP_DCL0)
 	    kbdinfo.fsMask |= KEYBOARD_ASCII_MODE;
 	    KbdSetStatus(&kbdinfo, 0);
 #endif
-	    SP_PARM->_raw = FALSE;
-	    SP_PARM->_cbreak = 0;
+	    if (SP_PARM) {
+		SP_PARM->_raw = FALSE;
+		SP_PARM->_cbreak = 0;
+	    }
 	    termp->Nttyb = buf;
 	}
 	AFTER("noraw");
@@ -280,7 +287,9 @@ NCURSES_SP_NAME(nocbreak) (NCURSES_SP_DCL0)
 #endif
 	result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
 	if (result == OK) {
-	    SP_PARM->_cbreak = 0;
+	    if (SP_PARM) {
+		SP_PARM->_cbreak = 0;
+	    }
 	    termp->Nttyb = buf;
 	}
 	AFTER("nocbreak");
@@ -299,12 +308,12 @@ nocbreak(void)
 NCURSES_EXPORT(void)
 NCURSES_SP_NAME(noqiflush) (NCURSES_SP_DCL0)
 {
-    int result = ERR;
     TERMINAL *termp;
 
     T((T_CALLED("noqiflush(%p)"), (void *) SP_PARM));
     if ((termp = TerminalOf(SP_PARM)) != 0) {
 	TTY buf;
+	int result;
 
 	BEFORE("noqiflush");
 	buf = termp->Nttyb;
@@ -313,6 +322,7 @@ NCURSES_SP_NAME(noqiflush) (NCURSES_SP_DCL0)
 	result = NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx &buf);
 #else
 	/* FIXME */
+	result = ERR;
 #endif
 	if (result == OK)
 	    termp->Nttyb = buf;
diff --git a/ncurses/tinfo/lib_setup.c b/ncurses/tinfo/lib_setup.c
index 946342da41db..04ce4e465f32 100644
--- a/ncurses/tinfo/lib_setup.c
+++ b/ncurses/tinfo/lib_setup.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -48,7 +48,7 @@
 #include <locale.h>
 #endif
 
-MODULE_ID("$Id: lib_setup.c,v 1.158 2013/06/22 19:59:08 tom Exp $")
+MODULE_ID("$Id: lib_setup.c,v 1.206 2019/11/03 00:07:45 tom Exp $")
 
 /****************************************************************************
  *
@@ -98,7 +98,7 @@ MODULE_ID("$Id: lib_setup.c,v 1.158 2013/06/22 19:59:08 tom Exp $")
  * Reduce explicit use of "cur_term" global variable.
  */
 #undef CUR
-#define CUR termp->type.
+#define CUR TerminalType(termp).
 
 /*
  * Wrap global variables in this module.
@@ -115,12 +115,12 @@ NCURSES_PUBLIC_VAR(ttytype) (void)
     if (CURRENT_SCREEN) {
 	TERMINAL *termp = TerminalOf(CURRENT_SCREEN);
 	if (termp != 0) {
-	    result = termp->type.term_names;
+	    result = TerminalType(termp).term_names;
 	}
     }
 #else
     if (cur_term != 0) {
-	result = cur_term->type.term_names;
+	result = TerminalType(cur_term).term_names;
     }
 #endif
     return result;
@@ -173,16 +173,20 @@ NCURSES_EXPORT(int)
 NCURSES_SP_NAME(set_tabsize) (NCURSES_SP_DCLx int value)
 {
     int code = OK;
-#if USE_REENTRANT
-    if (SP_PARM) {
-	SP_PARM->_TABSIZE = value;
-    } else {
+    if (value <= 0) {
 	code = ERR;
-    }
+    } else {
+#if USE_REENTRANT
+	if (SP_PARM) {
+	    SP_PARM->_TABSIZE = value;
+	} else {
+	    code = ERR;
+	}
 #else
-    (void) SP_PARM;
-    TABSIZE = value;
+	(void) SP_PARM;
+	TABSIZE = value;
 #endif
+    }
     return code;
 }
 
@@ -220,9 +224,9 @@ _nc_handle_sigwinch(SCREEN *sp)
 NCURSES_EXPORT(void)
 NCURSES_SP_NAME(use_env) (NCURSES_SP_DCLx bool f)
 {
+    START_TRACE();
     T((T_CALLED("use_env(%p,%d)"), (void *) SP_PARM, (int) f));
 #if NCURSES_SP_FUNCS
-    START_TRACE();
     if (IsPreScreen(SP_PARM)) {
 	SP_PARM->_use_env = f;
     }
@@ -235,11 +239,11 @@ NCURSES_SP_NAME(use_env) (NCURSES_SP_DCLx bool f)
 NCURSES_EXPORT(void)
 NCURSES_SP_NAME(use_tioctl) (NCURSES_SP_DCLx bool f)
 {
+    START_TRACE();
     T((T_CALLED("use_tioctl(%p,%d)"), (void *) SP_PARM, (int) f));
 #if NCURSES_SP_FUNCS
-    START_TRACE();
     if (IsPreScreen(SP_PARM)) {
-	SP_PARM->_use_tioctl = f;
+	SP_PARM->use_tioctl = f;
     }
 #else
     _nc_prescreen.use_tioctl = f;
@@ -251,8 +255,8 @@ NCURSES_SP_NAME(use_tioctl) (NCURSES_SP_DCLx bool f)
 NCURSES_EXPORT(void)
 use_env(bool f)
 {
-    T((T_CALLED("use_env(%d)"), (int) f));
     START_TRACE();
+    T((T_CALLED("use_env(%d)"), (int) f));
     _nc_prescreen.use_env = f;
     returnVoid;
 }
@@ -260,8 +264,8 @@ use_env(bool f)
 NCURSES_EXPORT(void)
 use_tioctl(bool f)
 {
-    T((T_CALLED("use_tioctl(%d)"), (int) f));
     START_TRACE();
+    T((T_CALLED("use_tioctl(%d)"), (int) f));
     _nc_prescreen.use_tioctl = f;
     returnVoid;
 }
@@ -270,7 +274,7 @@ use_tioctl(bool f)
 NCURSES_EXPORT(void)
 _nc_get_screensize(SCREEN *sp,
 #ifdef USE_TERM_DRIVER
-		   TERMINAL * termp,
+		   TERMINAL *termp,
 #endif
 		   int *linep, int *colp)
 /* Obtain lines/columns values from the environment and/or terminfo entry */
@@ -283,7 +287,7 @@ _nc_get_screensize(SCREEN *sp,
     TCB = (TERMINAL_CONTROL_BLOCK *) termp;
 
     my_tabsize = TCB->info.tabsize;
-    TCB->drv->size(TCB, linep, colp);
+    TCB->drv->td_size(TCB, linep, colp);
 
 #if USE_REENTRANT
     if (sp != 0) {
@@ -297,6 +301,8 @@ _nc_get_screensize(SCREEN *sp,
 #else /* !USE_TERM_DRIVER */
     TERMINAL *termp = cur_term;
     int my_tabsize;
+    bool useEnv = _nc_prescreen.use_env;
+    bool useTioctl = _nc_prescreen.use_tioctl;
 
     /* figure out the size of the screen */
     T(("screen size: terminfo lines = %d columns = %d", lines, columns));
@@ -304,9 +310,14 @@ _nc_get_screensize(SCREEN *sp,
     *linep = (int) lines;
     *colp = (int) columns;
 
-    if (_nc_prescreen.use_env || _nc_prescreen.use_tioctl) {
-	int value;
+#if NCURSES_SP_FUNCS
+    if (sp) {
+	useEnv = sp->_use_env;
+	useTioctl = sp->use_tioctl;
+    }
+#endif
 
+    if (useEnv || useTioctl) {
 #ifdef __EMX__
 	{
 	    int screendata[2];
@@ -321,7 +332,7 @@ _nc_get_screensize(SCREEN *sp,
 #endif
 #if HAVE_SIZECHANGE
 	/* try asking the OS */
-	if (isatty(cur_term->Filedes)) {
+	if (NC_ISATTY(cur_term->Filedes)) {
 	    STRUCT_WINSIZE size;
 
 	    errno = 0;
@@ -340,8 +351,10 @@ _nc_get_screensize(SCREEN *sp,
 	}
 #endif /* HAVE_SIZECHANGE */
 
-	if (_nc_prescreen.use_env) {
-	    if (_nc_prescreen.use_tioctl) {
+	if (useEnv) {
+	    int value;
+
+	    if (useTioctl) {
 		/*
 		 * If environment variables are used, update them.
 		 */
@@ -389,8 +402,14 @@ _nc_get_screensize(SCREEN *sp,
 	 * Put the derived values back in the screen-size caps, so
 	 * tigetnum() and tgetnum() will do the right thing.
 	 */
-	lines = (short) (*linep);
-	columns = (short) (*colp);
+	lines = (NCURSES_INT2) (*linep);
+	columns = (NCURSES_INT2) (*colp);
+#if NCURSES_EXT_NUMBERS
+#define OldNumber(termp,name) \
+	(termp)->type.Numbers[(&name - (termp)->type2.Numbers)]
+	OldNumber(termp, lines) = (short) (*linep);
+	OldNumber(termp, columns) = (short) (*colp);
+#endif
     }
 
     T(("screen size is %dx%d", *linep, *colp));
@@ -423,7 +442,7 @@ _nc_update_screensize(SCREEN *sp)
 
     assert(sp != 0);
 
-    CallDriver_2(sp, getsize, &old_lines, &old_cols);
+    CallDriver_2(sp, td_getsize, &old_lines, &old_cols);
 
 #else
     TERMINAL *termp = cur_term;
@@ -431,23 +450,24 @@ _nc_update_screensize(SCREEN *sp)
     int old_cols = columns;
 #endif
 
-    TINFO_GET_SIZE(sp, sp->_term, &new_lines, &new_cols);
-
-    /*
-     * See is_term_resized() and resizeterm().
-     * We're doing it this way because those functions belong to the upper
-     * ncurses library, while this resides in the lower terminfo library.
-     */
-    if (sp != 0 && sp->_resize != 0) {
-	if ((new_lines != old_lines) || (new_cols != old_cols)) {
-	    sp->_resize(NCURSES_SP_ARGx new_lines, new_cols);
-	} else if (sp->_sig_winch && (sp->_ungetch != 0)) {
-	    sp->_ungetch(SP_PARM, KEY_RESIZE);	/* so application can know this */
+    if (sp != 0) {
+	TINFO_GET_SIZE(sp, sp->_term, &new_lines, &new_cols);
+	/*
+	 * See is_term_resized() and resizeterm().
+	 * We're doing it this way because those functions belong to the upper
+	 * ncurses library, while this resides in the lower terminfo library.
+	 */
+	if (sp->_resize != 0) {
+	    if ((new_lines != old_lines) || (new_cols != old_cols)) {
+		sp->_resize(NCURSES_SP_ARGx new_lines, new_cols);
+	    } else if (sp->_sig_winch && (sp->_ungetch != 0)) {
+		sp->_ungetch(SP_PARM, KEY_RESIZE);	/* so application can know this */
+	    }
+	    sp->_sig_winch = FALSE;
 	}
-	sp->_sig_winch = FALSE;
     }
 }
-#endif
+#endif /* USE_SIZECHANGE */
 
 /****************************************************************************
  *
@@ -461,10 +481,10 @@ _nc_update_screensize(SCREEN *sp)
  * just like tgetent().
  */
 int
-_nc_setup_tinfo(const char *const tn, TERMTYPE *const tp)
+_nc_setup_tinfo(const char *const tn, TERMTYPE2 *const tp)
 {
     char filename[PATH_MAX];
-    int status = _nc_read_entry(tn, filename, tp);
+    int status = _nc_read_entry2(tn, filename, tp);
 
     /*
      * If we have an entry, force all of the cancelled strings to null
@@ -492,10 +512,8 @@ _nc_setup_tinfo(const char *const tn, TERMTYPE *const tp)
 **	and substitute it in for the prototype given in 'command_character'.
 */
 void
-_nc_tinfo_cmdch(TERMINAL * termp, int proto)
+_nc_tinfo_cmdch(TERMINAL *termp, int proto)
 {
-    unsigned i;
-    char CC;
     char *tmp;
 
     /*
@@ -504,7 +522,9 @@ _nc_tinfo_cmdch(TERMINAL * termp, int proto)
      * name as an environment variable - using the same symbol.
      */
     if ((tmp = getenv("CC")) != 0 && strlen(tmp) == 1) {
-	CC = *tmp;
+	unsigned i;
+	char CC = *tmp;
+
 	for_each_string(i, &(termp->type)) {
 	    for (tmp = termp->type.Strings[i]; tmp && *tmp; tmp++) {
 		if (UChar(*tmp) == proto)
@@ -528,9 +548,9 @@ _nc_get_locale(void)
      */
     env = setlocale(LC_CTYPE, 0);
 #else
-    if (((env = getenv("LC_ALL")) != 0 && *env != '\0')
+    if (((env = getenv("LANG")) != 0 && *env != '\0')
 	|| ((env = getenv("LC_CTYPE")) != 0 && *env != '\0')
-	|| ((env = getenv("LANG")) != 0 && *env != '\0')) {
+	|| ((env = getenv("LC_ALL")) != 0 && *env != '\0')) {
 	;
     }
 #endif
@@ -545,7 +565,7 @@ NCURSES_EXPORT(int)
 _nc_unicode_locale(void)
 {
     int result = 0;
-#if defined(__MINGW32__) && USE_WIDEC_SUPPORT
+#if defined(_WIN32) && USE_WIDEC_SUPPORT
     result = 1;
 #elif HAVE_LANGINFO_CODESET
     char *env = nl_langinfo(CODESET);
@@ -571,13 +591,14 @@ _nc_unicode_locale(void)
  * character set.
  */
 NCURSES_EXPORT(int)
-_nc_locale_breaks_acs(TERMINAL * termp)
+_nc_locale_breaks_acs(TERMINAL *termp)
 {
     const char *env_name = "NCURSES_NO_UTF8_ACS";
-    char *env;
+    const char *env;
     int value;
     int result = 0;
 
+    T((T_CALLED("_nc_locale_breaks_acs:%d"), result));
     if (getenv(env_name) != 0) {
 	result = _nc_getenv_num(env_name);
     } else if ((value = tigetnum("U8")) >= 0) {
@@ -597,23 +618,22 @@ _nc_locale_breaks_acs(TERMINAL * termp)
 	    }
 	}
     }
-    return result;
+    returnCode(result);
 }
 
 NCURSES_EXPORT(int)
-TINFO_SETUP_TERM(TERMINAL ** tp,
-		 NCURSES_CONST char *tname,
+TINFO_SETUP_TERM(TERMINAL **tp,
+		 const char *tname,
 		 int Filedes,
 		 int *errret,
 		 int reuse)
 {
 #ifdef USE_TERM_DRIVER
     TERMINAL_CONTROL_BLOCK *TCB = 0;
-#else
-    int status;
 #endif
     TERMINAL *termp;
     SCREEN *sp = 0;
+    char *myname;
     int code = ERR;
 
     START_TRACE();
@@ -642,20 +662,22 @@ TINFO_SETUP_TERM(TERMINAL ** tp,
 #endif
 	}
     }
+    myname = strdup(tname);
 
-    if (strlen(tname) > MAX_NAME_SIZE) {
+    if (strlen(myname) > MAX_NAME_SIZE) {
 	ret_error(TGETENT_ERR,
 		  "TERM environment must be <= %d characters.\n",
-		  MAX_NAME_SIZE);
+		  MAX_NAME_SIZE,
+		  free(myname));
     }
 
-    T(("your terminal name is %s", tname));
+    T(("your terminal name is %s", myname));
 
     /*
      * Allow output redirection.  This is what SVr3 does.  If stdout is
      * directed to a file, screen updates go to standard error.
      */
-    if (Filedes == STDOUT_FILENO && !isatty(Filedes))
+    if (Filedes == STDOUT_FILENO && !NC_ISATTY(Filedes))
 	Filedes = STDERR_FILENO;
 
     /*
@@ -678,8 +700,8 @@ TINFO_SETUP_TERM(TERMINAL ** tp,
 	&& (termp != 0)
 	&& termp->Filedes == Filedes
 	&& termp->_termname != 0
-	&& !strcmp(termp->_termname, tname)
-	&& _nc_name_match(termp->type.term_names, tname, "|")) {
+	&& !strcmp(termp->_termname, myname)
+	&& _nc_name_match(TerminalType(termp).term_names, myname, "|")) {
 	T(("reusing existing terminal information and mode-settings"));
 	code = OK;
 #ifdef USE_TERM_DRIVER
@@ -688,39 +710,65 @@ TINFO_SETUP_TERM(TERMINAL ** tp,
     } else {
 #ifdef USE_TERM_DRIVER
 	TERMINAL_CONTROL_BLOCK *my_tcb;
-	my_tcb = typeCalloc(TERMINAL_CONTROL_BLOCK, 1);
-	termp = &(my_tcb->term);
+	termp = 0;
+	if ((my_tcb = typeCalloc(TERMINAL_CONTROL_BLOCK, 1)) != 0)
+	    termp = &(my_tcb->term);
 #else
+	int status;
+
 	termp = typeCalloc(TERMINAL, 1);
 #endif
 	if (termp == 0) {
-	    ret_error0(TGETENT_ERR,
-		       "Not enough memory to create terminal structure.\n");
+	    ret_error1(TGETENT_ERR,
+		       "Not enough memory to create terminal structure.\n",
+		       myname, free(myname));
 	}
+#if HAVE_SYSCONF
+	{
+	    long limit;
+#ifdef LINE_MAX
+	    limit = LINE_MAX;
+#else
+	    limit = _nc_globals.getstr_limit;
+#endif
+#ifdef _SC_LINE_MAX
+	    if (limit < sysconf(_SC_LINE_MAX))
+		limit = sysconf(_SC_LINE_MAX);
+#endif
+	    if (_nc_globals.getstr_limit < (int) limit)
+		_nc_globals.getstr_limit = (int) limit;
+	}
+#endif /* HAVE_SYSCONF */
+	T(("using %d for getstr limit", _nc_globals.getstr_limit));
+
 #ifdef USE_TERM_DRIVER
 	INIT_TERM_DRIVER();
 	TCB = (TERMINAL_CONTROL_BLOCK *) termp;
-	code = _nc_globals.term_driver(TCB, tname, errret);
+	code = _nc_globals.term_driver(TCB, myname, errret);
 	if (code == OK) {
 	    termp->Filedes = (short) Filedes;
-	    termp->_termname = strdup(tname);
+	    termp->_termname = strdup(myname);
 	} else {
-	    ret_error0(TGETENT_ERR,
-		       "Could not find any driver to handle this terminal.\n");
+	    ret_error1(errret ? *errret : TGETENT_ERR,
+		       "Could not find any driver to handle terminal.\n",
+		       myname, free(myname));
 	}
 #else
 #if NCURSES_USE_DATABASE || NCURSES_USE_TERMCAP
-	status = _nc_setup_tinfo(tname, &termp->type);
+	status = _nc_setup_tinfo(myname, &TerminalType(termp));
+	T(("_nc_setup_tinfo returns %d", status));
 #else
+	T(("no database available"));
 	status = TGETENT_NO;
 #endif
 
 	/* try fallback list if entry on disk */
 	if (status != TGETENT_YES) {
-	    const TERMTYPE *fallback = _nc_fallback(tname);
+	    const TERMTYPE2 *fallback = _nc_fallback2(myname);
 
 	    if (fallback) {
-		_nc_copy_termtype(&(termp->type), fallback);
+		T(("found fallback entry"));
+		_nc_copy_termtype2(&(TerminalType(termp)), fallback);
 		status = TGETENT_YES;
 	    }
 	}
@@ -728,18 +776,24 @@ TINFO_SETUP_TERM(TERMINAL ** tp,
 	if (status != TGETENT_YES) {
 	    del_curterm(termp);
 	    if (status == TGETENT_ERR) {
+		free(myname);
 		ret_error0(status, "terminals database is inaccessible\n");
 	    } else if (status == TGETENT_NO) {
-		ret_error1(status, "unknown terminal type.\n", tname);
+		ret_error1(status, "unknown terminal type.\n",
+			   myname, free(myname));
+	    } else {
+		ret_error0(status, "unexpected return-code\n");
 	    }
 	}
+#if NCURSES_EXT_NUMBERS
+	_nc_export_termtype2(&termp->type, &TerminalType(termp));
+#endif
 #if !USE_REENTRANT
-	strncpy(ttytype, termp->type.term_names, (size_t) (NAMESIZE - 1));
-	ttytype[NAMESIZE - 1] = '\0';
+	save_ttytype(termp);
 #endif
 
 	termp->Filedes = (short) Filedes;
-	termp->_termname = strdup(tname);
+	termp->_termname = strdup(myname);
 
 	set_curterm(termp);
 
@@ -750,10 +804,11 @@ TINFO_SETUP_TERM(TERMINAL ** tp,
 	 * If an application calls setupterm() rather than initscr() or
 	 * newterm(), we will not have the def_prog_mode() call in
 	 * _nc_setupscreen().  Do it now anyway, so we can initialize the
-	 * baudrate.
+	 * baudrate.  Also get the shell-mode so that erasechar() works.
 	 */
-	if (isatty(Filedes)) {
-	    def_prog_mode();
+	if (NC_ISATTY(Filedes)) {
+	    NCURSES_SP_NAME(def_shell_mode) (NCURSES_SP_ARG);
+	    NCURSES_SP_NAME(def_prog_mode) (NCURSES_SP_ARG);
 	    baudrate();
 	}
 	code = OK;
@@ -763,7 +818,7 @@ TINFO_SETUP_TERM(TERMINAL ** tp,
 #ifdef USE_TERM_DRIVER
     *tp = termp;
     NCURSES_SP_NAME(set_curterm) (sp, termp);
-    TCB->drv->init(TCB);
+    TCB->drv->td_init(TCB);
 #else
     sp = SP;
 #endif
@@ -785,36 +840,97 @@ TINFO_SETUP_TERM(TERMINAL ** tp,
 	if ((VALID_STRING(cursor_address)
 	     || (VALID_STRING(cursor_down) && VALID_STRING(cursor_home)))
 	    && VALID_STRING(clear_screen)) {
-	    ret_error1(TGETENT_YES, "terminal is not really generic.\n", tname);
+	    ret_error1(TGETENT_YES, "terminal is not really generic.\n",
+		       myname, free(myname));
 	} else {
 	    del_curterm(termp);
-	    ret_error1(TGETENT_NO, "I need something more specific.\n", tname);
+	    ret_error1(TGETENT_NO, "I need something more specific.\n",
+		       myname, free(myname));
 	}
     } else if (hard_copy) {
-	ret_error1(TGETENT_YES, "I can't handle hardcopy terminals.\n", tname);
+	ret_error1(TGETENT_YES, "I can't handle hardcopy terminals.\n",
+		   myname, free(myname));
     }
 #endif
+    free(myname);
     returnCode(code);
 }
 
+#ifdef USE_PTHREADS
+/*
+ * Returns a non-null pointer unless a new screen should be allocated because
+ * no match was found in the pre-screen cache.
+ */
+NCURSES_EXPORT(SCREEN *)
+_nc_find_prescr(void)
+{
+    SCREEN *result = 0;
+    PRESCREEN_LIST *p;
+    pthread_t id = GetThreadID();
+    for (p = _nc_prescreen.allocated; p != 0; p = p->next) {
+	if (p->id == id) {
+	    result = p->sp;
+	    break;
+	}
+    }
+    return result;
+}
+
+/*
+ * Tells ncurses to forget that this thread was associated with the pre-screen
+ * cache.  It does not modify the pre-screen cache itself, since that is used
+ * for creating new screens.
+ */
+NCURSES_EXPORT(void)
+_nc_forget_prescr(void)
+{
+    PRESCREEN_LIST *p, *q;
+    pthread_t id = GetThreadID();
+    for (p = _nc_prescreen.allocated, q = 0; p != 0; q = p, p = p->next) {
+	if (p->id == id) {
+	    if (q) {
+		q->next = p->next;
+	    } else {
+		_nc_prescreen.allocated = p->next;
+	    }
+	    free(p);
+	    break;
+	}
+    }
+}
+#endif /* USE_PTHREADS */
+
 #if NCURSES_SP_FUNCS
 /*
  * In case of handling multiple screens, we need to have a screen before
- * initialization in setupscreen takes place.  This is to extend the substitute
- * for some of the stuff in _nc_prescreen, especially for slk and ripoff
- * handling which should be done per screen.
+ * initialization in _nc_setupscreen takes place.  This is to extend the
+ * substitute for some of the stuff in _nc_prescreen, especially for slk and
+ * ripoff handling which should be done per screen.
  */
 NCURSES_EXPORT(SCREEN *)
 new_prescr(void)
 {
-    static SCREEN *sp;
+    SCREEN *sp;
 
     START_TRACE();
     T((T_CALLED("new_prescr()")));
 
-    if (sp == 0) {
+    _nc_lock_global(screen);
+    if ((sp = _nc_find_prescr()) == 0) {
 	sp = _nc_alloc_screen_sp();
+	T(("_nc_alloc_screen_sp %p", (void *) sp));
 	if (sp != 0) {
+#ifdef USE_PTHREADS
+	    PRESCREEN_LIST *p = typeCalloc(PRESCREEN_LIST, 1);
+	    if (p != 0) {
+		p->id = GetThreadID();
+		p->sp = sp;
+		p->next = _nc_prescreen.allocated;
+		_nc_prescreen.allocated = p;
+	    }
+#else
+	    _nc_prescreen.allocated = sp;
+#endif
 	    sp->rsp = sp->rippedoff;
 	    sp->_filtered = _nc_prescreen.filter_mode;
 	    sp->_use_env = _nc_prescreen.use_env;
@@ -830,7 +946,10 @@ new_prescr(void)
 	    sp->_ESCDELAY = _nc_prescreen._ESCDELAY;
 #endif
 	}
+    } else {
+	T(("_nc_alloc_screen_sp %p (reuse)", (void *) sp));
     }
+    _nc_unlock_global(screen);
     returnSP(sp);
 }
 #endif
@@ -841,17 +960,24 @@ new_prescr(void)
  * the same TERMINAL data (see comment).
  */
 NCURSES_EXPORT(int)
-_nc_setupterm(NCURSES_CONST char *tname,
+_nc_setupterm(const char *tname,
 	      int Filedes,
 	      int *errret,
 	      int reuse)
 {
-    int res;
+    int rc = ERR;
     TERMINAL *termp = 0;
-    res = TINFO_SETUP_TERM(&termp, tname, Filedes, errret, reuse);
-    if (ERR != res)
-	NCURSES_SP_NAME(set_curterm) (CURRENT_SCREEN_PRE, termp);
-    return res;
+
+    _nc_lock_global(prescreen);
+    START_TRACE();
+    if (TINFO_SETUP_TERM(&termp, tname, Filedes, errret, reuse) == OK) {
+	_nc_forget_prescr();
+	if (NCURSES_SP_NAME(set_curterm) (CURRENT_SCREEN_PRE, termp) != 0) {
+	    rc = OK;
+	}
+    }
+    _nc_unlock_global(prescreen);
+    return rc;
 }
 #endif
 
@@ -862,7 +988,8 @@ _nc_setupterm(NCURSES_CONST char *tname,
  *	Make cur_term point to the structure.
  */
 NCURSES_EXPORT(int)
-setupterm(NCURSES_CONST char *tname, int Filedes, int *errret)
+setupterm(const char *tname, int Filedes, int *errret)
 {
+    START_TRACE();
     return _nc_setupterm(tname, Filedes, errret, FALSE);
 }
diff --git a/ncurses/tinfo/lib_termcap.c b/ncurses/tinfo/lib_termcap.c
index fdfc4946ec72..07d73b689726 100644
--- a/ncurses/tinfo/lib_termcap.c
+++ b/ncurses/tinfo/lib_termcap.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2017,2018 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -48,7 +48,7 @@
 #define CUR SP_TERMTYPE
 #endif
 
-MODULE_ID("$Id: lib_termcap.c,v 1.80 2013/06/08 16:48:47 tom Exp $")
+MODULE_ID("$Id: lib_termcap.c,v 1.87 2018/04/07 21:11:15 tom Exp $")
 
 NCURSES_EXPORT_VAR(char *) UP = 0;
 NCURSES_EXPORT_VAR(char *) BC = 0;
@@ -100,8 +100,7 @@ NCURSES_SP_NAME(tgetent) (NCURSES_SP_DCLx char *bufp, const char *name)
     START_TRACE();
     T((T_CALLED("tgetent()")));
 
-    TINFO_SETUP_TERM(&termp, (NCURSES_CONST char *) name,
-		     STDOUT_FILENO, &rc, TRUE);
+    TINFO_SETUP_TERM(&termp, name, STDOUT_FILENO, &rc, TRUE);
 
 #ifdef USE_TERM_DRIVER
     if (termp == 0 ||
@@ -153,8 +152,12 @@ NCURSES_SP_NAME(tgetent) (NCURSES_SP_DCLx char *bufp, const char *name)
 	}
 	CacheInx = best;
     }
-    LAST_TRM = TerminalOf(SP_PARM);
-    LAST_SEQ = ++CacheSeq;
+    if (rc == 1) {
+	LAST_TRM = TerminalOf(SP_PARM);
+	LAST_SEQ = ++CacheSeq;
+    } else {
+	LAST_TRM = 0;
+    }
 
     PC = 0;
     UP = 0;
@@ -175,7 +178,8 @@ NCURSES_SP_NAME(tgetent) (NCURSES_SP_DCLx char *bufp, const char *name)
 	if (backspace_if_not_bs != NULL)
 	    BC = backspace_if_not_bs;
 
-	if ((FIX_SGR0 = _nc_trim_sgr0(&(TerminalOf(SP_PARM)->type))) != 0) {
+	if ((FIX_SGR0 = _nc_trim_sgr0(&TerminalType(TerminalOf(SP_PARM))))
+	    != 0) {
 	    if (!strcmp(FIX_SGR0, exit_attribute_mode)) {
 		if (FIX_SGR0 != exit_attribute_mode) {
 		    free(FIX_SGR0);
@@ -230,15 +234,15 @@ same_tcname(const char *a, const char *b)
  ***************************************************************************/
 
 NCURSES_EXPORT(int)
-NCURSES_SP_NAME(tgetflag) (NCURSES_SP_DCLx NCURSES_CONST char *id)
+NCURSES_SP_NAME(tgetflag) (NCURSES_SP_DCLx const char *id)
 {
     int result = 0;		/* Solaris returns zero for missing flag */
-    int j = -1;
 
     T((T_CALLED("tgetflag(%p, %s)"), (void *) SP_PARM, id));
     if (HasTInfoTerminal(SP_PARM) && ValidCap(id)) {
-	TERMTYPE *tp = &(TerminalOf(SP_PARM)->type);
+	TERMTYPE2 *tp = &TerminalType(TerminalOf(SP_PARM));
 	struct name_table_entry const *entry_ptr;
+	int j = -1;
 
 	entry_ptr = _nc_find_type_entry(id, BOOLEAN, TRUE);
 	if (entry_ptr != 0) {
@@ -266,7 +270,7 @@ NCURSES_SP_NAME(tgetflag) (NCURSES_SP_DCLx NCURSES_CONST char *id)
 
 #if NCURSES_SP_FUNCS
 NCURSES_EXPORT(int)
-tgetflag(NCURSES_CONST char *id)
+tgetflag(const char *id)
 {
     return NCURSES_SP_NAME(tgetflag) (CURRENT_SCREEN, id);
 }
@@ -282,15 +286,15 @@ tgetflag(NCURSES_CONST char *id)
  ***************************************************************************/
 
 NCURSES_EXPORT(int)
-NCURSES_SP_NAME(tgetnum) (NCURSES_SP_DCLx NCURSES_CONST char *id)
+NCURSES_SP_NAME(tgetnum) (NCURSES_SP_DCLx const char *id)
 {
     int result = ABSENT_NUMERIC;
-    int j = -1;
 
     T((T_CALLED("tgetnum(%p, %s)"), (void *) SP_PARM, id));
     if (HasTInfoTerminal(SP_PARM) && ValidCap(id)) {
-	TERMTYPE *tp = &(TerminalOf(SP_PARM)->type);
+	TERMTYPE2 *tp = &TerminalType(TerminalOf(SP_PARM));
 	struct name_table_entry const *entry_ptr;
+	int j = -1;
 
 	entry_ptr = _nc_find_type_entry(id, NUMBER, TRUE);
 	if (entry_ptr != 0) {
@@ -318,7 +322,7 @@ NCURSES_SP_NAME(tgetnum) (NCURSES_SP_DCLx NCURSES_CONST char *id)
 
 #if NCURSES_SP_FUNCS
 NCURSES_EXPORT(int)
-tgetnum(NCURSES_CONST char *id)
+tgetnum(const char *id)
 {
     return NCURSES_SP_NAME(tgetnum) (CURRENT_SCREEN, id);
 }
@@ -334,15 +338,15 @@ tgetnum(NCURSES_CONST char *id)
  ***************************************************************************/
 
 NCURSES_EXPORT(char *)
-NCURSES_SP_NAME(tgetstr) (NCURSES_SP_DCLx NCURSES_CONST char *id, char **area)
+NCURSES_SP_NAME(tgetstr) (NCURSES_SP_DCLx const char *id, char **area)
 {
     char *result = NULL;
-    int j = -1;
 
     T((T_CALLED("tgetstr(%s,%p)"), id, (void *) area));
     if (HasTInfoTerminal(SP_PARM) && ValidCap(id)) {
-	TERMTYPE *tp = &(TerminalOf(SP_PARM)->type);
+	TERMTYPE2 *tp = &TerminalType(TerminalOf(SP_PARM));
 	struct name_table_entry const *entry_ptr;
+	int j = -1;
 
 	entry_ptr = _nc_find_type_entry(id, STRING, TRUE);
 	if (entry_ptr != 0) {
@@ -384,20 +388,41 @@ NCURSES_SP_NAME(tgetstr) (NCURSES_SP_DCLx NCURSES_CONST char *id, char **area)
 
 #if NCURSES_SP_FUNCS
 NCURSES_EXPORT(char *)
-tgetstr(NCURSES_CONST char *id, char **area)
+tgetstr(const char *id, char **area)
 {
     return NCURSES_SP_NAME(tgetstr) (CURRENT_SCREEN, id, area);
 }
 #endif
 
 #if NO_LEAKS
+#undef CacheInx
+#define CacheInx num
+NCURSES_EXPORT(void)
+_nc_tgetent_leak(TERMINAL *termp)
+{
+    if (termp != 0) {
+	int num;
+	for (CacheInx = 0; CacheInx < TGETENT_MAX; ++CacheInx) {
+	    if (LAST_TRM == termp) {
+		FreeAndNull(FIX_SGR0);
+		if (LAST_TRM != 0) {
+		    LAST_TRM = 0;
+		}
+		break;
+	    }
+	}
+    }
+}
+
 NCURSES_EXPORT(void)
 _nc_tgetent_leaks(void)
 {
+    int num;
     for (CacheInx = 0; CacheInx < TGETENT_MAX; ++CacheInx) {
-	FreeIfNeeded(FIX_SGR0);
-	if (LAST_TRM != 0)
+	if (LAST_TRM != 0) {
 	    del_curterm(LAST_TRM);
+	    _nc_tgetent_leak(LAST_TRM);
+	}
     }
 }
 #endif
diff --git a/ncurses/tinfo/lib_tgoto.c b/ncurses/tinfo/lib_tgoto.c
index 31daf443624f..4173d74efcdd 100644
--- a/ncurses/tinfo/lib_tgoto.c
+++ b/ncurses/tinfo/lib_tgoto.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2000-2008,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 2000-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -35,7 +35,7 @@
 #include <ctype.h>
 #include <termcap.h>
 
-MODULE_ID("$Id: lib_tgoto.c,v 1.16 2012/02/24 02:08:08 tom Exp $")
+MODULE_ID("$Id: lib_tgoto.c,v 1.18 2019/10/26 22:43:48 tom Exp $")
 
 #if !PURE_TERMINFO
 static bool
@@ -125,7 +125,14 @@ tgoto_internal(const char *string, int x, int y)
 			*value += 1;
 			need_BC = TRUE;
 		    } else {
-			*value = 0200;	/* tputs will treat this as \0 */
+			/* tputs will pretend this is \0, which will almost
+			 * always work since ANSI-compatible terminals ignore
+			 * the character.  ECMA-48 does not document a C1
+			 * control for this value.  A few (obsolete) terminals
+			 * can use this value in special cases, such as cursor
+			 * addressing using single-byte coordinates.
+			 */
+			*value = 0200;
 		    }
 		}
 		result[used++] = (char) *value++;
@@ -199,6 +206,6 @@ tgoto(const char *string, int x, int y)
 	result = tgoto_internal(string, x, y);
     else
 #endif
-	result = TPARM_2((NCURSES_CONST char *) string, y, x);
+	result = TPARM_2(string, y, x);
     returnPtr(result);
 }
diff --git a/ncurses/tinfo/lib_ti.c b/ncurses/tinfo/lib_ti.c
index e9ae74623cf5..bf8fc9cc3944 100644
--- a/ncurses/tinfo/lib_ti.c
+++ b/ncurses/tinfo/lib_ti.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2010,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2017,2018 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -36,7 +36,7 @@
 
 #include <tic.h>
 
-MODULE_ID("$Id: lib_ti.c,v 1.30 2013/06/08 16:55:05 tom Exp $")
+MODULE_ID("$Id: lib_ti.c,v 1.33 2018/04/07 20:36:41 tom Exp $")
 
 #if 0
 static bool
@@ -50,16 +50,16 @@ same_name(const char *a, const char *b)
 #endif
 
 NCURSES_EXPORT(int)
-NCURSES_SP_NAME(tigetflag) (NCURSES_SP_DCLx NCURSES_CONST char *str)
+NCURSES_SP_NAME(tigetflag) (NCURSES_SP_DCLx const char *str)
 {
     int result = ABSENT_BOOLEAN;
-    int j = -1;
 
     T((T_CALLED("tigetflag(%p, %s)"), (void *) SP_PARM, str));
 
     if (HasTInfoTerminal(SP_PARM)) {
-	TERMTYPE *tp = &(TerminalOf(SP_PARM)->type);
+	TERMTYPE2 *tp = &TerminalType(TerminalOf(SP_PARM));
 	struct name_table_entry const *entry_ptr;
+	int j = -1;
 
 	entry_ptr = _nc_find_type_entry(str, BOOLEAN, FALSE);
 	if (entry_ptr != 0) {
@@ -88,23 +88,23 @@ NCURSES_SP_NAME(tigetflag) (NCURSES_SP_DCLx NCURSES_CONST char *str)
 
 #if NCURSES_SP_FUNCS
 NCURSES_EXPORT(int)
-tigetflag(NCURSES_CONST char *str)
+tigetflag(const char *str)
 {
     return NCURSES_SP_NAME(tigetflag) (CURRENT_SCREEN, str);
 }
 #endif
 
 NCURSES_EXPORT(int)
-NCURSES_SP_NAME(tigetnum) (NCURSES_SP_DCLx NCURSES_CONST char *str)
+NCURSES_SP_NAME(tigetnum) (NCURSES_SP_DCLx const char *str)
 {
-    int j = -1;
     int result = CANCELLED_NUMERIC;	/* Solaris returns a -1 on error */
 
     T((T_CALLED("tigetnum(%p, %s)"), (void *) SP_PARM, str));
 
     if (HasTInfoTerminal(SP_PARM)) {
-	TERMTYPE *tp = &(TerminalOf(SP_PARM)->type);
+	TERMTYPE2 *tp = &TerminalType(TerminalOf(SP_PARM));
 	struct name_table_entry const *entry_ptr;
+	int j = -1;
 
 	entry_ptr = _nc_find_type_entry(str, NUMBER, FALSE);
 	if (entry_ptr != 0) {
@@ -135,23 +135,23 @@ NCURSES_SP_NAME(tigetnum) (NCURSES_SP_DCLx NCURSES_CONST char *str)
 
 #if NCURSES_SP_FUNCS
 NCURSES_EXPORT(int)
-tigetnum(NCURSES_CONST char *str)
+tigetnum(const char *str)
 {
     return NCURSES_SP_NAME(tigetnum) (CURRENT_SCREEN, str);
 }
 #endif
 
 NCURSES_EXPORT(char *)
-NCURSES_SP_NAME(tigetstr) (NCURSES_SP_DCLx NCURSES_CONST char *str)
+NCURSES_SP_NAME(tigetstr) (NCURSES_SP_DCLx const char *str)
 {
     char *result = CANCELLED_STRING;
-    int j = -1;
 
     T((T_CALLED("tigetstr(%p, %s)"), (void *) SP_PARM, str));
 
     if (HasTInfoTerminal(SP_PARM)) {
-	TERMTYPE *tp = &(TerminalOf(SP_PARM)->type);
+	TERMTYPE2 *tp = &TerminalType(TerminalOf(SP_PARM));
 	struct name_table_entry const *entry_ptr;
+	int j = -1;
 
 	entry_ptr = _nc_find_type_entry(str, STRING, FALSE);
 	if (entry_ptr != 0) {
@@ -180,7 +180,7 @@ NCURSES_SP_NAME(tigetstr) (NCURSES_SP_DCLx NCURSES_CONST char *str)
 
 #if NCURSES_SP_FUNCS
 NCURSES_EXPORT(char *)
-tigetstr(NCURSES_CONST char *str)
+tigetstr(const char *str)
 {
     return NCURSES_SP_NAME(tigetstr) (CURRENT_SCREEN, str);
 }
diff --git a/ncurses/tinfo/lib_tparm.c b/ncurses/tinfo/lib_tparm.c
index 439115b01e83..a98cfd86afbf 100644
--- a/ncurses/tinfo/lib_tparm.c
+++ b/ncurses/tinfo/lib_tparm.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -42,7 +42,7 @@
 #include <ctype.h>
 #include <tic.h>
 
-MODULE_ID("$Id: lib_tparm.c,v 1.90 2013/11/09 14:53:05 tom Exp $")
+MODULE_ID("$Id: lib_tparm.c,v 1.107 2019/01/19 15:46:25 tom Exp $")
 
 /*
  *	char *
@@ -253,6 +253,9 @@ parse_format(const char *s, char *format, int *len)
 	    case 'x':		/* FALLTHRU */
 	    case 'X':		/* FALLTHRU */
 	    case 's':
+#ifdef EXP_XTERM_1005
+	    case 'u':
+#endif
 		*format++ = *s;
 		done = TRUE;
 		break;
@@ -323,6 +326,7 @@ parse_format(const char *s, char *format, int *len)
 
 #define isUPPER(c) ((c) >= 'A' && (c) <= 'Z')
 #define isLOWER(c) ((c) >= 'a' && (c) <= 'z')
+#define tc_BUMP()  if (level < 0 && number < 2) number++
 
 /*
  * Analyze the string to see how many parameters we need from the varargs list,
@@ -343,14 +347,15 @@ _nc_tparm_analyze(const char *string, char *p_is_s[NUM_PARM], int *popcount)
     int lastpop = -1;
     int len;
     int number = 0;
+    int level = -1;
     const char *cp = string;
     static char dummy[] = "";
 
     if (cp == 0)
 	return 0;
 
-    if ((len2 = strlen(cp)) > TPS(fmt_size)) {
-	TPS(fmt_size) = len2 + TPS(fmt_size) + 2;
+    if ((len2 = strlen(cp)) + 2 > TPS(fmt_size)) {
+	TPS(fmt_size) += len2 + 2;
 	TPS(fmt_buff) = typeRealloc(char, TPS(fmt_size), TPS(fmt_buff));
 	if (TPS(fmt_buff) == 0)
 	    return 0;
@@ -372,22 +377,30 @@ _nc_tparm_analyze(const char *string, char *p_is_s[NUM_PARM], int *popcount)
 	    case 'x':		/* FALLTHRU */
 	    case 'X':		/* FALLTHRU */
 	    case 'c':		/* FALLTHRU */
-		if (lastpop <= 0)
-		    number++;
+#ifdef EXP_XTERM_1005
+	    case 'u':
+#endif
+		if (lastpop <= 0) {
+		    tc_BUMP();
+		}
+		level -= 1;
 		lastpop = -1;
 		break;
 
 	    case 'l':
 	    case 's':
-		if (lastpop > 0)
+		if (lastpop > 0) {
+		    level -= 1;
 		    p_is_s[lastpop - 1] = dummy;
-		++number;
+		}
+		tc_BUMP();
 		break;
 
 	    case 'p':
 		cp++;
 		i = (UChar(*cp) - '0');
 		if (i >= 0 && i <= NUM_PARM) {
+		    ++level;
 		    lastpop = i;
 		    if (lastpop > *popcount)
 			*popcount = lastpop;
@@ -395,20 +408,22 @@ _nc_tparm_analyze(const char *string, char *p_is_s[NUM_PARM], int *popcount)
 		break;
 
 	    case 'P':
-		++number;
 		++cp;
 		break;
 
 	    case 'g':
+		++level;
 		cp++;
 		break;
 
 	    case S_QUOTE:
+		++level;
 		cp += 2;
 		lastpop = -1;
 		break;
 
 	    case L_BRACE:
+		++level;
 		cp++;
 		while (isdigit(UChar(*cp))) {
 		    cp++;
@@ -428,14 +443,15 @@ _nc_tparm_analyze(const char *string, char *p_is_s[NUM_PARM], int *popcount)
 	    case '=':
 	    case '<':
 	    case '>':
+		tc_BUMP();
+		level -= 1;	/* pop 2, operate, push 1 */
 		lastpop = -1;
-		number += 2;
 		break;
 
 	    case '!':
 	    case '~':
+		tc_BUMP();
 		lastpop = -1;
-		++number;
 		break;
 
 	    case 'i':
@@ -466,9 +482,13 @@ tparam_internal(int use_TPARM_ARG, const char *string, va_list ap)
     int i;
     const char *cp = string;
     size_t len2;
+    bool termcap_hack;
+    bool incremented_two;
 
-    if (cp == NULL)
+    if (cp == NULL) {
+	TR(TRACE_CALLS, ("%s: format is null", TPS(tname)));
 	return NULL;
+    }
 
     TPS(out_used) = 0;
     len2 = strlen(cp);
@@ -479,8 +499,12 @@ tparam_internal(int use_TPARM_ARG, const char *string, va_list ap)
      * variable-length argument list.
      */
     number = _nc_tparm_analyze(cp, p_is_s, &popcount);
-    if (TPS(fmt_buff) == 0)
+    if (TPS(fmt_buff) == 0) {
+	TR(TRACE_CALLS, ("%s: error in analysis", TPS(tname)));
 	return NULL;
+    }
+
+    incremented_two = FALSE;
 
     if (number > NUM_PARM)
 	number = NUM_PARM;
@@ -514,8 +538,9 @@ tparam_internal(int use_TPARM_ARG, const char *string, va_list ap)
      * style, which means tparam() will expand termcap strings OK.
      */
     TPS(stack_ptr) = 0;
+    termcap_hack = FALSE;
     if (popcount == 0) {
-	popcount = number;
+	termcap_hack = TRUE;
 	for (i = number - 1; i >= 0; i--) {
 	    if (p_is_s[i])
 		spush(p_is_s[i]);
@@ -526,10 +551,16 @@ tparam_internal(int use_TPARM_ARG, const char *string, va_list ap)
 #ifdef TRACE
     if (USE_TRACEF(TRACE_CALLS)) {
 	for (i = 0; i < num_args; i++) {
-	    if (p_is_s[i] != 0)
+	    if (p_is_s[i] != 0) {
 		save_text(", %s", _nc_visbuf(p_is_s[i]), 0);
-	    else
+	    } else if ((long) param[i] > MAX_OF_TYPE(NCURSES_INT2) ||
+		       (long) param[i] < 0) {
+		_tracef("BUG: problem with tparm parameter #%d of %d",
+			i + 1, num_args);
+		break;
+	    } else {
 		save_number(", %d", (int) param[i], 0);
+	    }
 	}
 	_tracef(T_CALLED("%s(%s%s)"), TPS(tname), _nc_visbuf(cp), TPS(out_buff));
 	TPS(out_used) = 0;
@@ -561,6 +592,20 @@ tparam_internal(int use_TPARM_ARG, const char *string, va_list ap)
 		save_char(npop());
 		break;
 
+#ifdef EXP_XTERM_1005
+	    case 'u':
+		{
+		    unsigned char target[10];
+		    unsigned source = (unsigned) npop();
+		    int rc = _nc_conv_to_utf8(target, source, (unsigned)
+					      sizeof(target));
+		    int n;
+		    for (n = 0; n < rc; ++n) {
+			save_char(target[n]);
+		    }
+		}
+		break;
+#endif
 	    case 'l':
 		npush((int) strlen(spop()));
 		break;
@@ -573,10 +618,11 @@ tparam_internal(int use_TPARM_ARG, const char *string, va_list ap)
 		cp++;
 		i = (UChar(*cp) - '1');
 		if (i >= 0 && i < NUM_PARM) {
-		    if (p_is_s[i])
+		    if (p_is_s[i]) {
 			spush(p_is_s[i]);
-		    else
+		    } else {
 			npush((int) param[i]);
+		    }
 		}
 		break;
 
@@ -645,11 +691,15 @@ tparam_internal(int use_TPARM_ARG, const char *string, va_list ap)
 		break;
 
 	    case 'A':
-		npush(npop() && npop());
+		y = npop();
+		x = npop();
+		npush(y && x);
 		break;
 
 	    case 'O':
-		npush(npop() || npop());
+		y = npop();
+		x = npop();
+		npush(y || x);
 		break;
 
 	    case '&':
@@ -691,10 +741,26 @@ tparam_internal(int use_TPARM_ARG, const char *string, va_list ap)
 		break;
 
 	    case 'i':
-		if (p_is_s[0] == 0)
-		    param[0]++;
-		if (p_is_s[1] == 0)
-		    param[1]++;
+		/*
+		 * Increment the first two parameters -- if they are numbers
+		 * rather than strings.  As a side effect, assign into the
+		 * stack; if this is termcap, then the stack was populated
+		 * using the termcap hack above rather than via the terminfo
+		 * 'p' case.
+		 */
+		if (!incremented_two) {
+		    incremented_two = TRUE;
+		    if (p_is_s[0] == 0) {
+			param[0]++;
+			if (termcap_hack)
+			    TPS(stack)[0].data.num = (int) param[0];
+		    }
+		    if (p_is_s[1] == 0) {
+			param[1]++;
+			if (termcap_hack)
+			    TPS(stack)[1].data.num = (int) param[1];
+		    }
+		}
 		break;
 
 	    case '?':
@@ -774,7 +840,7 @@ tparam_internal(int use_TPARM_ARG, const char *string, va_list ap)
 #endif
 
 NCURSES_EXPORT(char *)
-tparm_varargs(NCURSES_CONST char *string,...)
+tparm_varargs(const char *string, ...)
 {
     va_list ap;
     char *result;
@@ -791,7 +857,7 @@ tparm_varargs(NCURSES_CONST char *string,...)
 
 #if !NCURSES_TPARM_VARARGS
 NCURSES_EXPORT(char *)
-tparm_proto(NCURSES_CONST char *string,
+tparm_proto(const char *string,
 	    TPARM_ARG a1,
 	    TPARM_ARG a2,
 	    TPARM_ARG a3,
@@ -807,7 +873,7 @@ tparm_proto(NCURSES_CONST char *string,
 #endif /* NCURSES_TPARM_VARARGS */
 
 NCURSES_EXPORT(char *)
-tiparm(const char *string,...)
+tiparm(const char *string, ...)
 {
     va_list ap;
     char *result;
diff --git a/ncurses/tinfo/lib_tputs.c b/ncurses/tinfo/lib_tputs.c
index 523678210da6..3f24a53d63b2 100644
--- a/ncurses/tinfo/lib_tputs.c
+++ b/ncurses/tinfo/lib_tputs.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -51,7 +51,7 @@
 #include <termcap.h>		/* ospeed */
 #include <tic.h>
 
-MODULE_ID("$Id: lib_tputs.c,v 1.93 2013/01/12 20:57:32 tom Exp $")
+MODULE_ID("$Id: lib_tputs.c,v 1.102 2019/03/17 21:57:04 tom Exp $")
 
 NCURSES_EXPORT_VAR(char) PC = 0;              /* used by termcap library */
 NCURSES_EXPORT_VAR(NCURSES_OSPEED) ospeed = 0;        /* used by termcap library */
@@ -121,14 +121,29 @@ NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_DCL0)
 {
     if (SP_PARM != 0 && SP_PARM->_ofd >= 0) {
 	if (SP_PARM->out_inuse) {
+	    char *buf = SP_PARM->out_buffer;
 	    size_t amount = SP->out_inuse;
-	    /*
-	     * Help a little, if the write is interrupted, by first resetting
-	     * our amount.
-	     */
+
 	    SP->out_inuse = 0;
-	    IGNORE_RC(write(SP_PARM->_ofd, SP_PARM->out_buffer, amount));
+	    TR(TRACE_CHARPUT, ("flushing %ld bytes", (unsigned long) amount));
+	    while (amount) {
+		ssize_t res = write(SP_PARM->_ofd, buf, amount);
+
+		if (res > 0) {
+		    /* if the write was incomplete, try again */
+		    amount -= (size_t) res;
+		    buf += res;
+		} else if (errno == EAGAIN) {
+		    continue;
+		} else if (errno == EINTR) {
+		    continue;
+		} else {
+		    break;	/* an error we can not recover from */
+		}
+	    }
 	}
+    } else {
+	fflush(stdout);
     }
 }
 
@@ -258,13 +273,16 @@ NCURSES_SP_NAME(tputs) (NCURSES_SP_DCLx
 #endif /* BSD_TPUTS */
 
 #ifdef TRACE
-    char addrbuf[32];
-
     if (USE_TRACEF(TRACE_TPUTS)) {
-	if (outc == NCURSES_SP_NAME(_nc_outch))
+	char addrbuf[32];
+	TR_FUNC_BFR(1);
+
+	if (outc == NCURSES_SP_NAME(_nc_outch)) {
 	    _nc_STRCPY(addrbuf, "_nc_outch", sizeof(addrbuf));
-	else
-	    _nc_SPRINTF(addrbuf, _nc_SLIMIT(sizeof(addrbuf)) "%p", outc);
+	} else {
+	    _nc_SPRINTF(addrbuf, _nc_SLIMIT(sizeof(addrbuf)) "%s",
+			TR_FUNC_ARG(0, outc));
+	}
 	if (_nc_tputs_trace) {
 	    _tracef("tputs(%s = %s, %d, %s) called", _nc_tputs_trace,
 		    _nc_visbuf(string), affcnt, addrbuf);
@@ -412,7 +430,7 @@ NCURSES_EXPORT(int)
 _nc_outc_wrapper(SCREEN *sp, int c)
 {
     if (0 == sp) {
-	return (ERR);
+	return fputc(c, stdout);
     } else {
 	return sp->jump(c);
     }
diff --git a/ncurses/tinfo/lib_ttyflags.c b/ncurses/tinfo/lib_ttyflags.c
index 700ec481271f..cf065cb68a8b 100644
--- a/ncurses/tinfo/lib_ttyflags.c
+++ b/ncurses/tinfo/lib_ttyflags.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2010,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2016,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -41,42 +41,42 @@
 #define CUR SP_TERMTYPE
 #endif
 
-MODULE_ID("$Id: lib_ttyflags.c,v 1.28 2012/01/21 19:21:29 KO.Myung-Hun Exp $")
+MODULE_ID("$Id: lib_ttyflags.c,v 1.33 2017/04/02 14:30:26 tom Exp $")
 
 NCURSES_EXPORT(int)
 NCURSES_SP_NAME(_nc_get_tty_mode) (NCURSES_SP_DCLx TTY * buf)
 {
+    TERMINAL *termp = TerminalOf(SP_PARM);
     int result = OK;
 
-    if (buf == 0 || SP_PARM == 0) {
+    if (buf == 0 || termp == 0) {
 	result = ERR;
     } else {
-	TERMINAL *termp = TerminalOf(SP_PARM);
 
-	if (0 == termp) {
-	    result = ERR;
-	} else {
 #ifdef USE_TERM_DRIVER
-	    result = CallDriver_2(SP_PARM, sgmode, FALSE, buf);
+	if (SP_PARM != 0) {
+	    result = CallDriver_2(SP_PARM, td_sgmode, FALSE, buf);
+	} else {
+	    result = ERR;
+	}
 #else
-	    for (;;) {
-		if (GET_TTY(termp->Filedes, buf) != 0) {
-		    if (errno == EINTR)
-			continue;
-		    result = ERR;
-		}
-		break;
+	for (;;) {
+	    if (GET_TTY(termp->Filedes, buf) != 0) {
+		if (errno == EINTR)
+		    continue;
+		result = ERR;
 	    }
-#endif
+	    break;
 	}
-
-	if (result == ERR)
-	    memset(buf, 0, sizeof(*buf));
+#endif
 
 	TR(TRACE_BITS, ("_nc_get_tty_mode(%d): %s",
 			termp ? termp->Filedes : -1,
 			_nc_trace_ttymode(buf)));
     }
+    if (result == ERR && buf != 0)
+	memset(buf, 0, sizeof(*buf));
+
     return (result);
 }
 
@@ -102,12 +102,12 @@ NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_DCLx TTY * buf)
 	    result = ERR;
 	} else {
 #ifdef USE_TERM_DRIVER
-	    result = CallDriver_2(SP_PARM, sgmode, TRUE, buf);
+	    result = CallDriver_2(SP_PARM, td_sgmode, TRUE, buf);
 #else
 	    for (;;) {
 		if ((SET_TTY(termp->Filedes, buf) != 0)
 #if USE_KLIBC_KBD
-		    && !isatty(termp->Filedes)
+		    && !NC_ISATTY(termp->Filedes)
 #endif
 		    ) {
 		    if (errno == EINTR)
@@ -141,11 +141,12 @@ NCURSES_SP_NAME(def_shell_mode) (NCURSES_SP_DCL0)
     int rc = ERR;
     TERMINAL *termp = TerminalOf(SP_PARM);
 
-    T((T_CALLED("def_shell_mode(%p)"), (void *) SP_PARM));
+    T((T_CALLED("def_shell_mode(%p) ->term %p"),
+       (void *) SP_PARM, (void *) termp));
 
     if (termp != 0) {
 #ifdef USE_TERM_DRIVER
-	rc = CallDriver_2(SP_PARM, mode, FALSE, TRUE);
+	rc = CallDriver_2(SP_PARM, td_mode, FALSE, TRUE);
 #else
 	/*
 	 * If XTABS was on, remove the tab and backtab capabilities.
@@ -179,11 +180,11 @@ NCURSES_SP_NAME(def_prog_mode) (NCURSES_SP_DCL0)
     int rc = ERR;
     TERMINAL *termp = TerminalOf(SP_PARM);
 
-    T((T_CALLED("def_prog_mode(%p)"), (void *) SP_PARM));
+    T((T_CALLED("def_prog_mode(%p) ->term %p"), (void *) SP_PARM, (void *) termp));
 
     if (termp != 0) {
 #ifdef USE_TERM_DRIVER
-	rc = CallDriver_2(SP_PARM, mode, TRUE, TRUE);
+	rc = CallDriver_2(SP_PARM, td_mode, TRUE, TRUE);
 #else
 	/*
 	 * Turn off the XTABS bit in the tty structure if it was on.
@@ -215,17 +216,16 @@ NCURSES_SP_NAME(reset_prog_mode) (NCURSES_SP_DCL0)
     int rc = ERR;
     TERMINAL *termp = TerminalOf(SP_PARM);
 
-    T((T_CALLED("reset_prog_mode(%p)"), (void *) SP_PARM));
+    T((T_CALLED("reset_prog_mode(%p) ->term %p"), (void *) SP_PARM, (void *) termp));
 
     if (termp != 0) {
 #ifdef USE_TERM_DRIVER
-	rc = CallDriver_2(SP_PARM, mode, TRUE, FALSE);
+	rc = CallDriver_2(SP_PARM, td_mode, TRUE, FALSE);
 #else
 	if (_nc_set_tty_mode(&termp->Nttyb) == OK) {
 	    if (SP_PARM) {
 		if (SP_PARM->_keypad_on)
 		    _nc_keypad(SP_PARM, TRUE);
-		NC_BUFFERED(SP_PARM, TRUE);
 	    }
 	    rc = OK;
 	}
@@ -248,16 +248,16 @@ NCURSES_SP_NAME(reset_shell_mode) (NCURSES_SP_DCL0)
     int rc = ERR;
     TERMINAL *termp = TerminalOf(SP_PARM);
 
-    T((T_CALLED("reset_shell_mode(%p)"), (void *) SP_PARM));
+    T((T_CALLED("reset_shell_mode(%p) ->term %p"),
+       (void *) SP_PARM, (void *) termp));
 
     if (termp != 0) {
 #ifdef USE_TERM_DRIVER
-	rc = CallDriver_2(SP_PARM, mode, FALSE, FALSE);
+	rc = CallDriver_2(SP_PARM, td_mode, FALSE, FALSE);
 #else
 	if (SP_PARM) {
 	    _nc_keypad(SP_PARM, FALSE);
 	    _nc_flush();
-	    NC_BUFFERED(SP_PARM, FALSE);
 	}
 	rc = _nc_set_tty_mode(&termp->Ottyb);
 #endif
diff --git a/ncurses/tinfo/make_hash.c b/ncurses/tinfo/make_hash.c
index 37ac7651424c..11a10546a925 100644
--- a/ncurses/tinfo/make_hash.c
+++ b/ncurses/tinfo/make_hash.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2019,2020 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -34,7 +34,6 @@
 
 /*
  *	make_hash.c --- build-time program for constructing comp_captab.c
- *
  */
 
 #include <build.priv.h>
@@ -44,14 +43,14 @@
 
 #include <ctype.h>
 
-MODULE_ID("$Id: make_hash.c,v 1.13 2013/09/28 20:55:47 tom Exp $")
+MODULE_ID("$Id: make_hash.c,v 1.30 2020/01/18 17:02:38 tom Exp $")
 
 /*
  *	_nc_make_hash_table()
  *
  *	Takes the entries in table[] and hashes them into hash_table[]
- *	by name.  There are CAPTABSIZE entries in table[] and HASHTABSIZE
- *	slots in hash_table[].
+ *	by name.  There are CAPTABSIZE entries in the predefined table[]
+ *	and HASHTABSIZE slots in hash_table[].
  *
  */
 
@@ -59,6 +58,14 @@ MODULE_ID("$Id: make_hash.c,v 1.13 2013/09/28 20:55:47 tom Exp $")
 #define MODULE_ID(id)		/*nothing */
 #include <tinfo/doalloc.c>
 
+#define L_PAREN "("
+#define R_PAREN ")"
+#define L_BRACE "{"
+#define R_BRACE "}"
+
+static const char *typenames[] =
+{"BOOLEAN", "NUMBER", "STRING"};
+
 static void
 failed(const char *s)
 {
@@ -82,7 +89,7 @@ strmalloc(char *s)
  *
  *	Computes the hashing function on the given string.
  *
- *	The current hash function is the sum of each consectutive pair
+ *	The current hash function is the sum of each consecutive pair
  *	of characters, taken as two-byte integers, mod HASHTABSIZE.
  *
  */
@@ -101,28 +108,29 @@ hash_function(const char *string)
 }
 
 static void
-_nc_make_hash_table(struct name_table_entry *table,
-		    HashValue * hash_table)
+_nc_make_hash_table(struct user_table_entry *table,
+		    HashValue * hash_table,
+		    unsigned tablesize)
 {
-    short i;
+    unsigned i;
     int hashvalue;
     int collisions = 0;
 
     for (i = 0; i < HASHTABSIZE; i++) {
 	hash_table[i] = -1;
     }
-    for (i = 0; i < CAPTABSIZE; i++) {
-	hashvalue = hash_function(table[i].nte_name);
+    for (i = 0; i < tablesize; i++) {
+	hashvalue = hash_function(table[i].ute_name);
 
 	if (hash_table[hashvalue] >= 0)
 	    collisions++;
 
 	if (hash_table[hashvalue] != 0)
-	    table[i].nte_link = hash_table[hashvalue];
-	hash_table[hashvalue] = i;
+	    table[i].ute_link = hash_table[hashvalue];
+	hash_table[hashvalue] = (HashValue) i;
     }
 
-    printf("/* %d collisions out of %d entries */\n", collisions, CAPTABSIZE);
+    printf("/* %d collisions out of %d entries */\n", collisions, tablesize);
 }
 
 /*
@@ -156,10 +164,18 @@ parse_columns(char *buffer)
 
     int col = 0;
 
-    if (list == 0 && (list = typeCalloc(char *, (MAX_COLUMNS + 1))) == 0)
-	  return (0);
+    if (buffer == 0) {
+	free(list);
+	list = 0;
+	return 0;
+    }
 
     if (*buffer != '#') {
+	if (list == 0) {
+	    list = typeCalloc(char *, (MAX_COLUMNS + 1));
+	    if (list == 0)
+		return (0);
+	}
 	while (*buffer != '\0') {
 	    char *s;
 	    for (s = buffer; (*s != '\0') && !isspace(UChar(*s)); s++)
@@ -188,21 +204,58 @@ parse_columns(char *buffer)
     return col ? list : 0;
 }
 
+#define SetType(n,t) \
+	if (is_user) \
+	    name_table[n].ute_type |= (int)(1 << (t)); \
+	else \
+	    name_table[n].ute_type = (t)
+
+#define GetType(n) \
+	(is_user \
+	 ? get_type(name_table[n].ute_type) \
+	 : typenames[name_table[n].ute_type])
+
+static char *
+get_type(int type_mask)
+{
+    static char result[80];
+    unsigned n;
+    _nc_STRCPY(result, L_PAREN, sizeof(result));
+    for (n = 0; n < 3; ++n) {
+	if ((1 << n) & type_mask) {
+	    size_t want = 5 + strlen(typenames[n]);
+	    if (want > sizeof(result)) {
+		fprintf(stderr, "Buffer is not large enough for %s + %s\n",
+			result, typenames[n]);
+		exit(EXIT_FAILURE);
+	    }
+	    if (result[1])
+		_nc_STRCAT(result, "|", sizeof(result));
+	    _nc_STRCAT(result, "1<<", sizeof(result));
+	    _nc_STRCAT(result, typenames[n], sizeof(result));
+	}
+    }
+    _nc_STRCAT(result, R_PAREN, sizeof(result));
+    return result;
+}
+
 int
 main(int argc, char **argv)
 {
-    struct name_table_entry *name_table = typeCalloc(struct
-						     name_table_entry, CAPTABSIZE);
+    unsigned tablesize = CAPTABSIZE;
+    struct user_table_entry *name_table = typeCalloc(struct
+						     user_table_entry, tablesize);
     HashValue *hash_table = typeCalloc(HashValue, HASHTABSIZE);
     const char *root_name = "";
     int column = 0;
     int bigstring = 0;
-    int n;
+    unsigned n;
+    unsigned nn;
+    unsigned tableused = 0;
+    bool is_user;
+    const char *table_name;
     char buffer[BUFSIZ];
 
-    static const char *typenames[] =
-    {"BOOLEAN", "NUMBER", "STRING"};
-
     short BoolCount = 0;
     short NumCount = 0;
     short StrCount = 0;
@@ -220,42 +273,80 @@ main(int argc, char **argv)
 	fprintf(stderr, "usage: make_hash column root_name bigstring\n");
 	exit(EXIT_FAILURE);
     }
+    is_user = (*root_name == 'u');
+    table_name = (is_user ? "user" : "name");
 
     /*
      * Read the table into our arrays.
      */
-    for (n = 0; (n < CAPTABSIZE) && fgets(buffer, BUFSIZ, stdin);) {
-	char **list, *nlp = strchr(buffer, '\n');
+    for (n = 0; (n < tablesize) && fgets(buffer, BUFSIZ, stdin);) {
+	char **list;
+	char *nlp = strchr(buffer, '\n');
 	if (nlp)
 	    *nlp = '\0';
+	else
+	    buffer[sizeof(buffer) - 2] = '\0';
 	list = parse_columns(buffer);
 	if (list == 0)		/* blank or comment */
 	    continue;
-	if (column > count_columns(list)) {
+	if (is_user) {
+	    if (strcmp(list[0], "userdef"))
+		continue;
+	} else if (!strcmp(list[0], "userdef")) {
+	    continue;
+	}
+	if (column < 0 || column > count_columns(list)) {
 	    fprintf(stderr, "expected %d columns, have %d:\n%s\n",
 		    column,
 		    count_columns(list),
 		    buffer);
 	    exit(EXIT_FAILURE);
 	}
-	name_table[n].nte_link = -1;	/* end-of-hash */
-	name_table[n].nte_name = strmalloc(list[column]);
+	nn = tableused;
+	if (is_user) {
+	    unsigned j;
+	    for (j = 0; j < tableused; ++j) {
+		if (!strcmp(list[column], name_table[j].ute_name)) {
+		    nn = j;
+		    break;
+		}
+	    }
+	}
+	if (nn == tableused) {
+	    name_table[nn].ute_link = -1;	/* end-of-hash */
+	    name_table[nn].ute_name = strmalloc(list[column]);
+	    ++tableused;
+	}
+
 	if (!strcmp(list[2], "bool")) {
-	    name_table[n].nte_type = BOOLEAN;
-	    name_table[n].nte_index = BoolCount++;
+	    SetType(nn, BOOLEAN);
+	    name_table[nn].ute_index = BoolCount++;
 	} else if (!strcmp(list[2], "num")) {
-	    name_table[n].nte_type = NUMBER;
-	    name_table[n].nte_index = NumCount++;
+	    SetType(nn, NUMBER);
+	    name_table[nn].ute_index = NumCount++;
 	} else if (!strcmp(list[2], "str")) {
-	    name_table[n].nte_type = STRING;
-	    name_table[n].nte_index = StrCount++;
+	    SetType(nn, STRING);
+	    name_table[nn].ute_index = StrCount++;
+	    if (is_user) {
+		if (*list[3] != '-') {
+		    unsigned j;
+		    name_table[nn].ute_argc = (unsigned) strlen(list[3]);
+		    for (j = 0; j < name_table[nn].ute_argc; ++j) {
+			if (list[3][j] == 's') {
+			    name_table[nn].ute_args |= (1U << j);
+			}
+		    }
+		}
+	    }
 	} else {
 	    fprintf(stderr, "Unknown type: %s\n", list[2]);
 	    exit(EXIT_FAILURE);
 	}
 	n++;
     }
-    _nc_make_hash_table(name_table, hash_table);
+    if (tablesize > tableused)
+	tablesize = tableused;
+    _nc_make_hash_table(name_table, hash_table, tablesize);
 
     /*
      * Write the compiled tables to standard output
@@ -265,66 +356,86 @@ main(int argc, char **argv)
 	int nxt;
 
 	printf("static const char %s_names_text[] = \\\n", root_name);
-	for (n = 0; n < CAPTABSIZE; n++) {
-	    nxt = (int) strlen(name_table[n].nte_name) + 5;
+	for (n = 0; n < tablesize; n++) {
+	    nxt = (int) strlen(name_table[n].ute_name) + 5;
 	    if (nxt + len > 72) {
 		printf("\\\n");
 		len = 0;
 	    }
-	    printf("\"%s\\0\" ", name_table[n].nte_name);
+	    printf("\"%s\\0\" ", name_table[n].ute_name);
 	    len += nxt;
 	}
 	printf(";\n\n");
 
 	len = 0;
-	printf("static name_table_data const %s_names_data[] =\n",
+	printf("static %s_table_data const %s_names_data[] =\n",
+	       table_name,
 	       root_name);
-	printf("{\n");
-	for (n = 0; n < CAPTABSIZE; n++) {
-	    printf("\t{ %15d,\t%10s,\t%3d, %3d }%c\n",
-		   len,
-		   typenames[name_table[n].nte_type],
-		   name_table[n].nte_index,
-		   name_table[n].nte_link,
-		   n < CAPTABSIZE - 1 ? ',' : ' ');
-	    len += (int) strlen(name_table[n].nte_name) + 1;
+	printf("%s\n", L_BRACE);
+	for (n = 0; n < tablesize; n++) {
+	    printf("\t%s %15d,\t%10s,", L_BRACE, len, GetType(n));
+	    if (is_user)
+		printf("\t%d,%d,",
+		       name_table[n].ute_argc,
+		       name_table[n].ute_args);
+	    printf("\t%3d, %3d %s%c\n",
+		   name_table[n].ute_index,
+		   name_table[n].ute_link,
+		   R_BRACE,
+		   n < tablesize - 1 ? ',' : ' ');
+	    len += (int) strlen(name_table[n].ute_name) + 1;
 	}
-	printf("};\n\n");
-	printf("static struct name_table_entry *_nc_%s_table = 0;\n\n", root_name);
+	printf("%s;\n\n", R_BRACE);
+	printf("static struct %s_table_entry *_nc_%s_table = 0;\n\n",
+	       table_name,
+	       root_name);
     } else {
 
-	printf("static struct name_table_entry const _nc_%s_table[] =\n",
+	printf("static struct %s_table_entry const _nc_%s_table[] =\n",
+	       table_name,
 	       root_name);
-	printf("{\n");
-	for (n = 0; n < CAPTABSIZE; n++) {
+	printf("%s\n", L_BRACE);
+	for (n = 0; n < tablesize; n++) {
 	    _nc_SPRINTF(buffer, _nc_SLIMIT(sizeof(buffer)) "\"%s\"",
-			name_table[n].nte_name);
-	    printf("\t{ %15s,\t%10s,\t%3d, %3d }%c\n",
-		   buffer,
-		   typenames[name_table[n].nte_type],
-		   name_table[n].nte_index,
-		   name_table[n].nte_link,
-		   n < CAPTABSIZE - 1 ? ',' : ' ');
+			name_table[n].ute_name);
+	    printf("\t%s %15s,\t%10s,", L_BRACE, buffer, GetType(n));
+	    if (is_user)
+		printf("\t%d,%d,",
+		       name_table[n].ute_argc,
+		       name_table[n].ute_args);
+	    printf("\t%3d, %3d %s%c\n",
+		   name_table[n].ute_index,
+		   name_table[n].ute_link,
+		   R_BRACE,
+		   n < tablesize - 1 ? ',' : ' ');
 	}
-	printf("};\n\n");
+	printf("%s;\n\n", R_BRACE);
     }
 
     printf("static const HashValue _nc_%s_hash_table[%d] =\n",
 	   root_name,
 	   HASHTABSIZE + 1);
-    printf("{\n");
+    printf("%s\n", L_BRACE);
     for (n = 0; n < HASHTABSIZE; n++) {
 	printf("\t%3d,\n", hash_table[n]);
     }
     printf("\t0\t/* base-of-table */\n");
-    printf("};\n\n");
+    printf("%s;\n\n", R_BRACE);
 
-    printf("#if (BOOLCOUNT!=%d)||(NUMCOUNT!=%d)||(STRCOUNT!=%d)\n",
-	   BoolCount, NumCount, StrCount);
-    printf("#error\t--> term.h and comp_captab.c disagree about the <--\n");
-    printf("#error\t--> numbers of booleans, numbers and/or strings <--\n");
-    printf("#endif\n\n");
+    if (!is_user) {
+	printf("#if (BOOLCOUNT!=%d)||(NUMCOUNT!=%d)||(STRCOUNT!=%d)\n",
+	       BoolCount, NumCount, StrCount);
+	printf("#error\t--> term.h and comp_captab.c disagree about the <--\n");
+	printf("#error\t--> numbers of booleans, numbers and/or strings <--\n");
+	printf("#endif\n\n");
+    }
 
     free(hash_table);
+    for (n = 0; (n < tablesize); ++n) {
+	free((void *) name_table[n].ute_name);
+    }
+    free(name_table);
+    parse_columns(0);
+
     return EXIT_SUCCESS;
 }
diff --git a/ncurses/tinfo/make_keys.c b/ncurses/tinfo/make_keys.c
index f44f7c77ff7e..fa0c2f2706e0 100644
--- a/ncurses/tinfo/make_keys.c
+++ b/ncurses/tinfo/make_keys.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2010,2011 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2011,2015 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -39,11 +39,26 @@
 #define USE_TERMLIB 1
 #include <build.priv.h>
 
-MODULE_ID("$Id: make_keys.c,v 1.20 2011/10/22 16:34:50 tom Exp $")
+MODULE_ID("$Id: make_keys.c,v 1.21 2015/07/16 01:10:03 tom Exp $")
 
 #include <names.c>
 
-#define UNKNOWN (unsigned) (SIZEOF(strnames) + SIZEOF(strfnames))
+static unsigned
+unknown(void)
+{
+    static unsigned result = 0;
+
+    if (result == 0) {
+	unsigned n;
+	for (n = 0; strnames[n] != 0; n++) {
+	    ++result;
+	}
+	for (n = 0; strfnames[n] != 0; n++) {
+	    ++result;
+	}
+    }
+    return result;
+}
 
 static unsigned
 lookup(const char *name)
@@ -64,7 +79,7 @@ lookup(const char *name)
 	    }
 	}
     }
-    return found ? n : UNKNOWN;
+    return found ? n : unknown();
 }
 
 static void
@@ -73,6 +88,7 @@ make_keys(FILE *ifp, FILE *ofp)
     char buffer[BUFSIZ];
     char from[256];
     char to[256];
+    unsigned ignore = unknown();
     unsigned maxlen = 16;
     int scanned;
 
@@ -86,7 +102,7 @@ make_keys(FILE *ifp, FILE *ofp)
 	scanned = sscanf(buffer, "%255s %255s", to, from);
 	if (scanned == 2) {
 	    unsigned code = lookup(from);
-	    if (code == UNKNOWN)
+	    if (code == ignore)
 		continue;
 	    if (strlen(from) > maxlen)
 		maxlen = (unsigned) strlen(from);
diff --git a/ncurses/tinfo/name_match.c b/ncurses/tinfo/name_match.c
index c648535526d2..376e68df4229 100644
--- a/ncurses/tinfo/name_match.c
+++ b/ncurses/tinfo/name_match.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1999-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1999-2013,2016 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -33,7 +33,7 @@
 #include <curses.priv.h>
 #include <tic.h>
 
-MODULE_ID("$Id: name_match.c,v 1.23 2013/05/25 20:20:08 tom Exp $")
+MODULE_ID("$Id: name_match.c,v 1.24 2016/05/28 23:22:52 tom Exp $")
 
 #define FirstName _nc_globals.first_name
 
@@ -58,8 +58,6 @@ skip_index(const char *name)
 NCURSES_EXPORT(char *)
 _nc_first_name(const char *const sp)
 {
-    unsigned n;
-
 #if NO_LEAKS
     if (sp == 0) {
 	if (FirstName != 0) {
@@ -72,6 +70,7 @@ _nc_first_name(const char *const sp)
 	    FirstName = typeMalloc(char, MAX_NAME_SIZE + 1);
 
 	if (FirstName != 0) {
+	    unsigned n;
 	    const char *src = sp;
 #if NCURSES_USE_TERMCAP && NCURSES_XNAMES
 	    src = skip_index(sp);
@@ -93,11 +92,13 @@ _nc_first_name(const char *const sp)
 NCURSES_EXPORT(int)
 _nc_name_match(const char *const namelst, const char *const name, const char *const delim)
 {
-    const char *s, *d, *t;
-    int code, found;
+    const char *s;
 
     if ((s = namelst) != 0) {
 	while (*s != '\0') {
+	    const char *d, *t;
+	    int code, found;
+
 	    for (d = name; *d != '\0'; d++) {
 		if (*s != *d)
 		    break;
diff --git a/ncurses/tinfo/obsolete.c b/ncurses/tinfo/obsolete.c
index 9b62917d7ccf..37f9de34b147 100644
--- a/ncurses/tinfo/obsolete.c
+++ b/ncurses/tinfo/obsolete.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2013 Free Software Foundation, Inc.                        *
+ * Copyright (c) 2013-2016,2020 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -27,19 +27,19 @@
  ****************************************************************************/
 
 /****************************************************************************
- *  Author: Thomas E. Dickey                        2013                    *
+ *  Author: Thomas E. Dickey                        2013-on                 *
  ****************************************************************************/
 
 /*
-**	Support for obsolete features.
+**	Support for obsolete/unusual features.
 */
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: obsolete.c,v 1.1 2013/01/26 22:07:51 tom Exp $")
+MODULE_ID("$Id: obsolete.c,v 1.5 2020/01/18 17:02:38 tom Exp $")
 
 /*
- * Obsolete entrypoint retained for binary compatbility.
+ * Obsolete entrypoint retained for binary compatibility.
  */
 NCURSES_EXPORT(void)
 NCURSES_SP_NAME(_nc_set_buffer) (NCURSES_SP_DCLx FILE *ofp, int buffered)
@@ -68,7 +68,7 @@ _nc_strdup(const char *s)
 	size_t need = strlen(s);
 	result = malloc(need + 1);
 	if (result != 0) {
-	    strcpy(result, s);
+	    _nc_STRCPY(result, s, need);
 	}
     }
     return result;
@@ -100,3 +100,140 @@ _nc_memmove(void *s1, const void *s2, size_t n)
     return s1;
 }
 #endif /* USE_MY_MEMMOVE */
+
+#ifdef EXP_XTERM_1005
+NCURSES_EXPORT(int)
+_nc_conv_to_utf8(unsigned char *target, unsigned source, unsigned limit)
+{
+#define CH(n) UChar((source) >> ((n) * 8))
+    int rc = 0;
+
+    if (source <= 0x0000007f)
+	rc = 1;
+    else if (source <= 0x000007ff)
+	rc = 2;
+    else if (source <= 0x0000ffff)
+	rc = 3;
+    else if (source <= 0x001fffff)
+	rc = 4;
+    else if (source <= 0x03ffffff)
+	rc = 5;
+    else			/* (source <= 0x7fffffff) */
+	rc = 6;
+
+    if ((unsigned) rc > limit) {	/* whatever it is, we cannot decode it */
+	rc = 0;
+    }
+
+    if (target != 0) {
+	switch (rc) {
+	case 1:
+	    target[0] = CH(0);
+	    break;
+
+	case 2:
+	    target[1] = UChar(0x80 | (CH(0) & 0x3f));
+	    target[0] = UChar(0xc0 | (CH(0) >> 6) | ((CH(1) & 0x07) << 2));
+	    break;
+
+	case 3:
+	    target[2] = UChar(0x80 | (CH(0) & 0x3f));
+	    target[1] = UChar(0x80 | (CH(0) >> 6) | ((CH(1) & 0x0f) << 2));
+	    target[0] = UChar(0xe0 | ((int) (CH(1) & 0xf0) >> 4));
+	    break;
+
+	case 4:
+	    target[3] = UChar(0x80 | (CH(0) & 0x3f));
+	    target[2] = UChar(0x80 | (CH(0) >> 6) | ((CH(1) & 0x0f) << 2));
+	    target[1] = UChar(0x80 |
+			      ((int) (CH(1) & 0xf0) >> 4) |
+			      ((int) (CH(2) & 0x03) << 4));
+	    target[0] = UChar(0xf0 | ((int) (CH(2) & 0x1f) >> 2));
+	    break;
+
+	case 5:
+	    target[4] = UChar(0x80 | (CH(0) & 0x3f));
+	    target[3] = UChar(0x80 | (CH(0) >> 6) | ((CH(1) & 0x0f) << 2));
+	    target[2] = UChar(0x80 |
+			      ((int) (CH(1) & 0xf0) >> 4) |
+			      ((int) (CH(2) & 0x03) << 4));
+	    target[1] = UChar(0x80 | (CH(2) >> 2));
+	    target[0] = UChar(0xf8 | (CH(3) & 0x03));
+	    break;
+
+	case 6:
+	    target[5] = UChar(0x80 | (CH(0) & 0x3f));
+	    target[4] = UChar(0x80 | (CH(0) >> 6) | ((CH(1) & 0x0f) << 2));
+	    target[3] = UChar(0x80 | (CH(1) >> 4) | ((CH(2) & 0x03) << 4));
+	    target[2] = UChar(0x80 | (CH(2) >> 2));
+	    target[1] = UChar(0x80 | (CH(3) & 0x3f));
+	    target[0] = UChar(0xfc | ((int) (CH(3) & 0x40) >> 6));
+	    break;
+	}
+    }
+
+    return rc;			/* number of bytes needed in target */
+#undef CH
+}
+
+NCURSES_EXPORT(int)
+_nc_conv_to_utf32(unsigned *target, const char *source, unsigned limit)
+{
+#define CH(n) UChar((*target) >> ((n) * 8))
+    int rc = 0;
+    int j;
+    unsigned mask = 0;
+
+    /*
+     * Find the number of bytes we will need from the source.
+     */
+    if ((*source & 0x80) == 0) {
+	rc = 1;
+	mask = (unsigned) *source;
+    } else if ((*source & 0xe0) == 0xc0) {
+	rc = 2;
+	mask = (unsigned) (*source & 0x1f);
+    } else if ((*source & 0xf0) == 0xe0) {
+	rc = 3;
+	mask = (unsigned) (*source & 0x0f);
+    } else if ((*source & 0xf8) == 0xf0) {
+	rc = 4;
+	mask = (unsigned) (*source & 0x07);
+    } else if ((*source & 0xfc) == 0xf8) {
+	rc = 5;
+	mask = (unsigned) (*source & 0x03);
+    } else if ((*source & 0xfe) == 0xfc) {
+	rc = 6;
+	mask = (unsigned) (*source & 0x01);
+    }
+
+    if ((unsigned) rc > limit) {	/* whatever it is, we cannot decode it */
+	rc = 0;
+    }
+
+    /*
+     * sanity-check.
+     */
+    if (rc > 1) {
+	for (j = 1; j < rc; j++) {
+	    if ((source[j] & 0xc0) != 0x80)
+		break;
+	}
+	if (j != rc) {
+	    rc = 0;
+	}
+    }
+
+    if (target != 0) {
+	int shift = 0;
+	*target = 0;
+	for (j = 1; j < rc; j++) {
+	    *target |= (unsigned) (source[rc - j] & 0x3f) << shift;
+	    shift += 6;
+	}
+	*target |= mask << shift;
+    }
+    return rc;
+#undef CH
+}
+#endif /* EXP_XTERM_1005 */
diff --git a/ncurses/tinfo/parse_entry.c b/ncurses/tinfo/parse_entry.c
index 2936a64369a8..064376c5e699 100644
--- a/ncurses/tinfo/parse_entry.c
+++ b/ncurses/tinfo/parse_entry.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -47,7 +47,7 @@
 #include <ctype.h>
 #include <tic.h>
 
-MODULE_ID("$Id: parse_entry.c,v 1.79 2012/10/27 21:43:45 tom Exp $")
+MODULE_ID("$Id: parse_entry.c,v 1.98 2019/10/12 00:50:31 tom Exp $")
 
 #ifdef LINT
 static short const parametrized[] =
@@ -56,17 +56,17 @@ static short const parametrized[] =
 #include <parametrized.h>
 #endif
 
-static void postprocess_termcap(TERMTYPE *, bool);
-static void postprocess_terminfo(TERMTYPE *);
+static void postprocess_termcap(TERMTYPE2 *, bool);
+static void postprocess_terminfo(TERMTYPE2 *);
 static struct name_table_entry const *lookup_fullname(const char *name);
 
 #if NCURSES_XNAMES
 
 static struct name_table_entry const *
-_nc_extend_names(ENTRY * entryp, char *name, int token_type)
+_nc_extend_names(ENTRY * entryp, const char *name, int token_type)
 {
     static struct name_table_entry temp;
-    TERMTYPE *tp = &(entryp->tterm);
+    TERMTYPE2 *tp = &(entryp->tterm);
     unsigned offset = 0;
     unsigned actual;
     unsigned tindex;
@@ -152,7 +152,7 @@ _nc_extend_names(ENTRY * entryp, char *name, int token_type)
 	case NUMBER:
 	    tp->ext_Numbers++;
 	    tp->num_Numbers++;
-	    TYPE_REALLOC(short, tp->num_Numbers, tp->Numbers);
+	    TYPE_REALLOC(NCURSES_INT2, tp->num_Numbers, tp->Numbers);
 	    for_each_value(tp->num_Numbers)
 		tp->Numbers[last] = tp->Numbers[last - 1];
 	    break;
@@ -178,8 +178,55 @@ _nc_extend_names(ENTRY * entryp, char *name, int token_type)
 
     return &temp;
 }
+
+static const char *
+usertype2s(int mask)
+{
+    const char *result = "unknown";
+    if (mask & (1 << BOOLEAN)) {
+	result = "boolean";
+    } else if (mask & (1 << NUMBER)) {
+	result = "number";
+    } else if (mask & (1 << STRING)) {
+	result = "string";
+    }
+    return result;
+}
+
+static bool
+expected_type(const char *name, int token_type, bool silent)
+{
+    struct user_table_entry const *entry = _nc_find_user_entry(name);
+    bool result = TRUE;
+    if ((entry != 0) && (token_type != CANCEL)) {
+	int have_type = (1 << token_type);
+	if (!(entry->ute_type & have_type)) {
+	    if (!silent)
+		_nc_warning("expected %s-type for %s, have %s",
+			    usertype2s(entry->ute_type),
+			    name,
+			    usertype2s(have_type));
+	    result = FALSE;
+	}
+    }
+    return result;
+}
 #endif /* NCURSES_XNAMES */
 
+static bool
+valid_entryname(const char *name)
+{
+    bool result = TRUE;
+    int ch;
+    while ((ch = UChar(*name++)) != '\0') {
+	if (ch <= ' ' || ch > '~' || ch == '/') {
+	    result = FALSE;
+	    break;
+	}
+    }
+    return result;
+}
+
 /*
  *	int
  *	_nc_parse_entry(entry, literal, silent)
@@ -203,14 +250,15 @@ _nc_extend_names(ENTRY * entryp, char *name, int token_type)
  	{ bad_tc_usage = TRUE; \
 	 _nc_warning("Legacy termcap allows only a trailing tc= clause"); }
 
-#define MAX_NUMBER 0x7fff	/* positive shorts only */
+#define MAX_NUMBER MAX_OF_TYPE(NCURSES_INT2)
 
 NCURSES_EXPORT(int)
-_nc_parse_entry(struct entry *entryp, int literal, bool silent)
+_nc_parse_entry(ENTRY * entryp, int literal, bool silent)
 {
     int token_type;
     struct name_table_entry const *entry_ptr;
     char *ptr, *base;
+    const char *name;
     bool bad_tc_usage = FALSE;
 
     token_type = _nc_get_token(silent);
@@ -220,7 +268,7 @@ _nc_parse_entry(struct entry *entryp, int literal, bool silent)
     if (token_type != NAMES)
 	_nc_err_abort("Entry does not start with terminal names in column one");
 
-    _nc_init_entry(&entryp->tterm);
+    _nc_init_entry(entryp);
 
     entryp->cstart = _nc_comment_start;
     entryp->cend = _nc_comment_end;
@@ -236,13 +284,14 @@ _nc_parse_entry(struct entry *entryp, int literal, bool silent)
      * implemented it.  Note that the resulting terminal type was never the
      * 2-character name, but was instead the first alias after that.
      */
+#define ok_TC2(s) (isgraph(UChar(s)) && (s) != '|')
     ptr = _nc_curr_token.tk_name;
     if (_nc_syntax == SYN_TERMCAP
 #if NCURSES_XNAMES
 	&& !_nc_user_definable
 #endif
 	) {
-	if (ptr[2] == '|') {
+	if (ok_TC2(ptr[0]) && ok_TC2(ptr[1]) && (ptr[2] == '|')) {
 	    ptr += 3;
 	    _nc_curr_token.tk_name[2] = '\0';
 	}
@@ -260,7 +309,12 @@ _nc_parse_entry(struct entry *entryp, int literal, bool silent)
      * results in the terminal type getting prematurely set to correspond
      * to that of the next entry.
      */
-    _nc_set_type(_nc_first_name(entryp->tterm.term_names));
+    name = _nc_first_name(entryp->tterm.term_names);
+    if (!valid_entryname(name)) {
+	_nc_warning("invalid entry name \"%s\"", name);
+	name = "invalid";
+    }
+    _nc_set_type(name);
 
     /* check for overly-long names and aliases */
     for (base = entryp->tterm.term_names; (ptr = strchr(base, '|')) != 0;
@@ -282,6 +336,19 @@ _nc_parse_entry(struct entry *entryp, int literal, bool silent)
 	bool is_use = (strcmp(_nc_curr_token.tk_name, "use") == 0);
 	bool is_tc = !is_use && (strcmp(_nc_curr_token.tk_name, "tc") == 0);
 	if (is_use || is_tc) {
+	    if (!VALID_STRING(_nc_curr_token.tk_valstring)
+		|| _nc_curr_token.tk_valstring[0] == '\0') {
+		_nc_warning("missing name for use-clause");
+		continue;
+	    } else if (!valid_entryname(_nc_curr_token.tk_valstring)) {
+		_nc_warning("invalid name for use-clause \"%s\"",
+			    _nc_curr_token.tk_valstring);
+		continue;
+	    } else if (entryp->nuses >= MAX_USES) {
+		_nc_warning("too many use-clauses, ignored \"%s\"",
+			    _nc_curr_token.tk_valstring);
+		continue;
+	    }
 	    entryp->uses[entryp->nuses].name = _nc_save_str(_nc_curr_token.tk_valstring);
 	    entryp->uses[entryp->nuses].line = _nc_curr_line;
 	    entryp->nuses++;
@@ -351,12 +418,20 @@ _nc_parse_entry(struct entry *entryp, int literal, bool silent)
 	     * define a name based on its context.
 	     */
 	    if (entry_ptr == NOTFOUND
-		&& _nc_user_definable
-		&& (entry_ptr = _nc_extend_names(entryp,
-						 _nc_curr_token.tk_name,
-						 token_type)) != 0) {
-		if (_nc_tracing >= DEBUG_LEVEL(1))
-		    _nc_warning("extended capability '%s'", _nc_curr_token.tk_name);
+		&& _nc_user_definable) {
+		if (expected_type(_nc_curr_token.tk_name, token_type, silent)) {
+		    if ((entry_ptr = _nc_extend_names(entryp,
+						      _nc_curr_token.tk_name,
+						      token_type)) != 0) {
+			if (_nc_tracing >= DEBUG_LEVEL(1)) {
+			    _nc_warning("extended capability '%s'",
+					_nc_curr_token.tk_name);
+			}
+		    }
+		} else {
+		    /* ignore it: we have already printed error message */
+		    continue;
+		}
 	    }
 #endif /* NCURSES_XNAMES */
 
@@ -369,7 +444,16 @@ _nc_parse_entry(struct entry *entryp, int literal, bool silent)
 	    }
 
 	    /* deal with bad type/value combinations. */
-	    if (token_type != CANCEL && entry_ptr->nte_type != token_type) {
+	    if (token_type == CANCEL) {
+		/*
+		 * Prefer terminfo in this (long-obsolete) ambiguity:
+		 */
+		if (!strcmp("ma", _nc_curr_token.tk_name)) {
+		    entry_ptr = _nc_find_type_entry("ma", NUMBER,
+						    _nc_syntax != 0);
+		    assert(entry_ptr != 0);
+		}
+	    } else if (entry_ptr->nte_type != token_type) {
 		/*
 		 * Nasty special cases here handle situations in which type
 		 * information can resolve name clashes.  Normal lookup
@@ -446,11 +530,14 @@ _nc_parse_entry(struct entry *entryp, int literal, bool silent)
 		break;
 
 	    case NUMBER:
+#if !NCURSES_EXT_NUMBERS
 		if (_nc_curr_token.tk_valnumber > MAX_NUMBER) {
 		    entryp->tterm.Numbers[entry_ptr->nte_index] = MAX_NUMBER;
-		} else {
+		} else
+#endif
+		{
 		    entryp->tterm.Numbers[entry_ptr->nte_index] =
-			(short) _nc_curr_token.tk_valnumber;
+			(NCURSES_INT2) _nc_curr_token.tk_valnumber;
 		}
 		break;
 
@@ -486,23 +573,26 @@ _nc_parse_entry(struct entry *entryp, int literal, bool silent)
     if (!literal) {
 	if (_nc_syntax == SYN_TERMCAP) {
 	    bool has_base_entry = FALSE;
-	    unsigned i;
 
 	    /*
 	     * Don't insert defaults if this is a `+' entry meant only
 	     * for inclusion in other entries (not sure termcap ever
 	     * had these, actually).
 	     */
-	    if (strchr(entryp->tterm.term_names, '+'))
+	    if (strchr(entryp->tterm.term_names, '+')) {
 		has_base_entry = TRUE;
-	    else
+	    } else {
+		unsigned i;
 		/*
 		 * Otherwise, look for a base entry that will already
 		 * have picked up defaults via translation.
 		 */
-		for (i = 0; i < entryp->nuses; i++)
-		    if (!strchr((char *) entryp->uses[i].name, '+'))
+		for (i = 0; i < entryp->nuses; i++) {
+		    if (entryp->uses[i].name != 0
+			&& !strchr(entryp->uses[i].name, '+'))
 			has_base_entry = TRUE;
+		}
+	    }
 
 	    postprocess_termcap(&entryp->tterm, has_base_entry);
 	} else
@@ -517,52 +607,59 @@ NCURSES_EXPORT(int)
 _nc_capcmp(const char *s, const char *t)
 /* compare two string capabilities, stripping out padding */
 {
-    if (!VALID_STRING(s) && !VALID_STRING(t))
-	return (0);
-    else if (!VALID_STRING(s) || !VALID_STRING(t))
-	return (1);
+    bool ok_s = VALID_STRING(s);
+    bool ok_t = VALID_STRING(t);
 
-    for (;;) {
-	if (s[0] == '$' && s[1] == '<') {
-	    for (s += 2;; s++)
-		if (!(isdigit(UChar(*s))
-		      || *s == '.'
-		      || *s == '*'
-		      || *s == '/'
-		      || *s == '>'))
-		    break;
-	}
+    if (ok_s && ok_t) {
+	for (;;) {
+	    if (s[0] == '$' && s[1] == '<') {
+		for (s += 2;; s++) {
+		    if (!(isdigit(UChar(*s))
+			  || *s == '.'
+			  || *s == '*'
+			  || *s == '/'
+			  || *s == '>')) {
+			break;
+		    }
+		}
+	    }
 
-	if (t[0] == '$' && t[1] == '<') {
-	    for (t += 2;; t++)
-		if (!(isdigit(UChar(*t))
-		      || *t == '.'
-		      || *t == '*'
-		      || *t == '/'
-		      || *t == '>'))
-		    break;
-	}
+	    if (t[0] == '$' && t[1] == '<') {
+		for (t += 2;; t++) {
+		    if (!(isdigit(UChar(*t))
+			  || *t == '.'
+			  || *t == '*'
+			  || *t == '/'
+			  || *t == '>')) {
+			break;
+		    }
+		}
+	    }
 
-	/* we've now pushed s and t past any padding they were pointing at */
+	    /* we've now pushed s and t past any padding they pointed at */
 
-	if (*s == '\0' && *t == '\0')
-	    return (0);
+	    if (*s == '\0' && *t == '\0')
+		return (0);
 
-	if (*s != *t)
-	    return (*t - *s);
+	    if (*s != *t)
+		return (*t - *s);
 
-	/* else *s == *t but one is not NUL, so continue */
-	s++, t++;
+	    /* else *s == *t but one is not NUL, so continue */
+	    s++, t++;
+	}
+    } else if (ok_s || ok_t) {
+	return 1;
     }
+    return 0;
 }
 
 static void
-append_acs0(string_desc * dst, int code, int src)
+append_acs0(string_desc * dst, int code, char *src, size_t off)
 {
-    if (src != 0) {
+    if (src != 0 && off < strlen(src)) {
 	char temp[3];
 	temp[0] = (char) code;
-	temp[1] = (char) src;
+	temp[1] = src[off];
 	temp[2] = 0;
 	_nc_safe_strcat(dst, temp);
     }
@@ -571,8 +668,8 @@ append_acs0(string_desc * dst, int code, int src)
 static void
 append_acs(string_desc * dst, int code, char *src)
 {
-    if (src != 0 && strlen(src) == 1) {
-	append_acs0(dst, code, *src);
+    if (VALID_STRING(src) && strlen(src) == 1) {
+	append_acs0(dst, code, src, 0);
     }
 }
 
@@ -581,32 +678,32 @@ append_acs(string_desc * dst, int code, char *src)
  * list.  For each capability, we may assume there is a keycap that sends the
  * string which is the value of that capability.
  */
+#define DATA(from, to) { { from }, { to } }
 typedef struct {
-    const char *from;
-    const char *to;
+    const char from[3];
+    const char to[6];
 } assoc;
 static assoc const ko_xlate[] =
 {
-    {"al", "kil1"},		/* insert line key  -> KEY_IL    */
-    {"bt", "kcbt"},		/* back tab         -> KEY_BTAB  */
-    {"cd", "ked"},		/* clear-to-eos key -> KEY_EOL   */
-    {"ce", "kel"},		/* clear-to-eol key -> KEY_EOS   */
-    {"cl", "kclr"},		/* clear key        -> KEY_CLEAR */
-    {"ct", "tbc"},		/* clear all tabs   -> KEY_CATAB */
-    {"dc", "kdch1"},		/* delete char      -> KEY_DC    */
-    {"dl", "kdl1"},		/* delete line      -> KEY_DL    */
-    {"do", "kcud1"},		/* down key         -> KEY_DOWN  */
-    {"ei", "krmir"},		/* exit insert key  -> KEY_EIC   */
-    {"ho", "khome"},		/* home key         -> KEY_HOME  */
-    {"ic", "kich1"},		/* insert char key  -> KEY_IC    */
-    {"im", "kIC"},		/* insert-mode key  -> KEY_SIC   */
-    {"le", "kcub1"},		/* le key           -> KEY_LEFT  */
-    {"nd", "kcuf1"},		/* nd key           -> KEY_RIGHT */
-    {"nl", "kent"},		/* new line key     -> KEY_ENTER */
-    {"st", "khts"},		/* set-tab key      -> KEY_STAB  */
-    {"ta", CANCELLED_STRING},
-    {"up", "kcuu1"},		/* up-arrow key     -> KEY_UP    */
-    {(char *) 0, (char *) 0},
+    DATA("al", "kil1"),		/* insert line key  -> KEY_IL    */
+    DATA("bt", "kcbt"),		/* back tab         -> KEY_BTAB  */
+    DATA("cd", "ked"),		/* clear-to-eos key -> KEY_EOL   */
+    DATA("ce", "kel"),		/* clear-to-eol key -> KEY_EOS   */
+    DATA("cl", "kclr"),		/* clear key        -> KEY_CLEAR */
+    DATA("ct", "tbc"),		/* clear all tabs   -> KEY_CATAB */
+    DATA("dc", "kdch1"),	/* delete char      -> KEY_DC    */
+    DATA("dl", "kdl1"),		/* delete line      -> KEY_DL    */
+    DATA("do", "kcud1"),	/* down key         -> KEY_DOWN  */
+    DATA("ei", "krmir"),	/* exit insert key  -> KEY_EIC   */
+    DATA("ho", "khome"),	/* home key         -> KEY_HOME  */
+    DATA("ic", "kich1"),	/* insert char key  -> KEY_IC    */
+    DATA("im", "kIC"),		/* insert-mode key  -> KEY_SIC   */
+    DATA("le", "kcub1"),	/* le key           -> KEY_LEFT  */
+    DATA("nd", "kcuf1"),	/* nd key           -> KEY_RIGHT */
+    DATA("nl", "kent"),		/* new line key     -> KEY_ENTER */
+    DATA("st", "khts"),		/* set-tab key      -> KEY_STAB  */
+    DATA("ta", ""),
+    DATA("up", "kcuu1"),	/* up-arrow key     -> KEY_UP    */
 };
 
 /*
@@ -621,13 +718,6 @@ static const char C_BS[] = "\b";
 static const char C_HT[] = "\t";
 
 /*
- * Note that WANTED and PRESENT are not simple inverses!  If a capability
- * has been explicitly cancelled, it's not considered WANTED.
- */
-#define WANTED(s)	((s) == ABSENT_STRING)
-#define PRESENT(s)	(((s) != ABSENT_STRING) && ((s) != CANCELLED_STRING))
-
-/*
  * This bit of legerdemain turns all the terminfo variable names into
  * references to locations in the arrays Booleans, Numbers, and Strings ---
  * precisely what's needed.
@@ -637,7 +727,7 @@ static const char C_HT[] = "\t";
 #define CUR tp->
 
 static void
-postprocess_termcap(TERMTYPE *tp, bool has_base)
+postprocess_termcap(TERMTYPE2 *tp, bool has_base)
 {
     char buf[MAX_LINE * 2 + 2];
     string_desc result;
@@ -652,10 +742,10 @@ postprocess_termcap(TERMTYPE *tp, bool has_base)
 
     /* if there was a tc entry, assume we picked up defaults via that */
     if (!has_base) {
-	if (WANTED(init_3string) && termcap_init2)
+	if (WANTED(init_3string) && PRESENT(termcap_init2))
 	    init_3string = _nc_save_str(termcap_init2);
 
-	if (WANTED(reset_2string) && termcap_reset)
+	if (WANTED(reset_2string) && PRESENT(termcap_reset))
 	    reset_2string = _nc_save_str(termcap_reset);
 
 	if (WANTED(carriage_return)) {
@@ -770,7 +860,7 @@ postprocess_termcap(TERMTYPE *tp, bool has_base)
 	if (init_tabs != 8 && init_tabs != ABSENT_NUMERIC)
 	    _nc_warning("hardware tabs with a width other than 8: %d", init_tabs);
 	else {
-	    if (tab && _nc_capcmp(tab, C_HT))
+	    if (PRESENT(tab) && _nc_capcmp(tab, C_HT))
 		_nc_warning("hardware tabs with a non-^I tab string %s",
 			    _nc_visbuf(tab));
 	    else {
@@ -789,7 +879,6 @@ postprocess_termcap(TERMTYPE *tp, bool has_base)
 	char *bp, *cp, *dp;
 	struct name_table_entry const *from_ptr;
 	struct name_table_entry const *to_ptr;
-	assoc const *ap;
 	char buf2[MAX_TERMINFO_LENGTH];
 	bool foundim;
 
@@ -802,17 +891,21 @@ postprocess_termcap(TERMTYPE *tp, bool has_base)
 	     (cp = strchr(base, ',')) != 0;
 	     base = cp + 1) {
 	    size_t len = (unsigned) (cp - base);
+	    size_t n;
+	    assoc const *ap = 0;
 
-	    for (ap = ko_xlate; ap->from; ap++) {
-		if (len == strlen(ap->from)
-		    && strncmp(ap->from, base, len) == 0)
+	    for (n = 0; n < SIZEOF(ko_xlate); ++n) {
+		if (len == strlen(ko_xlate[n].from)
+		    && strncmp(ko_xlate[n].from, base, len) == 0) {
+		    ap = ko_xlate + n;
 		    break;
+		}
 	    }
-	    if (!(ap->from && ap->to)) {
+	    if (ap == 0) {
 		_nc_warning("unknown capability `%.*s' in ko string",
 			    (int) len, base);
 		continue;
-	    } else if (ap->to == CANCELLED_STRING)	/* ignore it */
+	    } else if (ap->to[0] == '\0')	/* ignore it */
 		continue;
 
 	    /* now we know we found a match in ko_table, so... */
@@ -829,15 +922,14 @@ postprocess_termcap(TERMTYPE *tp, bool has_base)
 	    }
 
 	    if (tp->Strings[to_ptr->nte_index]) {
+		const char *s = tp->Strings[from_ptr->nte_index];
+		const char *t = tp->Strings[to_ptr->nte_index];
 		/* There's no point in warning about it if it's the same
 		 * string; that's just an inefficiency.
 		 */
-		if (strcmp(
-			      tp->Strings[from_ptr->nte_index],
-			      tp->Strings[to_ptr->nte_index]) != 0)
+		if (VALID_STRING(s) && VALID_STRING(t) && strcmp(s, t) != 0)
 		    _nc_warning("%s (%s) already has an explicit value %s, ignoring ko",
-				ap->to, ap->from,
-				_nc_visbuf(tp->Strings[to_ptr->nte_index]));
+				ap->to, ap->from, t);
 		continue;
 	    }
 
@@ -845,17 +937,22 @@ postprocess_termcap(TERMTYPE *tp, bool has_base)
 	     * The magic moment -- copy the mapped key string over,
 	     * stripping out padding.
 	     */
-	    for (dp = buf2, bp = tp->Strings[from_ptr->nte_index]; *bp; bp++) {
-		if (bp[0] == '$' && bp[1] == '<') {
-		    while (*bp && *bp != '>') {
-			++bp;
-		    }
-		} else
-		    *dp++ = *bp;
-	    }
-	    *dp = '\0';
+	    bp = tp->Strings[from_ptr->nte_index];
+	    if (VALID_STRING(bp)) {
+		for (dp = buf2; *bp; bp++) {
+		    if (bp[0] == '$' && bp[1] == '<') {
+			while (*bp && *bp != '>') {
+			    ++bp;
+			}
+		    } else
+			*dp++ = *bp;
+		}
+		*dp = '\0';
 
-	    tp->Strings[to_ptr->nte_index] = _nc_save_str(buf2);
+		tp->Strings[to_ptr->nte_index] = _nc_save_str(buf2);
+	    } else {
+		tp->Strings[to_ptr->nte_index] = bp;
+	    }
 	}
 
 	/*
@@ -864,7 +961,7 @@ postprocess_termcap(TERMTYPE *tp, bool has_base)
 	 * got mapped to kich1 and im to kIC to avoid a collision.
 	 * If the description has im but not ic, hack kIC back to kich1.
 	 */
-	if (foundim && WANTED(key_ic) && key_sic) {
+	if (foundim && WANTED(key_ic) && PRESENT(key_sic)) {
 	    key_ic = key_sic;
 	    key_sic = ABSENT_STRING;
 	}
@@ -916,15 +1013,15 @@ postprocess_termcap(TERMTYPE *tp, bool has_base)
 	    acs_chars = _nc_save_str(buf2);
 	    _nc_warning("acsc string synthesized from XENIX capabilities");
 	}
-    } else if (acs_chars == 0
-	       && enter_alt_charset_mode != 0
-	       && exit_alt_charset_mode != 0) {
+    } else if (acs_chars == ABSENT_STRING
+	       && PRESENT(enter_alt_charset_mode)
+	       && PRESENT(exit_alt_charset_mode)) {
 	acs_chars = _nc_save_str(VT_ACSC);
     }
 }
 
 static void
-postprocess_terminfo(TERMTYPE *tp)
+postprocess_terminfo(TERMTYPE2 *tp)
 {
     /*
      * TERMINFO-TO-TERMINFO MAPPINGS FOR SOURCE TRANSLATION
@@ -941,17 +1038,17 @@ postprocess_terminfo(TERMTYPE *tp)
 	_nc_str_init(&result, buf2, sizeof(buf2));
 	_nc_safe_strcat(&result, acs_chars);
 
-	append_acs0(&result, 'l', box_chars_1[0]);	/* ACS_ULCORNER */
-	append_acs0(&result, 'q', box_chars_1[1]);	/* ACS_HLINE */
-	append_acs0(&result, 'k', box_chars_1[2]);	/* ACS_URCORNER */
-	append_acs0(&result, 'x', box_chars_1[3]);	/* ACS_VLINE */
-	append_acs0(&result, 'j', box_chars_1[4]);	/* ACS_LRCORNER */
-	append_acs0(&result, 'm', box_chars_1[5]);	/* ACS_LLCORNER */
-	append_acs0(&result, 'w', box_chars_1[6]);	/* ACS_TTEE */
-	append_acs0(&result, 'u', box_chars_1[7]);	/* ACS_RTEE */
-	append_acs0(&result, 'v', box_chars_1[8]);	/* ACS_BTEE */
-	append_acs0(&result, 't', box_chars_1[9]);	/* ACS_LTEE */
-	append_acs0(&result, 'n', box_chars_1[10]);	/* ACS_PLUS */
+	append_acs0(&result, 'l', box_chars_1, 0);	/* ACS_ULCORNER */
+	append_acs0(&result, 'q', box_chars_1, 1);	/* ACS_HLINE */
+	append_acs0(&result, 'k', box_chars_1, 2);	/* ACS_URCORNER */
+	append_acs0(&result, 'x', box_chars_1, 3);	/* ACS_VLINE */
+	append_acs0(&result, 'j', box_chars_1, 4);	/* ACS_LRCORNER */
+	append_acs0(&result, 'm', box_chars_1, 5);	/* ACS_LLCORNER */
+	append_acs0(&result, 'w', box_chars_1, 6);	/* ACS_TTEE */
+	append_acs0(&result, 'u', box_chars_1, 7);	/* ACS_RTEE */
+	append_acs0(&result, 'v', box_chars_1, 8);	/* ACS_BTEE */
+	append_acs0(&result, 't', box_chars_1, 9);	/* ACS_LTEE */
+	append_acs0(&result, 'n', box_chars_1, 10);	/* ACS_PLUS */
 
 	if (buf2[0]) {
 	    acs_chars = _nc_save_str(buf2);
diff --git a/ncurses/tinfo/read_entry.c b/ncurses/tinfo/read_entry.c
index 435b0b5d4aef..7102a5f2a276 100644
--- a/ncurses/tinfo/read_entry.c
+++ b/ncurses/tinfo/read_entry.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -41,13 +41,89 @@
 
 #include <tic.h>
 
-MODULE_ID("$Id: read_entry.c,v 1.126 2013/12/15 00:35:36 tom Exp $")
+MODULE_ID("$Id: read_entry.c,v 1.155 2019/07/20 20:23:11 tom Exp $")
 
 #define TYPE_CALLOC(type,elts) typeCalloc(type, (unsigned)(elts))
 
+#define MyNumber(n) (short) LOW_MSB(n)
+
+#define SIZEOF_32BITS 4
+
 #if NCURSES_USE_DATABASE
-static void
-convert_shorts(char *buf, short *Numbers, int count)
+#if NCURSES_EXT_NUMBERS
+static size_t
+convert_16bits(char *buf, NCURSES_INT2 *Numbers, int count)
+{
+    int i;
+    size_t j;
+    size_t size = SIZEOF_SHORT;
+    for (i = 0; i < count; i++) {
+	unsigned mask = 0xff;
+	unsigned char ch = 0;
+	Numbers[i] = 0;
+	for (j = 0; j < size; ++j) {
+	    ch = UChar(*buf++);
+	    Numbers[i] |= (ch << (8 * j));
+	    mask <<= 8;
+	}
+	if (ch & 0x80) {
+	    while (mask != 0) {
+		Numbers[i] |= (int) mask;
+		mask <<= 8;
+	    }
+	}
+	TR(TRACE_DATABASE, ("get Numbers[%d]=%d", i, Numbers[i]));
+    }
+    return size;
+}
+
+static size_t
+convert_32bits(char *buf, NCURSES_INT2 *Numbers, int count)
+{
+    int i;
+    size_t j;
+    size_t size = SIZEOF_INT2;
+    unsigned char ch;
+
+    assert(sizeof(NCURSES_INT2) == size);
+    for (i = 0; i < count; i++) {
+	Numbers[i] = 0;
+	for (j = 0; j < size; ++j) {
+	    ch = UChar(*buf++);
+	    Numbers[i] |= (ch << (8 * j));
+	}
+	/* "unsigned" and NCURSES_INT2 are the same size - no sign-extension */
+	TR(TRACE_DATABASE, ("get Numbers[%d]=%d", i, Numbers[i]));
+    }
+    return size;
+}
+#else
+static size_t
+convert_32bits(char *buf, NCURSES_INT2 *Numbers, int count)
+{
+    int i, j;
+    unsigned char ch;
+    for (i = 0; i < count; i++) {
+	int value = 0;
+	for (j = 0; j < SIZEOF_32BITS; ++j) {
+	    ch = UChar(*buf++);
+	    value |= (ch << (8 * j));
+	}
+	if (value == -1)
+	    Numbers[i] = ABSENT_NUMERIC;
+	else if (value == -2)
+	    Numbers[i] = CANCELLED_NUMERIC;
+	else if (value > MAX_OF_TYPE(NCURSES_INT2))
+	    Numbers[i] = MAX_OF_TYPE(NCURSES_INT2);
+	else
+	    Numbers[i] = (short) value;
+	TR(TRACE_DATABASE, ("get Numbers[%d]=%d", i, Numbers[i]));
+    }
+    return SIZEOF_SHORT;
+}
+
+static size_t
+convert_16bits(char *buf, NCURSES_INT2 *Numbers, int count)
 {
     int i;
     for (i = 0; i < count; i++) {
@@ -56,10 +132,12 @@ convert_shorts(char *buf, short *Numbers, int count)
 	else if (IS_NEG2(buf + 2 * i))
 	    Numbers[i] = CANCELLED_NUMERIC;
 	else
-	    Numbers[i] = (short) LOW_MSB(buf + 2 * i);
+	    Numbers[i] = MyNumber(buf + 2 * i);
 	TR(TRACE_DATABASE, ("get Numbers[%d]=%d", i, Numbers[i]));
     }
+    return SIZEOF_SHORT;
 }
+#endif
 
 static void
 convert_strings(char *buf, char **Strings, int count, int size, char *table)
@@ -72,10 +150,10 @@ convert_strings(char *buf, char **Strings, int count, int size, char *table)
 	    Strings[i] = ABSENT_STRING;
 	} else if (IS_NEG2(buf + 2 * i)) {
 	    Strings[i] = CANCELLED_STRING;
-	} else if ((int) LOW_MSB(buf + 2 * i) > size) {
+	} else if (MyNumber(buf + 2 * i) > size) {
 	    Strings[i] = ABSENT_STRING;
 	} else {
-	    Strings[i] = (LOW_MSB(buf + 2 * i) + table);
+	    Strings[i] = (MyNumber(buf + 2 * i) + table);
 	    TR(TRACE_DATABASE, ("Strings[%d] = %s", i, _nc_visbuf(Strings[i])));
 	}
 
@@ -110,13 +188,17 @@ fake_read(char *src, int *offset, int limit, char *dst, unsigned want)
 #define Read(buf, count) fake_read(buffer, &offset, limit, (char *) buf, (unsigned) count)
 
 #define read_shorts(buf, count) \
-	(Read(buf, (count)*2) == (int) (count)*2)
+	(Read(buf, (count)*SIZEOF_SHORT) == (int) (count)*SIZEOF_SHORT)
+
+#define read_numbers(buf, count) \
+	(Read(buf, (count)*(unsigned)size_of_numbers) == (int) (count)*size_of_numbers)
 
 #define even_boundary(value) \
     if ((value) % 2 != 0) Read(buf, 1)
+#endif
 
 NCURSES_EXPORT(void)
-_nc_init_termtype(TERMTYPE *const tp)
+_nc_init_termtype(TERMTYPE2 *const tp)
 {
     unsigned i;
 
@@ -131,7 +213,7 @@ _nc_init_termtype(TERMTYPE *const tp)
     if (tp->Booleans == 0)
 	TYPE_MALLOC(NCURSES_SBOOL, BOOLCOUNT, tp->Booleans);
     if (tp->Numbers == 0)
-	TYPE_MALLOC(short, NUMCOUNT, tp->Numbers);
+	TYPE_MALLOC(NCURSES_INT2, NUMCOUNT, tp->Numbers);
     if (tp->Strings == 0)
 	TYPE_MALLOC(char *, STRCOUNT, tp->Strings);
 
@@ -145,11 +227,28 @@ _nc_init_termtype(TERMTYPE *const tp)
 	tp->Strings[i] = ABSENT_STRING;
 }
 
+#if NCURSES_USE_DATABASE
+#if NCURSES_XNAMES
+static bool
+valid_shorts(char *buffer, int limit)
+{
+    bool result = FALSE;
+    int n;
+    for (n = 0; n < limit; ++n) {
+	if (MyNumber(buffer + (n * 2)) > 0) {
+	    result = TRUE;
+	    break;
+	}
+    }
+    return result;
+}
+#endif
+
 /*
  * Return TGETENT_YES if read, TGETENT_NO if not found or garbled.
  */
 NCURSES_EXPORT(int)
-_nc_read_termtype(TERMTYPE *ptr, char *buffer, int limit)
+_nc_read_termtype(TERMTYPE2 *ptr, char *buffer, int limit)
 {
     int offset = 0;
     int name_size, bool_count, num_count, str_count, str_size;
@@ -157,6 +256,14 @@ _nc_read_termtype(TERMTYPE *ptr, char *buffer, int limit)
     char buf[MAX_ENTRY_SIZE + 2];
     char *string_table;
     unsigned want, have;
+    bool need_ints;
+    size_t (*convert_numbers) (char *, NCURSES_INT2 *, int);
+    int size_of_numbers;
+    int max_entry_size = MAX_ENTRY_SIZE;
+
+    TR(TRACE_DATABASE,
+       (T_CALLED("_nc_read_termtype(ptr=%p, buffer=%p, limit=%d)"),
+	(void *) ptr, buffer, limit));
 
     TR(TRACE_DATABASE, ("READ termtype header @%d", offset));
 
@@ -165,14 +272,33 @@ _nc_read_termtype(TERMTYPE *ptr, char *buffer, int limit)
     /* grab the header */
     if (!read_shorts(buf, 6)
 	|| !IS_TIC_MAGIC(buf)) {
-	return (TGETENT_NO);
+	returnDB(TGETENT_NO);
+    }
+#if NCURSES_EXT_NUMBERS
+    if ((need_ints = (LOW_MSB(buf) == MAGIC2))) {
+	convert_numbers = convert_32bits;
+	size_of_numbers = SIZEOF_INT2;
+    } else {
+	max_entry_size = MAX_ENTRY_SIZE1;
+	convert_numbers = convert_16bits;
+	size_of_numbers = SIZEOF_SHORT;
+    }
+#else
+    if ((need_ints = (LOW_MSB(buf) == MAGIC2))) {
+	convert_numbers = convert_32bits;
+	size_of_numbers = SIZEOF_32BITS;
+    } else {
+	convert_numbers = convert_16bits;
+	size_of_numbers = SIZEOF_INT2;
     }
+#endif
 
-    name_size = LOW_MSB(buf + 2);
-    bool_count = LOW_MSB(buf + 4);
-    num_count = LOW_MSB(buf + 6);
-    str_count = LOW_MSB(buf + 8);
-    str_size = LOW_MSB(buf + 10);
+    /* *INDENT-EQLS* */
+    name_size  = MyNumber(buf + 2);
+    bool_count = MyNumber(buf + 4);
+    num_count  = MyNumber(buf + 6);
+    str_count  = MyNumber(buf + 8);
+    str_size   = MyNumber(buf + 10);
 
     TR(TRACE_DATABASE,
        ("TERMTYPE name_size=%d, bool=%d/%d, num=%d/%d str=%d/%d(%d)",
@@ -183,21 +309,14 @@ _nc_read_termtype(TERMTYPE *ptr, char *buffer, int limit)
 	|| num_count < 0
 	|| str_count < 0
 	|| str_size < 0) {
-	return (TGETENT_NO);
+	returnDB(TGETENT_NO);
     }
 
     want = (unsigned) (str_size + name_size + 1);
-    if (str_size) {
-	/* try to allocate space for the string table */
-	if (str_count * 2 >= MAX_ENTRY_SIZE
-	    || (string_table = typeMalloc(char, want)) == 0) {
-	    return (TGETENT_NO);
-	}
-    } else {
-	str_count = 0;
-	if ((string_table = typeMalloc(char, want)) == 0) {
-	    return (TGETENT_NO);
-	}
+    /* try to allocate space for the string table */
+    if (str_count * SIZEOF_SHORT >= max_entry_size
+	|| (string_table = typeMalloc(char, want)) == 0) {
+	returnDB(TGETENT_NO);
     }
 
     /* grab the name (a null-terminated string) */
@@ -217,7 +336,7 @@ _nc_read_termtype(TERMTYPE *ptr, char *buffer, int limit)
     if ((ptr->Booleans = TYPE_CALLOC(NCURSES_SBOOL,
 				     max(BOOLCOUNT, bool_count))) == 0
 	|| Read(ptr->Booleans, (unsigned) bool_count) < bool_count) {
-	return (TGETENT_NO);
+	returnDB(TGETENT_NO);
     }
 
     /*
@@ -229,23 +348,25 @@ _nc_read_termtype(TERMTYPE *ptr, char *buffer, int limit)
     even_boundary(name_size + bool_count);
 
     /* grab the numbers */
-    if ((ptr->Numbers = TYPE_CALLOC(short, max(NUMCOUNT, num_count))) == 0
-	|| !read_shorts(buf, num_count)) {
-	return (TGETENT_NO);
+    if (!(ptr->Numbers = TYPE_CALLOC(NCURSES_INT2, max(NUMCOUNT, num_count)))
+	|| !read_numbers(buf, num_count)) {
+	returnDB(TGETENT_NO);
     }
-    convert_shorts(buf, ptr->Numbers, num_count);
+    convert_numbers(buf, ptr->Numbers, num_count);
 
-    if ((ptr->Strings = TYPE_CALLOC(char *, max(STRCOUNT, str_count))) == 0)
-	  return (TGETENT_NO);
+    if ((ptr->Strings = TYPE_CALLOC(char *, max(STRCOUNT, str_count))) == 0) {
+	returnDB(TGETENT_NO);
+    }
 
     if (str_count) {
 	/* grab the string offsets */
 	if (!read_shorts(buf, str_count)) {
-	    return (TGETENT_NO);
+	    returnDB(TGETENT_NO);
 	}
 	/* finally, grab the string table itself */
-	if (Read(string_table, (unsigned) str_size) != str_size)
-	    return (TGETENT_NO);
+	if (Read(string_table, (unsigned) str_size) != str_size) {
+	    returnDB(TGETENT_NO);
+	}
 	convert_strings(buf, ptr->Strings, str_count, str_size, string_table);
     }
 #if NCURSES_XNAMES
@@ -259,77 +380,93 @@ _nc_read_termtype(TERMTYPE *ptr, char *buffer, int limit)
      */
     even_boundary(str_size);
     TR(TRACE_DATABASE, ("READ extended_header @%d", offset));
-    if (_nc_user_definable && read_shorts(buf, 5)) {
-	int ext_bool_count = LOW_MSB(buf + 0);
-	int ext_num_count = LOW_MSB(buf + 2);
-	int ext_str_count = LOW_MSB(buf + 4);
-	int ext_str_size = LOW_MSB(buf + 6);
-	int ext_str_limit = LOW_MSB(buf + 8);
+    if (_nc_user_definable && read_shorts(buf, 5) && valid_shorts(buf, 5)) {
+	int ext_bool_count = MyNumber(buf + 0);
+	int ext_num_count = MyNumber(buf + 2);
+	int ext_str_count = MyNumber(buf + 4);
+	int ext_str_usage = MyNumber(buf + 6);
+	int ext_str_limit = MyNumber(buf + 8);
 	unsigned need = (unsigned) (ext_bool_count + ext_num_count + ext_str_count);
 	int base = 0;
 
-	if (need >= (MAX_ENTRY_SIZE / 2)
-	    || ext_str_size >= MAX_ENTRY_SIZE
-	    || ext_str_limit >= MAX_ENTRY_SIZE
+	if ((int) need >= (max_entry_size / 2)
+	    || ext_str_usage >= max_entry_size
+	    || ext_str_limit >= max_entry_size
 	    || ext_bool_count < 0
 	    || ext_num_count < 0
 	    || ext_str_count < 0
-	    || ext_str_size < 0
-	    || ext_str_limit < 0)
-	    return (TGETENT_NO);
+	    || ext_str_usage < 0
+	    || ext_str_limit < 0) {
+	    returnDB(TGETENT_NO);
+	}
 
 	ptr->num_Booleans = UShort(BOOLCOUNT + ext_bool_count);
 	ptr->num_Numbers = UShort(NUMCOUNT + ext_num_count);
 	ptr->num_Strings = UShort(STRCOUNT + ext_str_count);
 
 	TYPE_REALLOC(NCURSES_SBOOL, ptr->num_Booleans, ptr->Booleans);
-	TYPE_REALLOC(short, ptr->num_Numbers, ptr->Numbers);
+	TYPE_REALLOC(NCURSES_INT2, ptr->num_Numbers, ptr->Numbers);
 	TYPE_REALLOC(char *, ptr->num_Strings, ptr->Strings);
 
-	TR(TRACE_DATABASE, ("extended header is %d/%d/%d(%d:%d)",
-			    ext_bool_count, ext_num_count, ext_str_count,
-			    ext_str_size, ext_str_limit));
+	TR(TRACE_DATABASE, ("extended header: "
+			    "bool %d, "
+			    "number %d, "
+			    "string %d(%d:%d)",
+			    ext_bool_count,
+			    ext_num_count,
+			    ext_str_count,
+			    ext_str_usage,
+			    ext_str_limit));
 
 	TR(TRACE_DATABASE, ("READ %d extended-booleans @%d",
 			    ext_bool_count, offset));
 	if ((ptr->ext_Booleans = UShort(ext_bool_count)) != 0) {
 	    if (Read(ptr->Booleans + BOOLCOUNT, (unsigned)
-		     ext_bool_count) != ext_bool_count)
-		return (TGETENT_NO);
+		     ext_bool_count) != ext_bool_count) {
+		returnDB(TGETENT_NO);
+	    }
 	}
 	even_boundary(ext_bool_count);
 
 	TR(TRACE_DATABASE, ("READ %d extended-numbers @%d",
 			    ext_num_count, offset));
 	if ((ptr->ext_Numbers = UShort(ext_num_count)) != 0) {
-	    if (!read_shorts(buf, ext_num_count))
-		return (TGETENT_NO);
+	    if (!read_numbers(buf, ext_num_count)) {
+		returnDB(TGETENT_NO);
+	    }
 	    TR(TRACE_DATABASE, ("Before converting extended-numbers"));
-	    convert_shorts(buf, ptr->Numbers + NUMCOUNT, ext_num_count);
+	    convert_numbers(buf, ptr->Numbers + NUMCOUNT, ext_num_count);
 	}
 
 	TR(TRACE_DATABASE, ("READ extended-offsets @%d", offset));
-	if ((unsigned) (ext_str_count + (int) need) >= (MAX_ENTRY_SIZE / 2))
-	    return (TGETENT_NO);
+	if ((ext_str_count + (int) need) >= (max_entry_size / 2)) {
+	    returnDB(TGETENT_NO);
+	}
 	if ((ext_str_count || need)
-	    && !read_shorts(buf, ext_str_count + (int) need))
-	    return (TGETENT_NO);
+	    && !read_shorts(buf, ext_str_count + (int) need)) {
+	    returnDB(TGETENT_NO);
+	}
 
 	TR(TRACE_DATABASE, ("READ %d bytes of extended-strings @%d",
 			    ext_str_limit, offset));
 
 	if (ext_str_limit) {
 	    ptr->ext_str_table = typeMalloc(char, (size_t) ext_str_limit);
-	    if (ptr->ext_str_table == 0)
-		return (TGETENT_NO);
-	    if (Read(ptr->ext_str_table, (unsigned) ext_str_limit) != ext_str_limit)
-		return (TGETENT_NO);
+	    if (ptr->ext_str_table == 0) {
+		returnDB(TGETENT_NO);
+	    }
+	    if (Read(ptr->ext_str_table, (unsigned) ext_str_limit) != ext_str_limit) {
+		returnDB(TGETENT_NO);
+	    }
 	    TR(TRACE_DATABASE, ("first extended-string is %s", _nc_visbuf(ptr->ext_str_table)));
 	}
 
 	if ((ptr->ext_Strings = UShort(ext_str_count)) != 0) {
+	    int check = (ext_bool_count + ext_num_count + ext_str_count);
+
 	    TR(TRACE_DATABASE,
-	       ("Before computing extended-string capabilities str_count=%d, ext_str_count=%d",
+	       ("Before computing extended-string capabilities "
+		"str_count=%d, ext_str_count=%d",
 		str_count, ext_str_count));
 	    convert_strings(buf, ptr->Strings + str_count, ext_str_count,
 			    ext_str_limit, ptr->ext_str_table);
@@ -338,19 +475,31 @@ _nc_read_termtype(TERMTYPE *ptr, char *buffer, int limit)
 				    i, i + str_count,
 				    _nc_visbuf(ptr->Strings[i + str_count])));
 		ptr->Strings[i + STRCOUNT] = ptr->Strings[i + str_count];
-		if (VALID_STRING(ptr->Strings[i + STRCOUNT]))
+		if (VALID_STRING(ptr->Strings[i + STRCOUNT])) {
 		    base += (int) (strlen(ptr->Strings[i + STRCOUNT]) + 1);
+		    ++check;
+		}
 		TR(TRACE_DATABASE, ("... to    [%d] %s",
 				    i + STRCOUNT,
 				    _nc_visbuf(ptr->Strings[i + STRCOUNT])));
 	    }
+	    TR(TRACE_DATABASE, ("Check table-size: %d/%d", check, ext_str_usage));
+#if 0
+	    /*
+	     * Phasing in a proper check will be done "later".
+	     */
+	    if (check != ext_str_usage)
+		returnDB(TGETENT_NO);
+#endif
 	}
 
 	if (need) {
-	    if (ext_str_count >= (MAX_ENTRY_SIZE / 2))
-		return (TGETENT_NO);
-	    if ((ptr->ext_Names = TYPE_CALLOC(char *, need)) == 0)
-		  return (TGETENT_NO);
+	    if (ext_str_count >= (max_entry_size / 2)) {
+		returnDB(TGETENT_NO);
+	    }
+	    if ((ptr->ext_Names = TYPE_CALLOC(char *, need)) == 0) {
+		returnDB(TGETENT_NO);
+	    }
 	    TR(TRACE_DATABASE,
 	       ("ext_NAMES starting @%d in extended_strings, first = %s",
 		base, _nc_visbuf(ptr->ext_str_table + base)));
@@ -384,7 +533,7 @@ _nc_read_termtype(TERMTYPE *ptr, char *buffer, int limit)
     for (i = str_count; i < STRCOUNT; i++)
 	ptr->Strings[i] = ABSENT_STRING;
 
-    return (TGETENT_YES);
+    returnDB(TGETENT_YES);
 }
 
 /*
@@ -396,25 +545,26 @@ _nc_read_termtype(TERMTYPE *ptr, char *buffer, int limit)
  *	table.
  */
 NCURSES_EXPORT(int)
-_nc_read_file_entry(const char *const filename, TERMTYPE *ptr)
+_nc_read_file_entry(const char *const filename, TERMTYPE2 *ptr)
 /* return 1 if read, 0 if not found or garbled */
 {
     FILE *fp = 0;
     int code;
-    int limit;
-    char buffer[MAX_ENTRY_SIZE + 1];
 
     if (_nc_access(filename, R_OK) < 0
-	|| (fp = fopen(filename, "rb")) == 0) {
+	|| (fp = fopen(filename, BIN_R)) == 0) {
 	TR(TRACE_DATABASE, ("cannot open terminfo %s (errno=%d)", filename, errno));
 	code = TGETENT_NO;
     } else {
+	int limit;
+	char buffer[MAX_ENTRY_SIZE + 1];
+
 	if ((limit = (int) fread(buffer, sizeof(char), sizeof(buffer), fp))
 	    > 0) {
 
 	    TR(TRACE_DATABASE, ("read terminfo %s", filename));
 	    if ((code = _nc_read_termtype(ptr, buffer, limit)) == TGETENT_NO) {
-		_nc_free_termtype(ptr);
+		_nc_free_termtype2(ptr);
 	    }
 	} else {
 	    code = TGETENT_NO;
@@ -477,6 +627,106 @@ make_dir_filename(char *filename,
     return result;
 }
 
+static int
+lookup_b64(int *target, const char **source)
+{
+    int result = 3;
+    int j;
+    /*
+     * ncurses' quickdump writes only RFC 4648 "url/filename-safe" encoding,
+     * but accepts RFC-3548
+     */
+    for (j = 0; j < 4; ++j) {
+	int ch = UChar(**source);
+	*source += 1;
+	if (ch >= 'A' && ch <= 'Z') {
+	    target[j] = (ch - 'A');
+	} else if (ch >= 'a' && ch <= 'z') {
+	    target[j] = 26 + (ch - 'a');
+	} else if (ch >= '0' && ch <= '9') {
+	    target[j] = 52 + (ch - '0');
+	} else if (ch == '-' || ch == '+') {
+	    target[j] = 62;
+	} else if (ch == '_' || ch == '/') {
+	    target[j] = 63;
+	} else if (ch == '=') {
+	    target[j] = 64;
+	    result--;
+	} else {
+	    result = -1;
+	    break;
+	}
+    }
+    return result;
+}
+
+static int
+decode_hex(const char **source)
+{
+    int result = 0;
+    int nibble;
+    int ch;
+
+    for (nibble = 0; nibble < 2; ++nibble) {
+	result <<= 4;
+	ch = UChar(**source);
+	*source += 1;
+	if (ch >= '0' && ch <= '9') {
+	    ch -= '0';
+	} else if (ch >= 'A' && ch <= 'F') {
+	    ch -= 'A';
+	    ch += 10;
+	} else if (ch >= 'a' && ch <= 'f') {
+	    ch -= 'a';
+	    ch += 10;
+	} else {
+	    result = -1;
+	    break;
+	}
+	result |= ch;
+    }
+    return result;
+}
+
+static int
+decode_quickdump(char *target, const char *source)
+{
+    char *base = target;
+    int result = 0;
+
+    if (!strncmp(source, "b64:", (size_t) 4)) {
+	source += 4;
+	while (*source != '\0') {
+	    int bits[4];
+	    int ch = lookup_b64(bits, &source);
+	    if (ch < 0 || (ch + target - base) >= MAX_ENTRY_SIZE) {
+		result = 0;
+		break;
+	    }
+	    result += ch;
+	    *target++ = (char) ((bits[0] << 2) | (bits[1] >> 4));
+	    if (bits[2] < 64) {
+		*target++ = (char) ((bits[1] << 4) | (bits[2] >> 2));
+		if (bits[3] < 64) {
+		    *target++ = (char) ((bits[2] << 6) | bits[3]);
+		}
+	    }
+	}
+    } else if (!strncmp(source, "hex:", (size_t) 4)) {
+	source += 4;
+	while (*source != '\0') {
+	    int ch = decode_hex(&source);
+	    if (ch < 0 || (target - base) >= MAX_ENTRY_SIZE) {
+		result = 0;
+		break;
+	    }
+	    *target++ = (char) ch;
+	    ++result;
+	}
+    }
+    return result;
+}
+
 /*
  * Build a terminfo pathname and try to read the data.  Returns TGETENT_YES on
  * success, TGETENT_NO on failure.
@@ -486,15 +736,31 @@ _nc_read_tic_entry(char *filename,
 		   unsigned limit,
 		   const char *const path,
 		   const char *name,
-		   TERMTYPE *const tp)
+		   TERMTYPE2 *const tp)
 {
     int code = TGETENT_NO;
-
 #if USE_HASHED_DB
     DB *capdbp;
+#endif
+    char buffer[MAX_ENTRY_SIZE + 1];
+    int used;
+
+    TR(TRACE_DATABASE,
+       (T_CALLED("_nc_read_tic_entry(file=%p, path=%s, name=%s)"),
+	filename, path, name));
 
-    if (make_db_filename(filename, limit, path)
-	&& (capdbp = _nc_db_open(filename, FALSE)) != 0) {
+    assert(TGETENT_YES == TRUE);	/* simplify call for _nc_name_match */
+
+    if ((used = decode_quickdump(buffer, path)) != 0
+	&& (code = _nc_read_termtype(tp, buffer, used)) == TGETENT_YES
+	&& (code = _nc_name_match(tp->term_names, name, "|")) == TGETENT_YES) {
+	TR(TRACE_DATABASE, ("loaded quick-dump for %s", name));
+	/* shorten name shown by infocmp */
+	_nc_STRCPY(filename, "$TERMINFO", limit);
+    } else
+#if USE_HASHED_DB
+	if (make_db_filename(filename, limit, path)
+	    && (capdbp = _nc_db_open(filename, FALSE)) != 0) {
 
 	DBT key, data;
 	int reccnt = 0;
@@ -520,15 +786,15 @@ _nc_read_tic_entry(char *filename,
 	 * (source/binary) by checking the lengths.
 	 */
 	while (_nc_db_get(capdbp, &key, &data) == 0) {
-	    int used = (int) data.size - 1;
 	    char *have = (char *) data.data;
+	    used = (int) data.size - 1;
 
 	    if (*have++ == 0) {
 		if (data.size > key.size
 		    && IS_TIC_MAGIC(have)) {
 		    code = _nc_read_termtype(tp, have, used);
 		    if (code == TGETENT_NO) {
-			_nc_free_termtype(tp);
+			_nc_free_termtype2(tp);
 		    }
 		}
 		break;
@@ -555,30 +821,29 @@ _nc_read_tic_entry(char *filename,
 	code = _nc_read_file_entry(filename, tp);
     }
 #if NCURSES_USE_TERMCAP
-    else if (code != TGETENT_YES) {
+    if (code != TGETENT_YES) {
 	code = _nc_read_termcap_entry(name, tp);
 	_nc_SPRINTF(filename, _nc_SLIMIT(PATH_MAX)
 		    "%.*s", PATH_MAX - 1, _nc_get_source());
     }
 #endif
-    return code;
+    returnDB(code);
 }
 #endif /* NCURSES_USE_DATABASE */
 
 /*
- *	_nc_read_entry(char *name, char *filename, TERMTYPE *tp)
- *
- *	Find and read the compiled entry for a given terminal type,
- *	if it exists.  We take pains here to make sure no combination
- *	of environment variables and terminal type name can be used to
- *	overrun the file buffer.
+ * Find and read the compiled entry for a given terminal type, if it exists. 
+ * We take pains here to make sure no combination of environment variables and
+ * terminal type name can be used to overrun the file buffer.
  */
-
 NCURSES_EXPORT(int)
-_nc_read_entry(const char *const name, char *const filename, TERMTYPE *const tp)
+_nc_read_entry2(const char *const name, char *const filename, TERMTYPE2 *const tp)
 {
     int code = TGETENT_NO;
 
+    if (name == 0)
+	return _nc_read_entry2("", filename, tp);
+
     _nc_SPRINTF(filename, _nc_SLIMIT(PATH_MAX)
 		"%.*s", PATH_MAX - 1, name);
 
@@ -595,8 +860,8 @@ _nc_read_entry(const char *const name, char *const filename, TERMTYPE *const tp)
 	const char *path;
 
 	_nc_first_db(&state, &offset);
+	code = TGETENT_ERR;
 	while ((path = _nc_next_db(&state, &offset)) != 0) {
-	    TR(TRACE_DATABASE, ("_nc_read_tic_entry path=%s, name=%s", path, name));
 	    code = _nc_read_tic_entry(filename, PATH_MAX, path, name, tp);
 	    if (code == TGETENT_YES) {
 		_nc_last_db();
@@ -613,3 +878,19 @@ _nc_read_entry(const char *const name, char *const filename, TERMTYPE *const tp)
     }
     return code;
 }
+
+#if NCURSES_EXT_NUMBERS
+/*
+ * This entrypoint is used by tack.
+ */
+NCURSES_EXPORT(int)
+_nc_read_entry(const char *const name, char *const filename, TERMTYPE *const tp)
+{
+    TERMTYPE2 dummy;
+    int rc;
+    rc = _nc_read_entry2(name, filename, &dummy);
+    if (rc == TGETENT_YES)
+	_nc_export_termtype2(tp, &dummy);
+    return rc;
+}
+#endif
diff --git a/ncurses/tinfo/read_termcap.c b/ncurses/tinfo/read_termcap.c
index 6bfb23cdc643..ecf76d9be751 100644
--- a/ncurses/tinfo/read_termcap.c
+++ b/ncurses/tinfo/read_termcap.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -56,7 +56,7 @@
 #include <sys/types.h>
 #include <tic.h>
 
-MODULE_ID("$Id: read_termcap.c,v 1.89 2013/12/15 00:32:43 tom Exp $")
+MODULE_ID("$Id: read_termcap.c,v 1.97 2019/01/26 20:07:30 tom Exp $")
 
 #if !PURE_TERMINFO
 
@@ -66,10 +66,10 @@ MODULE_ID("$Id: read_termcap.c,v 1.89 2013/12/15 00:32:43 tom Exp $")
 #define TC_REF_LOOP   -3
 #define TC_UNRESOLVED -4	/* this is not returned by BSD cgetent */
 
-static NCURSES_CONST char *
+static const char *
 get_termpath(void)
 {
-    NCURSES_CONST char *result;
+    const char *result;
 
     if (!use_terminfo_vars() || (result = getenv("TERMPATH")) == 0)
 	result = TERMPATH;
@@ -364,7 +364,7 @@ _nc_getent(
 			if (bp >= b_end) {
 			    int n;
 
-			    n = read(fd, buf, sizeof(buf));
+			    n = (int) read(fd, buf, sizeof(buf));
 			    if (n <= 0) {
 				if (myfd)
 				    (void) close(fd);
@@ -393,7 +393,7 @@ _nc_getent(
 				|| *(rp - 1) != '\\')
 				break;
 			}
-			*rp++ = c;
+			*rp++ = (char) c;
 
 			/*
 			 * Enforce loop invariant: if no room
@@ -404,8 +404,8 @@ _nc_getent(
 			    unsigned pos;
 			    size_t newsize;
 
-			    pos = rp - record;
-			    newsize = r_end - record + BFRAG;
+			    pos = (unsigned) (rp - record);
+			    newsize = (size_t) (r_end - record + BFRAG);
 			    record = DOALLOC(newsize);
 			    if (record == 0) {
 				if (myfd)
@@ -492,14 +492,14 @@ _nc_getent(
 		}
 	    }
 	    tcstart = tc - 3;
-	    tclen = s - tcstart;
+	    tclen = (int) (s - tcstart);
 	    tcend = s;
 
 	    icap = 0;
 	    iret = _nc_getent(&icap, &ilen, &oline, current, db_array, fd,
 			      tc, depth + 1, 0);
 	    newicap = icap;	/* Put into a register. */
-	    newilen = ilen;
+	    newilen = (int) ilen;
 	    if (iret != TC_SUCCESS) {
 		/* an error */
 		if (iret < TC_NOT_FOUND) {
@@ -523,7 +523,7 @@ _nc_getent(
 	    /* not interested in name field of tc'ed record */
 	    s = newicap;
 	    while (*s != '\0' && *s++ != ':') ;
-	    newilen -= s - newicap;
+	    newilen -= (int) (s - newicap);
 	    newicap = s;
 
 	    /* make sure interpolated record is `:'-terminated */
@@ -542,10 +542,10 @@ _nc_getent(
 		unsigned pos, tcpos, tcposend;
 		size_t newsize;
 
-		pos = rp - record;
-		newsize = r_end - record + diff + BFRAG;
-		tcpos = tcstart - record;
-		tcposend = tcend - record;
+		pos = (unsigned) (rp - record);
+		newsize = (size_t) (r_end - record + diff + BFRAG);
+		tcpos = (unsigned) (tcstart - record);
+		tcposend = (unsigned) (tcend - record);
 		record = DOALLOC(newsize);
 		if (record == 0) {
 		    if (myfd)
@@ -583,7 +583,7 @@ _nc_getent(
      */
     if (myfd)
 	(void) close(fd);
-    *len = rp - record - 1;	/* don't count NUL */
+    *len = (unsigned) (rp - record - 1);	/* don't count NUL */
     if (r_end > rp) {
 	if ((record = DOALLOC((size_t) (rp - record))) == 0) {
 	    errno = ENOMEM;
@@ -791,7 +791,7 @@ _nc_tgetent(char *bp, char **sourcename, int *lineno, const char *name)
     int i;
     char pathbuf[PBUFSIZ];	/* holds raw path of filenames */
     CGETENT_CONST char *pathvec[PVECSIZ];	/* point to names in pathbuf */
-    NCURSES_CONST char *termpath;
+    const char *termpath;
     string_desc desc;
 
     *lineno = 1;
@@ -956,7 +956,7 @@ add_tc(char *termpaths[], char *path, int count)
 #endif /* !USE_GETCAP */
 
 NCURSES_EXPORT(int)
-_nc_read_termcap_entry(const char *const tn, TERMTYPE *const tp)
+_nc_read_termcap_entry(const char *const tn, TERMTYPE2 *const tp)
 {
     int found = TGETENT_NO;
     ENTRY *ep;
@@ -965,6 +965,8 @@ _nc_read_termcap_entry(const char *const tn, TERMTYPE *const tp)
 #endif
 #if USE_GETCAP
     char *p, tc[TBUFSIZ];
+    char *tc_buf = 0;
+#define MY_SIZE sizeof(tc) - 1
     int status;
     static char *source;
     static int lineno;
@@ -982,8 +984,7 @@ _nc_read_termcap_entry(const char *const tn, TERMTYPE *const tp)
     if (use_terminfo_vars() && (p = getenv("TERMCAP")) != 0
 	&& !_nc_is_abs_path(p) && _nc_name_match(p, tn, "|:")) {
 	/* TERMCAP holds a termcap entry */
-	strncpy(tc, p, sizeof(tc) - 1);
-	tc[sizeof(tc) - 1] = '\0';
+	tc_buf = strdup(p);
 	_nc_set_source("TERMCAP");
     } else {
 	/* we're using getcap(3) */
@@ -992,8 +993,13 @@ _nc_read_termcap_entry(const char *const tn, TERMTYPE *const tp)
 
 	_nc_curr_line = lineno;
 	_nc_set_source(source);
+	tc_buf = tc;
     }
-    _nc_read_entry_source((FILE *) 0, tc, FALSE, TRUE, NULLHOOK);
+    if (tc_buf == 0)
+	return (TGETENT_ERR);
+    _nc_read_entry_source((FILE *) 0, tc_buf, FALSE, TRUE, NULLHOOK);
+    if (tc_buf != tc)
+	free(tc_buf);
 #else
     /*
      * Here is what the 4.4BSD termcap(3) page prescribes:
@@ -1027,7 +1033,7 @@ _nc_read_termcap_entry(const char *const tn, TERMTYPE *const tp)
     int j, k;
     bool use_buffer = FALSE;
     bool normal = TRUE;
-    char tc_buf[1024];
+    char *tc_buf = 0;
     char pathbuf[PATH_MAX];
     char *copied = 0;
     char *cp;
@@ -1039,10 +1045,8 @@ _nc_read_termcap_entry(const char *const tn, TERMTYPE *const tp)
 	    ADD_TC(tc, 0);
 	    normal = FALSE;
 	} else if (_nc_name_match(tc, tn, "|:")) {	/* treat as a capability file */
-	    use_buffer = TRUE;
-	    _nc_SPRINTF(tc_buf,
-			_nc_SLIMIT(sizeof(tc_buf))
-			"%.*s\n", (int) sizeof(tc_buf) - 2, tc);
+	    tc_buf = strdup(tc);
+	    use_buffer = (tc_buf != 0);
 	    normal = FALSE;
 	}
     }
@@ -1111,6 +1115,7 @@ _nc_read_termcap_entry(const char *const tn, TERMTYPE *const tp)
 	 * that since it's just a single entry, they won't be a pain.
 	 */
 	_nc_read_entry_source((FILE *) 0, tc_buf, FALSE, FALSE, NULLHOOK);
+	free(tc_buf);
     } else {
 	int i;
 
@@ -1140,7 +1145,8 @@ _nc_read_termcap_entry(const char *const tn, TERMTYPE *const tp)
 	return (TGETENT_ERR);
 
     /* resolve all use references */
-    _nc_resolve_uses2(TRUE, FALSE);
+    if (_nc_resolve_uses2(TRUE, FALSE) != TRUE)
+	return (TGETENT_ERR);
 
     /* find a terminal matching tn, if we can */
 #if USE_GETCAP_CACHE
diff --git a/ncurses/tinfo/strings.c b/ncurses/tinfo/strings.c
index 393d8e7cab3e..10ec6c8d8ac9 100644
--- a/ncurses/tinfo/strings.c
+++ b/ncurses/tinfo/strings.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2000-2007,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 2000-2012,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -35,8 +35,9 @@
 **/
 
 #include <curses.priv.h>
+#include <tic.h>
 
-MODULE_ID("$Id: strings.c,v 1.8 2012/02/22 22:34:31 tom Exp $")
+MODULE_ID("$Id: strings.c,v 1.9 2017/08/26 13:16:11 tom Exp $")
 
 /****************************************************************************
  * Useful string functions (especially for mvcur)
@@ -105,7 +106,7 @@ _nc_str_copy(string_desc * dst, string_desc * src)
 NCURSES_EXPORT(bool)
 _nc_safe_strcat(string_desc * dst, const char *src)
 {
-    if (src != 0) {
+    if (PRESENT(src)) {
 	size_t len = strlen(src);
 
 	if (len < dst->s_size) {
@@ -126,7 +127,7 @@ _nc_safe_strcat(string_desc * dst, const char *src)
 NCURSES_EXPORT(bool)
 _nc_safe_strcpy(string_desc * dst, const char *src)
 {
-    if (src != 0) {
+    if (PRESENT(src)) {
 	size_t len = strlen(src);
 
 	if (len < dst->s_size) {
diff --git a/ncurses/tinfo/tinfo_driver.c b/ncurses/tinfo/tinfo_driver.c
index 11431996f802..450cded0561e 100644
--- a/ncurses/tinfo/tinfo_driver.c
+++ b/ncurses/tinfo/tinfo_driver.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2008-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 2008-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -28,12 +28,13 @@
 
 /****************************************************************************
  *  Author: Juergen Pfeifer                                                 *
- *                                                                          *
+ *     and: Thomas E. Dickey                                                *
  ****************************************************************************/
 
 #include <curses.priv.h>
-#define CUR ((TERMINAL*)TCB)->type.
+#define CUR TerminalType((TERMINAL*)TCB).
 #include <tic.h>
+#include <termcap.h>		/* ospeed */
 
 #if HAVE_NANOSLEEP
 #include <time.h>
@@ -50,7 +51,7 @@
 # endif
 #endif
 
-MODULE_ID("$Id: tinfo_driver.c,v 1.32 2013/08/31 15:22:46 tom Exp $")
+MODULE_ID("$Id: tinfo_driver.c,v 1.66 2019/08/10 18:36:08 tom Exp $")
 
 /*
  * SCO defines TIOCGSIZE and the corresponding struct.  Other systems (SunOS,
@@ -106,6 +107,45 @@ drv_doupdate(TERMINAL_CONTROL_BLOCK * TCB)
     return TINFO_DOUPDATE(TCB->csp);
 }
 
+static const char *
+drv_Name(TERMINAL_CONTROL_BLOCK * TCB)
+{
+    (void) TCB;
+    return "tinfo";
+}
+
+static void
+get_baudrate(TERMINAL *termp)
+{
+    int my_ospeed;
+    int result;
+    if (GET_TTY(termp->Filedes, &termp->Nttyb) == OK) {
+#ifdef TERMIOS
+	termp->Nttyb.c_oflag &= (unsigned) (~OFLAGS_TABS);
+#else
+	termp->Nttyb.sg_flags &= (unsigned) (~XTABS);
+#endif
+    }
+#ifdef USE_OLD_TTY
+    result = (int) cfgetospeed(&(termp->Nttyb));
+    my_ospeed = (NCURSES_OSPEED) _nc_ospeed(result);
+#else /* !USE_OLD_TTY */
+#ifdef TERMIOS
+    my_ospeed = (NCURSES_OSPEED) cfgetospeed(&(termp->Nttyb));
+#else
+    my_ospeed = (NCURSES_OSPEED) termp->Nttyb.sg_ospeed;
+#endif
+    result = _nc_baudrate(my_ospeed);
+#endif
+    termp->_baudrate = result;
+    ospeed = (NCURSES_OSPEED) my_ospeed;
+}
+
+#undef SETUP_FAIL
+#define SETUP_FAIL FALSE
+
+#define NO_COPY {}
+
 static bool
 drv_CanHandle(TERMINAL_CONTROL_BLOCK * TCB, const char *tname, int *errret)
 {
@@ -114,23 +154,29 @@ drv_CanHandle(TERMINAL_CONTROL_BLOCK * TCB, const char *tname, int *errret)
     TERMINAL *termp;
     SCREEN *sp;
 
+    START_TRACE();
+    T((T_CALLED("tinfo::drv_CanHandle(%p)"), (void *) TCB));
+
     assert(TCB != 0 && tname != 0);
     termp = (TERMINAL *) TCB;
     sp = TCB->csp;
     TCB->magic = TCBMAGIC;
 
 #if (NCURSES_USE_DATABASE || NCURSES_USE_TERMCAP)
-    status = _nc_setup_tinfo(tname, &termp->type);
+    status = _nc_setup_tinfo(tname, &TerminalType(termp));
+    T(("_nc_setup_tinfo returns %d", status));
 #else
+    T(("no database available"));
     status = TGETENT_NO;
 #endif
 
     /* try fallback list if entry on disk */
     if (status != TGETENT_YES) {
-	const TERMTYPE *fallback = _nc_fallback(tname);
+	const TERMTYPE2 *fallback = _nc_fallback2(tname);
 
 	if (fallback) {
-	    termp->type = *fallback;
+	    T(("found fallback entry"));
+	    TerminalType(termp) = *fallback;
 	    status = TGETENT_YES;
 	}
     }
@@ -140,18 +186,41 @@ drv_CanHandle(TERMINAL_CONTROL_BLOCK * TCB, const char *tname, int *errret)
 	if (status == TGETENT_ERR) {
 	    ret_error0(status, "terminals database is inaccessible\n");
 	} else if (status == TGETENT_NO) {
-	    ret_error1(status, "unknown terminal type.\n", tname);
+	    ret_error1(status, "unknown terminal type.\n",
+		       tname, NO_COPY);
+	} else {
+	    ret_error0(status, "unexpected return-code\n");
 	}
     }
     result = TRUE;
+#if NCURSES_EXT_NUMBERS
+    _nc_export_termtype2(&termp->type, &TerminalType(termp));
+#endif
 #if !USE_REENTRANT
-    strncpy(ttytype, termp->type.term_names, (size_t) NAMESIZE - 1);
-    ttytype[NAMESIZE - 1] = '\0';
+    save_ttytype(termp);
 #endif
 
     if (command_character)
 	_nc_tinfo_cmdch(termp, *command_character);
 
+    /*
+     * If an application calls setupterm() rather than initscr() or
+     * newterm(), we will not have the def_prog_mode() call in
+     * _nc_setupscreen().  Do it now anyway, so we can initialize the
+     * baudrate.
+     */
+    if (sp == 0 && NC_ISATTY(termp->Filedes)) {
+	get_baudrate(termp);
+    }
+#if NCURSES_EXT_NUMBERS
+#define cleanup_termtype() \
+    _nc_free_termtype2(&TerminalType(termp)); \
+    _nc_free_termtype(&termp->type)
+#else
+#define cleanup_termtype() \
+    _nc_free_termtype2(&TerminalType(termp))
+#endif
+
     if (generic_type) {
 	/*
 	 * BSD 4.3's termcap contains mis-typed "gn" for wy99.  Do a sanity
@@ -160,16 +229,22 @@ drv_CanHandle(TERMINAL_CONTROL_BLOCK * TCB, const char *tname, int *errret)
 	if ((VALID_STRING(cursor_address)
 	     || (VALID_STRING(cursor_down) && VALID_STRING(cursor_home)))
 	    && VALID_STRING(clear_screen)) {
-	    ret_error1(TGETENT_YES, "terminal is not really generic.\n", tname);
+	    cleanup_termtype();
+	    ret_error1(TGETENT_YES, "terminal is not really generic.\n",
+		       tname, NO_COPY);
 	} else {
-	    ret_error1(TGETENT_NO, "I need something more specific.\n", tname);
+	    cleanup_termtype();
+	    ret_error1(TGETENT_NO, "I need something more specific.\n",
+		       tname, NO_COPY);
 	}
     }
     if (hard_copy) {
-	ret_error1(TGETENT_YES, "I can't handle hardcopy terminals.\n", tname);
+	cleanup_termtype();
+	ret_error1(TGETENT_YES, "I can't handle hardcopy terminals.\n",
+		   tname, NO_COPY);
     }
 
-    return result;
+    returnBool(result);
 }
 
 static int
@@ -248,8 +323,8 @@ drv_defaultcolors(TERMINAL_CONTROL_BLOCK * TCB, int fg, int bg)
 	sp->_has_sgr_39_49 = (NCURSES_SP_NAME(tigetflag) (NCURSES_SP_ARGx
 							  "AX")
 			      == TRUE);
-	sp->_default_fg = isDefaultColor(fg) ? COLOR_DEFAULT : (fg & C_MASK);
-	sp->_default_bg = isDefaultColor(bg) ? COLOR_DEFAULT : (bg & C_MASK);
+	sp->_default_fg = isDefaultColor(fg) ? COLOR_DEFAULT : fg;
+	sp->_default_bg = isDefaultColor(bg) ? COLOR_DEFAULT : bg;
 	if (sp->_color_pairs != 0) {
 	    bool save = sp->_default_color;
 	    sp->_default_color = TRUE;
@@ -345,7 +420,7 @@ drv_size(TERMINAL_CONTROL_BLOCK * TCB, int *linep, int *colp)
 
     if (sp) {
 	useEnv = sp->_use_env;
-	useTioctl = sp->_use_tioctl;
+	useTioctl = sp->use_tioctl;
     } else {
 	useEnv = _nc_prescreen.use_env;
 	useTioctl = _nc_prescreen.use_tioctl;
@@ -376,7 +451,7 @@ drv_size(TERMINAL_CONTROL_BLOCK * TCB, int *linep, int *colp)
 	/* try asking the OS */
 	{
 	    TERMINAL *termp = (TERMINAL *) TCB;
-	    if (isatty(termp->Filedes)) {
+	    if (NC_ISATTY(termp->Filedes)) {
 		STRUCT_WINSIZE size;
 
 		errno = 0;
@@ -537,7 +612,6 @@ drv_mode(TERMINAL_CONTROL_BLOCK * TCB, int progFlag, int defFlag)
 		if (sp) {
 		    if (sp->_keypad_on)
 			_nc_keypad(sp, TRUE);
-		    NC_BUFFERED(sp, TRUE);
 		}
 		code = OK;
 	    }
@@ -563,7 +637,6 @@ drv_mode(TERMINAL_CONTROL_BLOCK * TCB, int progFlag, int defFlag)
 	    if (sp) {
 		_nc_keypad(sp, FALSE);
 		NCURSES_SP_NAME(_nc_flush) (sp);
-		NC_BUFFERED(sp, FALSE);
 	    }
 	    code = drv_sgmode(TCB, TRUE, &(_term->Ottyb));
 	}
@@ -664,8 +737,8 @@ drv_init(TERMINAL_CONTROL_BLOCK * TCB)
      * _nc_setupscreen().  Do it now anyway, so we can initialize the
      * baudrate.
      */
-    if (isatty(trm->Filedes)) {
-	TCB->drv->mode(TCB, TRUE, TRUE);
+    if (NC_ISATTY(trm->Filedes)) {
+	TCB->drv->td_mode(TCB, TRUE, TRUE);
     }
 }
 
@@ -738,9 +811,9 @@ drv_do_color(TERMINAL_CONTROL_BLOCK * TCB,
 	     NCURSES_SP_OUTC outc)
 {
     SCREEN *sp = TCB->csp;
-    NCURSES_COLOR_T fg = COLOR_DEFAULT;
-    NCURSES_COLOR_T bg = COLOR_DEFAULT;
-    NCURSES_COLOR_T old_fg, old_bg;
+    int fg = COLOR_DEFAULT;
+    int bg = COLOR_DEFAULT;
+    int old_fg, old_bg;
 
     AssertTCB();
     if (sp == 0)
@@ -755,19 +828,13 @@ drv_do_color(TERMINAL_CONTROL_BLOCK * TCB,
 				    TPARM_1(set_color_pair, pair), 1, outc);
 	    return;
 	} else if (sp != 0) {
-	    NCURSES_SP_NAME(pair_content) (NCURSES_SP_ARGx
-					   (short) pair,
-					   &fg,
-					   &bg);
+	    _nc_pair_content(SP_PARM, pair, &fg, &bg);
 	}
     }
 
     if (old_pair >= 0
 	&& sp != 0
-	&& NCURSES_SP_NAME(pair_content) (NCURSES_SP_ARGx
-					  (short) old_pair,
-					  &old_fg,
-					  &old_bg) !=ERR) {
+	&& _nc_pair_content(SP_PARM, old_pair, &old_fg, &old_bg) != ERR) {
 	if ((isDefaultColor(fg) && !isDefaultColor(old_fg))
 	    || (isDefaultColor(bg) && !isDefaultColor(old_bg))) {
 #if NCURSES_EXT_FUNCS
@@ -796,13 +863,13 @@ drv_do_color(TERMINAL_CONTROL_BLOCK * TCB,
 
 #if NCURSES_EXT_FUNCS
     if (isDefaultColor(fg))
-	fg = (NCURSES_COLOR_T) default_fg(sp);
+	fg = default_fg(sp);
     if (isDefaultColor(bg))
-	bg = (NCURSES_COLOR_T) default_bg(sp);
+	bg = default_bg(sp);
 #endif
 
     if (reverse) {
-	NCURSES_COLOR_T xx = fg;
+	int xx = fg;
 	fg = bg;
 	bg = xx;
     }
@@ -838,12 +905,9 @@ drv_initmouse(TERMINAL_CONTROL_BLOCK * TCB)
 
     /* we know how to recognize mouse events under "xterm" */
     if (sp != 0) {
-	if (key_mouse != 0) {
-	    if (!strcmp(key_mouse, xterm_kmous)
-		|| strstr(TerminalOf(sp)->type.term_names, "xterm") != 0) {
-		init_xterm_mouse(sp);
-	    }
-	} else if (strstr(TerminalOf(sp)->type.term_names, "xterm") != 0) {
+	if (NonEmpty(key_mouse)) {
+	    init_xterm_mouse(sp);
+	} else if (strstr(SP_TERMTYPE term_names, "xterm") != 0) {
 	    if (_nc_add_to_try(&(sp->_keytry), xterm_kmous, KEY_MOUSE) == OK)
 		init_xterm_mouse(sp);
 	}
@@ -868,11 +932,11 @@ drv_testmouse(TERMINAL_CONTROL_BLOCK * TCB,
     } else
 #endif
     {
-	rc = TCBOf(sp)->drv->twait(TCBOf(sp),
-				   TWAIT_MASK,
-				   delay,
-				   (int *) 0
-				   EVENTLIST_2nd(evl));
+	rc = TCBOf(sp)->drv->td_twait(TCBOf(sp),
+				      TWAIT_MASK,
+				      delay,
+				      (int *) 0
+				      EVENTLIST_2nd(evl));
 #if USE_SYSMOUSE
 	if ((sp->_mouse_type == M_SYSMOUSE)
 	    && (sp->_sysmouse_head < sp->_sysmouse_tail)
@@ -968,12 +1032,18 @@ drv_setfilter(TERMINAL_CONTROL_BLOCK * TCB)
 {
     AssertTCB();
 
-    clear_screen = 0;
-    cursor_down = parm_down_cursor = 0;
-    cursor_address = 0;
-    cursor_up = parm_up_cursor = 0;
-    row_address = 0;
-    cursor_home = carriage_return;
+    /* *INDENT-EQLS* */
+    clear_screen     = ABSENT_STRING;
+    cursor_address   = ABSENT_STRING;
+    cursor_down      = ABSENT_STRING;
+    cursor_up        = ABSENT_STRING;
+    parm_down_cursor = ABSENT_STRING;
+    parm_up_cursor   = ABSENT_STRING;
+    row_address      = ABSENT_STRING;
+    cursor_home      = carriage_return;
+
+    if (back_color_erase)
+	clr_eos = ABSENT_STRING;
 }
 
 static void
@@ -1003,7 +1073,7 @@ drv_initacs(TERMINAL_CONTROL_BLOCK * TCB, chtype *real_map, chtype *fake_map)
 	size_t i;
 	for (i = 1; i < ACS_LEN; ++i) {
 	    if (real_map[i] == 0) {
-		real_map[i] = i;
+		real_map[i] = (chtype) i;
 		if (real_map != fake_map) {
 		    if (sp != 0)
 			sp->_screen_acs_map[i] = TRUE;
@@ -1020,8 +1090,13 @@ drv_initacs(TERMINAL_CONTROL_BLOCK * TCB, chtype *real_map, chtype *fake_map)
 	while (i + 1 < length) {
 	    if (acs_chars[i] != 0 && UChar(acs_chars[i]) < ACS_LEN) {
 		real_map[UChar(acs_chars[i])] = UChar(acs_chars[i + 1]) | A_ALTCHARSET;
-		if (sp != 0)
+		T(("#%d real_map[%s] = %s",
+		   (int) i,
+		   _tracechar(UChar(acs_chars[i])),
+		   _tracechtype(real_map[UChar(acs_chars[i])])));
+		if (sp != 0) {
 		    sp->_screen_acs_map[UChar(acs_chars[i])] = TRUE;
+		}
 	    }
 	    i += 2;
 	}
@@ -1051,7 +1126,6 @@ drv_initacs(TERMINAL_CONTROL_BLOCK * TCB, chtype *real_map, chtype *fake_map)
 		   ? "DIFF"
 		   : "SAME"),
 		_nc_visbuf(show));
-
 	_nc_unlock_global(tracef);
     }
 #endif /* TRACE */
@@ -1179,7 +1253,7 @@ drv_read(TERMINAL_CONTROL_BLOCK * TCB, int *buf)
     if ((pthread_self) && (pthread_kill) && (pthread_equal))
 	_nc_globals.read_thread = pthread_self();
 # endif
-    n = read(sp->_ifd, &c2, (size_t) 1);
+    n = (int) read(sp->_ifd, &c2, (size_t) 1);
 #if USE_PTHREADS_EINTR
     _nc_globals.read_thread = 0;
 #endif
@@ -1268,29 +1342,64 @@ drv_keyok(TERMINAL_CONTROL_BLOCK * TCB, int c, int flag)
 	unsigned ch = (unsigned) c;
 	if (flag) {
 	    while ((s = _nc_expand_try(sp->_key_ok,
-				       ch, &count, (size_t) 0)) != 0
-		   && _nc_remove_key(&(sp->_key_ok), ch)) {
-		code = _nc_add_to_try(&(sp->_keytry), s, ch);
-		free(s);
-		count = 0;
-		if (code != OK)
-		    break;
+				       ch, &count, (size_t) 0)) != 0) {
+		if (_nc_remove_key(&(sp->_key_ok), ch)) {
+		    code = _nc_add_to_try(&(sp->_keytry), s, ch);
+		    free(s);
+		    count = 0;
+		    if (code != OK)
+			break;
+		} else {
+		    free(s);
+		}
 	    }
 	} else {
 	    while ((s = _nc_expand_try(sp->_keytry,
-				       ch, &count, (size_t) 0)) != 0
-		   && _nc_remove_key(&(sp->_keytry), ch)) {
-		code = _nc_add_to_try(&(sp->_key_ok), s, ch);
-		free(s);
-		count = 0;
-		if (code != OK)
-		    break;
+				       ch, &count, (size_t) 0)) != 0) {
+		if (_nc_remove_key(&(sp->_keytry), ch)) {
+		    code = _nc_add_to_try(&(sp->_key_ok), s, ch);
+		    free(s);
+		    count = 0;
+		    if (code != OK)
+			break;
+		} else {
+		    free(s);
+		}
 	    }
 	}
     }
     return (code);
 }
 
+static int
+drv_cursorSet(TERMINAL_CONTROL_BLOCK * TCB, int vis)
+{
+    SCREEN *sp;
+    int code = ERR;
+
+    AssertTCB();
+    SetSP();
+
+    T((T_CALLED("tinfo:drv_cursorSet(%p,%d)"), (void *) SP_PARM, vis));
+
+    if (SP_PARM != 0 && IsTermInfo(SP_PARM)) {
+	switch (vis) {
+	case 2:
+	    code = NCURSES_PUTP2_FLUSH("cursor_visible", cursor_visible);
+	    break;
+	case 1:
+	    code = NCURSES_PUTP2_FLUSH("cursor_normal", cursor_normal);
+	    break;
+	case 0:
+	    code = NCURSES_PUTP2_FLUSH("cursor_invisible", cursor_invisible);
+	    break;
+	}
+    } else {
+	code = ERR;
+    }
+    returnCode(code);
+}
+
 static bool
 drv_kyExist(TERMINAL_CONTROL_BLOCK * TCB, int key)
 {
@@ -1305,6 +1414,7 @@ drv_kyExist(TERMINAL_CONTROL_BLOCK * TCB, int key)
 
 NCURSES_EXPORT_VAR (TERM_DRIVER) _nc_TINFO_DRIVER = {
     TRUE,
+	drv_Name,		/* Name */
 	drv_CanHandle,		/* CanHandle */
 	drv_init,		/* init */
 	drv_release,		/* release */
@@ -1338,5 +1448,6 @@ NCURSES_EXPORT_VAR (TERM_DRIVER) _nc_TINFO_DRIVER = {
 	drv_nap,		/* nap */
 	drv_kpad,		/* kpad */
 	drv_keyok,		/* kyOk */
-	drv_kyExist		/* kyExist */
+	drv_kyExist,		/* kyExist */
+	drv_cursorSet		/* cursorSet */
 };
diff --git a/ncurses/tinfo/trim_sgr0.c b/ncurses/tinfo/trim_sgr0.c
index ec5e2b78dbf0..4d92d1571fd9 100644
--- a/ncurses/tinfo/trim_sgr0.c
+++ b/ncurses/tinfo/trim_sgr0.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2005-2010,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 2005-2012,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -36,7 +36,7 @@
 
 #include <tic.h>
 
-MODULE_ID("$Id: trim_sgr0.c,v 1.15 2012/12/15 20:57:17 tom Exp $")
+MODULE_ID("$Id: trim_sgr0.c,v 1.17 2017/08/26 14:54:16 tom Exp $")
 
 #undef CUR
 #define CUR tp->
@@ -46,7 +46,7 @@ MODULE_ID("$Id: trim_sgr0.c,v 1.15 2012/12/15 20:57:17 tom Exp $")
 #define L_BRACK   '['
 
 static char *
-set_attribute_9(TERMTYPE *tp, int flag)
+set_attribute_9(TERMTYPE2 *tp, int flag)
 {
     const char *value;
     char *result;
@@ -232,7 +232,7 @@ compare_part(const char *part, const char *full)
  * an error occurs, or the original sgr0 if no change is needed.
  */
 NCURSES_EXPORT(char *)
-_nc_trim_sgr0(TERMTYPE *tp)
+_nc_trim_sgr0(TERMTYPE2 *tp)
 {
     char *result = exit_attribute_mode;
 
@@ -263,7 +263,7 @@ _nc_trim_sgr0(TERMTYPE *tp)
 	    /*
 	     * If rmacs is a substring of sgr(0), remove that chunk.
 	     */
-	    if (exit_alt_charset_mode != 0) {
+	    if (PRESENT(exit_alt_charset_mode)) {
 		TR(TRACE_DATABASE, ("scan for rmacs %s", _nc_visbuf(exit_alt_charset_mode)));
 		j = strlen(off);
 		k = strlen(exit_alt_charset_mode);
diff --git a/ncurses/tinfo/use_screen.c b/ncurses/tinfo/use_screen.c
index 6a0297cebd51..00d7147e1726 100644
--- a/ncurses/tinfo/use_screen.c
+++ b/ncurses/tinfo/use_screen.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2007-2008,2009 Free Software Foundation, Inc.              *
+ * Copyright (c) 2007-2016,2018 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -32,15 +32,19 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: use_screen.c,v 1.8 2009/10/24 22:40:20 tom Exp $")
+MODULE_ID("$Id: use_screen.c,v 1.11 2018/12/15 23:53:26 tom Exp $")
 
 NCURSES_EXPORT(int)
 use_screen(SCREEN *screen, NCURSES_SCREEN_CB func, void *data)
 {
     SCREEN *save_SP;
     int code = OK;
+    TR_FUNC_BFR(1);
 
-    T((T_CALLED("use_screen(%p,%p,%p)"), (void *) screen, func, (void *) data));
+    T((T_CALLED("use_screen(%p,%s,%p)"),
+       (void *) screen,
+       TR_FUNC_ARG(0, func),
+       (void *) data));
 
     /*
      * FIXME - add a flag so a given thread can check if _it_ has already
diff --git a/ncurses/tinfo/write_entry.c b/ncurses/tinfo/write_entry.c
index 77f90cb5ffc7..1949f0702110 100644
--- a/ncurses/tinfo/write_entry.c
+++ b/ncurses/tinfo/write_entry.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -43,38 +43,62 @@
 
 #if 1
 #define TRACE_OUT(p) DEBUG(2, p)
+#define TRACE_NUM(n) if (VALID_NUMERIC(Numbers[n])) { \
+	TRACE_OUT(("put Numbers[%u]=%d", (unsigned) (n), Numbers[n])); }
 #else
 #define TRACE_OUT(p)		/*nothing */
+#define TRACE_NUM(n)		/* nothing */
 #endif
 
-MODULE_ID("$Id: write_entry.c,v 1.91 2013/12/14 21:29:42 tom Exp $")
+MODULE_ID("$Id: write_entry.c,v 1.114 2019/06/29 23:07:18 tom Exp $")
 
 static int total_written;
+static int total_parts;
+static int total_size;
 
 static int make_db_root(const char *);
-static int write_object(TERMTYPE *, char *, unsigned *, unsigned);
 
 #if !USE_HASHED_DB
 static void
-write_file(char *filename, TERMTYPE *tp)
+write_file(char *filename, TERMTYPE2 *tp)
 {
     char buffer[MAX_ENTRY_SIZE];
     unsigned limit = sizeof(buffer);
     unsigned offset = 0;
 
-    FILE *fp = (_nc_access(filename, W_OK) == 0) ? fopen(filename, "wb") : 0;
-    if (fp == 0) {
-	perror(filename);
-	_nc_syserr_abort("can't open %s/%s", _nc_tic_dir(0), filename);
-    }
-    DEBUG(1, ("Created %s", filename));
+    if (_nc_write_object(tp, buffer, &offset, limit) == ERR) {
+	_nc_warning("entry is larger than %u bytes", limit);
+    } else {
+	FILE *fp = ((_nc_access(filename, W_OK) == 0)
+		    ? fopen(filename, BIN_W)
+		    : 0);
+	size_t actual;
 
-    if (write_object(tp, buffer, &offset, limit) == ERR
-	|| fwrite(buffer, sizeof(char), (size_t) offset, fp) != offset) {
-	_nc_syserr_abort("error writing %s/%s", _nc_tic_dir(0), filename);
-    }
+	if (fp == 0) {
+	    perror(filename);
+	    _nc_syserr_abort("can't open %s/%s", _nc_tic_dir(0), filename);
+	}
 
-    fclose(fp);
+	actual = fwrite(buffer, sizeof(char), (size_t) offset, fp);
+	if (actual != offset) {
+	    int myerr = ferror(fp) ? errno : 0;
+	    if (myerr) {
+		_nc_syserr_abort("error writing %s/%s: %s",
+				 _nc_tic_dir(0),
+				 filename,
+				 strerror(myerr));
+	    } else {
+		_nc_syserr_abort("error writing %s/%s: %u bytes vs actual %lu",
+				 _nc_tic_dir(0),
+				 filename,
+				 offset,
+				 (unsigned long) actual);
+	    }
+	} else {
+	    fclose(fp);
+	    DEBUG(1, ("Created %s", filename));
+	}
+    }
 }
 
 /*
@@ -167,7 +191,7 @@ make_db_root(const char *path)
 
 	if ((rc = stat(path, &statbuf)) < 0) {
 	    rc = mkdir(path
-#if !defined(__MINGW32__)
+#if !defined(_WIN32)
 		       ,0777
 #endif
 		);
@@ -185,7 +209,7 @@ make_db_root(const char *path)
  * Set the write directory for compiled entries.
  */
 NCURSES_EXPORT(void)
-_nc_set_writedir(char *dir)
+_nc_set_writedir(const char *dir)
 {
     const char *destination;
     char actual[PATH_MAX];
@@ -247,7 +271,7 @@ _nc_set_writedir(char *dir)
  */
 
 NCURSES_EXPORT(void)
-_nc_write_entry(TERMTYPE *const tp)
+_nc_write_entry(TERMTYPE2 *const tp)
 {
 #if USE_HASHED_DB
 
@@ -268,6 +292,9 @@ _nc_write_entry(TERMTYPE *const tp)
 #endif
 #endif /* USE_SYMLINKS */
 
+    unsigned limit2 = sizeof(filename) - (2 + LEAF_LEN);
+    char saved = '\0';
+
     static int call_count;
     static time_t start_time;	/* time at start of writes */
 
@@ -316,7 +343,7 @@ _nc_write_entry(TERMTYPE *const tp)
     _nc_set_type(first_name);
 
 #if USE_HASHED_DB
-    if (write_object(tp, buffer + 1, &offset, limit - 1) != ERR) {
+    if (_nc_write_object(tp, buffer + 1, &offset, limit - 1) != ERR) {
 	DB *capdb = _nc_db_open(_nc_tic_dir(0), TRUE);
 	DBT key, data;
 
@@ -343,6 +370,8 @@ _nc_write_entry(TERMTYPE *const tp)
 		       sizeof(buffer) - 1);
 	    data.size = name_size + 1;
 
+	    total_size += data.size;
+	    total_parts++;
 	    _nc_db_put(capdb, &key, &data);
 
 	    while (*other_names != '\0') {
@@ -357,6 +386,8 @@ _nc_write_entry(TERMTYPE *const tp)
 		key.data = ptr;
 		key.size = strlen(ptr);
 
+		total_size += data.size;
+		total_parts++;
 		_nc_db_put(capdb, &key, &data);
 	    }
 	}
@@ -366,11 +397,19 @@ _nc_write_entry(TERMTYPE *const tp)
 	start_time = 0;
     }
 
-    if (strlen(first_name) >= sizeof(filename) - (2 + LEAF_LEN))
+    if (strlen(first_name) >= limit2) {
 	_nc_warning("terminal name too long.");
+	saved = first_name[limit2];
+	first_name[limit2] = '\0';
+    }
 
     _nc_SPRINTF(filename, _nc_SLIMIT(sizeof(filename))
-		LEAF_FMT "/%s", first_name[0], first_name);
+		LEAF_FMT "/%.*s", UChar(first_name[0]),
+		(int) (sizeof(filename) - (LEAF_LEN + 2)),
+		first_name);
+
+    if (saved)
+	first_name[limit2] = saved;
 
     /*
      * Has this primary name been written since the first call to
@@ -427,7 +466,8 @@ _nc_write_entry(TERMTYPE *const tp)
 
 	check_writeable(ptr[0]);
 	_nc_SPRINTF(linkname, _nc_SLIMIT(sizeof(linkname))
-		    LEAF_FMT "/%s", ptr[0], ptr);
+		    LEAF_FMT "/%.*s", ptr[0],
+		    (int) sizeof(linkname) - (2 + LEAF_LEN), ptr);
 
 	if (strcmp(filename, linkname) == 0) {
 	    _nc_warning("self-synonym ignored");
@@ -439,13 +479,14 @@ _nc_write_entry(TERMTYPE *const tp)
 	{
 	    int code;
 #if USE_SYMLINKS
-	    if (first_name[0] == linkname[0])
-		strncpy(symlinkname, first_name, sizeof(symlinkname) - 1);
-	    else {
-		_nc_STRCPY(symlinkname, "../", sizeof(suymlinkname));
-		strncat(symlinkname, filename, sizeof(symlinkname) - 4);
+#define MY_SIZE sizeof(symlinkname) - 1
+	    if (first_name[0] == linkname[0]) {
+		_nc_STRNCPY(symlinkname, first_name, MY_SIZE);
+	    } else {
+		_nc_STRCPY(symlinkname, "../", sizeof(symlinkname));
+		_nc_STRNCPY(symlinkname + 3, filename, MY_SIZE - 3);
 	    }
-	    symlinkname[sizeof(symlinkname) - 1] = '\0';
+	    symlinkname[MY_SIZE] = '\0';
 #endif /* USE_SYMLINKS */
 #if HAVE_REMOVE
 	    code = remove(linkname);
@@ -542,7 +583,7 @@ compute_offsets(char **Strings, size_t strmax, short *offsets)
     return nextfree;
 }
 
-static void
+static size_t
 convert_shorts(unsigned char *buf, short *Numbers, size_t count)
 {
     size_t i;
@@ -557,14 +598,49 @@ convert_shorts(unsigned char *buf, short *Numbers, size_t count)
 	    TRACE_OUT(("put Numbers[%u]=%d", (unsigned) i, Numbers[i]));
 	}
     }
+    return SIZEOF_SHORT;
 }
 
+#if NCURSES_EXT_NUMBERS
+static size_t
+convert_16bit(unsigned char *buf, NCURSES_INT2 *Numbers, size_t count)
+{
+    size_t i, j;
+    size_t size = SIZEOF_SHORT;
+    for (i = 0; i < count; i++) {
+	unsigned value = (unsigned) Numbers[i];
+	TRACE_NUM(i);
+	for (j = 0; j < size; ++j) {
+	    *buf++ = value & 0xff;
+	    value >>= 8;
+	}
+    }
+    return size;
+}
+
+static size_t
+convert_32bit(unsigned char *buf, NCURSES_INT2 *Numbers, size_t count)
+{
+    size_t i, j;
+    size_t size = SIZEOF_INT2;
+    for (i = 0; i < count; i++) {
+	unsigned value = (unsigned) Numbers[i];
+	TRACE_NUM(i);
+	for (j = 0; j < size; ++j) {
+	    *buf++ = value & 0xff;
+	    value >>= 8;
+	}
+    }
+    return size;
+}
+#endif
+
 #define even_boundary(value) \
 	    ((value) % 2 != 0 && Write(&zero, sizeof(char), 1) != 1)
 
 #if NCURSES_XNAMES
 static unsigned
-extended_Booleans(TERMTYPE *tp)
+extended_Booleans(TERMTYPE2 *tp)
 {
     unsigned result = 0;
     unsigned i;
@@ -577,7 +653,7 @@ extended_Booleans(TERMTYPE *tp)
 }
 
 static unsigned
-extended_Numbers(TERMTYPE *tp)
+extended_Numbers(TERMTYPE2 *tp)
 {
     unsigned result = 0;
     unsigned i;
@@ -590,7 +666,7 @@ extended_Numbers(TERMTYPE *tp)
 }
 
 static unsigned
-extended_Strings(TERMTYPE *tp)
+extended_Strings(TERMTYPE2 *tp)
 {
     unsigned short result = 0;
     unsigned short i;
@@ -607,7 +683,7 @@ extended_Strings(TERMTYPE *tp)
  * clause - discard the unneeded data.
  */
 static bool
-extended_object(TERMTYPE *tp)
+extended_object(TERMTYPE2 *tp)
 {
     bool result = FALSE;
 
@@ -620,11 +696,11 @@ extended_object(TERMTYPE *tp)
 }
 #endif
 
-static int
-write_object(TERMTYPE *tp, char *buffer, unsigned *offset, unsigned limit)
+NCURSES_EXPORT(int)
+_nc_write_object(TERMTYPE2 *tp, char *buffer, unsigned *offset, unsigned limit)
 {
     char *namelist;
-    size_t namelen, boolmax, nummax, strmax;
+    size_t namelen, boolmax, nummax, strmax, numlen;
     char zero = '\0';
     size_t i;
     int nextfree;
@@ -633,6 +709,12 @@ write_object(TERMTYPE *tp, char *buffer, unsigned *offset, unsigned limit)
     unsigned last_bool = BOOLWRITE;
     unsigned last_num = NUMWRITE;
     unsigned last_str = STRWRITE;
+#if NCURSES_EXT_NUMBERS
+    bool need_ints = FALSE;
+    size_t (*convert_numbers) (unsigned char *, NCURSES_INT2 *, size_t) = convert_32bit;
+#else
+#define convert_numbers convert_shorts
+#endif
 
 #if NCURSES_XNAMES
     /*
@@ -653,14 +735,21 @@ write_object(TERMTYPE *tp, char *buffer, unsigned *offset, unsigned limit)
 
     boolmax = 0;
     for (i = 0; i < last_bool; i++) {
-	if (tp->Booleans[i] == TRUE)
+	if (tp->Booleans[i] == TRUE) {
 	    boolmax = i + 1;
+	}
     }
 
     nummax = 0;
     for (i = 0; i < last_num; i++) {
-	if (tp->Numbers[i] != ABSENT_NUMERIC)
+	if (tp->Numbers[i] != ABSENT_NUMERIC) {
 	    nummax = i + 1;
+#if NCURSES_EXT_NUMBERS
+	    if (tp->Numbers[i] > MAX_OF_TYPE(NCURSES_COLOR_T)) {
+		need_ints = TRUE;
+	    }
+#endif
+	}
     }
 
     strmax = 0;
@@ -672,7 +761,17 @@ write_object(TERMTYPE *tp, char *buffer, unsigned *offset, unsigned limit)
     nextfree = compute_offsets(tp->Strings, strmax, offsets);
 
     /* fill in the header */
+#if NCURSES_EXT_NUMBERS
+    if (need_ints) {
+	convert_numbers = convert_32bit;
+	LITTLE_ENDIAN(buf, MAGIC2);
+    } else {
+	convert_numbers = convert_16bit;
+	LITTLE_ENDIAN(buf, MAGIC);
+    }
+#else
     LITTLE_ENDIAN(buf, MAGIC);
+#endif
     LITTLE_ENDIAN(buf + 2, min(namelen, MAX_NAME_SIZE + 1));
     LITTLE_ENDIAN(buf + 4, boolmax);
     LITTLE_ENDIAN(buf + 6, nummax);
@@ -682,62 +781,81 @@ write_object(TERMTYPE *tp, char *buffer, unsigned *offset, unsigned limit)
     /* write out the header */
     TRACE_OUT(("Header of %s @%d", namelist, *offset));
     if (Write(buf, 12, 1) != 1
-	|| Write(namelist, sizeof(char), namelen) != namelen)
-	  return (ERR);
+	|| Write(namelist, sizeof(char), namelen) != namelen) {
+	return (ERR);
+    }
 
-    for (i = 0; i < boolmax; i++)
-	if (tp->Booleans[i] == TRUE)
+    for (i = 0; i < boolmax; i++) {
+	if (tp->Booleans[i] == TRUE) {
 	    buf[i] = TRUE;
-	else
+	} else {
 	    buf[i] = FALSE;
-    if (Write(buf, sizeof(char), boolmax) != boolmax)
-	  return (ERR);
+	}
+    }
+    if (Write(buf, sizeof(char), boolmax) != boolmax) {
+	return (ERR);
+    }
 
-    if (even_boundary(namelen + boolmax))
+    if (even_boundary(namelen + boolmax)) {
 	return (ERR);
+    }
 
     TRACE_OUT(("Numerics begin at %04x", *offset));
 
     /* the numerics */
-    convert_shorts(buf, tp->Numbers, nummax);
-    if (Write(buf, 2, nummax) != nummax)
+    numlen = convert_numbers(buf, tp->Numbers, nummax);
+    if (Write(buf, numlen, nummax) != nummax) {
 	return (ERR);
+    }
 
     TRACE_OUT(("String offsets begin at %04x", *offset));
 
     /* the string offsets */
     convert_shorts(buf, offsets, strmax);
-    if (Write(buf, 2, strmax) != strmax)
+    if (Write(buf, SIZEOF_SHORT, strmax) != strmax) {
 	return (ERR);
+    }
 
     TRACE_OUT(("String table begins at %04x", *offset));
 
     /* the strings */
-    for (i = 0; i < strmax; i++)
-	if (VALID_STRING(tp->Strings[i]))
-	    if (!WRITE_STRING(tp->Strings[i]))
+    for (i = 0; i < strmax; i++) {
+	if (VALID_STRING(tp->Strings[i])) {
+	    if (!WRITE_STRING(tp->Strings[i])) {
 		return (ERR);
+	    }
+	}
+    }
 
 #if NCURSES_XNAMES
     if (extended_object(tp)) {
-	unsigned extcnt = (unsigned) NUM_EXT_NAMES(tp);
+	unsigned ext_total = (unsigned) NUM_EXT_NAMES(tp);
+	unsigned ext_usage = ext_total;
 
-	if (even_boundary(nextfree))
+	if (even_boundary(nextfree)) {
 	    return (ERR);
+	}
 
 	nextfree = compute_offsets(tp->Strings + STRCOUNT,
 				   (size_t) tp->ext_Strings,
 				   offsets);
 	TRACE_OUT(("after extended string capabilities, nextfree=%d", nextfree));
 
-	if (tp->ext_Strings >= SIZEOF(offsets))
+	if (tp->ext_Strings >= SIZEOF(offsets)) {
 	    return (ERR);
+	}
 
 	nextfree += compute_offsets(tp->ext_Names,
-				    (size_t) extcnt,
+				    (size_t) ext_total,
 				    offsets + tp->ext_Strings);
 	TRACE_OUT(("after extended capnames, nextfree=%d", nextfree));
-	strmax = tp->ext_Strings + extcnt;
+	strmax = tp->ext_Strings + ext_total;
+	for (i = 0; i < tp->ext_Strings; ++i) {
+	    if (VALID_STRING(tp->Strings[i + STRCOUNT])) {
+		ext_usage++;
+	    }
+	}
+	TRACE_OUT(("will write %u/%lu strings", ext_usage, (unsigned long) strmax));
 
 	/*
 	 * Write the extended header
@@ -745,26 +863,30 @@ write_object(TERMTYPE *tp, char *buffer, unsigned *offset, unsigned limit)
 	LITTLE_ENDIAN(buf + 0, tp->ext_Booleans);
 	LITTLE_ENDIAN(buf + 2, tp->ext_Numbers);
 	LITTLE_ENDIAN(buf + 4, tp->ext_Strings);
-	LITTLE_ENDIAN(buf + 6, strmax);
+	LITTLE_ENDIAN(buf + 6, ext_usage);
 	LITTLE_ENDIAN(buf + 8, nextfree);
 	TRACE_OUT(("WRITE extended-header @%d", *offset));
-	if (Write(buf, 10, 1) != 1)
+	if (Write(buf, 10, 1) != 1) {
 	    return (ERR);
+	}
 
 	TRACE_OUT(("WRITE %d booleans @%d", tp->ext_Booleans, *offset));
 	if (tp->ext_Booleans
 	    && Write(tp->Booleans + BOOLCOUNT, sizeof(char),
-		     tp->ext_Booleans) != tp->ext_Booleans)
-	      return (ERR);
+		     tp->ext_Booleans) != tp->ext_Booleans) {
+	    return (ERR);
+	}
 
-	if (even_boundary(tp->ext_Booleans))
+	if (even_boundary(tp->ext_Booleans)) {
 	    return (ERR);
+	}
 
 	TRACE_OUT(("WRITE %d numbers @%d", tp->ext_Numbers, *offset));
 	if (tp->ext_Numbers) {
-	    convert_shorts(buf, tp->Numbers + NUMCOUNT, (size_t) tp->ext_Numbers);
-	    if (Write(buf, 2, tp->ext_Numbers) != tp->ext_Numbers)
+	    numlen = convert_numbers(buf, tp->Numbers + NUMCOUNT, (size_t) tp->ext_Numbers);
+	    if (Write(buf, numlen, tp->ext_Numbers) != tp->ext_Numbers) {
 		return (ERR);
+	    }
 	}
 
 	/*
@@ -773,8 +895,9 @@ write_object(TERMTYPE *tp, char *buffer, unsigned *offset, unsigned limit)
 	 */
 	convert_shorts(buf, offsets, strmax);
 	TRACE_OUT(("WRITE offsets @%d", *offset));
-	if (Write(buf, 2, strmax) != strmax)
+	if (Write(buf, SIZEOF_SHORT, strmax) != strmax) {
 	    return (ERR);
+	}
 
 	/*
 	 * Write the string table after the offset tables so we do not
@@ -784,24 +907,28 @@ write_object(TERMTYPE *tp, char *buffer, unsigned *offset, unsigned limit)
 	    if (VALID_STRING(tp->Strings[i + STRCOUNT])) {
 		TRACE_OUT(("WRITE ext_Strings[%d]=%s", (int) i,
 			   _nc_visbuf(tp->Strings[i + STRCOUNT])));
-		if (!WRITE_STRING(tp->Strings[i + STRCOUNT]))
+		if (!WRITE_STRING(tp->Strings[i + STRCOUNT])) {
 		    return (ERR);
+		}
 	    }
 	}
 
 	/*
 	 * Write the extended names
 	 */
-	for (i = 0; i < extcnt; i++) {
+	for (i = 0; i < ext_total; i++) {
 	    TRACE_OUT(("WRITE ext_Names[%d]=%s", (int) i, tp->ext_Names[i]));
-	    if (!WRITE_STRING(tp->ext_Names[i]))
+	    if (!WRITE_STRING(tp->ext_Names[i])) {
 		return (ERR);
+	    }
 	}
 
     }
 #endif /* NCURSES_XNAMES */
 
     total_written++;
+    total_parts++;
+    total_size = total_size + (int) (*offset + 1);
     return (OK);
 }
 
@@ -811,5 +938,7 @@ write_object(TERMTYPE *tp, char *buffer, unsigned *offset, unsigned limit)
 NCURSES_EXPORT(int)
 _nc_tic_written(void)
 {
+    TR(TRACE_DATABASE, ("_nc_tic_written %d entries, %d parts, %d size",
+			total_written, total_parts, total_size));
     return total_written;
 }
diff --git a/ncurses/trace/lib_trace.c b/ncurses/trace/lib_trace.c
index cec01de517f8..7e2ca854e656 100644
--- a/ncurses/trace/lib_trace.c
+++ b/ncurses/trace/lib_trace.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -47,7 +47,7 @@
 
 #include <ctype.h>
 
-MODULE_ID("$Id: lib_trace.c,v 1.82 2013/07/06 19:42:09 tom Exp $")
+MODULE_ID("$Id: lib_trace.c,v 1.94 2019/12/07 22:32:36 tom Exp $")
 
 NCURSES_EXPORT_VAR(unsigned) _nc_tracing = 0; /* always define this */
 
@@ -85,60 +85,83 @@ NCURSES_EXPORT_VAR(const char *) _nc_tputs_trace = "";
 NCURSES_EXPORT_VAR(long) _nc_outchars = 0;
 #endif
 
-#define TraceFP		_nc_globals.trace_fp
-#define TracePath	_nc_globals.trace_fname
-#define TraceLevel	_nc_globals.trace_level
+#define MyFP		_nc_globals.trace_fp
+#define MyFD		_nc_globals.trace_fd
+#define MyInit		_nc_globals.trace_opened
+#define MyPath		_nc_globals.trace_fname
+#define MyLevel		_nc_globals.trace_level
+#define MyNested	_nc_globals.nested_tracef
+#endif /* TRACE */
 
-NCURSES_EXPORT(void)
-trace(const unsigned int tracelevel)
+NCURSES_EXPORT(unsigned)
+curses_trace(unsigned tracelevel)
 {
-    if ((TraceFP == 0) && tracelevel) {
-	const char *mode = _nc_globals.init_trace ? "ab" : "wb";
-
-	if (TracePath[0] == '\0') {
-	    size_t size = sizeof(TracePath) - 12;
-	    if (getcwd(TracePath, size) == 0) {
-		perror("curses: Can't get working directory");
-		exit(EXIT_FAILURE);
+    unsigned result;
+#if defined(TRACE)
+    result = _nc_tracing;
+    if ((MyFP == 0) && tracelevel) {
+	MyInit = TRUE;
+	if (MyFD >= 0) {
+	    MyFP = fdopen(MyFD, BIN_W);
+	} else {
+	    if (MyPath[0] == '\0') {
+		size_t size = sizeof(MyPath) - 12;
+		if (getcwd(MyPath, size) == 0) {
+		    perror("curses: Can't get working directory");
+		    exit(EXIT_FAILURE);
+		}
+		MyPath[size] = '\0';
+		assert(strlen(MyPath) <= size);
+		_nc_STRCAT(MyPath, "/trace", sizeof(MyPath));
+		if (_nc_is_dir_path(MyPath)) {
+		    _nc_STRCAT(MyPath, ".log", sizeof(MyPath));
+		}
 	    }
-	    TracePath[size] = '\0';
-	    assert(strlen(TracePath) <= size);
-	    _nc_STRCAT(TracePath, "/trace", sizeof(TracePath));
-	    if (_nc_is_dir_path(TracePath)) {
-		_nc_STRCAT(TracePath, ".log", sizeof(TracePath));
+	    if (_nc_access(MyPath, W_OK) < 0
+		|| (MyFD = open(MyPath, O_CREAT | O_EXCL | O_RDWR, 0600)) < 0
+		|| (MyFP = fdopen(MyFD, BIN_W)) == 0) {
+		;		/* EMPTY */
 	    }
 	}
-
-	_nc_globals.init_trace = TRUE;
 	_nc_tracing = tracelevel;
-	if (_nc_access(TracePath, W_OK) < 0
-	    || (TraceFP = fopen(TracePath, mode)) == 0) {
-	    perror("curses: Can't open 'trace' file");
-	    exit(EXIT_FAILURE);
-	}
 	/* Try to set line-buffered mode, or (failing that) unbuffered,
 	 * so that the trace-output gets flushed automatically at the
 	 * end of each line.  This is useful in case the program dies. 
 	 */
+	if (MyFP != 0) {
 #if HAVE_SETVBUF		/* ANSI */
-	(void) setvbuf(TraceFP, (char *) 0, _IOLBF, (size_t) 0);
+	    (void) setvbuf(MyFP, (char *) 0, _IOLBF, (size_t) 0);
 #elif HAVE_SETBUF /* POSIX */
-	(void) setbuffer(TraceFP, (char *) 0);
+	    (void) setbuffer(MyFP, (char *) 0);
 #endif
+	}
 	_tracef("TRACING NCURSES version %s.%d (tracelevel=%#x)",
 		NCURSES_VERSION,
 		NCURSES_VERSION_PATCH,
 		tracelevel);
     } else if (tracelevel == 0) {
-	if (TraceFP != 0) {
-	    fclose(TraceFP);
-	    TraceFP = 0;
+	if (MyFP != 0) {
+	    MyFD = dup(MyFD);	/* allow reopen of same file */
+	    fclose(MyFP);
+	    MyFP = 0;
 	}
 	_nc_tracing = tracelevel;
     } else if (_nc_tracing != tracelevel) {
 	_nc_tracing = tracelevel;
 	_tracef("tracelevel=%#x", tracelevel);
     }
+#else
+    (void) tracelevel;
+    result = 0;
+#endif
+    return result;
+}
+
+#if defined(TRACE)
+NCURSES_EXPORT(void)
+trace(const unsigned int tracelevel)
+{
+    curses_trace(tracelevel);
 }
 
 static void
@@ -151,16 +174,23 @@ _nc_va_tracef(const char *fmt, va_list ap)
     bool after = FALSE;
     unsigned doit = _nc_tracing;
     int save_err = errno;
+    FILE *fp = MyFP;
+
+#ifdef TRACE
+    /* verbose-trace in the command-line utilities relies on this */
+    if (fp == 0 && !MyInit && _nc_tracing >= DEBUG_LEVEL(1))
+	fp = stderr;
+#endif
 
     if (strlen(fmt) >= sizeof(Called) - 1) {
 	if (!strncmp(fmt, Called, sizeof(Called) - 1)) {
 	    before = TRUE;
-	    TraceLevel++;
+	    MyLevel++;
 	} else if (!strncmp(fmt, Return, sizeof(Return) - 1)) {
 	    after = TRUE;
 	}
 	if (before || after) {
-	    if ((TraceLevel <= 1)
+	    if ((MyLevel <= 1)
 		|| (doit & TRACE_ICALLS) != 0)
 		doit &= (TRACE_CALLS | TRACE_CCALLS);
 	    else
@@ -168,9 +198,7 @@ _nc_va_tracef(const char *fmt, va_list ap)
 	}
     }
 
-    if (doit != 0) {
-	if (TraceFP == 0)
-	    TraceFP = stderr;
+    if (doit != 0 && fp != 0) {
 #ifdef USE_PTHREADS
 	/*
 	 * TRACE_ICALLS is "really" needed to show normal use with threaded
@@ -184,30 +212,30 @@ _nc_va_tracef(const char *fmt, va_list ap)
 # if USE_WEAK_SYMBOLS
 	if ((pthread_self))
 # endif
-#ifdef __MINGW32__
-	    fprintf(TraceFP, "%#lx:", (long) (intptr_t) pthread_self().p);
+#ifdef _WIN32
+	    fprintf(fp, "%#lx:", (long) (intptr_t) pthread_self().p);
 #else
-	    fprintf(TraceFP, "%#lx:", (long) (intptr_t) pthread_self());
+	    fprintf(fp, "%#lx:", (long) (intptr_t) pthread_self());
 #endif
 #endif
 	if (before || after) {
 	    int n;
-	    for (n = 1; n < TraceLevel; n++)
-		fputs("+ ", TraceFP);
+	    for (n = 1; n < MyLevel; n++)
+		fputs("+ ", fp);
 	}
-	vfprintf(TraceFP, fmt, ap);
-	fputc('\n', TraceFP);
-	fflush(TraceFP);
+	vfprintf(fp, fmt, ap);
+	fputc('\n', fp);
+	fflush(fp);
     }
 
-    if (after && TraceLevel)
-	TraceLevel--;
+    if (after && MyLevel)
+	MyLevel--;
 
     errno = save_err;
 }
 
 NCURSES_EXPORT(void)
-_tracef(const char *fmt,...)
+_tracef(const char *fmt, ...)
 {
     va_list ap;
 
@@ -296,6 +324,39 @@ _nc_retrace_win(WINDOW *code)
     return code;
 }
 
+NCURSES_EXPORT(char *)
+_nc_fmt_funcptr(char *target, const char *source, size_t size)
+{
+    size_t n;
+    char *dst = target;
+    bool leading = TRUE;
+
+    union {
+	int value;
+	char bytes[sizeof(int)];
+    } byteorder;
+
+    byteorder.value = 0x1234;
+
+    *dst++ = '0';
+    *dst++ = 'x';
+
+    for (n = 0; n < size; ++n) {
+	unsigned ch = ((byteorder.bytes[0] == 0x34)
+		       ? UChar(source[size - n - 1])
+		       : UChar(source[n]));
+	if (ch != 0 || (n + 1) >= size)
+	    leading = FALSE;
+	if (!leading) {
+	    _nc_SPRINTF(dst, _nc_SLIMIT(TR_FUNC_LEN - (dst - target))
+			"%02x", ch & 0xff);
+	    dst += 2;
+	}
+    }
+    *dst = '\0';
+    return target;
+}
+
 #if USE_REENTRANT
 /*
  * Check if the given trace-mask is enabled.
@@ -310,13 +371,13 @@ _nc_use_tracef(unsigned mask)
     bool result = FALSE;
 
     _nc_lock_global(tst_tracef);
-    if (!_nc_globals.nested_tracef++) {
+    if (!MyNested++) {
 	if ((result = (_nc_tracing & (mask))) != 0
 	    && _nc_try_global(tracef) == 0) {
 	    /* we will call _nc_locked_tracef(), no nesting so far */
 	} else {
 	    /* we will not call _nc_locked_tracef() */
-	    _nc_globals.nested_tracef = 0;
+	    MyNested = 0;
 	}
     } else {
 	/* we may call _nc_locked_tracef(), but with nested_tracef > 0 */
@@ -331,7 +392,7 @@ _nc_use_tracef(unsigned mask)
  * the tracef mutex.
  */
 NCURSES_EXPORT(void)
-_nc_locked_tracef(const char *fmt,...)
+_nc_locked_tracef(const char *fmt, ...)
 {
     va_list ap;
 
@@ -339,7 +400,7 @@ _nc_locked_tracef(const char *fmt,...)
     _nc_va_tracef(fmt, ap);
     va_end(ap);
 
-    if (--(_nc_globals.nested_tracef) == 0) {
+    if (--(MyNested) == 0) {
 	_nc_unlock_global(tracef);
     }
 }
diff --git a/ncurses/trace/lib_traceatr.c b/ncurses/trace/lib_traceatr.c
index 5fb0df95f4fd..31312c233e6e 100644
--- a/ncurses/trace/lib_traceatr.c
+++ b/ncurses/trace/lib_traceatr.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2013,2014 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -43,7 +43,7 @@
 #define CUR SP_TERMTYPE
 #endif
 
-MODULE_ID("$Id: lib_traceatr.c,v 1.81 2014/02/01 22:09:27 tom Exp $")
+MODULE_ID("$Id: lib_traceatr.c,v 1.93 2019/05/04 20:46:24 tom Exp $")
 
 #define COLOR_OF(c) ((c < 0) ? "default" : (c > 7 ? color_of(c) : colors[c].name))
 
@@ -67,7 +67,7 @@ color_of(int c)
     if (c != my_cached) {
 	my_cached = c;
 	my_select = !my_select;
-	if (c == COLOR_DEFAULT)
+	if (isDefaultColor(c))
 	    _nc_STRCPY(my_buffer[my_select], "default",
 		       COLOR_BUF_SIZE(my_select));
 	else
@@ -85,53 +85,48 @@ color_of(int c)
 NCURSES_EXPORT(char *)
 _traceattr2(int bufnum, chtype newmode)
 {
+#define DATA(name) { name, { #name } }
     static const struct {
 	unsigned int val;
-	const char *name;
+	const char name[14];
     } names[] =
     {
-	/* *INDENT-OFF* */
-	{ A_STANDOUT,		"A_STANDOUT" },
-	{ A_UNDERLINE,		"A_UNDERLINE" },
-	{ A_REVERSE,		"A_REVERSE" },
-	{ A_BLINK,		"A_BLINK" },
-	{ A_DIM,		"A_DIM" },
-	{ A_BOLD,		"A_BOLD" },
-	{ A_ALTCHARSET,		"A_ALTCHARSET" },
-	{ A_INVIS,		"A_INVIS" },
-	{ A_PROTECT,		"A_PROTECT" },
-	{ A_CHARTEXT,		"A_CHARTEXT" },
-	{ A_NORMAL,		"A_NORMAL" },
-	{ A_COLOR,		"A_COLOR" },
+	DATA(A_STANDOUT),
+	    DATA(A_UNDERLINE),
+	    DATA(A_REVERSE),
+	    DATA(A_BLINK),
+	    DATA(A_DIM),
+	    DATA(A_BOLD),
+	    DATA(A_ALTCHARSET),
+	    DATA(A_INVIS),
+	    DATA(A_PROTECT),
+	    DATA(A_CHARTEXT),
+	    DATA(A_NORMAL),
+	    DATA(A_COLOR),
 #if USE_ITALIC
-	{ A_ITALIC,		"A_ITALIC" },
+	    DATA(A_ITALIC),
 #endif
-	/* *INDENT-ON* */
-
     }
 #ifndef USE_TERMLIB
     ,
 	colors[] =
     {
-	/* *INDENT-OFF* */
-	{ COLOR_BLACK,		"COLOR_BLACK" },
-	{ COLOR_RED,		"COLOR_RED" },
-	{ COLOR_GREEN,		"COLOR_GREEN" },
-	{ COLOR_YELLOW,		"COLOR_YELLOW" },
-	{ COLOR_BLUE,		"COLOR_BLUE" },
-	{ COLOR_MAGENTA,	"COLOR_MAGENTA" },
-	{ COLOR_CYAN,		"COLOR_CYAN" },
-	{ COLOR_WHITE,		"COLOR_WHITE" },
-	/* *INDENT-ON* */
-
+	DATA(COLOR_BLACK),
+	    DATA(COLOR_RED),
+	    DATA(COLOR_GREEN),
+	    DATA(COLOR_YELLOW),
+	    DATA(COLOR_BLUE),
+	    DATA(COLOR_MAGENTA),
+	    DATA(COLOR_CYAN),
+	    DATA(COLOR_WHITE),
     }
 #endif /* !USE_TERMLIB */
     ;
-    size_t n;
-    char temp[80];
+#undef DATA
     char *result = _nc_trace_buf(bufnum, (size_t) BUFSIZ);
 
     if (result != 0) {
+	size_t n;
 	unsigned save_nc_tracing = _nc_tracing;
 
 	_nc_tracing = 0;
@@ -139,12 +134,14 @@ _traceattr2(int bufnum, chtype newmode)
 	_nc_STRCPY(result, l_brace, TRACE_BUF_SIZE(bufnum));
 
 	for (n = 0; n < SIZEOF(names); n++) {
+
 	    if ((newmode & names[n].val) != 0) {
 		if (result[1] != '\0')
 		    (void) _nc_trace_bufcat(bufnum, "|");
 		result = _nc_trace_bufcat(bufnum, names[n].name);
 
 		if (names[n].val == A_COLOR) {
+		    char temp[80];
 		    short pairnum = (short) PairNumber(newmode);
 #ifdef USE_TERMLIB
 		    /* pair_content lives in libncurses */
@@ -205,49 +202,50 @@ _nc_retrace_attr_t(attr_t code)
 const char *
 _nc_altcharset_name(attr_t attr, chtype ch)
 {
+#define DATA(code, name) { code, { #name } }
     typedef struct {
 	unsigned int val;
-	const char *name;
+	const char name[13];
     } ALT_NAMES;
 #if NCURSES_SP_FUNCS
     SCREEN *sp = CURRENT_SCREEN;
 #endif
     static const ALT_NAMES names[] =
     {
-	{'l', "ACS_ULCORNER"},	/* upper left corner */
-	{'m', "ACS_LLCORNER"},	/* lower left corner */
-	{'k', "ACS_URCORNER"},	/* upper right corner */
-	{'j', "ACS_LRCORNER"},	/* lower right corner */
-	{'t', "ACS_LTEE"},	/* tee pointing right */
-	{'u', "ACS_RTEE"},	/* tee pointing left */
-	{'v', "ACS_BTEE"},	/* tee pointing up */
-	{'w', "ACS_TTEE"},	/* tee pointing down */
-	{'q', "ACS_HLINE"},	/* horizontal line */
-	{'x', "ACS_VLINE"},	/* vertical line */
-	{'n', "ACS_PLUS"},	/* large plus or crossover */
-	{'o', "ACS_S1"},	/* scan line 1 */
-	{'s', "ACS_S9"},	/* scan line 9 */
-	{'`', "ACS_DIAMOND"},	/* diamond */
-	{'a', "ACS_CKBOARD"},	/* checker board (stipple) */
-	{'f', "ACS_DEGREE"},	/* degree symbol */
-	{'g', "ACS_PLMINUS"},	/* plus/minus */
-	{'~', "ACS_BULLET"},	/* bullet */
-	{',', "ACS_LARROW"},	/* arrow pointing left */
-	{'+', "ACS_RARROW"},	/* arrow pointing right */
-	{'.', "ACS_DARROW"},	/* arrow pointing down */
-	{'-', "ACS_UARROW"},	/* arrow pointing up */
-	{'h', "ACS_BOARD"},	/* board of squares */
-	{'i', "ACS_LANTERN"},	/* lantern symbol */
-	{'0', "ACS_BLOCK"},	/* solid square block */
-	{'p', "ACS_S3"},	/* scan line 3 */
-	{'r', "ACS_S7"},	/* scan line 7 */
-	{'y', "ACS_LEQUAL"},	/* less/equal */
-	{'z', "ACS_GEQUAL"},	/* greater/equal */
-	{'{', "ACS_PI"},	/* Pi */
-	{'|', "ACS_NEQUAL"},	/* not equal */
-	{'}', "ACS_STERLING"},	/* UK pound sign */
-	{'\0', (char *) 0}
+	DATA('l', ACS_ULCORNER),	/* upper left corner */
+	DATA('m', ACS_LLCORNER),	/* lower left corner */
+	DATA('k', ACS_URCORNER),	/* upper right corner */
+	DATA('j', ACS_LRCORNER),	/* lower right corner */
+	DATA('t', ACS_LTEE),	/* tee pointing right */
+	DATA('u', ACS_RTEE),	/* tee pointing left */
+	DATA('v', ACS_BTEE),	/* tee pointing up */
+	DATA('w', ACS_TTEE),	/* tee pointing down */
+	DATA('q', ACS_HLINE),	/* horizontal line */
+	DATA('x', ACS_VLINE),	/* vertical line */
+	DATA('n', ACS_PLUS),	/* large plus or crossover */
+	DATA('o', ACS_S1),	/* scan line 1 */
+	DATA('s', ACS_S9),	/* scan line 9 */
+	DATA('`', ACS_DIAMOND),	/* diamond */
+	DATA('a', ACS_CKBOARD),	/* checker board (stipple) */
+	DATA('f', ACS_DEGREE),	/* degree symbol */
+	DATA('g', ACS_PLMINUS),	/* plus/minus */
+	DATA('~', ACS_BULLET),	/* bullet */
+	DATA(',', ACS_LARROW),	/* arrow pointing left */
+	DATA('+', ACS_RARROW),	/* arrow pointing right */
+	DATA('.', ACS_DARROW),	/* arrow pointing down */
+	DATA('-', ACS_UARROW),	/* arrow pointing up */
+	DATA('h', ACS_BOARD),	/* board of squares */
+	DATA('i', ACS_LANTERN),	/* lantern symbol */
+	DATA('0', ACS_BLOCK),	/* solid square block */
+	DATA('p', ACS_S3),	/* scan line 3 */
+	DATA('r', ACS_S7),	/* scan line 7 */
+	DATA('y', ACS_LEQUAL),	/* less/equal */
+	DATA('z', ACS_GEQUAL),	/* greater/equal */
+	DATA('{', ACS_PI),	/* Pi */
+	DATA('|', ACS_NEQUAL),	/* not equal */
+	DATA('}', ACS_STERLING),	/* UK pound sign */
     };
+#undef DATA
 
     const char *result = 0;
 
@@ -257,7 +255,6 @@ _nc_altcharset_name(attr_t attr, chtype ch)
     if (SP_PARM != 0 && (attr & A_ALTCHARSET) && (acs_chars != 0)) {
 	char *cp;
 	char *found = 0;
-	const ALT_NAMES *strp;
 
 	for (cp = acs_chars; cp[0] && cp[1]; cp += 2) {
 	    if (ChCharOf(UChar(cp[1])) == ChCharOf(ch)) {
@@ -267,12 +264,15 @@ _nc_altcharset_name(attr_t attr, chtype ch)
 	}
 
 	if (found != 0) {
+	    size_t n;
+
 	    ch = ChCharOf(UChar(*found));
-	    for (strp = names; strp->val; strp++)
-		if (strp->val == ch) {
-		    result = strp->name;
+	    for (n = 0; n < SIZEOF(names); ++n) {
+		if (names[n].val == ch) {
+		    result = names[n].name;
 		    break;
 		}
+	    }
 	}
     }
     return result;
@@ -281,22 +281,25 @@ _nc_altcharset_name(attr_t attr, chtype ch)
 NCURSES_EXPORT(char *)
 _tracechtype2(int bufnum, chtype ch)
 {
-    const char *found;
     char *result = _nc_trace_buf(bufnum, (size_t) BUFSIZ);
 
     if (result != 0) {
+	const char *found;
+	attr_t attr = ChAttrOf(ch);
+
 	_nc_STRCPY(result, l_brace, TRACE_BUF_SIZE(bufnum));
-	if ((found = _nc_altcharset_name(ChAttrOf(ch), ch)) != 0) {
+	if ((found = _nc_altcharset_name(attr, ch)) != 0) {
 	    (void) _nc_trace_bufcat(bufnum, found);
+	    attr &= ~A_ALTCHARSET;
 	} else
 	    (void) _nc_trace_bufcat(bufnum,
 				    _nc_tracechar(CURRENT_SCREEN,
 						  (int) ChCharOf(ch)));
 
-	if (ChAttrOf(ch) != A_NORMAL) {
+	if (attr != A_NORMAL) {
 	    (void) _nc_trace_bufcat(bufnum, " | ");
 	    (void) _nc_trace_bufcat(bufnum,
-				    _traceattr2(bufnum + 20, ChAttrOf(ch)));
+				    _traceattr2(bufnum + 20, attr));
 	}
 
 	result = _nc_trace_bufcat(bufnum, r_brace);
@@ -323,13 +326,13 @@ NCURSES_EXPORT(char *)
 _tracecchar_t2(int bufnum, const cchar_t *ch)
 {
     char *result = _nc_trace_buf(bufnum, (size_t) BUFSIZ);
-    attr_t attr;
-    const char *found;
 
     if (result != 0) {
 	_nc_STRCPY(result, l_brace, TRACE_BUF_SIZE(bufnum));
 	if (ch != 0) {
-	    attr = AttrOfD(ch);
+	    const char *found;
+	    attr_t attr = AttrOfD(ch);
+
 	    if ((found = _nc_altcharset_name(attr, (chtype) CharOfD(ch))) != 0) {
 		(void) _nc_trace_bufcat(bufnum, found);
 		attr &= ~A_ALTCHARSET;
@@ -340,7 +343,6 @@ _tracecchar_t2(int bufnum, const cchar_t *ch)
 		PUTC_DATA;
 		int n;
 
-		PUTC_INIT;
 		(void) _nc_trace_bufcat(bufnum, "{ ");
 		for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) {
 		    PUTC_ch = ch->chars[PUTC_i];
@@ -349,6 +351,7 @@ _tracecchar_t2(int bufnum, const cchar_t *ch)
 			    (void) _nc_trace_bufcat(bufnum, "\\000");
 			break;
 		    }
+		    PUTC_INIT;
 		    PUTC_n = (int) wcrtomb(PUTC_buf, ch->chars[PUTC_i], &PUT_st);
 		    if (PUTC_n <= 0) {
 			if (PUTC_ch != L'\0') {
@@ -358,6 +361,14 @@ _tracecchar_t2(int bufnum, const cchar_t *ch)
 								  UChar(ch->chars[PUTC_i])));
 			}
 			break;
+		    } else if (ch->chars[PUTC_i] > 255) {
+			char temp[80];
+			_nc_SPRINTF(temp, _nc_SLIMIT(sizeof(temp))
+				    "{%d:\\u%lx}",
+				    _nc_wacs_width(ch->chars[PUTC_i]),
+				    (unsigned long) ch->chars[PUTC_i]);
+			(void) _nc_trace_bufcat(bufnum, temp);
+			break;
 		    }
 		    for (n = 0; n < PUTC_n; n++) {
 			if (n)
@@ -373,6 +384,18 @@ _tracecchar_t2(int bufnum, const cchar_t *ch)
 		(void) _nc_trace_bufcat(bufnum, " | ");
 		(void) _nc_trace_bufcat(bufnum, _traceattr2(bufnum + 20, attr));
 	    }
+#if NCURSES_EXT_COLORS
+	    /*
+	     * Just in case the extended color is different from the chtype
+	     * value, trace both.
+	     */
+	    if (ch->ext_color != PairNumber(attr)) {
+		char temp[80];
+		_nc_SPRINTF(temp, _nc_SLIMIT(sizeof(temp))
+			    " X_COLOR{%d:%d}", ch->ext_color, PairNumber(attr));
+		(void) _nc_trace_bufcat(bufnum, temp);
+	    }
+#endif
 	}
 
 	result = _nc_trace_bufcat(bufnum, r_brace);
diff --git a/ncurses/trace/lib_tracebits.c b/ncurses/trace/lib_tracebits.c
index 7d8325a828f4..43b29a9496e0 100644
--- a/ncurses/trace/lib_tracebits.c
+++ b/ncurses/trace/lib_tracebits.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2015,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -34,7 +34,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_tracebits.c,v 1.23 2012/06/09 19:55:46 tom Exp $")
+MODULE_ID("$Id: lib_tracebits.c,v 1.27 2019/02/16 22:12:08 tom Exp $")
 
 #if HAVE_SYS_TERMIO_H
 #include <sys/termio.h>		/* needed for ISC */
@@ -73,7 +73,7 @@ MODULE_ID("$Id: lib_tracebits.c,v 1.23 2012/06/09 19:55:46 tom Exp $")
 
 typedef struct {
     unsigned int val;
-    const char *name;
+    const char name[8];
 } BITNAMES;
 
 #define TRACE_BUF_SIZE(num) (_nc_globals.tracebuf_ptr[num].size)
@@ -85,7 +85,7 @@ lookup_bits(char *buf, const BITNAMES * table, const char *label, unsigned int v
 
     _nc_STRCAT(buf, label, TRACE_BUF_SIZE(0));
     _nc_STRCAT(buf, ": {", TRACE_BUF_SIZE(0));
-    for (sp = table; sp->name; sp++)
+    for (sp = table; sp->name[0]; sp++)
 	if (sp->val != 0
 	    && (val & sp->val) == sp->val) {
 	    _nc_STRCAT(buf, sp->name, TRACE_BUF_SIZE(0));
@@ -103,56 +103,59 @@ _nc_trace_ttymode(TTY * tty)
     char *buf;
 
 #ifdef TERMIOS
+#define DATA(name)        { name, { #name } }
+#define DATA2(name,name2) { name, { #name2 } }
+#define DATAX()           { 0,    { "" } }
     static const BITNAMES iflags[] =
     {
-	{BRKINT, "BRKINT"},
-	{IGNBRK, "IGNBRK"},
-	{IGNPAR, "IGNPAR"},
-	{PARMRK, "PARMRK"},
-	{INPCK, "INPCK"},
-	{ISTRIP, "ISTRIP"},
-	{INLCR, "INLCR"},
-	{IGNCR, "IGNC"},
-	{ICRNL, "ICRNL"},
-	{IXON, "IXON"},
-	{IXOFF, "IXOFF"},
-	{0, NULL}
+	DATA(BRKINT),
+	DATA(IGNBRK),
+	DATA(IGNPAR),
+	DATA(PARMRK),
+	DATA(INPCK),
+	DATA(ISTRIP),
+	DATA(INLCR),
+	DATA(IGNCR),
+	DATA(ICRNL),
+	DATA(IXON),
+	DATA(IXOFF),
+	DATAX()
 #define ALLIN	(BRKINT|IGNBRK|IGNPAR|PARMRK|INPCK|ISTRIP|INLCR|IGNCR|ICRNL|IXON|IXOFF)
     }, oflags[] =
     {
-	{OPOST, "OPOST"},
-	{OFLAGS_TABS, "XTABS"},
-	{ONLCR, "ONLCR"},
-	{OCRNL, "OCRNL"},
-	{ONOCR, "ONOCR"},
-	{ONLRET, "ONLRET"},
-	{0, NULL}
-#define ALLOUT	(OPOST|OFLAGS_TABS|ONLCR|OCRNL|ONOCR|ONLRET)
+	DATA(OPOST),
+	DATA2(OFLAGS_TABS, XTABS),
+	DATA(ONLCR),
+	DATA(OCRNL),
+	DATA(ONOCR),
+	DATA(ONLRET),
+	DATAX()
+#define ALLOUT	(OPOST|OFLAGS_TABS|ONLCR|OCRNL|ONOCR|ONLRET|OFLAGS_TABS)
     }, cflags[] =
     {
-	{CLOCAL, "CLOCAL"},
-	{CREAD, "CREAD"},
-	{CSTOPB, "CSTOPB"},
+	DATA(CLOCAL),
+	DATA(CREAD),
+	DATA(CSTOPB),
 #if !defined(CS5) || !defined(CS8)
-	{CSIZE, "CSIZE"},
+	DATA(CSIZE),
 #endif
-	{HUPCL, "HUPCL"},
-	{PARENB, "PARENB"},
-	{PARODD | PARENB, "PARODD"},	/* concession to readability */
-	{0, NULL}
+	DATA(HUPCL),
+	DATA(PARENB),
+	DATA2(PARODD | PARENB, PARODD),
+	DATAX()
 #define ALLCTRL	(CLOCAL|CREAD|CSIZE|CSTOPB|HUPCL|PARENB|PARODD)
     }, lflags[] =
     {
-	{ECHO, "ECHO"},
-	{ECHOE | ECHO, "ECHOE"},	/* concession to readability */
-	{ECHOK | ECHO, "ECHOK"},	/* concession to readability */
-	{ECHONL, "ECHONL"},
-	{ICANON, "ICANON"},
-	{ISIG, "ISIG"},
-	{NOFLSH, "NOFLSH"},
-	{TOSTOP, "TOSTOP"},
-	{IEXTEN, "IEXTEN"},
-	{0, NULL}
+	DATA(ECHO),
+	DATA2(ECHOE | ECHO, ECHOE),
+	DATA2(ECHOK | ECHO, ECHOK),
+	DATA(ECHONL),
+	DATA(ICANON),
+	DATA(ISIG),
+	DATA(NOFLSH),
+	DATA(TOSTOP),
+	DATA(IEXTEN),
+	DATAX()
 #define ALLLOCAL	(ECHO|ECHONL|ICANON|ISIG|NOFLSH|TOSTOP|IEXTEN)
     };
 
@@ -175,11 +178,11 @@ _nc_trace_ttymode(TTY * tty)
 
 #if defined(CS5) && defined(CS8)
 	{
-	    static struct {
+	    static const struct {
 		int value;
-		const char *name;
+		const char name[5];
 	    } csizes[] = {
-#define CS_DATA(name) { name, #name " " }
+#define CS_DATA(name) { name, { #name " " } }
 		CS_DATA(CS5),
 #ifdef CS6
 		    CS_DATA(CS6),
@@ -228,17 +231,17 @@ _nc_trace_ttymode(TTY * tty)
 
     static const BITNAMES cflags[] =
     {
-	{CBREAK, "CBREAK"},
-	{CRMOD, "CRMOD"},
-	{ECHO, "ECHO"},
-	{EVENP, "EVENP"},
-	{LCASE, "LCASE"},
-	{LLITOUT, "LLITOUT"},
-	{ODDP, "ODDP"},
-	{RAW, "RAW"},
-	{TANDEM, "TANDEM"},
-	{XTABS, "XTABS"},
-	{0, NULL}
+	DATA(CBREAK),
+	DATA(CRMOD),
+	DATA(ECHO),
+	DATA(EVENP),
+	DATA(LCASE),
+	DATA(LLITOUT),
+	DATA(ODDP),
+	DATA(RAW),
+	DATA(TANDEM),
+	DATA(XTABS),
+	DATAX()
 #define ALLCTRL	(CBREAK|CRMOD|ECHO|EVENP|LCASE|LLITOUT|ODDP|RAW|TANDEM|XTABS)
     };
 
diff --git a/ncurses/trace/lib_tracedmp.c b/ncurses/trace/lib_tracedmp.c
index 0fda15b252e6..c8b7b05c2035 100644
--- a/ncurses/trace/lib_tracedmp.c
+++ b/ncurses/trace/lib_tracedmp.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2012,2016 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -39,7 +39,7 @@
 #include <curses.priv.h>
 #include <ctype.h>
 
-MODULE_ID("$Id: lib_tracedmp.c,v 1.34 2012/10/27 20:54:42 tom Exp $")
+MODULE_ID("$Id: lib_tracedmp.c,v 1.35 2016/05/28 23:30:01 tom Exp $")
 
 #ifdef TRACE
 
@@ -76,7 +76,7 @@ _tracedump(const char *name, WINDOW *win)
 
     for (n = 0; n <= win->_maxy; ++n) {
 	char *ep = my_buffer;
-	bool haveattrs, havecolors;
+	bool havecolors;
 
 	/*
 	 * Dump A_CHARTEXT part.  It is more important to make the grid line up
@@ -156,8 +156,8 @@ _tracedump(const char *name, WINDOW *win)
 	for (i = 0; i < 4; ++i) {
 	    const char *hex = " 123456789ABCDEF";
 	    attr_t mask = (attr_t) (0xf << ((i + 4) * 4));
+	    bool haveattrs = FALSE;
 
-	    haveattrs = FALSE;
 	    for (j = 0; j < width; ++j)
 		if (AttrOf(win->_line[n].text[j]) & mask) {
 		    haveattrs = TRUE;
diff --git a/ncurses/trace/lib_tracemse.c b/ncurses/trace/lib_tracemse.c
index 51ffa2ef7634..c62b71a0658b 100644
--- a/ncurses/trace/lib_tracemse.c
+++ b/ncurses/trace/lib_tracemse.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2011,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2012,2014 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -38,19 +38,21 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_tracemse.c,v 1.21 2012/12/15 23:51:19 tom Exp $")
+MODULE_ID("$Id: lib_tracemse.c,v 1.22 2014/10/10 09:06:26 tom Exp $")
 
 #ifdef TRACE
 
 #define my_buffer sp->tracemse_buf
 
-static char *
-_trace_mmask_t(SCREEN *sp, mmask_t code)
+NCURSES_EXPORT(char *)
+_nc_trace_mmask_t(SCREEN *sp, mmask_t code)
 {
 #define SHOW(m, s) \
     if ((code & m) == m) { \
-	_nc_STRCAT(my_buffer, s, sizeof(my_buffer)); \
+	size_t n = strlen(my_buffer); \
+	if (n && (my_buffer[n-1] != '{')) \
 	_nc_STRCAT(my_buffer, ", ", sizeof(my_buffer)); \
+	_nc_STRCAT(my_buffer, s, sizeof(my_buffer)); \
     }
 
     SHOW(BUTTON1_RELEASED, "release-1");
@@ -125,7 +127,7 @@ _nc_tracemouse(SCREEN *sp, MEVENT const *ep)
 		    ep->z,
 		    (unsigned long) ep->bstate);
 
-	(void) _trace_mmask_t(sp, ep->bstate);
+	(void) _nc_trace_mmask_t(sp, ep->bstate);
 	_nc_STRCAT(my_buffer, "}", sizeof(my_buffer));
 	result = (my_buffer);
     }
@@ -137,7 +139,7 @@ _nc_retrace_mmask_t(SCREEN *sp, mmask_t code)
 {
     if (sp != 0) {
 	*my_buffer = '\0';
-	T((T_RETURN("{%s}"), _trace_mmask_t(sp, code)));
+	T((T_RETURN("{%s}"), _nc_trace_mmask_t(sp, code)));
     } else {
 	T((T_RETURN("{?}")));
     }
diff --git a/ncurses/trace/trace_xnames.c b/ncurses/trace/trace_xnames.c
index 38a48730ccdc..8d0eefb9d4f0 100644
--- a/ncurses/trace/trace_xnames.c
+++ b/ncurses/trace/trace_xnames.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1999-2000,2010 Free Software Foundation, Inc.              *
+ * Copyright (c) 1999-2010,2016 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -35,7 +35,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: trace_xnames.c,v 1.6 2010/01/23 17:59:27 tom Exp $")
+MODULE_ID("$Id: trace_xnames.c,v 1.7 2016/05/28 23:30:01 tom Exp $")
 
 NCURSES_EXPORT(void)
 _nc_trace_xnames(TERMTYPE *tp GCC_UNUSED)
@@ -43,8 +43,9 @@ _nc_trace_xnames(TERMTYPE *tp GCC_UNUSED)
 #ifdef TRACE
 #if NCURSES_XNAMES
     int limit = tp->ext_Booleans + tp->ext_Numbers + tp->ext_Strings;
-    int n, m;
+
     if (limit) {
+	int n;
 	int begin_num = tp->ext_Booleans;
 	int begin_str = tp->ext_Booleans + tp->ext_Numbers;
 
@@ -53,7 +54,10 @@ _nc_trace_xnames(TERMTYPE *tp GCC_UNUSED)
 		limit,
 		tp->ext_Booleans, tp->ext_Numbers, tp->ext_Strings,
 		tp->num_Booleans, tp->num_Numbers, tp->num_Strings);
+
 	for (n = 0; n < limit; n++) {
+	    int m;
+
 	    if ((m = n - begin_str) >= 0) {
 		_tracef("[%d] %s = %s", n,
 			tp->ext_Names[n],
diff --git a/ncurses/trace/visbuf.c b/ncurses/trace/visbuf.c
index effa84352b7d..4f78139f3fcc 100644
--- a/ncurses/trace/visbuf.c
+++ b/ncurses/trace/visbuf.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2001-2012,2014 Free Software Foundation, Inc.              *
+ * Copyright (c) 2001-2017,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -42,12 +42,12 @@
 #include <tic.h>
 #include <ctype.h>
 
-MODULE_ID("$Id: visbuf.c,v 1.43 2014/02/23 01:21:08 tom Exp $")
+MODULE_ID("$Id: visbuf.c,v 1.51 2019/05/04 20:31:31 tom Exp $")
 
 #define NUM_VISBUFS 4
 
 #define NormalLen(len) (size_t) (((size_t)(len) + 1) * 4)
-#define WideLen(len)   (size_t) (((size_t)(len) + 1) * 4 * MB_CUR_MAX)
+#define WideLen(len)   (size_t) (((size_t)(len) + 1) * 4 * (size_t) MB_CUR_MAX)
 
 #ifdef TRACE
 static const char d_quote[] = StringOf(D_QUOTE);
@@ -69,7 +69,7 @@ _nc_vischar(char *tp, unsigned c LIMIT_ARG)
     if (c == '"' || c == '\\') {
 	*tp++ = '\\';
 	*tp++ = (char) c;
-    } else if (is7bits((int)c) && (isgraph((int)c) || c == ' ')) {
+    } else if (is7bits((int) c) && (isgraph((int) c) || c == ' ')) {
 	*tp++ = (char) c;
     } else if (c == '\n') {
 	*tp++ = '\\';
@@ -80,6 +80,9 @@ _nc_vischar(char *tp, unsigned c LIMIT_ARG)
     } else if (c == '\b') {
 	*tp++ = '\\';
 	*tp++ = 'b';
+    } else if (c == '\t') {
+	*tp++ = '\\';
+	*tp++ = 't';
     } else if (c == '\033') {
 	*tp++ = '\\';
 	*tp++ = 'e';
@@ -105,7 +108,6 @@ _nc_visbuf2n(int bufnum, const char *buf, int len)
 {
     const char *vbuf = 0;
     char *tp;
-    int c;
     int count;
 
     if (buf == 0)
@@ -122,6 +124,8 @@ _nc_visbuf2n(int bufnum, const char *buf, int len)
 #else
     {
 	static char *mybuf[NUM_VISBUFS];
+	int c;
+
 	if (bufnum < 0) {
 	    for (c = 0; c < NUM_VISBUFS; ++c) {
 		FreeAndNull(mybuf[c]);
@@ -134,6 +138,8 @@ _nc_visbuf2n(int bufnum, const char *buf, int len)
     }
 #endif
     if (tp != 0) {
+	int c;
+
 	*tp++ = D_QUOTE;
 	while ((--count >= 0) && (c = *buf++) != '\0') {
 	    tp = VisChar(tp, UChar(c), NormalLen(len));
@@ -185,7 +191,6 @@ _nc_viswbuf2n(int bufnum, const wchar_t *buf, int len)
 {
     const char *vbuf;
     char *tp;
-    wchar_t c;
     int count;
 
     if (buf == 0)
@@ -205,6 +210,8 @@ _nc_viswbuf2n(int bufnum, const wchar_t *buf, int len)
     }
 #endif
     if (tp != 0) {
+	wchar_t c;
+
 	*tp++ = D_QUOTE;
 	while ((--count >= 0) && (c = *buf++) != '\0') {
 	    char temp[CCHARW_MAX + 80];
@@ -278,10 +285,10 @@ NCURSES_EXPORT(const char *)
 _nc_viscbuf2(int bufnum, const NCURSES_CH_T * buf, int len)
 {
     char *result = _nc_trace_buf(bufnum, (size_t) BUFSIZ);
-    int first;
-    const char *found;
 
     if (result != 0) {
+	int first = 0;
+
 #if USE_WIDEC_SUPPORT
 	if (len < 0)
 	    len = _nc_wchstrlen(buf);
@@ -290,7 +297,6 @@ _nc_viscbuf2(int bufnum, const NCURSES_CH_T * buf, int len)
 	/*
 	 * Display one or more strings followed by attributes.
 	 */
-	first = 0;
 	while (first < len) {
 	    attr_t attr = AttrOf(buf[first]);
 	    int last = len - 1;
@@ -306,7 +312,8 @@ _nc_viscbuf2(int bufnum, const NCURSES_CH_T * buf, int len)
 	    (void) _nc_trace_bufcat(bufnum, l_brace);
 	    (void) _nc_trace_bufcat(bufnum, d_quote);
 	    for (j = first; j <= last; ++j) {
-		found = _nc_altcharset_name(attr, (chtype) CharOf(buf[j]));
+		const char *found = _nc_altcharset_name(attr, (chtype)
+							CharOf(buf[j]));
 		if (found != 0) {
 		    (void) _nc_trace_bufcat(bufnum, found);
 		    attr &= ~A_ALTCHARSET;
@@ -315,9 +322,9 @@ _nc_viscbuf2(int bufnum, const NCURSES_CH_T * buf, int len)
 		if (!isWidecExt(buf[j])) {
 		    PUTC_DATA;
 
-		    PUTC_INIT;
 		    for (PUTC_i = 0; PUTC_i < CCHARW_MAX; ++PUTC_i) {
 			int k;
+			char temp[80];
 
 			PUTC_ch = buf[j].chars[PUTC_i];
 			if (PUTC_ch == L'\0') {
@@ -325,12 +332,18 @@ _nc_viscbuf2(int bufnum, const NCURSES_CH_T * buf, int len)
 				(void) _nc_trace_bufcat(bufnum, "\\000");
 			    break;
 			}
+			PUTC_INIT;
 			PUTC_n = (int) wcrtomb(PUTC_buf,
 					       buf[j].chars[PUTC_i], &PUT_st);
-			if (PUTC_n <= 0)
+			if (PUTC_n <= 0 || buf[j].chars[PUTC_i] > 255) {
+			    _nc_SPRINTF(temp, _nc_SLIMIT(sizeof(temp))
+					"{%d:\\u%lx}",
+					_nc_wacs_width(buf[j].chars[PUTC_i]),
+					(unsigned long) buf[j].chars[PUTC_i]);
+			    (void) _nc_trace_bufcat(bufnum, temp);
 			    break;
+			}
 			for (k = 0; k < PUTC_n; k++) {
-			    char temp[80];
 			    VisChar(temp, UChar(PUTC_buf[k]), sizeof(temp));
 			    (void) _nc_trace_bufcat(bufnum, temp);
 			}
diff --git a/ncurses/tty/MKexpanded.sh b/ncurses/tty/MKexpanded.sh
index 7a5f5993c487..89e747416d01 100755
--- a/ncurses/tty/MKexpanded.sh
+++ b/ncurses/tty/MKexpanded.sh
@@ -1,6 +1,6 @@
 #! /bin/sh
 ##############################################################################
-# Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.                #
+# Copyright (c) 1998-2017,2019 Free Software Foundation, Inc.                #
 #                                                                            #
 # Permission is hereby granted, free of charge, to any person obtaining a    #
 # copy of this software and associated documentation files (the "Software"), #
@@ -29,7 +29,7 @@
 #
 # Author: Thomas E. Dickey, 1997-on
 #
-# $Id: MKexpanded.sh,v 1.17 2010/01/23 17:57:43 tom Exp $
+# $Id: MKexpanded.sh,v 1.21 2019/03/02 22:47:55 tom Exp $
 #
 # Script to generate 'expanded.c', a dummy source that contains functions
 # corresponding to complex macros used in this library.  By making functions,
@@ -48,7 +48,7 @@ else
 fi
 
 TMP=gen$$.c
-trap "rm -f $TMP" 0 1 2 5 15
+trap "rm -f $TMP" EXIT INT QUIT TERM HUP
 
 cat <<EOF
 /* generated by MKexpanded.sh */
@@ -125,7 +125,7 @@ _nc_UpdateAttrs (CARG_CH_T c)
 EOF
 
 $preprocessor $TMP 2>/dev/null | \
-	sed -e '1,/^IGNORE$/d' -e 's/^@/#/' -e 's/^#if_/#if /'
+	sed -e '1,/^IGNORE$/d' -e 's/^@/#/' -e 's/^#[ 	]*if_/#if /' -e "s,$TMP,expanded.c,"
 
 cat <<EOF
 #else /* ! NCURSES_EXPANDED */
diff --git a/ncurses/tty/hardscroll.c b/ncurses/tty/hardscroll.c
index 4ec168a0028e..f7c9e0d46f52 100644
--- a/ncurses/tty/hardscroll.c
+++ b/ncurses/tty/hardscroll.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2010,2012 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2015,2016 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -147,7 +147,7 @@ AUTHOR
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: hardscroll.c,v 1.51 2012/10/17 09:01:10 tom Exp $")
+MODULE_ID("$Id: hardscroll.c,v 1.53 2016/05/28 23:32:40 tom Exp $")
 
 #if defined(SCROLLDEBUG) || defined(HASHDEBUG)
 
@@ -300,11 +300,12 @@ NCURSES_EXPORT(void)
 NCURSES_SP_NAME(_nc_linedump) (NCURSES_SP_DCL0)
 /* dump the state of the real and virtual oldnum fields */
 {
-    int n;
     char *buf = 0;
     size_t want = ((size_t) screen_lines(SP_PARM) + 1) * 4;
+    (void) SP_PARM;
 
     if ((buf = typeMalloc(char, want)) != 0) {
+	int n;
 
 	*buf = '\0';
 	for (n = 0; n < screen_lines(SP_PARM); n++)
@@ -339,7 +340,7 @@ main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
     for (;;) {
 	int n;
 
-	for (n = 0; n < screen_lines; n++)
+	for (n = 0; n < screen_lines(sp); n++)
 	    oldnums[n] = _NEWINDEX;
 
 	/* grab the test vector */
diff --git a/ncurses/tty/hashmap.c b/ncurses/tty/hashmap.c
index 4a723865a4fd..75f6004d4510 100644
--- a/ncurses/tty/hashmap.c
+++ b/ncurses/tty/hashmap.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2010,2011 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2016,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -73,19 +73,23 @@ AUTHOR
 #define CUR SP_TERMTYPE
 #endif
 
-MODULE_ID("$Id: hashmap.c,v 1.63 2011/10/22 16:34:50 tom Exp $")
+MODULE_ID("$Id: hashmap.c,v 1.67 2019/12/15 00:57:15 tom Exp $")
 
 #ifdef HASHDEBUG
 
 # define _tracef	printf
 # undef TR
+# ifdef TRACE
 # define TR(n, a)	if (_nc_tracing & (n)) { _tracef a ; putchar('\n'); }
+# else
+# define TR(n, a)	{ _tracef a ; putchar('\n'); }
+# endif
 # undef screen_lines
-# define screen_lines MAXLINES
-# define TEXTWIDTH	1
+# define screen_lines(sp) MAXLINES
+# define TEXTWIDTH(sp)	1
 int oldnums[MAXLINES], reallines[MAXLINES];
-static NCURSES_CH_T oldtext[MAXLINES][TEXTWIDTH];
-static NCURSES_CH_T newtext[MAXLINES][TEXTWIDTH];
+static NCURSES_CH_T oldtext[MAXLINES][TEXTWIDTH(sp)];
+static NCURSES_CH_T newtext[MAXLINES][TEXTWIDTH(sp)];
 # define OLDNUM(sp,n)	oldnums[n]
 # define OLDTEXT(sp,n)	oldtext[n]
 # define NEWTEXT(sp,m)	newtext[m]
@@ -115,11 +119,13 @@ static NCURSES_CH_T newtext[MAXLINES][TEXTWIDTH];
 static const NCURSES_CH_T blankchar = NewChar(BLANK_TEXT);
 
 static NCURSES_INLINE unsigned long
-hash(SCREEN *sp, NCURSES_CH_T * text)
+hash(SCREEN *sp, NCURSES_CH_T *text)
 {
     int i;
     NCURSES_CH_T ch;
     unsigned long result = 0;
+    (void) sp;
+
     for (i = TEXTWIDTH(sp); i > 0; i--) {
 	ch = *text++;
 	result += (result << 5) + (unsigned long) HASH_VAL(ch);
@@ -129,10 +135,11 @@ hash(SCREEN *sp, NCURSES_CH_T * text)
 
 /* approximate update cost */
 static int
-update_cost(SCREEN *sp, NCURSES_CH_T * from, NCURSES_CH_T * to)
+update_cost(SCREEN *sp, NCURSES_CH_T *from, NCURSES_CH_T *to)
 {
     int cost = 0;
     int i;
+    (void) sp;
 
     for (i = TEXTWIDTH(sp); i > 0; i--, from++, to++)
 	if (!(CharEq(*from, *to)))
@@ -142,11 +149,12 @@ update_cost(SCREEN *sp, NCURSES_CH_T * from, NCURSES_CH_T * to)
 }
 
 static int
-update_cost_from_blank(SCREEN *sp, NCURSES_CH_T * to)
+update_cost_from_blank(SCREEN *sp, NCURSES_CH_T *to)
 {
     int cost = 0;
     int i;
     NCURSES_CH_T blank = blankchar;
+    (void) sp;
 
     if (back_color_erase)
 	SetPair(blank, GetPair(stdscr->_nc_bkgd));
@@ -190,9 +198,8 @@ cost_effective(SCREEN *sp, const int from, const int to, const int blank)
 static void
 grow_hunks(SCREEN *sp)
 {
-    int start, end, shift;
-    int back_limit, forward_limit;	/* limits for cells to fill */
-    int back_ref_limit, forward_ref_limit;	/* limits for refrences */
+    int back_limit;		/* limits for cells to fill */
+    int back_ref_limit;		/* limit for references */
     int i;
     int next_hunk;
 
@@ -207,8 +214,11 @@ grow_hunks(SCREEN *sp)
     while (i < screen_lines(sp) && OLDNUM(sp, i) == _NEWINDEX)
 	i++;
     for (; i < screen_lines(sp); i = next_hunk) {
-	start = i;
-	shift = OLDNUM(sp, i) - i;
+	int forward_limit;
+	int forward_ref_limit;
+	int end;
+	int start = i;
+	int shift = OLDNUM(sp, i) - i;
 
 	/* get forward limit */
 	i = start + 1;
@@ -277,7 +287,6 @@ NCURSES_SP_NAME(_nc_hash_map) (NCURSES_SP_DCL0)
 {
     HASHMAP *hsp;
     register int i;
-    int start, shift, size;
 
     if (screen_lines(SP_PARM) > lines_alloc(SP_PARM)) {
 	if (hashtab(SP_PARM))
@@ -379,6 +388,8 @@ NCURSES_SP_NAME(_nc_hash_map) (NCURSES_SP_DCL0)
      * more than carry.
      */
     for (i = 0; i < screen_lines(SP_PARM);) {
+	int start, shift, size;
+
 	while (i < screen_lines(SP_PARM) && OLDNUM(SP_PARM, i) == _NEWINDEX)
 	    i++;
 	if (i >= screen_lines(SP_PARM))
@@ -486,13 +497,13 @@ main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
 	return EXIT_FAILURE;
     (void) _nc_alloc_screen();
 
-    for (n = 0; n < screen_lines; n++) {
+    for (n = 0; n < screen_lines(sp); n++) {
 	reallines[n] = n;
 	oldnums[n] = _NEWINDEX;
 	CharOf(oldtext[n][0]) = CharOf(newtext[n][0]) = '.';
     }
 
-    if (isatty(fileno(stdin)))
+    if (NC_ISATTY(fileno(stdin)))
 	usage();
 
 #ifdef TRACE
@@ -509,7 +520,7 @@ main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
 	    break;
 
 	case 'l':		/* get initial line number vector */
-	    for (n = 0; n < screen_lines; n++) {
+	    for (n = 0; n < screen_lines(sp); n++) {
 		reallines[n] = n;
 		oldnums[n] = _NEWINDEX;
 	    }
@@ -522,9 +533,9 @@ main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
 	    break;
 
 	case 'n':		/* use following letters as text of new lines */
-	    for (n = 0; n < screen_lines; n++)
+	    for (n = 0; n < screen_lines(sp); n++)
 		CharOf(newtext[n][0]) = '.';
-	    for (n = 0; n < screen_lines; n++)
+	    for (n = 0; n < screen_lines(sp); n++)
 		if (line[n + 1] == '\n')
 		    break;
 		else
@@ -532,9 +543,9 @@ main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
 	    break;
 
 	case 'o':		/* use following letters as text of old lines */
-	    for (n = 0; n < screen_lines; n++)
+	    for (n = 0; n < screen_lines(sp); n++)
 		CharOf(oldtext[n][0]) = '.';
-	    for (n = 0; n < screen_lines; n++)
+	    for (n = 0; n < screen_lines(sp); n++)
 		if (line[n + 1] == '\n')
 		    break;
 		else
@@ -546,12 +557,12 @@ main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
 	    _nc_linedump();
 #endif
 	    (void) fputs("Old lines: [", stdout);
-	    for (n = 0; n < screen_lines; n++)
+	    for (n = 0; n < screen_lines(sp); n++)
 		putchar(CharOf(oldtext[n][0]));
 	    putchar(']');
 	    putchar('\n');
 	    (void) fputs("New lines: [", stdout);
-	    for (n = 0; n < screen_lines; n++)
+	    for (n = 0; n < screen_lines(sp); n++)
 		putchar(CharOf(newtext[n][0]));
 	    putchar(']');
 	    putchar('\n');
@@ -572,11 +583,7 @@ main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
 	    break;
 	}
     }
-#if NO_LEAKS
-    _nc_free_and_exit(EXIT_SUCCESS);
-#else
-    return EXIT_SUCCESS;
-#endif
+    exit_curses(EXIT_SUCCESS);
 }
 
 #endif /* HASHDEBUG */
diff --git a/ncurses/tty/lib_mvcur.c b/ncurses/tty/lib_mvcur.c
index 2ea04c58a8f2..c4847c720589 100644
--- a/ncurses/tty/lib_mvcur.c
+++ b/ncurses/tty/lib_mvcur.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -159,7 +159,7 @@
 #define CUR SP_TERMTYPE
 #endif
 
-MODULE_ID("$Id: lib_mvcur.c,v 1.133 2013/05/25 23:59:41 tom Exp $")
+MODULE_ID("$Id: lib_mvcur.c,v 1.150 2019/06/01 23:42:09 tom Exp $")
 
 #define WANT_CHAR(sp, y, x) NewScreen(sp)->_line[y].text[x]	/* desired state */
 
@@ -327,7 +327,7 @@ NCURSES_EXPORT(void)
 NCURSES_SP_NAME(_nc_mvcur_init) (NCURSES_SP_DCL0)
 /* initialize the cost structure */
 {
-    if (SP_PARM->_ofp && isatty(fileno(SP_PARM->_ofp))) {
+    if (SP_PARM->_ofp && NC_ISATTY(fileno(SP_PARM->_ofp))) {
 	SP_PARM->_char_padding = ((BAUDBYTE * 1000 * 10)
 				  / (BAUDRATE(SP_PARM) > 0
 				     ? BAUDRATE(SP_PARM)
@@ -344,7 +344,9 @@ NCURSES_SP_NAME(_nc_mvcur_init) (NCURSES_SP_DCL0)
     SP_PARM->_home_cost = CostOf(cursor_home, 0);
     SP_PARM->_ll_cost = CostOf(cursor_to_ll, 0);
 #if USE_HARD_TABS
-    if (getenv("NCURSES_NO_HARD_TABS") == 0) {
+    if (getenv("NCURSES_NO_HARD_TABS") == 0
+	&& dest_tabs_magic_smso == 0
+	&& HasHardTabs()) {
 	SP_PARM->_ht_cost = CostOf(tab, 0);
 	SP_PARM->_cbt_cost = CostOf(back_tab, 0);
     } else {
@@ -450,8 +452,8 @@ NCURSES_SP_NAME(_nc_mvcur_init) (NCURSES_SP_DCL0)
 
     /*
      * A different, possibly better way to arrange this would be to set the
-     * SCREEN's _endwin to TRUE at window initialization time and let this be
-     * called by doupdate's return-from-shellout code.
+     * SCREEN's _endwin at window initialization time and let this be called by
+     * doupdate's return-from-shellout code.
      */
     NCURSES_SP_NAME(_nc_mvcur_resume) (NCURSES_SP_ARG);
 }
@@ -935,6 +937,7 @@ onscreen_mvcur(NCURSES_SP_DCLx
 #endif /* MAIN */
 
     if (usecost != INFINITY) {
+	TR(TRACE_MOVE, ("mvcur tactic %d", tactic));
 	TPUTS_TRACE("mvcur");
 	NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
 				buffer, 1, myOutCh);
@@ -988,14 +991,14 @@ _nc_real_mvcur(NCURSES_SP_DCLx
 	    TR(TRACE_CHARPUT, ("turning off (%#lx) %s before move",
 			       (unsigned long) AttrOf(oldattr),
 			       _traceattr(AttrOf(oldattr))));
-	    (void) VIDATTR(SP_PARM, A_NORMAL, 0);
+	    VIDPUTS(SP_PARM, A_NORMAL, 0);
 	}
 
 	if (xold >= screen_columns(SP_PARM)) {
-	    int l;
 
 	    if (SP_PARM->_nl) {
-		l = (xold + 1) / screen_columns(SP_PARM);
+		int l = (xold + 1) / screen_columns(SP_PARM);
+
 		yold += l;
 		if (yold >= screen_lines(SP_PARM))
 		    l -= (yold - screen_lines(SP_PARM) - 1);
@@ -1042,7 +1045,7 @@ _nc_real_mvcur(NCURSES_SP_DCLx
 	    TR(TRACE_CHARPUT, ("turning on (%#lx) %s after move",
 			       (unsigned long) AttrOf(oldattr),
 			       _traceattr(AttrOf(oldattr))));
-	    (void) VIDATTR(SP_PARM, AttrOf(oldattr), GetPair(oldattr));
+	    VIDPUTS(SP_PARM, AttrOf(oldattr), GetPair(oldattr));
 	}
     }
     returnCode(code);
@@ -1056,9 +1059,18 @@ NCURSES_SP_NAME(_nc_mvcur) (NCURSES_SP_DCLx
 			    int yold, int xold,
 			    int ynew, int xnew)
 {
-    return _nc_real_mvcur(NCURSES_SP_ARGx yold, xold, ynew, xnew,
-			  NCURSES_SP_NAME(_nc_outch),
-			  TRUE);
+    int rc;
+    rc = _nc_real_mvcur(NCURSES_SP_ARGx yold, xold, ynew, xnew,
+			NCURSES_SP_NAME(_nc_outch),
+			TRUE);
+    /*
+     * With the terminal-driver, we cannot distinguish between internal and
+     * external calls.  Flush the output if the screen has not been
+     * initialized, e.g., when used from low-level terminfo programs.
+     */
+    if ((SP_PARM != 0) && (SP_PARM->_endwin == ewInitial))
+	NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_ARG);
+    return rc;
 }
 
 #if NCURSES_SP_FUNCS
@@ -1077,11 +1089,16 @@ _nc_mvcur(int yold, int xold,
 NCURSES_EXPORT(int)
 TINFO_MVCUR(NCURSES_SP_DCLx int yold, int xold, int ynew, int xnew)
 {
-    return _nc_real_mvcur(NCURSES_SP_ARGx
-			  yold, xold,
-			  ynew, xnew,
-			  NCURSES_SP_NAME(_nc_outch),
-			  TRUE);
+    int rc;
+    rc = _nc_real_mvcur(NCURSES_SP_ARGx
+			yold, xold,
+			ynew, xnew,
+			NCURSES_SP_NAME(_nc_outch),
+			TRUE);
+    if ((SP_PARM != 0) && (SP_PARM->_endwin == ewInitial))
+	NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_ARG);
+    NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_ARG);
+    return rc;
 }
 
 #else /* !USE_TERM_DRIVER */
@@ -1181,13 +1198,12 @@ roll(int n)
 int
 main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
 {
-    strcpy(tname, getenv("TERM"));
+    _nc_STRCPY(tname, getenv("TERM"), sizeof(tname));
     load_term();
     _nc_setupscreen(lines, columns, stdout, FALSE, 0);
     baudrate();
 
     _nc_mvcur_init();
-    NC_BUFFERED(FALSE);
 
     (void) puts("The mvcur tester.  Type ? for help");
 
@@ -1198,27 +1214,26 @@ main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
 	int fy, fx, ty, tx, n, i;
 	char buf[BUFSIZ], capname[BUFSIZ];
 
-	(void) fputs("> ", stdout);
-	(void) fgets(buf, sizeof(buf), stdin);
+	if (fputs("> ", stdout) == EOF)
+	    break;
+	if (fgets(buf, sizeof(buf), stdin) == 0)
+	    break;
 
+#define PUTS(s)   (void) puts(s)
+#define PUTF(s,t) (void) printf(s,t)
 	if (buf[0] == '?') {
-	    (void) puts("?                -- display this help message");
-	    (void)
-		puts("fy fx ty tx      -- (4 numbers) display (fy,fx)->(ty,tx) move");
-	    (void) puts("s[croll] n t b m -- display scrolling sequence");
-	    (void)
-		printf("r[eload]         -- reload terminal info for %s\n",
-		       termname());
-	    (void)
-		puts("l[oad] <term>    -- load terminal info for type <term>");
-	    (void) puts("d[elete] <cap>   -- delete named capability");
-	    (void) puts("i[nspect]        -- display terminal capabilities");
-	    (void)
-		puts("c[ost]           -- dump cursor-optimization cost table");
-	    (void) puts("o[optimize]      -- toggle movement optimization");
-	    (void)
-		puts("t[orture] <num>  -- torture-test with <num> random moves");
-	    (void) puts("q[uit]           -- quit the program");
+	    PUTS("?                -- display this help message");
+	    PUTS("fy fx ty tx      -- (4 numbers) display (fy,fx)->(ty,tx) move");
+	    PUTS("s[croll] n t b m -- display scrolling sequence");
+	    PUTF("r[eload]         -- reload terminal info for %s\n",
+		 termname());
+	    PUTS("l[oad] <term>    -- load terminal info for type <term>");
+	    PUTS("d[elete] <cap>   -- delete named capability");
+	    PUTS("i[nspect]        -- display terminal capabilities");
+	    PUTS("c[ost]           -- dump cursor-optimization cost table");
+	    PUTS("o[optimize]      -- toggle movement optimization");
+	    PUTS("t[orture] <num>  -- torture-test with <num> random moves");
+	    PUTS("q[uit]           -- quit the program");
 	} else if (sscanf(buf, "%d %d %d %d", &fy, &fx, &ty, &tx) == 4) {
 	    struct timeval before, after;
 
@@ -1246,7 +1261,7 @@ main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
 							     before.tv_sec)
 			   * 1000000));
 	} else if (buf[0] == 'r') {
-	    (void) strcpy(tname, termname());
+	    _nc_STRCPY(tname, termname(), sizeof(tname));
 	    load_term();
 	} else if (sscanf(buf, "l %s", tname) == 1) {
 	    load_term();
@@ -1279,8 +1294,9 @@ main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
 		}
 	    }
 	} else if (buf[0] == 'i') {
-	    dump_init((char *) NULL, F_TERMINFO, S_TERMINFO, 70, 0, FALSE);
-	    dump_entry(&cur_term->type, FALSE, TRUE, 0, 0);
+	    dump_init(NULL, F_TERMINFO, S_TERMINFO,
+		      FALSE, 70, 0, 0, FALSE, FALSE, 0);
+	    dump_entry(&TerminalType(cur_term), FALSE, TRUE, 0, 0);
 	    putchar('\n');
 	} else if (buf[0] == 'o') {
 	    if (_nc_optimize_enable & OPTIMIZE_MVCUR) {
diff --git a/ncurses/tty/lib_tstp.c b/ncurses/tty/lib_tstp.c
index b6955c456248..42d5ccb41522 100644
--- a/ncurses/tty/lib_tstp.c
+++ b/ncurses/tty/lib_tstp.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2014,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -42,7 +42,7 @@
 
 #include <SigAction.h>
 
-MODULE_ID("$Id: lib_tstp.c,v 1.47 2013/04/27 19:50:17 tom Exp $")
+MODULE_ID("$Id: lib_tstp.c,v 1.49 2017/07/22 23:29:58 tom Exp $")
 
 #if defined(SIGTSTP) && (HAVE_SIGACTION || HAVE_SIGVEC)
 #define USE_SIGTSTP 1
@@ -155,8 +155,10 @@ handle_SIGTSTP(int dummy GCC_UNUSED)
      * taken ownership of the tty and modified the settings when our
      * parent was stopped before us, and we would likely pick up the
      * settings already modified by the shell.
+     *
+     * Don't do this if we're not in curses -
      */
-    if (sp != 0 && !sp->_endwin)	/* don't do this if we're not in curses */
+    if (sp != 0 && (sp->_endwin == ewRunning))
 #if HAVE_TCGETPGRP
 	if (tcgetpgrp(STDIN_FILENO) == getpgrp())
 #endif
@@ -267,13 +269,13 @@ handle_SIGINT(int sig)
 	    SCREEN *scan;
 	    for (each_screen(scan)) {
 		if (scan->_ofp != 0
-		    && isatty(fileno(scan->_ofp))) {
+		    && NC_ISATTY(fileno(scan->_ofp))) {
 		    scan->_outch = NCURSES_SP_NAME(_nc_outch);
 		}
 		set_term(scan);
 		NCURSES_SP_NAME(endwin) (NCURSES_SP_ARG);
 		if (sp)
-		    sp->_endwin = FALSE;	/* in case of reuse */
+		    sp->_endwin = ewInitial;	/* in case of reuse */
 	    }
 	}
     }
diff --git a/ncurses/tty/lib_twait.c b/ncurses/tty/lib_twait.c
index 2f70550fb578..ffdd4932183e 100644
--- a/ncurses/tty/lib_twait.c
+++ b/ncurses/tty/lib_twait.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2016,2018 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -70,12 +70,12 @@
 #  include <sys/select.h>
 # endif
 #endif
-#ifdef __MINGW32__
+#ifdef _WIN32
 #  include <sys/time.h>
 #endif
 #undef CUR
 
-MODULE_ID("$Id: lib_twait.c,v 1.67 2013/02/18 09:22:27 tom Exp $")
+MODULE_ID("$Id: lib_twait.c,v 1.73 2018/06/23 21:35:06 tom Exp $")
 
 static long
 _nc_gettime(TimeType * t0, int first)
@@ -102,7 +102,7 @@ _nc_gettime(TimeType * t0, int first)
     if (first) {
 	*t0 = t1;
     }
-    res = (t1 - *t0) * 1000;
+    res = (long) ((t1 - *t0) * 1000);
 #endif
     TR(TRACE_IEVENT, ("%s time: %ld msec", first ? "get" : "elapsed", res));
     return res;
@@ -113,15 +113,15 @@ NCURSES_EXPORT(int)
 _nc_eventlist_timeout(_nc_eventlist * evl)
 {
     int event_delay = -1;
-    int n;
 
     if (evl != 0) {
+	int n;
 
 	for (n = 0; n < evl->count; ++n) {
 	    _nc_event *ev = evl->events[n];
 
 	    if (ev->type == _NC_EVENT_TIMEOUT_MSEC) {
-		event_delay = ev->data.timeout_msec;
+		event_delay = (int) ev->data.timeout_msec;
 		if (event_delay < 0)
 		    event_delay = INT_MAX;	/* FIXME Is this defined? */
 	    }
@@ -197,6 +197,10 @@ _nc_timed_wait(SCREEN *sp MAYBE_UNUSED,
 
     long starttime, returntime;
 
+#ifdef NCURSES_WGETCH_EVENTS
+    (void) timeout_is_event;
+#endif
+
     TR(TRACE_IEVENT, ("start twait: %d milliseconds, mode: %d",
 		      milliseconds, mode));
 
@@ -230,7 +234,8 @@ _nc_timed_wait(SCREEN *sp MAYBE_UNUSED,
 
 #ifdef NCURSES_WGETCH_EVENTS
     if ((mode & TW_EVENT) && evl) {
-	fds = typeMalloc(struct pollfd, MIN_FDS + evl->count);
+	if (fds == fd_list)
+	    fds = typeMalloc(struct pollfd, MIN_FDS + evl->count);
 	if (fds == 0)
 	    return TW_NONE;
     }
diff --git a/ncurses/tty/lib_vidattr.c b/ncurses/tty/lib_vidattr.c
index 0846d8485f42..49e754782597 100644
--- a/ncurses/tty/lib_vidattr.c
+++ b/ncurses/tty/lib_vidattr.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2011,2013 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -69,17 +69,24 @@
 #define CUR SP_TERMTYPE
 #endif
 
-MODULE_ID("$Id: lib_vidattr.c,v 1.67 2013/08/31 20:08:59 tom Exp $")
+MODULE_ID("$Id: lib_vidattr.c,v 1.74 2019/04/13 22:40:54 tom Exp $")
 
 #define doPut(mode) \
 	TPUTS_TRACE(#mode); \
 	NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx mode, 1, outc)
 
 #define TurnOn(mask, mode) \
-	if ((turn_on & mask) && mode) { doPut(mode); }
+	if ((turn_on & mask) && mode) { \
+	    TPUTS_TRACE(#mode); \
+	    NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx mode, 1, outc); \
+	}
 
 #define TurnOff(mask, mode) \
-	if ((turn_off & mask) && mode) { doPut(mode); turn_off &= ~mask; }
+	if ((turn_off & mask) && mode) { \
+	    TPUTS_TRACE(#mode); \
+	    NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx mode, 1, outc); \
+	    turn_off &= ~mask; \
+	}
 
 	/* if there is no current screen, assume we *can* do color */
 #define SetColorsIf(why, old_attr) \
@@ -117,7 +124,7 @@ NCURSES_SP_NAME(vidputs) (NCURSES_SP_DCLx
 
     T((T_CALLED("vidputs(%p,%s)"), (void *) SP_PARM, _traceattr(newmode)));
 
-    if (!IsTermInfo(SP_PARM))
+    if (!IsValidTIScreen(SP_PARM))
 	returnCode(ERR);
 
     /* this allows us to go on whether or not newterm() has been called */
@@ -213,7 +220,7 @@ NCURSES_SP_NAME(vidputs) (NCURSES_SP_DCLx
     }
 
     turn_off = (~newmode & PreviousAttr) & ALL_BUT_COLOR;
-    turn_on = (newmode & ~PreviousAttr) & ALL_BUT_COLOR;
+    turn_on = (newmode & ~(PreviousAttr & TPARM_ATTR)) & ALL_BUT_COLOR;
 
     SetColorsIf(((pair == 0) && !fix_pair0), PreviousAttr);
 
@@ -308,7 +315,7 @@ NCURSES_SP_NAME(vidputs) (NCURSES_SP_DCLx
 #if USE_ITALIC
 	TurnOn(A_ITALIC,	enter_italics_mode);
 #endif
-#if USE_WIDEC_SUPPORT
+#if USE_WIDEC_SUPPORT && defined(enter_horizontal_hl_mode)
 	TurnOn(A_HORIZONTAL,	enter_horizontal_hl_mode);
 	TurnOn(A_LEFT,		enter_left_hl_mode);
 	TurnOn(A_LOW,		enter_low_hl_mode);
@@ -368,7 +375,7 @@ NCURSES_SP_NAME(termattrs) (NCURSES_SP_DCL0)
 
     if (HasTerminal(SP_PARM)) {
 #ifdef USE_TERM_DRIVER
-	attrs = CallDriver(SP_PARM, conattr);
+	attrs = CallDriver(SP_PARM, td_conattr);
 #else /* ! USE_TERM_DRIVER */
 
 	if (enter_alt_charset_mode)
diff --git a/ncurses/tty/tty_update.c b/ncurses/tty/tty_update.c
index 8a110ee92125..162303433c30 100644
--- a/ncurses/tty/tty_update.c
+++ b/ncurses/tty/tty_update.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2013,2014 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -43,6 +43,8 @@
  *
  *-----------------------------------------------------------------*/
 
+#define NEW_PAIR_INTERNAL 1
+
 #include <curses.priv.h>
 
 #ifndef CUR
@@ -82,7 +84,7 @@
 
 #include <ctype.h>
 
-MODULE_ID("$Id: tty_update.c,v 1.277 2014/02/01 22:09:27 tom Exp $")
+MODULE_ID("$Id: tty_update.c,v 1.304 2019/06/23 16:22:17 tom Exp $")
 
 /*
  * This define controls the line-breakout optimization.  Every once in a
@@ -179,7 +181,7 @@ position_check(NCURSES_SP_DCLx int expected_y, int expected_x, char *legend)
     }
 }
 #else
-#define position_check(sp, expected_y, expected_x, legend)	/* nothing */
+#define position_check(expected_y, expected_x, legend)	/* nothing */
 #endif /* POSITION_DEBUG */
 
 /****************************************************************************
@@ -194,15 +196,23 @@ GoTo(NCURSES_SP_DCLx int const row, int const col)
     TR(TRACE_MOVE, ("GoTo(%p, %d, %d) from (%d, %d)",
 		    (void *) SP_PARM, row, col, SP_PARM->_cursrow, SP_PARM->_curscol));
 
-    position_check(SP_PARM, SP_PARM->_cursrow, SP_PARM->_curscol, "GoTo");
+    position_check(NCURSES_SP_ARGx
+		   SP_PARM->_cursrow,
+		   SP_PARM->_curscol, "GoTo");
 
     TINFO_MVCUR(NCURSES_SP_ARGx
 		SP_PARM->_cursrow,
 		SP_PARM->_curscol,
 		row, col);
-    position_check(SP_PARM, SP_PARM->_cursrow, SP_PARM->_curscol, "GoTo2");
+    position_check(NCURSES_SP_ARGx
+		   SP_PARM->_cursrow,
+		   SP_PARM->_curscol, "GoTo2");
 }
 
+#if !NCURSES_WCWIDTH_GRAPHICS
+#define is_wacs_value(ch) (_nc_wacs_width(ch) == 1 && wcwidth(ch) > 1)
+#endif /* !NCURSES_WCWIDTH_GRAPHICS */
+
 static NCURSES_INLINE void
 PutAttrChar(NCURSES_SP_DCLx CARG_CH_T ch)
 {
@@ -229,7 +239,7 @@ PutAttrChar(NCURSES_SP_DCLx CARG_CH_T ch)
      * Determine the number of character cells which the 'ch' value will use
      * on the screen.  It should be at least one.
      */
-    if ((chlen = wcwidth(CharOf(CHDEREF(ch)))) <= 0) {
+    if ((chlen = _nc_wacs_width(CharOf(CHDEREF(ch)))) <= 0) {
 	static const NCURSES_CH_T blank = NewChar(BLANK_TEXT);
 
 	/*
@@ -264,8 +274,14 @@ PutAttrChar(NCURSES_SP_DCLx CARG_CH_T ch)
 
     if ((AttrOf(attr) & A_ALTCHARSET)
 	&& SP_PARM->_acs_map != 0
-	&& CharOfD(ch) < ACS_LEN) {
+	&& ((CharOfD(ch) < ACS_LEN)
+#if !NCURSES_WCWIDTH_GRAPHICS
+	    || is_wacs_value(CharOfD(ch))
+#endif
+	)) {
+	int c8;
 	my_ch = CHDEREF(ch);	/* work around const param */
+	c8 = CharOf(my_ch);
 #if USE_WIDEC_SUPPORT
 	/*
 	 * This is crude & ugly, but works most of the time.  It checks if the
@@ -273,17 +289,39 @@ PutAttrChar(NCURSES_SP_DCLx CARG_CH_T ch)
 	 * character, and uses the wide-character mapping when we expect the
 	 * normal one to be broken (by mis-design ;-).
 	 */
-	if (SP_PARM->_screen_acs_fix
-	    && SP_PARM->_screen_acs_map[CharOf(my_ch)]) {
-	    RemAttr(attr, A_ALTCHARSET);
-	    my_ch = _nc_wacs[CharOf(my_ch)];
-	} else if (SP_PARM->_screen_unicode
-		   && !SP_PARM->_screen_acs_map[CharOf(my_ch)]
-		   && _nc_wacs[CharOf(my_ch)].chars[0]) {
-	    RemAttr(attr, A_ALTCHARSET);
-	    my_ch = _nc_wacs[CharOf(my_ch)];
-	}
+	if (SP_PARM->_screen_unicode
+	    && _nc_wacs[CharOf(my_ch)].chars[0]) {
+	    if (SP_PARM->_screen_acs_map[CharOf(my_ch)]) {
+		if (SP_PARM->_screen_acs_fix) {
+		    RemAttr(attr, A_ALTCHARSET);
+		    my_ch = _nc_wacs[CharOf(my_ch)];
+		}
+	    } else {
+		RemAttr(attr, A_ALTCHARSET);
+		my_ch = _nc_wacs[CharOf(my_ch)];
+	    }
+#if !NCURSES_WCWIDTH_GRAPHICS
+	    if (!(AttrOf(attr) & A_ALTCHARSET)) {
+		chlen = 1;
+	    }
+#endif /* !NCURSES_WCWIDTH_GRAPHICS */
+	} else
 #endif
+	if (!SP_PARM->_screen_acs_map[c8]) {
+	    /*
+	     * If we found no mapping for a given alternate-character set item
+	     * in the terminal description, attempt to use the ASCII fallback
+	     * code which is populated in the _acs_map[] array.  If that did
+	     * not correspond to a line-drawing, etc., graphics character, the
+	     * array entry would be empty.
+	     */
+	    chtype temp = UChar(SP_PARM->_acs_map[c8]);
+	    if (temp) {
+		RemAttr(attr, A_ALTCHARSET);
+		SetChar(my_ch, temp, AttrOf(attr));
+	    }
+	}
+
 	/*
 	 * If we (still) have alternate character set, it is the normal 8bit
 	 * flavor.  The _screen_acs_map[] array tells if the character was
@@ -303,6 +341,11 @@ PutAttrChar(NCURSES_SP_DCLx CARG_CH_T ch)
 	}
 	ch = CHREF(my_ch);
     }
+#if USE_WIDEC_SUPPORT && !NCURSES_WCWIDTH_GRAPHICS
+    else if (chlen > 1 && is_wacs_value(CharOfD(ch))) {
+	chlen = 1;
+    }
+#endif
     if (tilde_glitch && (CharOfD(ch) == L('~'))) {
 	SetChar(tilde, L('`'), AttrOf(attr));
 	ch = CHREF(tilde);
@@ -390,7 +433,7 @@ PutCharLR(NCURSES_SP_DCLx const ARG_CH_T ch)
 
 	PutAttrChar(NCURSES_SP_ARGx ch);
 	SP_PARM->_curscol--;
-	position_check(SP_PARM,
+	position_check(NCURSES_SP_ARGx
 		       SP_PARM->_cursrow,
 		       SP_PARM->_curscol,
 		       "exit_am_mode");
@@ -444,12 +487,12 @@ wrap_cursor(NCURSES_SP_DCL0)
 	    TR(TRACE_CHARPUT, ("turning off (%#lx) %s before wrapping",
 			       (unsigned long) AttrOf(SCREEN_ATTRS(SP_PARM)),
 			       _traceattr(AttrOf(SCREEN_ATTRS(SP_PARM)))));
-	    (void) VIDATTR(SP_PARM, A_NORMAL, 0);
+	    VIDPUTS(SP_PARM, A_NORMAL, 0);
 	}
     } else {
 	SP_PARM->_curscol--;
     }
-    position_check(SP_PARM,
+    position_check(NCURSES_SP_ARGx
 		   SP_PARM->_cursrow,
 		   SP_PARM->_curscol,
 		   "wrap_cursor");
@@ -469,7 +512,9 @@ PutChar(NCURSES_SP_DCLx const ARG_CH_T ch)
     if (SP_PARM->_curscol >= screen_columns(SP_PARM))
 	wrap_cursor(NCURSES_SP_ARG);
 
-    position_check(SP_PARM, SP_PARM->_cursrow, SP_PARM->_curscol, "PutChar");
+    position_check(NCURSES_SP_ARGx
+		   SP_PARM->_cursrow,
+		   SP_PARM->_curscol, "PutChar");
 }
 
 /*
@@ -487,14 +532,15 @@ can_clear_with(NCURSES_SP_DCLx ARG_CH_T ch)
 
 	if (!SP_PARM->_default_color)
 	    return FALSE;
-	if (SP_PARM->_default_fg != C_MASK || SP_PARM->_default_bg != C_MASK)
+	if (!(isDefaultColor(SP_PARM->_default_fg) &&
+	      isDefaultColor(SP_PARM->_default_bg)))
 	    return FALSE;
 	if ((pair = GetPair(CHDEREF(ch))) != 0) {
 	    NCURSES_COLOR_T fg, bg;
 	    if (NCURSES_SP_NAME(pair_content) (NCURSES_SP_ARGx
 					       (short) pair,
 					       &fg, &bg) == ERR
-		|| (fg != C_MASK || bg != C_MASK)) {
+		|| !(isDefaultColor(fg) && isDefaultColor(bg))) {
 		return FALSE;
 	    }
 	}
@@ -572,7 +618,15 @@ EmitRange(NCURSES_SP_DCLx const NCURSES_CH_T * ntext, int num)
 		} else {
 		    return 1;	/* cursor stays in the middle */
 		}
-	    } else if (repeat_char && runcount > SP_PARM->_rep_cost) {
+	    } else if (repeat_char != 0 &&
+#if USE_WIDEC_SUPPORT
+		       (!SP_PARM->_screen_unicode &&
+			(CharOf(ntext0) < ((AttrOf(ntext0) & A_ALTCHARSET)
+					   ? ACS_LEN
+					   : 256))) &&
+#endif
+		       runcount > SP_PARM->_rep_cost) {
+		NCURSES_CH_T temp;
 		bool wrap_possible = (SP_PARM->_curscol + runcount >=
 				      screen_columns(SP_PARM));
 		int rep_count = runcount;
@@ -581,11 +635,19 @@ EmitRange(NCURSES_SP_DCLx const NCURSES_CH_T * ntext, int num)
 		    rep_count--;
 
 		UpdateAttrs(SP_PARM, ntext0);
+		temp = ntext0;
+		if ((AttrOf(temp) & A_ALTCHARSET) &&
+		    SP_PARM->_acs_map != 0 &&
+		    (SP_PARM->_acs_map[CharOf(temp)] & A_CHARTEXT) != 0) {
+		    SetChar(temp,
+			    (SP_PARM->_acs_map[CharOf(ntext0)] & A_CHARTEXT),
+			    AttrOf(ntext0) | A_ALTCHARSET);
+		}
 		NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
 					TPARM_2(repeat_char,
-						CharOf(ntext0),
+						CharOf(temp),
 						rep_count),
-					rep_count,
+					1,
 					NCURSES_SP_NAME(_nc_outch));
 		SP_PARM->_curscol += rep_count;
 
@@ -621,7 +683,7 @@ PutRange(NCURSES_SP_DCLx
 	 int row,
 	 int first, int last)
 {
-    int i, j, same;
+    int rc;
 
     TR(TRACE_CHARPUT, ("PutRange(%p, %p, %p, %d, %d, %d)",
 		       (void *) SP_PARM,
@@ -631,6 +693,8 @@ PutRange(NCURSES_SP_DCLx
 
     if (otext != ntext
 	&& (last - first + 1) > SP_PARM->_inline_cost) {
+	int i, j, same;
+
 	for (j = first, same = 0; j <= last; j++) {
 	    if (!same && isWidecExt(otext[j]))
 		continue;
@@ -649,9 +713,11 @@ PutRange(NCURSES_SP_DCLx
 	 * Always return 1 for the next GoTo() after a PutRange() if we found
 	 * identical characters at end of interval
 	 */
-	return (same == 0 ? i : 1);
+	rc = (same == 0 ? i : 1);
+    } else {
+	rc = EmitRange(NCURSES_SP_ARGx ntext + first, last - first + 1);
     }
-    return EmitRange(NCURSES_SP_ARGx ntext + first, last - first + 1);
+    return rc;
 }
 
 /* leave unbracketed here so 'indent' works */
@@ -671,9 +737,12 @@ TINFO_DOUPDATE(NCURSES_SP_DCL0)
 
     T((T_CALLED("_nc_tinfo:doupdate(%p)"), (void *) SP_PARM));
 
-    if (SP_PARM == 0)
-	returnCode(ERR);
+    _nc_lock_global(update);
 
+    if (SP_PARM == 0) {
+	_nc_unlock_global(update);
+	returnCode(ERR);
+    }
 #if !USE_REENTRANT
     /*
      * It is "legal" but unlikely that an application could assign a new
@@ -694,9 +763,10 @@ TINFO_DOUPDATE(NCURSES_SP_DCL0)
 
     if (CurScreen(SP_PARM) == 0
 	|| NewScreen(SP_PARM) == 0
-	|| StdScreen(SP_PARM) == 0)
+	|| StdScreen(SP_PARM) == 0) {
+	_nc_unlock_global(update);
 	returnCode(ERR);
-
+    }
 #ifdef TRACE
     if (USE_TRACEF(TRACE_UPDATE)) {
 	if (CurScreen(SP_PARM)->_clear)
@@ -714,7 +784,8 @@ TINFO_DOUPDATE(NCURSES_SP_DCL0)
 	SP_PARM->_fifohold--;
 
 #if USE_SIZECHANGE
-    if (SP_PARM->_endwin || _nc_handle_sigwinch(SP_PARM)) {
+    if ((SP_PARM->_endwin == ewSuspend)
+	|| _nc_handle_sigwinch(SP_PARM)) {
 	/*
 	 * This is a transparent extension:  XSI does not address it,
 	 * and applications need not know that ncurses can do it.
@@ -727,7 +798,7 @@ TINFO_DOUPDATE(NCURSES_SP_DCL0)
     }
 #endif
 
-    if (SP_PARM->_endwin) {
+    if (SP_PARM->_endwin == ewSuspend) {
 
 	T(("coming back from shell mode"));
 	NCURSES_SP_NAME(reset_prog_mode) (NCURSES_SP_ARG);
@@ -736,7 +807,7 @@ TINFO_DOUPDATE(NCURSES_SP_DCL0)
 	NCURSES_SP_NAME(_nc_screen_resume) (NCURSES_SP_ARG);
 	SP_PARM->_mouse_resume(SP_PARM);
 
-	SP_PARM->_endwin = FALSE;
+	SP_PARM->_endwin = ewRunning;
     }
 #if USE_TRACE_TIMES
     /* zero the metering machinery */
@@ -1004,6 +1075,7 @@ TINFO_DOUPDATE(NCURSES_SP_DCL0)
 
     _nc_signal_handler(TRUE);
 
+    _nc_unlock_global(update);
     returnCode(OK);
 }
 
@@ -1075,10 +1147,10 @@ ClrUpdate(NCURSES_SP_DCL0)
 static void
 ClrToEOL(NCURSES_SP_DCLx NCURSES_CH_T blank, int needclear)
 {
-    int j;
-
     if (CurScreen(SP_PARM) != 0
 	&& SP_PARM->_cursrow >= 0) {
+	int j;
+
 	for (j = SP_PARM->_curscol; j < screen_columns(SP_PARM); j++) {
 	    if (j >= 0) {
 		NCURSES_CH_T *cp =
@@ -1149,16 +1221,17 @@ ClrToEOS(NCURSES_SP_DCLx NCURSES_CH_T blank)
 static int
 ClrBottom(NCURSES_SP_DCLx int total)
 {
-    int row;
-    int col;
     int top = total;
     int last = min(screen_columns(SP_PARM), NewScreen(SP_PARM)->_maxx + 1);
     NCURSES_CH_T blank = NewScreen(SP_PARM)->_line[total - 1].text[last - 1];
-    bool ok;
 
     if (clr_eos && can_clear_with(NCURSES_SP_ARGx CHREF(blank))) {
+	int row;
 
 	for (row = total - 1; row >= 0; row--) {
+	    int col;
+	    bool ok;
+
 	    for (col = 0, ok = TRUE; ok && col < last; col++) {
 		ok = (CharEq(NewScreen(SP_PARM)->_line[row].text[col], blank));
 	    }
@@ -1249,8 +1322,8 @@ TransformLine(NCURSES_SP_DCLx int const lineno)
 		    && unColor(oldLine[n]) == unColor(newLine[n])) {
 		    if (oldPair < SP_PARM->_pair_limit
 			&& newPair < SP_PARM->_pair_limit
-			&& (SP_PARM->_color_pairs[oldPair] ==
-			    SP_PARM->_color_pairs[newPair])) {
+			&& (isSamePair(SP_PARM->_color_pairs[oldPair],
+				       SP_PARM->_color_pairs[newPair]))) {
 			SetPair(oldLine[n], GetPair(newLine[n]));
 		    }
 		}
@@ -1486,9 +1559,17 @@ TransformLine(NCURSES_SP_DCLx int const lineno)
 	    if (oLastChar < nLastChar) {
 		int m = max(nLastNonblank, oLastNonblank);
 #if USE_WIDEC_SUPPORT
-		while (isWidecExt(newLine[n + 1]) && n) {
-		    --n;
-		    --oLastChar;
+		if (n) {
+		    while (isWidecExt(newLine[n + 1]) && n) {
+			--n;
+			--oLastChar;	/* increase cost */
+		    }
+		} else if (n >= firstChar &&
+			   isWidecBase(newLine[n])) {
+		    while (isWidecExt(newLine[n + 1])) {
+			++n;
+			++oLastChar;	/* decrease cost */
+		    }
 		}
 #endif
 		GoTo(NCURSES_SP_ARGx lineno, n + 1);
@@ -1508,8 +1589,9 @@ TransformLine(NCURSES_SP_DCLx int const lineno)
 		if (DelCharCost(SP_PARM, oLastChar - nLastChar)
 		    > SP_PARM->_el_cost + nLastNonblank - (n + 1)) {
 		    if (PutRange(NCURSES_SP_ARGx oldLine, newLine, lineno,
-				 n + 1, nLastNonblank))
-			  GoTo(NCURSES_SP_ARGx lineno, nLastNonblank + 1);
+				 n + 1, nLastNonblank)) {
+			GoTo(NCURSES_SP_ARGx lineno, nLastNonblank + 1);
+		    }
 		    ClrToEOL(NCURSES_SP_ARGx blank, FALSE);
 		} else {
 		    /*
@@ -1570,7 +1652,7 @@ ClearScreen(NCURSES_SP_DCLx NCURSES_CH_T blank)
 	    UpdateAttrs(SP_PARM, blank);
 	    NCURSES_PUTP2("clear_screen", clear_screen);
 	    SP_PARM->_cursrow = SP_PARM->_curscol = 0;
-	    position_check(SP_PARM,
+	    position_check(NCURSES_SP_ARGx
 			   SP_PARM->_cursrow,
 			   SP_PARM->_curscol,
 			   "ClearScreen");
@@ -1631,16 +1713,16 @@ InsStr(NCURSES_SP_DCLx NCURSES_CH_T * line, int count)
 	TPUTS_TRACE("parm_ich");
 	NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
 				TPARM_1(parm_ich, count),
-				count,
+				1,
 				NCURSES_SP_NAME(_nc_outch));
-	while (count) {
+	while (count > 0) {
 	    PutAttrChar(NCURSES_SP_ARGx CHREF(*line));
 	    line++;
 	    count--;
 	}
     } else if (enter_insert_mode && exit_insert_mode) {
 	NCURSES_PUTP2("enter_insert_mode", enter_insert_mode);
-	while (count) {
+	while (count > 0) {
 	    PutAttrChar(NCURSES_SP_ARGx CHREF(*line));
 	    if (insert_padding) {
 		NCURSES_PUTP2("insert_padding", insert_padding);
@@ -1650,7 +1732,7 @@ InsStr(NCURSES_SP_DCLx NCURSES_CH_T * line, int count)
 	}
 	NCURSES_PUTP2("exit_insert_mode", exit_insert_mode);
     } else {
-	while (count) {
+	while (count > 0) {
 	    NCURSES_PUTP2("insert_character", insert_character);
 	    PutAttrChar(NCURSES_SP_ARGx CHREF(*line));
 	    if (insert_padding) {
@@ -1660,7 +1742,9 @@ InsStr(NCURSES_SP_DCLx NCURSES_CH_T * line, int count)
 	    count--;
 	}
     }
-    position_check(SP_PARM, SP_PARM->_cursrow, SP_PARM->_curscol, "InsStr");
+    position_check(NCURSES_SP_ARGx
+		   SP_PARM->_cursrow,
+		   SP_PARM->_curscol, "InsStr");
 }
 
 /*
@@ -1673,8 +1757,6 @@ InsStr(NCURSES_SP_DCLx NCURSES_CH_T * line, int count)
 static void
 DelChar(NCURSES_SP_DCLx int count)
 {
-    int n;
-
     TR(TRACE_UPDATE, ("DelChar(%p, %d) called, position = (%ld,%ld)",
 		      (void *) SP_PARM, count,
 		      (long) NewScreen(SP_PARM)->_cury,
@@ -1684,9 +1766,11 @@ DelChar(NCURSES_SP_DCLx int count)
 	TPUTS_TRACE("parm_dch");
 	NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx
 				TPARM_1(parm_dch, count),
-				count,
+				1,
 				NCURSES_SP_NAME(_nc_outch));
     } else {
+	int n;
+
 	for (n = 0; n < count; n++) {
 	    NCURSES_PUTP2("delete_character", delete_character);
 	}
@@ -2065,16 +2149,16 @@ NCURSES_SP_NAME(_nc_screen_resume) (NCURSES_SP_DCL0)
 	NCURSES_SP_NAME(_nc_reset_colors) (NCURSES_SP_ARG);
 
     /* restore user-defined colors, if any */
-    if (SP_PARM->_color_defs < 0) {
+    if (SP_PARM->_color_defs < 0 && !SP_PARM->_direct_color.value) {
 	int n;
 	SP_PARM->_color_defs = -(SP_PARM->_color_defs);
 	for (n = 0; n < SP_PARM->_color_defs; ++n) {
 	    if (SP_PARM->_color_table[n].init) {
-		NCURSES_SP_NAME(init_color) (NCURSES_SP_ARGx
-					     (short) n,
-					     SP_PARM->_color_table[n].r,
-					     SP_PARM->_color_table[n].g,
-					     SP_PARM->_color_table[n].b);
+		_nc_init_color(SP_PARM,
+			       n,
+			       SP_PARM->_color_table[n].r,
+			       SP_PARM->_color_table[n].g,
+			       SP_PARM->_color_table[n].b);
 	    }
 	}
     }
diff --git a/ncurses/widechar/charable.c b/ncurses/widechar/charable.c
index 91ceb32ff738..104f59dd8560 100644
--- a/ncurses/widechar/charable.c
+++ b/ncurses/widechar/charable.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2003-2005,2008 Free Software Foundation, Inc.              *
+ * Copyright (c) 2003-2008,2018 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -32,7 +32,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: charable.c,v 1.5 2008/07/05 20:51:41 tom Exp $")
+MODULE_ID("$Id: charable.c,v 1.7 2018/06/30 20:46:25 tom Exp $")
 
 NCURSES_EXPORT(bool) _nc_is_charable(wchar_t ch)
 {
@@ -57,6 +57,8 @@ NCURSES_EXPORT(int) _nc_to_char(wint_t ch)
 	result = UChar(temp[0]);
     else
 	result = -1;
+#else
+#error expected either wctob/wctomb
 #endif
     return result;
 }
@@ -75,6 +77,8 @@ NCURSES_EXPORT(wint_t) _nc_to_widechar(int ch)
 	result = convert;
     else
 	result = WEOF;
+#else
+#error expected either btowc/mbtowc
 #endif
     return result;
 }
diff --git a/ncurses/widechar/lib_add_wch.c b/ncurses/widechar/lib_add_wch.c
index 38d3130a54c4..c780466f72a9 100644
--- a/ncurses/widechar/lib_add_wch.c
+++ b/ncurses/widechar/lib_add_wch.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2004-2010,2011 Free Software Foundation, Inc.              *
+ * Copyright (c) 2004-2016,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -39,7 +39,7 @@
 #include <wctype.h>
 #endif
 
-MODULE_ID("$Id: lib_add_wch.c,v 1.12 2011/03/22 09:31:15 Petr.Pavlu Exp $")
+MODULE_ID("$Id: lib_add_wch.c,v 1.15 2019/05/04 20:31:31 tom Exp $")
 
 /* clone/adapt lib_addch.c */
 static const cchar_t blankchar = NewChar(BLANK_TEXT);
@@ -55,7 +55,7 @@ static const cchar_t blankchar = NewChar(BLANK_TEXT);
  */
 
 /* Return bit mask for clearing color pair number if given ch has color */
-#define COLOR_MASK(ch) (~(attr_t)((ch) & A_COLOR ? A_COLOR : 0))
+#define COLOR_MASK(ch) (~(attr_t)(((ch) & A_COLOR) ? A_COLOR : 0))
 
 static NCURSES_INLINE cchar_t
 render_char(WINDOW *win, cchar_t ch)
@@ -114,7 +114,7 @@ render_char(WINDOW *win, cchar_t ch)
 #endif
 
 static bool
-newline_forces_scroll(WINDOW *win, NCURSES_SIZE_T * ypos)
+newline_forces_scroll(WINDOW *win, NCURSES_SIZE_T *ypos)
 {
     bool result = FALSE;
 
@@ -195,7 +195,7 @@ wadd_wch_literal(WINDOW *win, cchar_t ch)
      * adjustments.
      */
     {
-	int len = wcwidth(CharOf(ch));
+	int len = _nc_wacs_width(CharOf(ch));
 	int i;
 	int j;
 	wchar_t *chars;
diff --git a/ncurses/widechar/lib_cchar.c b/ncurses/widechar/lib_cchar.c
index 654bebb46d36..58a3b9401420 100644
--- a/ncurses/widechar/lib_cchar.c
+++ b/ncurses/widechar/lib_cchar.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2001-2012,2014 Free Software Foundation, Inc.              *
+ * Copyright (c) 2001-2017,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -35,7 +35,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_cchar.c,v 1.27 2014/02/01 22:10:42 tom Exp $")
+MODULE_ID("$Id: lib_cchar.c,v 1.32 2019/05/04 20:46:24 tom Exp $")
 
 /* 
  * The SuSv2 description leaves some room for interpretation.  We'll assume wch
@@ -47,22 +47,25 @@ NCURSES_EXPORT(int)
 setcchar(cchar_t *wcval,
 	 const wchar_t *wch,
 	 const attr_t attrs,
-	 NCURSES_PAIRS_T color_pair,
+	 NCURSES_PAIRS_T pair_arg,
 	 const void *opts)
 {
-    unsigned i;
-    unsigned len;
     int code = OK;
+    int color_pair = pair_arg;
+    unsigned len;
 
     TR(TRACE_CCALLS, (T_CALLED("setcchar(%p,%s,%lu,%d,%p)"),
 		      (void *) wcval, _nc_viswbuf(wch),
-		      (unsigned long) attrs, (int) color_pair, opts));
+		      (unsigned long) attrs, color_pair, opts));
 
-    if (opts != NULL
-	|| wch == NULL
-	|| ((len = (unsigned) wcslen(wch)) > 1 && wcwidth(wch[0]) < 0)) {
+    set_extended_pair(opts, color_pair);
+    if (wch == NULL
+	|| ((len = (unsigned) wcslen(wch)) > 1 && _nc_wacs_width(wch[0]) < 0)
+	|| color_pair < 0) {
 	code = ERR;
     } else {
+	unsigned i;
+
 	if (len > CCHARW_MAX)
 	    len = CCHARW_MAX;
 
@@ -71,7 +74,7 @@ setcchar(cchar_t *wcval,
 	 * are only interested in adding non-spacing characters.
 	 */
 	for (i = 1; i < len; ++i) {
-	    if (wcwidth(wch[i]) != 0) {
+	    if (_nc_wacs_width(wch[i]) != 0) {
 		len = i;
 		break;
 	    }
@@ -96,21 +99,23 @@ NCURSES_EXPORT(int)
 getcchar(const cchar_t *wcval,
 	 wchar_t *wch,
 	 attr_t *attrs,
-	 NCURSES_PAIRS_T *color_pair,
+	 NCURSES_PAIRS_T *pair_arg,
 	 void *opts)
 {
-    wchar_t *wp;
-    int len;
     int code = ERR;
+    int color_pair;
 
     TR(TRACE_CCALLS, (T_CALLED("getcchar(%p,%p,%p,%p,%p)"),
 		      (const void *) wcval,
 		      (void *) wch,
 		      (void *) attrs,
-		      (void *) color_pair,
+		      (void *) pair_arg,
 		      opts));
 
     if (opts == NULL && wcval != NULL) {
+	wchar_t *wp;
+	int len;
+
 	len = ((wp = wmemchr(wcval->chars, L'\0', (size_t) CCHARW_MAX))
 	       ? (int) (wp - wcval->chars)
 	       : CCHARW_MAX);
@@ -121,14 +126,17 @@ getcchar(const cchar_t *wcval,
 	     * If the value is not a null, return the length plus 1 for null.
 	     */
 	    code = (len < CCHARW_MAX) ? (len + 1) : CCHARW_MAX;
-	} else if (attrs == 0 || color_pair == 0) {
+	} else if (attrs == 0 || pair_arg == 0) {
 	    code = ERR;
 	} else if (len >= 0) {
 	    *attrs = AttrOf(*wcval) & A_ATTRIBUTES;
-	    *color_pair = (NCURSES_PAIRS_T) GetPair(*wcval);
+	    color_pair = GetPair(*wcval);
+	    get_extended_pair(opts, color_pair);
+	    *pair_arg = limit_PAIRS(color_pair);
 	    wmemcpy(wch, wcval->chars, (size_t) len);
 	    wch[len] = L'\0';
-	    code = OK;
+	    if (*pair_arg >= 0)
+		code = OK;
 	}
     }
 
diff --git a/ncurses/widechar/lib_get_wch.c b/ncurses/widechar/lib_get_wch.c
index 71d560367d73..689101732fde 100644
--- a/ncurses/widechar/lib_get_wch.c
+++ b/ncurses/widechar/lib_get_wch.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2002-2010,2011 Free Software Foundation, Inc.              *
+ * Copyright (c) 2002-2011,2016 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -40,16 +40,13 @@
 #include <curses.priv.h>
 #include <ctype.h>
 
-MODULE_ID("$Id: lib_get_wch.c,v 1.23 2011/05/28 23:00:29 tom Exp $")
+MODULE_ID("$Id: lib_get_wch.c,v 1.24 2016/05/28 23:36:34 tom Exp $")
 
 NCURSES_EXPORT(int)
 wget_wch(WINDOW *win, wint_t *result)
 {
     SCREEN *sp;
     int code;
-    char buffer[(MB_LEN_MAX * 9) + 1];	/* allow some redundant shifts */
-    int status;
-    size_t count = 0;
     int value = 0;
     wchar_t wch;
 #ifndef state_unused
@@ -64,8 +61,13 @@ wget_wch(WINDOW *win, wint_t *result)
      */
     _nc_lock_global(curses);
     sp = _nc_screen_of(win);
+
     if (sp != 0) {
+	size_t count = 0;
+
 	for (;;) {
+	    char buffer[(MB_LEN_MAX * 9) + 1];	/* allow some redundant shifts */
+
 	    T(("reading %d of %d", (int) count + 1, (int) sizeof(buffer)));
 	    code = _nc_wgetch(win, &value, TRUE EVENTLIST_2nd((_nc_eventlist
 							       *) 0));
@@ -89,6 +91,8 @@ wget_wch(WINDOW *win, wint_t *result)
 		code = ERR;
 		break;
 	    } else {
+		int status;
+
 		buffer[count++] = (char) UChar(value);
 		reset_mbytes(state);
 		status = count_mbytes(buffer, count, state);
diff --git a/ncurses/widechar/lib_get_wstr.c b/ncurses/widechar/lib_get_wstr.c
index 27cdae0c1fd8..ce88023d1423 100644
--- a/ncurses/widechar/lib_get_wstr.c
+++ b/ncurses/widechar/lib_get_wstr.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2002-2009,2011 Free Software Foundation, Inc.              *
+ * Copyright (c) 2002-2011,2018 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -39,7 +39,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_get_wstr.c,v 1.13 2011/10/22 16:31:35 tom Exp $")
+MODULE_ID("$Id: lib_get_wstr.c,v 1.15 2018/09/01 20:13:00 tom Exp $")
 
 static int
 wadd_wint(WINDOW *win, wint_t *src)
@@ -100,6 +100,8 @@ wgetn_wstr(WINDOW *win, wint_t *str, int maxlen)
     if (!win)
 	returnCode(ERR);
 
+    maxlen = _nc_getstr_limit(maxlen);
+
     _nc_get_tty_mode(&buf);
 
     oldnl = sp->_nl;
@@ -164,7 +166,7 @@ wgetn_wstr(WINDOW *win, wint_t *str, int maxlen)
 	    } else {
 		beep();
 	    }
-	} else if (maxlen >= 0 && tmpstr - oldstr >= maxlen) {
+	} else if (tmpstr - oldstr >= maxlen) {
 	    beep();
 	} else {
 	    *tmpstr++ = ch;
diff --git a/ncurses/widechar/lib_hline_set.c b/ncurses/widechar/lib_hline_set.c
index da92b834f1c3..26813ae8e49c 100644
--- a/ncurses/widechar/lib_hline_set.c
+++ b/ncurses/widechar/lib_hline_set.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2002-2009,2010 Free Software Foundation, Inc.              *
+ * Copyright (c) 2002-2010,2016 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -39,23 +39,21 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_hline_set.c,v 1.4 2010/12/19 01:45:03 tom Exp $")
+MODULE_ID("$Id: lib_hline_set.c,v 1.5 2016/05/28 23:36:34 tom Exp $")
 
 NCURSES_EXPORT(int)
 whline_set(WINDOW *win, const cchar_t *ch, int n)
 {
     int code = ERR;
-    int start;
-    int end;
 
     T((T_CALLED("whline_set(%p,%s,%d)"), (void *) win, _tracecchar_t(ch), n));
 
     if (win) {
 	struct ldat *line = &(win->_line[win->_cury]);
 	NCURSES_CH_T wch;
+	int start = win->_curx;
+	int end = start + n - 1;
 
-	start = win->_curx;
-	end = start + n - 1;
 	if (end > win->_maxx)
 	    end = win->_maxx;
 
diff --git a/ncurses/widechar/lib_in_wch.c b/ncurses/widechar/lib_in_wch.c
index b2396508ba25..a665145c6b98 100644
--- a/ncurses/widechar/lib_in_wch.c
+++ b/ncurses/widechar/lib_in_wch.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2002-2006,2009 Free Software Foundation, Inc.              *
+ * Copyright (c) 2002-2009,2016 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -39,17 +39,19 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_in_wch.c,v 1.5 2009/10/24 22:37:55 tom Exp $")
+MODULE_ID("$Id: lib_in_wch.c,v 1.6 2016/05/28 23:36:34 tom Exp $")
 
 NCURSES_EXPORT(int)
 win_wch(WINDOW *win, cchar_t *wcval)
 {
-    int row, col;
     int code = OK;
 
     TR(TRACE_CCALLS, (T_CALLED("win_wch(%p,%p)"), (void *) win, (void *) wcval));
+
     if (win != 0
 	&& wcval != 0) {
+	int row, col;
+
 	getyx(win, row, col);
 
 	*wcval = win->_line[row].text[col];
diff --git a/ncurses/widechar/lib_ins_wch.c b/ncurses/widechar/lib_ins_wch.c
index 2aa71a506639..12dc19c2a7ee 100644
--- a/ncurses/widechar/lib_ins_wch.c
+++ b/ncurses/widechar/lib_ins_wch.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2002-2010,2011 Free Software Foundation, Inc.              *
+ * Copyright (c) 2002-2017,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -39,7 +39,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_ins_wch.c,v 1.17 2011/10/22 16:34:50 tom Exp $")
+MODULE_ID("$Id: lib_ins_wch.c,v 1.23 2019/05/04 20:46:24 tom Exp $")
 
 /*
  * Insert the given character, updating the current location to simplify
@@ -48,8 +48,7 @@ MODULE_ID("$Id: lib_ins_wch.c,v 1.17 2011/10/22 16:34:50 tom Exp $")
 NCURSES_EXPORT(int)
 _nc_insert_wch(WINDOW *win, const cchar_t *wch)
 {
-    int cells = wcwidth(CharOf(CHDEREF(wch)));
-    int cell;
+    int cells = _nc_wacs_width(CharOf(CHDEREF(wch)));
     int code = OK;
 
     if (cells < 0) {
@@ -59,6 +58,7 @@ _nc_insert_wch(WINDOW *win, const cchar_t *wch)
 	    cells = 1;
 
 	if (win->_curx <= win->_maxx) {
+	    int cell;
 	    struct ldat *line = &(win->_line[win->_cury]);
 	    NCURSES_CH_T *end = &(line->text[win->_curx]);
 	    NCURSES_CH_T *temp1 = &(line->text[win->_maxx]);
@@ -73,7 +73,7 @@ _nc_insert_wch(WINDOW *win, const cchar_t *wch)
 		SetWidecExt(temp1[cell], cell);
 	    }
 
-	    win->_curx++;
+	    win->_curx = (NCURSES_SIZE_T) (win->_curx + cells);
 	}
     }
     return code;
@@ -82,15 +82,13 @@ _nc_insert_wch(WINDOW *win, const cchar_t *wch)
 NCURSES_EXPORT(int)
 wins_wch(WINDOW *win, const cchar_t *wch)
 {
-    NCURSES_SIZE_T oy;
-    NCURSES_SIZE_T ox;
     int code = ERR;
 
     T((T_CALLED("wins_wch(%p, %s)"), (void *) win, _tracecchar_t(wch)));
 
     if (win != 0) {
-	oy = win->_cury;
-	ox = win->_curx;
+	NCURSES_SIZE_T oy = win->_cury;
+	NCURSES_SIZE_T ox = win->_curx;
 
 	code = _nc_insert_wch(win, wch);
 
@@ -105,9 +103,6 @@ NCURSES_EXPORT(int)
 wins_nwstr(WINDOW *win, const wchar_t *wstr, int n)
 {
     int code = ERR;
-    NCURSES_SIZE_T oy;
-    NCURSES_SIZE_T ox;
-    const wchar_t *cp;
 
     T((T_CALLED("wins_nwstr(%p,%s,%d)"),
        (void *) win, _nc_viswbufn(wstr, n), n));
@@ -117,13 +112,15 @@ wins_nwstr(WINDOW *win, const wchar_t *wstr, int n)
 	if (n < 1)
 	    n = (int) wcslen(wstr);
 	code = OK;
+
 	if (n > 0) {
+	    const wchar_t *cp;
 	    SCREEN *sp = _nc_screen_of(win);
+	    NCURSES_SIZE_T oy = win->_cury;
+	    NCURSES_SIZE_T ox = win->_curx;
 
-	    oy = win->_cury;
-	    ox = win->_curx;
-	    for (cp = wstr; *cp && ((cp - wstr) < n); cp++) {
-		int len = wcwidth(*cp);
+	    for (cp = wstr; ((cp - wstr) < n) && *cp; cp++) {
+		int len = _nc_wacs_width(*cp);
 
 		if ((len >= 0 && len != 1) || !is7bits(*cp)) {
 		    cchar_t tmp_cchar;
diff --git a/ncurses/widechar/lib_inwstr.c b/ncurses/widechar/lib_inwstr.c
index a4f5b8ea2040..3443ec6cbcac 100644
--- a/ncurses/widechar/lib_inwstr.c
+++ b/ncurses/widechar/lib_inwstr.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2002-2009,2011 Free Software Foundation, Inc.              *
+ * Copyright (c) 2002-2016,2017 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -39,31 +39,39 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_inwstr.c,v 1.6 2011/05/28 22:49:49 tom Exp $")
+MODULE_ID("$Id: lib_inwstr.c,v 1.8 2017/10/29 00:03:29 tom Exp $")
 
 NCURSES_EXPORT(int)
 winnwstr(WINDOW *win, wchar_t *wstr, int n)
 {
-    int row, col, inx;
     int count = 0;
-    int last = 0;
     cchar_t *text;
-    wchar_t wch;
 
     T((T_CALLED("winnwstr(%p,%p,%d)"), (void *) win, (void *) wstr, n));
     if (wstr != 0) {
 	if (win) {
+	    int row, col;
+	    int last = 0;
+	    bool done = FALSE;
+
 	    getyx(win, row, col);
 
 	    text = win->_line[row].text;
-	    while (count < n && count != ERR) {
+	    while (count < n && !done && count != ERR) {
+
 		if (!isWidecExt(text[col])) {
+		    int inx;
+		    wchar_t wch;
+
 		    for (inx = 0; (inx < CCHARW_MAX)
 			 && ((wch = text[col].chars[inx]) != 0);
 			 ++inx) {
 			if (count + 1 > n) {
-			    if ((count = last) == 0) {
+			    done = TRUE;
+			    if (last == 0) {
 				count = ERR;	/* error if we store nothing */
+			    } else {
+				count = last;	/* only store complete chars */
 			    }
 			    break;
 			}
diff --git a/ncurses/widechar/lib_key_name.c b/ncurses/widechar/lib_key_name.c
index da65f219c266..daf4ab022ae9 100644
--- a/ncurses/widechar/lib_key_name.c
+++ b/ncurses/widechar/lib_key_name.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2007 Free Software Foundation, Inc.                        *
+ * Copyright (c) 2007,2017 Free Software Foundation, Inc.                   *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -35,7 +35,9 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_key_name.c,v 1.3 2008/10/11 20:15:14 tom Exp $")
+MODULE_ID("$Id: lib_key_name.c,v 1.4 2017/01/07 19:50:17 tom Exp $")
+
+#define MyData _nc_globals.key_name
 
 NCURSES_EXPORT(NCURSES_CONST char *)
 key_name(wchar_t c)
@@ -44,19 +46,16 @@ key_name(wchar_t c)
     wchar_t *my_wchars;
     size_t len;
 
-    /* FIXME: move to _nc_globals */
-    static char result[MB_LEN_MAX + 1];
-
     memset(&my_cchar, 0, sizeof(my_cchar));
     my_cchar.chars[0] = c;
     my_cchar.chars[1] = L'\0';
 
     my_wchars = wunctrl(&my_cchar);
-    len = wcstombs(result, my_wchars, sizeof(result) - 1);
+    len = wcstombs(MyData, my_wchars, sizeof(MyData) - 1);
     if (isEILSEQ(len) || (len == 0)) {
 	return 0;
     }
 
-    result[len] = '\0';
-    return result;
+    MyData[len] = '\0';
+    return MyData;
 }
diff --git a/ncurses/widechar/lib_slk_wset.c b/ncurses/widechar/lib_slk_wset.c
index 89275567557b..d3a148b13942 100644
--- a/ncurses/widechar/lib_slk_wset.c
+++ b/ncurses/widechar/lib_slk_wset.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2003-2002,2011 Free Software Foundation, Inc.              *
+ * Copyright (c) 2003-2011,2016 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -40,23 +40,26 @@
 #include <wctype.h>
 #endif
 
-MODULE_ID("$Id: lib_slk_wset.c,v 1.13 2011/10/22 15:52:20 tom Exp $")
+MODULE_ID("$Id: lib_slk_wset.c,v 1.14 2016/05/28 23:36:34 tom Exp $")
 
 NCURSES_EXPORT(int)
 slk_wset(int i, const wchar_t *astr, int format)
 {
     int result = ERR;
-    size_t arglen;
     const wchar_t *str;
-    char *mystr;
     mbstate_t state;
 
     T((T_CALLED("slk_wset(%d, %s, %d)"), i, _nc_viswbuf(astr), format));
 
     if (astr != 0) {
+	size_t arglen;
+
 	init_mb(state);
 	str = astr;
+
 	if ((arglen = wcsrtombs(NULL, &str, (size_t) 0, &state)) != (size_t) -1) {
+	    char *mystr;
+
 	    if ((mystr = (char *) _nc_doalloc(0, arglen + 1)) != 0) {
 		str = astr;
 		if (wcsrtombs(mystr, &str, arglen, &state) != (size_t) -1) {
diff --git a/ncurses/widechar/lib_unget_wch.c b/ncurses/widechar/lib_unget_wch.c
index d5ae608e36ed..6a2346d570a3 100644
--- a/ncurses/widechar/lib_unget_wch.c
+++ b/ncurses/widechar/lib_unget_wch.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2002-2010,2011 Free Software Foundation, Inc.              *
+ * Copyright (c) 2002-2011,2016 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -39,7 +39,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_unget_wch.c,v 1.15 2011/10/22 16:34:50 tom Exp $")
+MODULE_ID("$Id: lib_unget_wch.c,v 1.16 2016/05/28 23:36:34 tom Exp $")
 
 /*
  * Wrapper for wcrtomb() which obtains the length needed for the given
@@ -70,7 +70,6 @@ NCURSES_SP_NAME(unget_wch) (NCURSES_SP_DCLx const wchar_t wch)
     int result = OK;
     mbstate_t state;
     size_t length;
-    int n;
 
     T((T_CALLED("unget_wch(%p, %#lx)"), (void *) SP_PARM, (unsigned long) wch));
 
@@ -82,6 +81,8 @@ NCURSES_SP_NAME(unget_wch) (NCURSES_SP_DCLx const wchar_t wch)
 	char *string;
 
 	if ((string = (char *) malloc(length)) != 0) {
+	    int n;
+
 	    init_mb(state);
 	    /* ignore the result, since we already validated the character */
 	    IGNORE_RC((int) wcrtomb(string, wch, &state));
diff --git a/ncurses/widechar/lib_vid_attr.c b/ncurses/widechar/lib_vid_attr.c
index 0be2b195c3d2..b0dfb6be9f82 100644
--- a/ncurses/widechar/lib_vid_attr.c
+++ b/ncurses/widechar/lib_vid_attr.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2002-2013,2014 Free Software Foundation, Inc.              *
+ * Copyright (c) 2002-2018,2019 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -36,27 +36,34 @@
 #define CUR SP_TERMTYPE
 #endif
 
-MODULE_ID("$Id: lib_vid_attr.c,v 1.22 2014/02/01 22:09:27 tom Exp $")
+MODULE_ID("$Id: lib_vid_attr.c,v 1.27 2019/04/13 22:40:48 tom Exp $")
 
 #define doPut(mode) \
 	TPUTS_TRACE(#mode); \
 	NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx mode, 1, outc)
 
 #define TurnOn(mask, mode) \
-	if ((turn_on & mask) && mode) { doPut(mode); }
+	if ((turn_on & mask) && mode) { \
+	    TPUTS_TRACE(#mode); \
+	    NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx mode, 1, outc); \
+	}
 
 #define TurnOff(mask, mode) \
-	if ((turn_off & mask) && mode) { doPut(mode); turn_off &= ~mask; }
+	if ((turn_off & mask) && mode) { \
+	    TPUTS_TRACE(#mode); \
+	    NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx mode, 1, outc); \
+	    turn_off &= ~mask; \
+	}
 
 	/* if there is no current screen, assume we *can* do color */
 #define SetColorsIf(why, old_attr, old_pair) \
 	if (can_color && (why)) { \
-		TR(TRACE_ATTRS, ("old pair = %d -- new pair = %d", old_pair, pair)); \
-		if ((pair != old_pair) \
-		 || (fix_pair0 && (pair == 0)) \
+		TR(TRACE_ATTRS, ("old pair = %d -- new pair = %d", old_pair, color_pair)); \
+		if ((color_pair != old_pair) \
+		 || (fix_pair0 && (color_pair == 0)) \
 		 || (reverse ^ ((old_attr & A_REVERSE) != 0))) { \
 		    NCURSES_SP_NAME(_nc_do_color) (NCURSES_SP_ARGx \
-						   old_pair, pair, \
+						   old_pair, color_pair, \
 						   reverse, outc); \
 		} \
 	}
@@ -68,10 +75,11 @@ MODULE_ID("$Id: lib_vid_attr.c,v 1.22 2014/02/01 22:09:27 tom Exp $")
 NCURSES_EXPORT(int)
 NCURSES_SP_NAME(vid_puts) (NCURSES_SP_DCLx
 			   attr_t newmode,
-			   NCURSES_PAIRS_T pair,
-			   void *opts GCC_UNUSED,
+			   NCURSES_PAIRS_T pair_arg,
+			   void *opts OPTIONAL_PAIR,
 			   NCURSES_SP_OUTC outc)
 {
+    int color_pair = pair_arg;
 #if NCURSES_EXT_COLORS
     static attr_t previous_attr = A_NORMAL;
     static int previous_pair = 0;
@@ -85,8 +93,12 @@ NCURSES_SP_NAME(vid_puts) (NCURSES_SP_DCLx
 #define fix_pair0 FALSE
 #endif
 
+    if (!IsValidTIScreen(SP_PARM))
+	returnCode(ERR);
+
     newmode &= A_ATTRIBUTES;
-    T((T_CALLED("vid_puts(%s,%d)"), _traceattr(newmode), pair));
+    set_extended_pair(opts, color_pair);
+    T((T_CALLED("vid_puts(%s,%d)"), _traceattr(newmode), color_pair));
 
     /* this allows us to go on whether or not newterm() has been called */
     if (SP_PARM) {
@@ -107,7 +119,7 @@ NCURSES_SP_NAME(vid_puts) (NCURSES_SP_DCLx
      * If we have a terminal that cannot combine color with video
      * attributes, use the colors in preference.
      */
-    if ((pair != 0
+    if ((color_pair != 0
 	 || fix_pair0)
 	&& (no_color_video > 0)) {
 	/*
@@ -136,7 +148,7 @@ NCURSES_SP_NAME(vid_puts) (NCURSES_SP_DCLx
     }
 
     if (newmode == previous_attr
-	&& pair == previous_pair)
+	&& color_pair == previous_pair)
 	returnCode(OK);
 
     if (reverse) {
@@ -144,9 +156,9 @@ NCURSES_SP_NAME(vid_puts) (NCURSES_SP_DCLx
     }
 
     turn_off = (~newmode & previous_attr) & ALL_BUT_COLOR;
-    turn_on = (newmode & ~previous_attr) & ALL_BUT_COLOR;
+    turn_on = (newmode & ~(previous_attr & TPARM_ATTR)) & ALL_BUT_COLOR;
 
-    SetColorsIf(((pair == 0) && !fix_pair0), previous_attr, previous_pair);
+    SetColorsIf(((color_pair == 0) && !fix_pair0), previous_attr, previous_pair);
 
     if (newmode == A_NORMAL) {
 	if ((previous_attr & A_ALTCHARSET) && exit_alt_charset_mode) {
@@ -173,7 +185,7 @@ NCURSES_SP_NAME(vid_puts) (NCURSES_SP_DCLx
 	    previous_pair = 0;
 	}
 
-	SetColorsIf((pair != 0) || fix_pair0, previous_attr, previous_pair);
+	SetColorsIf((color_pair != 0) || fix_pair0, previous_attr, previous_pair);
     } else if (set_attributes) {
 	if (turn_on || turn_off) {
 	    TPUTS_TRACE("set_attributes");
@@ -201,7 +213,7 @@ NCURSES_SP_NAME(vid_puts) (NCURSES_SP_DCLx
 	    }
 	}
 #endif
-	SetColorsIf((pair != 0) || fix_pair0, previous_attr, previous_pair);
+	SetColorsIf((color_pair != 0) || fix_pair0, previous_attr, previous_pair);
     } else {
 
 	TR(TRACE_ATTRS, ("turning %s off", _traceattr(turn_off)));
@@ -226,7 +238,7 @@ NCURSES_SP_NAME(vid_puts) (NCURSES_SP_DCLx
 	    previous_attr &= ALL_BUT_COLOR;
 	    previous_pair = 0;
 	}
-	SetColorsIf((pair != 0) || fix_pair0, previous_attr, previous_pair);
+	SetColorsIf((color_pair != 0) || fix_pair0, previous_attr, previous_pair);
 
 	TR(TRACE_ATTRS, ("turning %s on", _traceattr(turn_on)));
 	/* *INDENT-OFF* */
@@ -242,7 +254,7 @@ NCURSES_SP_NAME(vid_puts) (NCURSES_SP_DCLx
 #if USE_ITALIC
 	TurnOn(A_ITALIC,	enter_italics_mode);
 #endif
-#if USE_WIDEC_SUPPORT
+#if USE_WIDEC_SUPPORT && defined(enter_horizontal_hl_mode)
 	TurnOn(A_HORIZONTAL,	enter_horizontal_hl_mode);
 	TurnOn(A_LEFT,		enter_left_hl_mode);
 	TurnOn(A_LOW,		enter_low_hl_mode);
@@ -259,16 +271,17 @@ NCURSES_SP_NAME(vid_puts) (NCURSES_SP_DCLx
 
     if (SP_PARM) {
 	SetAttr(SCREEN_ATTRS(SP_PARM), newmode);
-	SetPair(SCREEN_ATTRS(SP_PARM), pair);
+	SetPair(SCREEN_ATTRS(SP_PARM), color_pair);
     } else {
 	previous_attr = newmode;
-	previous_pair = pair;
+	previous_pair = color_pair;
     }
 
     returnCode(OK);
 #else
-    T((T_CALLED("vid_puts(%s,%d)"), _traceattr(newmode), (int) pair));
-    set_color(newmode, pair);
+    T((T_CALLED("vid_puts(%s,%d)"), _traceattr(newmode), color_pair));
+    (void) opts;
+    set_color(newmode, color_pair);
     returnCode(NCURSES_SP_NAME(vidputs) (NCURSES_SP_ARGx newmode, outc));
 #endif
 }
@@ -276,14 +289,14 @@ NCURSES_SP_NAME(vid_puts) (NCURSES_SP_DCLx
 #if NCURSES_SP_FUNCS
 NCURSES_EXPORT(int)
 vid_puts(attr_t newmode,
-	 NCURSES_PAIRS_T pair,
+	 NCURSES_PAIRS_T pair_arg,
 	 void *opts GCC_UNUSED,
 	 NCURSES_OUTC outc)
 {
     SetSafeOutcWrapper(outc);
     return NCURSES_SP_NAME(vid_puts) (CURRENT_SCREEN,
 				      newmode,
-				      pair,
+				      pair_arg,
 				      opts,
 				      _nc_outc_wrapper);
 }
@@ -293,22 +306,22 @@ vid_puts(attr_t newmode,
 NCURSES_EXPORT(int)
 NCURSES_SP_NAME(vid_attr) (NCURSES_SP_DCLx
 			   attr_t newmode,
-			   NCURSES_PAIRS_T pair,
+			   NCURSES_PAIRS_T pair_arg,
 			   void *opts)
 {
-    T((T_CALLED("vid_attr(%s,%d)"), _traceattr(newmode), (int) pair));
+    T((T_CALLED("vid_attr(%s,%d)"), _traceattr(newmode), (int) pair_arg));
     returnCode(NCURSES_SP_NAME(vid_puts) (NCURSES_SP_ARGx
 					  newmode,
-					  pair,
+					  pair_arg,
 					  opts,
 					  NCURSES_SP_NAME(_nc_putchar)));
 }
 
 #if NCURSES_SP_FUNCS
 NCURSES_EXPORT(int)
-vid_attr(attr_t newmode, NCURSES_PAIRS_T pair, void *opts)
+vid_attr(attr_t newmode, NCURSES_PAIRS_T pair_arg, void *opts)
 {
-    return NCURSES_SP_NAME(vid_attr) (CURRENT_SCREEN, newmode, pair, opts);
+    return NCURSES_SP_NAME(vid_attr) (CURRENT_SCREEN, newmode, pair_arg, opts);
 }
 #endif
 
@@ -325,6 +338,7 @@ NCURSES_SP_NAME(term_attrs) (NCURSES_SP_DCL0)
     if (SP_PARM) {
 	attrs = NCURSES_SP_NAME(termattrs) (NCURSES_SP_ARG);
 
+#if USE_WIDEC_SUPPORT && defined(enter_horizontal_hl_mode)
 	/* these are only supported for wide-character mode */
 	if (enter_horizontal_hl_mode)
 	    attrs |= WA_HORIZONTAL;
@@ -338,6 +352,7 @@ NCURSES_SP_NAME(term_attrs) (NCURSES_SP_DCL0)
 	    attrs |= WA_TOP;
 	if (enter_vertical_hl_mode)
 	    attrs |= WA_VERTICAL;
+#endif
     }
 
     returnAttr(attrs);
diff --git a/ncurses/widechar/lib_vline_set.c b/ncurses/widechar/lib_vline_set.c
index 917caac44b44..585447aebcb2 100644
--- a/ncurses/widechar/lib_vline_set.c
+++ b/ncurses/widechar/lib_vline_set.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2002-2009,2010 Free Software Foundation, Inc.              *
+ * Copyright (c) 2002-2010,2016 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -39,22 +39,21 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_vline_set.c,v 1.4 2010/12/19 01:50:50 tom Exp $")
+MODULE_ID("$Id: lib_vline_set.c,v 1.5 2016/05/28 23:36:34 tom Exp $")
 
 NCURSES_EXPORT(int)
 wvline_set(WINDOW *win, const cchar_t *ch, int n)
 {
     int code = ERR;
-    int row, col;
-    int end;
 
     T((T_CALLED("wvline(%p,%s,%d)"), (void *) win, _tracecchar_t(ch), n));
 
     if (win) {
 	NCURSES_CH_T wch;
-	row = win->_cury;
-	col = win->_curx;
-	end = row + n - 1;
+	int row = win->_cury;
+	int col = win->_curx;
+	int end = row + n - 1;
+
 	if (end > win->_maxy)
 	    end = win->_maxy;
 
diff --git a/ncurses/widechar/lib_wacs.c b/ncurses/widechar/lib_wacs.c
index dc3af21e11b2..da5b93e5495a 100644
--- a/ncurses/widechar/lib_wacs.c
+++ b/ncurses/widechar/lib_wacs.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2002-2013,2014 Free Software Foundation, Inc.              *
+ * Copyright (c) 2002-2016,2018 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -32,7 +32,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_wacs.c,v 1.14 2014/02/23 01:21:08 tom Exp $")
+MODULE_ID("$Id: lib_wacs.c,v 1.19 2018/05/05 17:26:44 tom Exp $")
 
 NCURSES_EXPORT_VAR(cchar_t) * _nc_wacs = 0;
 
@@ -106,7 +106,6 @@ _nc_init_wacs(void)
     };
     /* *INDENT-ON* */
 
-    unsigned n, m;
     int active = _nc_unicode_locale();
 
     /*
@@ -120,9 +119,15 @@ _nc_init_wacs(void)
        active ? "" : " not"));
 
     if ((_nc_wacs = typeCalloc(cchar_t, ACS_LEN)) != 0) {
+	unsigned n;
 
 	for (n = 0; n < SIZEOF(table); ++n) {
+	    unsigned m;
+#if NCURSES_WCWIDTH_GRAPHICS
 	    int wide = wcwidth((wchar_t) table[n].value[active]);
+#else
+	    int wide = 1;
+#endif
 
 	    m = table[n].map;
 	    if (active && (wide == 1)) {
@@ -133,9 +138,9 @@ _nc_init_wacs(void)
 		SetChar(_nc_wacs[m], table[n].value[0], A_NORMAL);
 	    }
 
-	    T(("#%d, SetChar(%c, %#04x) = %s",
-	       n, m,
-	       table[n].value[active],
+	    T(("#%d, width:%d SetChar(%c, %s) = %s",
+	       n, wide, m,
+	       _tracechar(table[n].value[active]),
 	       _tracecchar_t(&_nc_wacs[m])));
 	}
     }
diff --git a/ncurses/widechar/widechars.c b/ncurses/widechar/widechars.c
index 6951e2863fa0..28c362aa628c 100644
--- a/ncurses/widechar/widechars.c
+++ b/ncurses/widechar/widechars.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2012,2013 Free Software Foundation, Inc.                   *
+ * Copyright (c) 2012-2013,2018 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -30,9 +30,9 @@
 
 #if USE_WIDEC_SUPPORT
 
-MODULE_ID("$Id: widechars.c,v 1.5 2013/03/02 18:55:51 tom Exp $")
+MODULE_ID("$Id: widechars.c,v 1.6 2018/06/24 00:06:37 tom Exp $")
 
-#if defined(__MINGW32__)
+#if defined(_WIN32)
 /*
  * MinGW has wide-character functions, but they do not work correctly.
  */
@@ -147,6 +147,6 @@ _nc_wctomb(char *s, wchar_t wc)
     return result;
 }
 
-#endif /* __MINGW32__ */
+#endif /* _WIN32 */
 
 #endif /* USE_WIDEC_SUPPORT */
diff --git a/ncurses/win32con/gettimeofday.c b/ncurses/win32con/gettimeofday.c
index e1ef3401de34..867041f885e4 100644
--- a/ncurses/win32con/gettimeofday.c
+++ b/ncurses/win32con/gettimeofday.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2008,2010 Free Software Foundation, Inc.                   *
+ * Copyright (c) 2008-2010,2014 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -26,13 +26,16 @@
  * authorization.                                                           *
  ****************************************************************************/
 
+#ifdef WINVER
+#  undef WINVER
+#endif
 #define WINVER 0x0501
 
 #include <curses.priv.h>
 
 #include <windows.h>
 
-MODULE_ID("$Id: gettimeofday.c,v 1.2 2010/01/16 15:18:51 tom Exp $")
+MODULE_ID("$Id: gettimeofday.c,v 1.3 2014/04/26 19:41:34 juergen Exp $")
 
 #define JAN1970 116444736000000000LL	/* the value for 01/01/1970 00:00 */
 
diff --git a/ncurses/win32con/win_driver.c b/ncurses/win32con/win_driver.c
index c664d92387cc..1b38f6a4bc06 100644
--- a/ncurses/win32con/win_driver.c
+++ b/ncurses/win32con/win_driver.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2013,2014 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2018,2020 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -28,31 +28,61 @@
 
 /****************************************************************************
  *  Author: Juergen Pfeifer                                                 *
+ *     and: Thomas E. Dickey                                                *
  ****************************************************************************/
 
 /*
  * TODO - GetMousePos(POINT * result) from ntconio.c
  * TODO - implement nodelay
- * TODO - when $NCGDB is set, implement non-buffered output, like PDCurses
+ * TODO - improve screen-repainting performance, using implied wraparound to reduce write's
+ * TODO - make it optional whether screen is restored or not when non-buffered
  */
 
 #include <curses.priv.h>
-#define CUR my_term.type.
 
-MODULE_ID("$Id: win_driver.c,v 1.24 2014/02/23 01:23:29 tom Exp $")
+#ifdef _WIN32
+#include <tchar.h>
+#else
+#include <windows.h>
+#include <wchar.h>
+#endif
+
+#include <io.h>
+
+#define PSAPI_VERSION 2
+#include <psapi.h>
+
+#define CUR TerminalType(my_term).
+
+MODULE_ID("$Id: win_driver.c,v 1.62 2020/01/18 17:02:38 tom Exp $")
+
+#ifndef __GNUC__
+#  error We need GCC to compile for MinGW
+#endif
 
 #define WINMAGIC NCDRV_MAGIC(NCDRV_WINCONSOLE)
 
 #define EXP_OPTIMIZE 0
 
-#define okConsoleHandle(TCB) (TCB != 0 && !InvalidConsoleHandle(TCB->hdl))
+#define array_length(a) (sizeof(a)/sizeof(a[0]))
+
+static bool InitConsole(void);
+static bool okConsoleHandle(TERMINAL_CONTROL_BLOCK *);
 
 #define AssertTCB() assert(TCB != 0 && (TCB->magic == WINMAGIC))
 #define SetSP()     assert(TCB->csp != 0); sp = TCB->csp; (void) sp
 
 #define GenMap(vKey,key) MAKELONG(key, vKey)
 
-#define AdjustY(p) ((p)->buffered ? 0 : (int) (p)->SBI.srWindow.Top)
+#define AdjustY() (CON.buffered ? 0 : (int) CON.SBI.srWindow.Top)
+
+#if USE_WIDEC_SUPPORT
+#define write_screen WriteConsoleOutputW
+#define read_screen  ReadConsoleOutputW
+#else
+#define write_screen WriteConsoleOutput
+#define read_screen  ReadConsoleOutput
+#endif
 
 static const LONG keylist[] =
 {
@@ -67,35 +97,54 @@ static const LONG keylist[] =
     GenMap(VK_DELETE, KEY_DC),
     GenMap(VK_INSERT, KEY_IC)
 };
-#define N_INI ((int)(sizeof(keylist)/sizeof(keylist[0])))
+static const LONG ansi_keys[] =
+{
+    GenMap(VK_PRIOR, 'I'),
+    GenMap(VK_NEXT, 'Q'),
+    GenMap(VK_END, 'O'),
+    GenMap(VK_HOME, 'H'),
+    GenMap(VK_LEFT, 'K'),
+    GenMap(VK_UP, 'H'),
+    GenMap(VK_RIGHT, 'M'),
+    GenMap(VK_DOWN, 'P'),
+    GenMap(VK_DELETE, 'S'),
+    GenMap(VK_INSERT, 'R')
+};
+#define N_INI ((int)array_length(keylist))
 #define FKEYS 24
 #define MAPSIZE (FKEYS + N_INI)
 #define NUMPAIRS 64
 
-typedef struct props {
-    CONSOLE_SCREEN_BUFFER_INFO SBI;
-    bool progMode;
-    TERM_HANDLE lastOut;
+/*   A process can only have a single console, so it's safe
+     to maintain all the information about it in a single
+     static structure.
+ */
+static struct {
+    BOOL initialized;
+    BOOL buffered;
+    BOOL window_only;
+    BOOL progMode;
+    BOOL isMinTTY;
+    BOOL isTermInfoConsole;
+    HANDLE out;
+    HANDLE inp;
+    HANDLE hdl;
+    HANDLE lastOut;
+    int numButtons;
+    DWORD ansi_map[MAPSIZE];
     DWORD map[MAPSIZE];
     DWORD rmap[MAPSIZE];
     WORD pairs[NUMPAIRS];
-    bool buffered;
     COORD origin;
     CHAR_INFO *save_screen;
-} Properties;
-
-#define PropOf(TCB) ((Properties*)TCB->prop)
+    COORD save_size;
+    SMALL_RECT save_region;
+    CONSOLE_SCREEN_BUFFER_INFO SBI;
+    CONSOLE_SCREEN_BUFFER_INFO save_SBI;
+    CONSOLE_CURSOR_INFO save_CI;
+} CON;
 
-int
-_nc_mingw_ioctl(int fd GCC_UNUSED,
-		long int request GCC_UNUSED,
-		struct termios *arg GCC_UNUSED)
-{
-    return 0;
-    endwin();
-    fprintf(stderr, "TERMINFO currently not supported on Windows.\n");
-    exit(1);
-}
+static BOOL console_initialized = FALSE;
 
 static WORD
 MapColor(bool fore, int color)
@@ -112,29 +161,32 @@ MapColor(bool fore, int color)
     return (WORD) a;
 }
 
+#define RevAttr(attr) \
+	       (WORD) (((attr) & 0xff00) | \
+		      ((((attr) & 0x07) << 4) | \
+		       (((attr) & 0x70) >> 4)))
+
 static WORD
-MapAttr(TERMINAL_CONTROL_BLOCK * TCB, WORD res, attr_t ch)
+MapAttr(WORD res, attr_t ch)
 {
     if (ch & A_COLOR) {
 	int p;
-	SCREEN *sp;
 
-	AssertTCB();
-	SetSP();
 	p = PairNumber(ch);
-	if (p > 0 && p < NUMPAIRS && TCB != 0 && sp != 0) {
+	if (p > 0 && p < NUMPAIRS) {
 	    WORD a;
-	    a = PropOf(TCB)->pairs[p];
-	    res = (res & 0xff00) | a;
+	    a = CON.pairs[p];
+	    res = (WORD) ((res & 0xff00) | a);
 	}
     }
 
-    if (ch & A_REVERSE)
-	res = ((res & 0xff00) | (((res & 0x07) << 4) | ((res & 0x70) >> 4)));
+    if (ch & A_REVERSE) {
+	res = RevAttr(res);
+    }
 
-    if (ch & A_STANDOUT)
-	res = ((res & 0xff00) | (((res & 0x07) << 4) | ((res & 0x70) >> 4))
-	       | BACKGROUND_INTENSITY);
+    if (ch & A_STANDOUT) {
+	res = RevAttr(res) | BACKGROUND_INTENSITY;
+    }
 
     if (ch & A_BOLD)
 	res |= FOREGROUND_INTENSITY;
@@ -145,12 +197,64 @@ MapAttr(TERMINAL_CONTROL_BLOCK * TCB, WORD res, attr_t ch)
     return res;
 }
 
+#if 0				/* def TRACE */
+static void
+dump_screen(const char *fn, int ln)
+{
+    int max_cells = (CON.SBI.dwSize.Y * (1 + CON.SBI.dwSize.X)) + 1;
+    char output[max_cells];
+    CHAR_INFO save_screen[max_cells];
+    COORD save_size;
+    SMALL_RECT save_region;
+    COORD bufferCoord;
+
+    T(("dump_screen %s@%d", fn, ln));
+
+    save_region.Top = CON.SBI.srWindow.Top;
+    save_region.Left = CON.SBI.srWindow.Left;
+    save_region.Bottom = CON.SBI.srWindow.Bottom;
+    save_region.Right = CON.SBI.srWindow.Right;
+
+    save_size.X = (SHORT) (save_region.Right - save_region.Left + 1);
+    save_size.Y = (SHORT) (save_region.Bottom - save_region.Top + 1);
+
+    bufferCoord.X = bufferCoord.Y = 0;
+
+    if (read_screen(CON.hdl,
+		    save_screen,
+		    save_size,
+		    bufferCoord,
+		    &save_region)) {
+	int i, j;
+	int ij = 0;
+	int k = 0;
+
+	for (i = save_region.Top; i <= save_region.Bottom; ++i) {
+	    for (j = save_region.Left; j <= save_region.Right; ++j) {
+		output[k++] = save_screen[ij++].Char.AsciiChar;
+	    }
+	    output[k++] = '\n';
+	}
+	output[k] = 0;
+
+	T(("DUMP: %d,%d - %d,%d",
+	   save_region.Top,
+	   save_region.Left,
+	   save_region.Bottom,
+	   save_region.Right));
+	T(("%s", output));
+    }
+}
+
+#else
+#define dump_screen(fn,ln)	/* nothing */
+#endif
+
 #if USE_WIDEC_SUPPORT
 /*
  * TODO: support surrogate pairs
  * TODO: support combining characters
  * TODO: support acsc
- * TODO: check wcwidth of base character, fill if needed for double-width
  * TODO: _nc_wacs should be part of sp.
  */
 static BOOL
@@ -163,10 +267,8 @@ con_write16(TERMINAL_CONTROL_BLOCK * TCB, int y, int x, cchar_t *str, int limit)
     int i;
     cchar_t ch;
     SCREEN *sp;
-    Properties *p = PropOf(TCB);
 
     AssertTCB();
-
     SetSP();
 
     for (i = actual = 0; i < limit; i++) {
@@ -174,8 +276,7 @@ con_write16(TERMINAL_CONTROL_BLOCK * TCB, int y, int x, cchar_t *str, int limit)
 	if (isWidecExt(ch))
 	    continue;
 	ci[actual].Char.UnicodeChar = CharOf(ch);
-	ci[actual].Attributes = MapAttr(TCB,
-					PropOf(TCB)->SBI.wAttributes,
+	ci[actual].Attributes = MapAttr(CON.SBI.wAttributes,
 					AttrOf(ch));
 	if (AttrOf(ch) & A_ALTCHARSET) {
 	    if (_nc_wacs) {
@@ -192,17 +293,17 @@ con_write16(TERMINAL_CONTROL_BLOCK * TCB, int y, int x, cchar_t *str, int limit)
 	++actual;
     }
 
-    loc.X = (short) 0;
-    loc.Y = (short) 0;
-    siz.X = (short) actual;
+    loc.X = (SHORT) 0;
+    loc.Y = (SHORT) 0;
+    siz.X = (SHORT) actual;
     siz.Y = 1;
 
-    rec.Left = (short) x;
-    rec.Top = (SHORT) (y + AdjustY(p));
-    rec.Right = (short) (x + limit - 1);
+    rec.Left = (SHORT) x;
+    rec.Top = (SHORT) (y + AdjustY());
+    rec.Right = (SHORT) (x + limit - 1);
     rec.Bottom = rec.Top;
 
-    return WriteConsoleOutputW(TCB->hdl, ci, siz, loc, &rec);
+    return write_screen(CON.hdl, ci, siz, loc, &rec);
 }
 #define con_write(tcb, y, x, str, n) con_write16(tcb, y, x, str, n)
 #else
@@ -217,14 +318,12 @@ con_write8(TERMINAL_CONTROL_BLOCK * TCB, int y, int x, chtype *str, int n)
     SCREEN *sp;
 
     AssertTCB();
-
     SetSP();
 
     for (i = 0; i < n; i++) {
 	ch = str[i];
 	ci[i].Char.AsciiChar = ChCharOf(ch);
-	ci[i].Attributes = MapAttr(TCB,
-				   PropOf(TCB)->SBI.wAttributes,
+	ci[i].Attributes = MapAttr(CON.SBI.wAttributes,
 				   ChAttrOf(ch));
 	if (ChAttrOf(ch) & A_ALTCHARSET) {
 	    if (sp->_acs_map)
@@ -243,7 +342,7 @@ con_write8(TERMINAL_CONTROL_BLOCK * TCB, int y, int x, chtype *str, int n)
     rec.Right = (short) (x + n - 1);
     rec.Bottom = rec.Top;
 
-    return WriteConsoleOutput(TCB->hdl, ci, siz, loc, &rec);
+    return write_screen(CON.hdl, ci, siz, loc, &rec);
 }
 #define con_write(tcb, y, x, str, n) con_write8(tcb, y, x, str, n)
 #endif
@@ -328,31 +427,85 @@ find_next_change(SCREEN *sp, int row, int col)
 		win->_line[row].lastchar  = _NOCHANGE
 
 static void
-selectActiveHandle(TERMINAL_CONTROL_BLOCK * TCB)
+selectActiveHandle(void)
 {
-    if (PropOf(TCB)->lastOut != TCB->hdl) {
-	PropOf(TCB)->lastOut = TCB->hdl;
-	SetConsoleActiveScreenBuffer(PropOf(TCB)->lastOut);
+    if (CON.lastOut != CON.hdl) {
+	CON.lastOut = CON.hdl;
+	SetConsoleActiveScreenBuffer(CON.lastOut);
     }
 }
 
+static bool
+restore_original_screen(void)
+{
+    COORD bufferCoord;
+    bool result = FALSE;
+    SMALL_RECT save_region = CON.save_region;
+
+    T(("... restoring %s", CON.window_only ? "window" : "entire buffer"));
+
+    bufferCoord.X = (SHORT) (CON.window_only ? CON.SBI.srWindow.Left : 0);
+    bufferCoord.Y = (SHORT) (CON.window_only ? CON.SBI.srWindow.Top : 0);
+
+    if (write_screen(CON.hdl,
+		     CON.save_screen,
+		     CON.save_size,
+		     bufferCoord,
+		     &save_region)) {
+	result = TRUE;
+	mvcur(-1, -1, LINES - 2, 0);
+	T(("... restore original screen contents ok %dx%d (%d,%d - %d,%d)",
+	   CON.save_size.Y,
+	   CON.save_size.X,
+	   save_region.Top,
+	   save_region.Left,
+	   save_region.Bottom,
+	   save_region.Right));
+    } else {
+	T(("... restore original screen contents err"));
+    }
+    return result;
+}
+
+static const char *
+wcon_name(TERMINAL_CONTROL_BLOCK * TCB)
+{
+    (void) TCB;
+    return "win32console";
+}
+
 static int
-drv_doupdate(TERMINAL_CONTROL_BLOCK * TCB)
+wcon_doupdate(TERMINAL_CONTROL_BLOCK * TCB)
 {
     int result = ERR;
     int y, nonempty, n, x0, x1, Width, Height;
     SCREEN *sp;
 
-    AssertTCB();
-    SetSP();
-
-    T((T_CALLED("win32con::drv_doupdate(%p)"), TCB));
+    T((T_CALLED("win32con::wcon_doupdate(%p)"), TCB));
     if (okConsoleHandle(TCB)) {
+	SetSP();
 
 	Width = screen_columns(sp);
 	Height = screen_lines(sp);
 	nonempty = min(Height, NewScreen(sp)->_maxy + 1);
 
+	T(("... %dx%d clear cur:%d new:%d",
+	   Height, Width,
+	   CurScreen(sp)->_clear,
+	   NewScreen(sp)->_clear));
+
+	if (SP_PARM->_endwin == ewSuspend) {
+
+	    T(("coming back from shell mode"));
+	    NCURSES_SP_NAME(reset_prog_mode) (NCURSES_SP_ARG);
+
+	    NCURSES_SP_NAME(_nc_mvcur_resume) (NCURSES_SP_ARG);
+	    NCURSES_SP_NAME(_nc_screen_resume) (NCURSES_SP_ARG);
+	    SP_PARM->_mouse_resume(SP_PARM);
+
+	    SP_PARM->_endwin = ewRunning;
+	}
+
 	if ((CurScreen(sp)->_clear || NewScreen(sp)->_clear)) {
 	    int x;
 #if USE_WIDEC_SUPPORT
@@ -380,6 +533,8 @@ drv_doupdate(TERMINAL_CONTROL_BLOCK * TCB)
 	    CurScreen(sp)->_clear = FALSE;
 	    NewScreen(sp)->_clear = FALSE;
 	    touchwin(NewScreen(sp));
+	    T(("... cleared %dx%d lines @%d of screen", nonempty, Width,
+	       AdjustY()));
 	}
 
 	for (y = 0; y < nonempty; y++) {
@@ -446,83 +601,127 @@ drv_doupdate(TERMINAL_CONTROL_BLOCK * TCB)
 	    CurScreen(sp)->_curx = NewScreen(sp)->_curx;
 	    CurScreen(sp)->_cury = NewScreen(sp)->_cury;
 
-	    TCB->drv->hwcur(TCB,
-			    0, 0,
-			    CurScreen(sp)->_cury, CurScreen(sp)->_curx);
+	    TCB->drv->td_hwcur(TCB,
+			       0, 0,
+			       CurScreen(sp)->_cury, CurScreen(sp)->_curx);
 	}
-	selectActiveHandle(TCB);
+	selectActiveHandle();
 	result = OK;
     }
     returnCode(result);
 }
 
 static bool
-drv_CanHandle(TERMINAL_CONTROL_BLOCK * TCB,
-	      const char *tname,
-	      int *errret GCC_UNUSED)
+wcon_CanHandle(TERMINAL_CONTROL_BLOCK * TCB,
+	       const char *tname,
+	       int *errret GCC_UNUSED)
 {
     bool code = FALSE;
 
-    T((T_CALLED("win32con::drv_CanHandle(%p)"), TCB));
+    T((T_CALLED("win32con::wcon_CanHandle(%p)"), TCB));
 
-    assert(TCB != 0);
-    assert(tname != 0);
+    assert((TCB != 0) && (tname != 0));
 
     TCB->magic = WINMAGIC;
-    if (*tname == 0 || *tname == 0 || *tname == '#') {
-	code = TRUE;
-    } else {
-	TERMINAL my_term;
-	int status;
 
-	code = FALSE;
-#if (NCURSES_USE_DATABASE || NCURSES_USE_TERMCAP)
-	status = _nc_setup_tinfo(tname, &my_term.type);
-#else
-	status = TGETENT_NO;
-#endif
-	if (status != TGETENT_YES) {
-	    const TERMTYPE *fallback = _nc_fallback(tname);
-
-	    if (fallback) {
-		my_term.type = *fallback;
-		status = TGETENT_YES;
-	    } else if (!strcmp(tname, "unknown")) {
-		code = TRUE;
-	    }
-	}
-	if (status == TGETENT_YES) {
-	    if (generic_type || hard_copy)
-		code = TRUE;
+    if (tname == 0 || *tname == 0)
+	code = TRUE;
+    else if (tname != 0 && *tname == '#') {
+	/*
+	 * Use "#" (a character which cannot begin a terminal's name) to
+	 * select specific driver from the table.
+	 *
+	 * In principle, we could have more than one non-terminfo driver,
+	 * e.g., "win32gui".
+	 */
+	size_t n = strlen(tname + 1);
+	if (n != 0
+	    && ((strncmp(tname + 1, "win32console", n) == 0)
+		|| (strncmp(tname + 1, "win32con", n) == 0))) {
+	    code = TRUE;
 	}
+    } else if (tname != 0 && stricmp(tname, "unknown") == 0) {
+	code = TRUE;
     }
 
-    if (code) {
-	if ((TCB->term.type.Booleans) == 0) {
-	    _nc_init_termtype(&(TCB->term.type));
-	}
+    /*
+     * This is intentional, to avoid unnecessary breakage of applications
+     * using <term.h> symbols.
+     */
+    if (code && (TerminalType(&TCB->term).Booleans == 0)) {
+	_nc_init_termtype(&TerminalType(&TCB->term));
+#if NCURSES_EXT_NUMBERS
+	_nc_export_termtype2(&TCB->term.type, &TerminalType(&TCB->term));
+#endif
     }
 
+    if (!code) {
+	if (_nc_mingw_isconsole(0))
+	    CON.isTermInfoConsole = TRUE;
+    }
     returnBool(code);
 }
 
 static int
-drv_dobeepflash(TERMINAL_CONTROL_BLOCK * TCB,
-		int beepFlag GCC_UNUSED)
+wcon_dobeepflash(TERMINAL_CONTROL_BLOCK * TCB,
+		 int beepFlag)
 {
     SCREEN *sp;
     int res = ERR;
 
-    AssertTCB();
-    SetSP();
+    int high = (CON.SBI.srWindow.Bottom - CON.SBI.srWindow.Top + 1);
+    int wide = (CON.SBI.srWindow.Right - CON.SBI.srWindow.Left + 1);
+    int max_cells = (high * wide);
+    int i;
+
+    CHAR_INFO this_screen[max_cells];
+    CHAR_INFO that_screen[max_cells];
+    COORD this_size;
+    SMALL_RECT this_region;
+    COORD bufferCoord;
 
+    if (okConsoleHandle(TCB)) {
+	SetSP();
+	this_region.Top = CON.SBI.srWindow.Top;
+	this_region.Left = CON.SBI.srWindow.Left;
+	this_region.Bottom = CON.SBI.srWindow.Bottom;
+	this_region.Right = CON.SBI.srWindow.Right;
+
+	this_size.X = (SHORT) wide;
+	this_size.Y = (SHORT) high;
+
+	bufferCoord.X = this_region.Left;
+	bufferCoord.Y = this_region.Top;
+
+	if (!beepFlag &&
+	    read_screen(CON.hdl,
+			this_screen,
+			this_size,
+			bufferCoord,
+			&this_region)) {
+
+	    memcpy(that_screen, this_screen, sizeof(that_screen));
+
+	    for (i = 0; i < max_cells; i++) {
+		that_screen[i].Attributes = RevAttr(that_screen[i].Attributes);
+	    }
+
+	    write_screen(CON.hdl, that_screen, this_size, bufferCoord, &this_region);
+	    Sleep(200);
+	    write_screen(CON.hdl, this_screen, this_size, bufferCoord, &this_region);
+
+	} else {
+	    MessageBeep(MB_ICONWARNING);	/* MB_OK might be better */
+	}
+	res = OK;
+    }
     return res;
 }
 
 static int
-drv_print(TERMINAL_CONTROL_BLOCK * TCB,
-	  char *data GCC_UNUSED,
-	  int len GCC_UNUSED)
+wcon_print(TERMINAL_CONTROL_BLOCK * TCB,
+	   char *data GCC_UNUSED,
+	   int len GCC_UNUSED)
 {
     SCREEN *sp;
 
@@ -533,9 +732,9 @@ drv_print(TERMINAL_CONTROL_BLOCK * TCB,
 }
 
 static int
-drv_defaultcolors(TERMINAL_CONTROL_BLOCK * TCB,
-		  int fg GCC_UNUSED,
-		  int bg GCC_UNUSED)
+wcon_defaultcolors(TERMINAL_CONTROL_BLOCK * TCB,
+		   int fg GCC_UNUSED,
+		   int bg GCC_UNUSED)
 {
     SCREEN *sp;
     int code = ERR;
@@ -547,32 +746,31 @@ drv_defaultcolors(TERMINAL_CONTROL_BLOCK * TCB,
 }
 
 static bool
-get_SBI(TERMINAL_CONTROL_BLOCK * TCB)
+get_SBI(void)
 {
     bool rc = FALSE;
-    Properties *p = PropOf(TCB);
-    if (GetConsoleScreenBufferInfo(TCB->hdl, &(p->SBI))) {
+    if (GetConsoleScreenBufferInfo(CON.hdl, &(CON.SBI))) {
 	T(("GetConsoleScreenBufferInfo"));
 	T(("... buffer(X:%d Y:%d)",
-	   p->SBI.dwSize.X,
-	   p->SBI.dwSize.Y));
+	   CON.SBI.dwSize.X,
+	   CON.SBI.dwSize.Y));
 	T(("... window(X:%d Y:%d)",
-	   p->SBI.dwMaximumWindowSize.X,
-	   p->SBI.dwMaximumWindowSize.Y));
+	   CON.SBI.dwMaximumWindowSize.X,
+	   CON.SBI.dwMaximumWindowSize.Y));
 	T(("... cursor(X:%d Y:%d)",
-	   p->SBI.dwCursorPosition.X,
-	   p->SBI.dwCursorPosition.Y));
+	   CON.SBI.dwCursorPosition.X,
+	   CON.SBI.dwCursorPosition.Y));
 	T(("... display(Top:%d Bottom:%d Left:%d Right:%d)",
-	   p->SBI.srWindow.Top,
-	   p->SBI.srWindow.Bottom,
-	   p->SBI.srWindow.Left,
-	   p->SBI.srWindow.Right));
-	if (p->buffered) {
-	    p->origin.X = 0;
-	    p->origin.Y = 0;
+	   CON.SBI.srWindow.Top,
+	   CON.SBI.srWindow.Bottom,
+	   CON.SBI.srWindow.Left,
+	   CON.SBI.srWindow.Right));
+	if (CON.buffered) {
+	    CON.origin.X = 0;
+	    CON.origin.Y = 0;
 	} else {
-	    p->origin.X = p->SBI.srWindow.Left;
-	    p->origin.Y = p->SBI.srWindow.Top;
+	    CON.origin.X = CON.SBI.srWindow.Left;
+	    CON.origin.Y = CON.SBI.srWindow.Top;
 	}
 	rc = TRUE;
     } else {
@@ -582,39 +780,35 @@ get_SBI(TERMINAL_CONTROL_BLOCK * TCB)
 }
 
 static void
-drv_setcolor(TERMINAL_CONTROL_BLOCK * TCB,
-	     int fore,
-	     int color,
-	     int (*outc) (SCREEN *, int) GCC_UNUSED)
+wcon_setcolor(TERMINAL_CONTROL_BLOCK * TCB,
+	      int fore,
+	      int color,
+	      int (*outc) (SCREEN *, int) GCC_UNUSED)
 {
-    AssertTCB();
-
-    if (okConsoleHandle(TCB) &&
-	PropOf(TCB) != 0) {
+    if (okConsoleHandle(TCB)) {
 	WORD a = MapColor(fore, color);
-	a |= (WORD) ((PropOf(TCB)->SBI.wAttributes) & (fore ? 0xfff8 : 0xff8f));
-	SetConsoleTextAttribute(TCB->hdl, a);
-	get_SBI(TCB);
+	a |= (WORD) ((CON.SBI.wAttributes) & (fore ? 0xfff8 : 0xff8f));
+	SetConsoleTextAttribute(CON.hdl, a);
+	get_SBI();
     }
 }
 
 static bool
-drv_rescol(TERMINAL_CONTROL_BLOCK * TCB)
+wcon_rescol(TERMINAL_CONTROL_BLOCK * TCB)
 {
     bool res = FALSE;
 
-    AssertTCB();
     if (okConsoleHandle(TCB)) {
 	WORD a = FOREGROUND_BLUE | FOREGROUND_RED | FOREGROUND_GREEN;
-	SetConsoleTextAttribute(TCB->hdl, a);
-	get_SBI(TCB);
+	SetConsoleTextAttribute(CON.hdl, a);
+	get_SBI();
 	res = TRUE;
     }
     return res;
 }
 
 static bool
-drv_rescolors(TERMINAL_CONTROL_BLOCK * TCB)
+wcon_rescolors(TERMINAL_CONTROL_BLOCK * TCB)
 {
     int result = FALSE;
     SCREEN *sp;
@@ -626,26 +820,23 @@ drv_rescolors(TERMINAL_CONTROL_BLOCK * TCB)
 }
 
 static int
-drv_size(TERMINAL_CONTROL_BLOCK * TCB, int *Lines, int *Cols)
+wcon_size(TERMINAL_CONTROL_BLOCK * TCB, int *Lines, int *Cols)
 {
     int result = ERR;
 
-    AssertTCB();
-
-    T((T_CALLED("win32con::drv_size(%p)"), TCB));
+    T((T_CALLED("win32con::wcon_size(%p)"), TCB));
 
     if (okConsoleHandle(TCB) &&
-	PropOf(TCB) != 0 &&
 	Lines != NULL &&
 	Cols != NULL) {
-	if (PropOf(TCB)->buffered) {
-	    *Lines = (int) (PropOf(TCB)->SBI.dwSize.Y);
-	    *Cols = (int) (PropOf(TCB)->SBI.dwSize.X);
+	if (CON.buffered) {
+	    *Lines = (int) (CON.SBI.dwSize.Y);
+	    *Cols = (int) (CON.SBI.dwSize.X);
 	} else {
-	    *Lines = (int) (PropOf(TCB)->SBI.srWindow.Bottom + 1 -
-			    PropOf(TCB)->SBI.srWindow.Top);
-	    *Cols = (int) (PropOf(TCB)->SBI.srWindow.Right + 1 -
-			   PropOf(TCB)->SBI.srWindow.Left);
+	    *Lines = (int) (CON.SBI.srWindow.Bottom + 1 -
+			    CON.SBI.srWindow.Top);
+	    *Cols = (int) (CON.SBI.srWindow.Right + 1 -
+			   CON.SBI.srWindow.Left);
 	}
 	result = OK;
     }
@@ -653,139 +844,229 @@ drv_size(TERMINAL_CONTROL_BLOCK * TCB, int *Lines, int *Cols)
 }
 
 static int
-drv_setsize(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED,
-	    int l GCC_UNUSED,
-	    int c GCC_UNUSED)
+wcon_setsize(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED,
+	     int l GCC_UNUSED,
+	     int c GCC_UNUSED)
 {
     AssertTCB();
     return ERR;
 }
 
 static int
-drv_sgmode(TERMINAL_CONTROL_BLOCK * TCB, int setFlag, TTY * buf)
+wcon_sgmode(TERMINAL_CONTROL_BLOCK * TCB, int setFlag, TTY * buf)
 {
     DWORD dwFlag = 0;
     tcflag_t iflag;
     tcflag_t lflag;
+    int result = ERR;
 
-    AssertTCB();
+    if (buf != NULL && okConsoleHandle(TCB)) {
 
-    if (TCB == 0 || buf == NULL)
-	return ERR;
+	if (setFlag) {
+	    iflag = buf->c_iflag;
+	    lflag = buf->c_lflag;
 
-    if (setFlag) {
-	iflag = buf->c_iflag;
-	lflag = buf->c_lflag;
+	    GetConsoleMode(CON.inp, &dwFlag);
 
-	GetConsoleMode(TCB->inp, &dwFlag);
+	    if (lflag & ICANON)
+		dwFlag |= ENABLE_LINE_INPUT;
+	    else
+		dwFlag &= (DWORD) (~ENABLE_LINE_INPUT);
 
-	if (lflag & ICANON)
-	    dwFlag |= ENABLE_LINE_INPUT;
-	else
-	    dwFlag &= (DWORD) (~ENABLE_LINE_INPUT);
+	    if (lflag & ECHO)
+		dwFlag |= ENABLE_ECHO_INPUT;
+	    else
+		dwFlag &= (DWORD) (~ENABLE_ECHO_INPUT);
 
-	if (lflag & ECHO)
-	    dwFlag |= ENABLE_ECHO_INPUT;
-	else
-	    dwFlag &= (DWORD) (~ENABLE_ECHO_INPUT);
+	    if (iflag & BRKINT)
+		dwFlag |= ENABLE_PROCESSED_INPUT;
+	    else
+		dwFlag &= (DWORD) (~ENABLE_PROCESSED_INPUT);
 
-	if (iflag & BRKINT)
-	    dwFlag |= ENABLE_PROCESSED_INPUT;
-	else
-	    dwFlag &= (DWORD) (~ENABLE_PROCESSED_INPUT);
+	    dwFlag |= ENABLE_MOUSE_INPUT;
 
-	dwFlag |= ENABLE_MOUSE_INPUT;
+	    buf->c_iflag = iflag;
+	    buf->c_lflag = lflag;
+	    SetConsoleMode(CON.inp, dwFlag);
+	    TCB->term.Nttyb = *buf;
+	} else {
+	    iflag = TCB->term.Nttyb.c_iflag;
+	    lflag = TCB->term.Nttyb.c_lflag;
+	    GetConsoleMode(CON.inp, &dwFlag);
+
+	    if (dwFlag & ENABLE_LINE_INPUT)
+		lflag |= ICANON;
+	    else
+		lflag &= (tcflag_t) (~ICANON);
+
+	    if (dwFlag & ENABLE_ECHO_INPUT)
+		lflag |= ECHO;
+	    else
+		lflag &= (tcflag_t) (~ECHO);
+
+	    if (dwFlag & ENABLE_PROCESSED_INPUT)
+		iflag |= BRKINT;
+	    else
+		iflag &= (tcflag_t) (~BRKINT);
+
+	    TCB->term.Nttyb.c_iflag = iflag;
+	    TCB->term.Nttyb.c_lflag = lflag;
 
-	buf->c_iflag = iflag;
-	buf->c_lflag = lflag;
-	SetConsoleMode(TCB->inp, dwFlag);
-	TCB->term.Nttyb = *buf;
+	    *buf = TCB->term.Nttyb;
+	}
+	result = OK;
+    }
+    return result;
+}
+
+#define MIN_WIDE 80
+#define MIN_HIGH 24
+
+/*
+ * In "normal" mode, reset the buffer- and window-sizes back to their original values.
+ */
+static void
+set_scrollback(bool normal, CONSOLE_SCREEN_BUFFER_INFO * info)
+{
+    SMALL_RECT rect;
+    COORD coord;
+    bool changed = FALSE;
+
+    T((T_CALLED("win32con::set_scrollback(%s)"),
+       (normal
+	? "normal"
+	: "application")));
+
+    T(("... SBI.srWindow %d,%d .. %d,%d",
+       info->srWindow.Top,
+       info->srWindow.Left,
+       info->srWindow.Bottom,
+       info->srWindow.Right));
+    T(("... SBI.dwSize %dx%d",
+       info->dwSize.Y,
+       info->dwSize.X));
+
+    if (normal) {
+	rect = info->srWindow;
+	coord = info->dwSize;
+	if (memcmp(info, &CON.SBI, sizeof(*info)) != 0) {
+	    changed = TRUE;
+	    CON.SBI = *info;
+	}
     } else {
-	iflag = TCB->term.Nttyb.c_iflag;
-	lflag = TCB->term.Nttyb.c_lflag;
-	GetConsoleMode(TCB->inp, &dwFlag);
+	int high = info->srWindow.Bottom - info->srWindow.Top + 1;
+	int wide = info->srWindow.Right - info->srWindow.Left + 1;
 
-	if (dwFlag & ENABLE_LINE_INPUT)
-	    lflag |= ICANON;
-	else
-	    lflag &= (tcflag_t) (~ICANON);
+	if (high < MIN_HIGH) {
+	    T(("... height %d < %d", high, MIN_HIGH));
+	    high = MIN_HIGH;
+	    changed = TRUE;
+	}
+	if (wide < MIN_WIDE) {
+	    T(("... width %d < %d", wide, MIN_WIDE));
+	    wide = MIN_WIDE;
+	    changed = TRUE;
+	}
 
-	if (dwFlag & ENABLE_ECHO_INPUT)
-	    lflag |= ECHO;
-	else
-	    lflag &= (tcflag_t) (~ECHO);
+	rect.Left =
+	    rect.Top = 0;
+	rect.Right = (SHORT) (wide - 1);
+	rect.Bottom = (SHORT) (high - 1);
 
-	if (dwFlag & ENABLE_PROCESSED_INPUT)
-	    iflag |= BRKINT;
-	else
-	    iflag &= (tcflag_t) (~BRKINT);
+	coord.X = (SHORT) wide;
+	coord.Y = (SHORT) high;
 
-	TCB->term.Nttyb.c_iflag = iflag;
-	TCB->term.Nttyb.c_lflag = lflag;
+	if (info->dwSize.Y != high ||
+	    info->dwSize.X != wide ||
+	    info->srWindow.Top != 0 ||
+	    info->srWindow.Left != 0) {
+	    changed = TRUE;
+	}
+
+    }
 
-	*buf = TCB->term.Nttyb;
+    if (changed) {
+	T(("... coord %d,%d", coord.Y, coord.X));
+	T(("... rect %d,%d - %d,%d",
+	   rect.Top, rect.Left,
+	   rect.Bottom, rect.Right));
+	SetConsoleScreenBufferSize(CON.hdl, coord);	/* dwSize */
+	SetConsoleWindowInfo(CON.hdl, TRUE, &rect);	/* srWindow */
+	get_SBI();
     }
-    return OK;
+    returnVoid;
 }
 
 static int
-drv_mode(TERMINAL_CONTROL_BLOCK * TCB, int progFlag, int defFlag)
+wcon_mode(TERMINAL_CONTROL_BLOCK * TCB, int progFlag, int defFlag)
 {
     SCREEN *sp;
     TERMINAL *_term = (TERMINAL *) TCB;
     int code = ERR;
 
-    AssertTCB();
-    sp = TCB->csp;
+    if (okConsoleHandle(TCB)) {
+	sp = TCB->csp;
 
-    PropOf(TCB)->progMode = progFlag;
-    PropOf(TCB)->lastOut = progFlag ? TCB->hdl : TCB->out;
-    SetConsoleActiveScreenBuffer(PropOf(TCB)->lastOut);
+	T((T_CALLED("win32con::wcon_mode(%p, prog=%d, def=%d)"),
+	   TCB, progFlag, defFlag));
 
-    if (progFlag) /* prog mode */  {
-	if (defFlag) {
-	    if ((drv_sgmode(TCB, FALSE, &(_term->Nttyb)) == OK)) {
-		_term->Nttyb.c_oflag &= (tcflag_t) (~OFLAGS_TABS);
-		code = OK;
+	CON.progMode = progFlag;
+	CON.lastOut = progFlag ? CON.hdl : CON.out;
+	SetConsoleActiveScreenBuffer(CON.lastOut);
+
+	if (progFlag) /* prog mode */  {
+	    if (defFlag) {
+		if ((wcon_sgmode(TCB, FALSE, &(_term->Nttyb)) == OK)) {
+		    _term->Nttyb.c_oflag &= (tcflag_t) (~OFLAGS_TABS);
+		    code = OK;
+		}
+	    } else {
+		/* reset_prog_mode */
+		if (wcon_sgmode(TCB, TRUE, &(_term->Nttyb)) == OK) {
+		    if (sp) {
+			if (sp->_keypad_on)
+			    _nc_keypad(sp, TRUE);
+		    }
+		    if (!CON.buffered) {
+			set_scrollback(FALSE, &CON.SBI);
+		    }
+		    code = OK;
+		}
 	    }
-	} else {
-	    /* reset_prog_mode */
-	    if (drv_sgmode(TCB, TRUE, &(_term->Nttyb)) == OK) {
+	    T(("... buffered:%d, clear:%d", CON.buffered, CurScreen(sp)->_clear));
+	} else {		/* shell mode */
+	    if (defFlag) {
+		/* def_shell_mode */
+		if (wcon_sgmode(TCB, FALSE, &(_term->Ottyb)) == OK) {
+		    code = OK;
+		}
+	    } else {
+		/* reset_shell_mode */
 		if (sp) {
-		    if (sp->_keypad_on)
-			_nc_keypad(sp, TRUE);
-		    NC_BUFFERED(sp, TRUE);
+		    _nc_keypad(sp, FALSE);
+		    NCURSES_SP_NAME(_nc_flush) (sp);
 		}
-		code = OK;
-	    }
-	}
-    } else {			/* shell mode */
-	if (defFlag) {
-	    /* def_shell_mode */
-	    if (drv_sgmode(TCB, FALSE, &(_term->Ottyb)) == OK) {
-		code = OK;
-	    }
-	} else {
-	    /* reset_shell_mode */
-	    if (sp) {
-		_nc_keypad(sp, FALSE);
-		NCURSES_SP_NAME(_nc_flush) (sp);
-		NC_BUFFERED(sp, FALSE);
+		code = wcon_sgmode(TCB, TRUE, &(_term->Ottyb));
+		if (!CON.buffered) {
+		    set_scrollback(TRUE, &CON.save_SBI);
+		    if (!restore_original_screen())
+			code = ERR;
+		}
+		SetConsoleCursorInfo(CON.hdl, &CON.save_CI);
 	    }
-	    code = drv_sgmode(TCB, TRUE, &(_term->Ottyb));
 	}
-    }
 
-    return (code);
+    }
+    returnCode(code);
 }
 
 static void
-drv_screen_init(SCREEN *sp GCC_UNUSED)
+wcon_screen_init(SCREEN *sp GCC_UNUSED)
 {
 }
 
 static void
-drv_wrap(SCREEN *sp GCC_UNUSED)
+wcon_wrap(SCREEN *sp GCC_UNUSED)
 {
 }
 
@@ -808,17 +1089,38 @@ keycompare(const void *el1, const void *el2)
 }
 
 static int
-MapKey(TERMINAL_CONTROL_BLOCK * TCB, WORD vKey)
+MapKey(WORD vKey)
 {
     WORD nKey = 0;
     void *res;
     LONG key = GenMap(vKey, 0);
     int code = -1;
 
-    AssertTCB();
+    res = bsearch(&key,
+		  CON.map,
+		  (size_t) (N_INI + FKEYS),
+		  sizeof(keylist[0]),
+		  keycompare);
+    if (res) {
+	key = *((LONG *) res);
+	nKey = LOWORD(key);
+	code = (int) (nKey & 0x7fff);
+	if (nKey & 0x8000)
+	    code = -code;
+    }
+    return code;
+}
+
+static int
+AnsiKey(WORD vKey)
+{
+    WORD nKey = 0;
+    void *res;
+    LONG key = GenMap(vKey, 0);
+    int code = -1;
 
     res = bsearch(&key,
-		  PropOf(TCB)->map,
+		  CON.ansi_map,
 		  (size_t) (N_INI + FKEYS),
 		  sizeof(keylist[0]),
 		  keycompare);
@@ -833,9 +1135,9 @@ MapKey(TERMINAL_CONTROL_BLOCK * TCB, WORD vKey)
 }
 
 static void
-drv_release(TERMINAL_CONTROL_BLOCK * TCB)
+wcon_release(TERMINAL_CONTROL_BLOCK * TCB)
 {
-    T((T_CALLED("win32con::drv_release(%p)"), TCB));
+    T((T_CALLED("win32con::wcon_release(%p)"), TCB));
 
     AssertTCB();
     if (TCB->prop)
@@ -844,85 +1146,79 @@ drv_release(TERMINAL_CONTROL_BLOCK * TCB)
     returnVoid;
 }
 
-/*
- * Attempt to save the screen contents.  PDCurses does this if
- * PDC_RESTORE_SCREEN is set, giving the same visual appearance on restoration
- * as if the library had allocated a console buffer.
- */
 static bool
-save_original_screen(TERMINAL_CONTROL_BLOCK * TCB)
+read_screen_data(void)
 {
     bool result = FALSE;
-    Properties *p = PropOf(TCB);
-    COORD bufferSize;
     COORD bufferCoord;
-    SMALL_RECT readRegion;
     size_t want;
 
-    bufferSize.X = p->SBI.dwSize.X;
-    bufferSize.Y = p->SBI.dwSize.Y;
-    want = (size_t) (bufferSize.X * bufferSize.Y);
+    CON.save_size.X = (SHORT) (CON.save_region.Right
+			       - CON.save_region.Left + 1);
+    CON.save_size.Y = (SHORT) (CON.save_region.Bottom
+			       - CON.save_region.Top + 1);
 
-    if ((p->save_screen = malloc(want * sizeof(CHAR_INFO))) != 0) {
-	bufferCoord.X = bufferCoord.Y = 0;
+    want = (size_t) (CON.save_size.X * CON.save_size.Y);
 
-	readRegion.Top = 0;
-	readRegion.Left = 0;
-	readRegion.Bottom = (SHORT) (bufferSize.Y - 1);
-	readRegion.Right = (SHORT) (bufferSize.X - 1);
+    if ((CON.save_screen = malloc(want * sizeof(CHAR_INFO))) != 0) {
+	bufferCoord.X = (SHORT) (CON.window_only ? CON.SBI.srWindow.Left : 0);
+	bufferCoord.Y = (SHORT) (CON.window_only ? CON.SBI.srWindow.Top : 0);
 
-	T(("... reading console buffer %dx%d into %d,%d - %d,%d at %d,%d",
-	   bufferSize.Y, bufferSize.X,
-	   readRegion.Top,
-	   readRegion.Left,
-	   readRegion.Bottom,
-	   readRegion.Right,
+	T(("... reading console %s %dx%d into %d,%d - %d,%d at %d,%d",
+	   CON.window_only ? "window" : "buffer",
+	   CON.save_size.Y, CON.save_size.X,
+	   CON.save_region.Top,
+	   CON.save_region.Left,
+	   CON.save_region.Bottom,
+	   CON.save_region.Right,
 	   bufferCoord.Y,
 	   bufferCoord.X));
 
-	if (ReadConsoleOutput(TCB->hdl,
-			      p->save_screen,
-			      bufferSize,
-			      bufferCoord,
-			      &readRegion)) {
+	if (read_screen(CON.hdl,
+			CON.save_screen,
+			CON.save_size,
+			bufferCoord,
+			&CON.save_region)) {
 	    result = TRUE;
 	} else {
 	    T((" error %#lx", (unsigned long) GetLastError()));
-	    FreeAndNull(p->save_screen);
+	    FreeAndNull(CON.save_screen);
+	}
+    }
 
-	    bufferSize.X = (SHORT) (p->SBI.srWindow.Right
-				    - p->SBI.srWindow.Left + 1);
-	    bufferSize.Y = (SHORT) (p->SBI.srWindow.Bottom
-				    - p->SBI.srWindow.Top + 1);
-	    want = (size_t) (bufferSize.X * bufferSize.Y);
+    return result;
+}
 
-	    if ((p->save_screen = malloc(want * sizeof(CHAR_INFO))) != 0) {
-		bufferCoord.X = bufferCoord.Y = 0;
+/*
+ * Attempt to save the screen contents.  PDCurses does this if
+ * PDC_RESTORE_SCREEN is set, giving the same visual appearance on
+ * restoration as if the library had allocated a console buffer.  MSDN
+ * says that the data which can be read is limited to 64Kb (and may be
+ * less).
+ */
+static bool
+save_original_screen(void)
+{
+    bool result = FALSE;
 
-		readRegion.Top = p->SBI.srWindow.Top;
-		readRegion.Left = p->SBI.srWindow.Left;
-		readRegion.Bottom = p->SBI.srWindow.Bottom;
-		readRegion.Right = p->SBI.srWindow.Right;
+    CON.save_region.Top = 0;
+    CON.save_region.Left = 0;
+    CON.save_region.Bottom = (SHORT) (CON.SBI.dwSize.Y - 1);
+    CON.save_region.Right = (SHORT) (CON.SBI.dwSize.X - 1);
 
-		T(("... reading console window %dx%d into %d,%d - %d,%d at %d,%d",
-		   bufferSize.Y, bufferSize.X,
-		   readRegion.Top,
-		   readRegion.Left,
-		   readRegion.Bottom,
-		   readRegion.Right,
-		   bufferCoord.Y,
-		   bufferCoord.X));
+    if (read_screen_data()) {
+	result = TRUE;
+    } else {
 
-		if (ReadConsoleOutput(TCB->hdl,
-				      p->save_screen,
-				      bufferSize,
-				      bufferCoord,
-				      &readRegion)) {
-		    result = TRUE;
-		} else {
-		    T((" error %#lx", (unsigned long) GetLastError()));
-		}
-	    }
+	CON.save_region.Top = CON.SBI.srWindow.Top;
+	CON.save_region.Left = CON.SBI.srWindow.Left;
+	CON.save_region.Bottom = CON.SBI.srWindow.Bottom;
+	CON.save_region.Right = CON.SBI.srWindow.Right;
+
+	CON.window_only = TRUE;
+
+	if (read_screen_data()) {
+	    result = TRUE;
 	}
     }
 
@@ -931,51 +1227,15 @@ save_original_screen(TERMINAL_CONTROL_BLOCK * TCB)
 }
 
 static void
-drv_init(TERMINAL_CONTROL_BLOCK * TCB)
+wcon_init(TERMINAL_CONTROL_BLOCK * TCB)
 {
-    DWORD num_buttons;
-
-    T((T_CALLED("win32con::drv_init(%p)"), TCB));
+    T((T_CALLED("win32con::wcon_init(%p)"), TCB));
 
     AssertTCB();
 
     if (TCB) {
-	BOOL b = AllocConsole();
-	WORD a;
-	int i;
-	bool buffered = TRUE;
-
-	if (!b)
-	    b = AttachConsole(ATTACH_PARENT_PROCESS);
-
-	TCB->inp = GetStdHandle(STD_INPUT_HANDLE);
-	TCB->out = GetStdHandle(STD_OUTPUT_HANDLE);
-
-	if (getenv("NCGDB")) {
-	    TCB->hdl = TCB->out;
-	    buffered = FALSE;
-	} else {
-	    TCB->hdl = CreateConsoleScreenBuffer(GENERIC_READ | GENERIC_WRITE,
-						 0,
-						 NULL,
-						 CONSOLE_TEXTMODE_BUFFER,
-						 NULL);
-	}
-
-	if (InvalidConsoleHandle(TCB->hdl)) {
+	if (!InitConsole()) {
 	    returnVoid;
-	} else if ((TCB->prop = typeCalloc(Properties, 1)) != 0) {
-	    PropOf(TCB)->buffered = buffered;
-	    if (!get_SBI(TCB)) {
-		FreeAndNull(TCB->prop);		/* force error in drv_size */
-		returnVoid;
-	    }
-	    if (!buffered) {
-		if (!save_original_screen(TCB)) {
-		    FreeAndNull(TCB->prop);	/* force error in drv_size */
-		    returnVoid;
-		}
-	    }
 	}
 
 	TCB->info.initcolor = TRUE;
@@ -991,61 +1251,37 @@ drv_init(TERMINAL_CONTROL_BLOCK * TCB)
 	TCB->info.nocolorvideo = 1;
 	TCB->info.tabsize = 8;
 
-	if (GetNumberOfConsoleMouseButtons(&num_buttons)) {
-	    T(("mouse has %ld buttons", num_buttons));
-	    TCB->info.numbuttons = (int) num_buttons;
-	} else {
-	    TCB->info.numbuttons = 1;
-	}
-
+	TCB->info.numbuttons = CON.numButtons;
 	TCB->info.defaultPalette = _nc_cga_palette;
 
-	for (i = 0; i < (N_INI + FKEYS); i++) {
-	    if (i < N_INI)
-		PropOf(TCB)->rmap[i] = PropOf(TCB)->map[i] = (DWORD) keylist[i];
-	    else
-		PropOf(TCB)->rmap[i] = PropOf(TCB)->map[i] =
-		    GenMap((VK_F1 + (i - N_INI)), (KEY_F(1) + (i - N_INI)));
-	}
-	qsort(PropOf(TCB)->map,
-	      (size_t) (MAPSIZE),
-	      sizeof(keylist[0]),
-	      keycompare);
-	qsort(PropOf(TCB)->rmap,
-	      (size_t) (MAPSIZE),
-	      sizeof(keylist[0]),
-	      rkeycompare);
-
-	a = MapColor(true, COLOR_WHITE) | MapColor(false, COLOR_BLACK);
-	for (i = 0; i < NUMPAIRS; i++)
-	    PropOf(TCB)->pairs[i] = a;
     }
     returnVoid;
 }
 
 static void
-drv_initpair(TERMINAL_CONTROL_BLOCK * TCB,
-	     int pair,
-	     int f,
-	     int b)
+wcon_initpair(TERMINAL_CONTROL_BLOCK * TCB,
+	      int pair,
+	      int f,
+	      int b)
 {
     SCREEN *sp;
 
-    AssertTCB();
-    SetSP();
+    if (okConsoleHandle(TCB)) {
+	SetSP();
 
-    if ((pair > 0) && (pair < NUMPAIRS) && (f >= 0) && (f < 8)
-	&& (b >= 0) && (b < 8)) {
-	PropOf(TCB)->pairs[pair] = MapColor(true, f) | MapColor(false, b);
+	if ((pair > 0) && (pair < NUMPAIRS) && (f >= 0) && (f < 8)
+	    && (b >= 0) && (b < 8)) {
+	    CON.pairs[pair] = MapColor(true, f) | MapColor(false, b);
+	}
     }
 }
 
 static void
-drv_initcolor(TERMINAL_CONTROL_BLOCK * TCB,
-	      int color GCC_UNUSED,
-	      int r GCC_UNUSED,
-	      int g GCC_UNUSED,
-	      int b GCC_UNUSED)
+wcon_initcolor(TERMINAL_CONTROL_BLOCK * TCB,
+	       int color GCC_UNUSED,
+	       int r GCC_UNUSED,
+	       int g GCC_UNUSED,
+	       int b GCC_UNUSED)
 {
     SCREEN *sp;
 
@@ -1054,11 +1290,11 @@ drv_initcolor(TERMINAL_CONTROL_BLOCK * TCB,
 }
 
 static void
-drv_do_color(TERMINAL_CONTROL_BLOCK * TCB,
-	     int old_pair GCC_UNUSED,
-	     int pair GCC_UNUSED,
-	     int reverse GCC_UNUSED,
-	     int (*outc) (SCREEN *, int) GCC_UNUSED
+wcon_do_color(TERMINAL_CONTROL_BLOCK * TCB,
+	      int old_pair GCC_UNUSED,
+	      int pair GCC_UNUSED,
+	      int reverse GCC_UNUSED,
+	      int (*outc) (SCREEN *, int) GCC_UNUSED
 )
 {
     SCREEN *sp;
@@ -1068,59 +1304,62 @@ drv_do_color(TERMINAL_CONTROL_BLOCK * TCB,
 }
 
 static void
-drv_initmouse(TERMINAL_CONTROL_BLOCK * TCB)
+wcon_initmouse(TERMINAL_CONTROL_BLOCK * TCB)
 {
     SCREEN *sp;
 
-    AssertTCB();
-    SetSP();
+    if (okConsoleHandle(TCB)) {
+	SetSP();
 
-    sp->_mouse_type = M_TERM_DRIVER;
+	sp->_mouse_type = M_TERM_DRIVER;
+    }
 }
 
 static int
-drv_testmouse(TERMINAL_CONTROL_BLOCK * TCB, int delay)
+wcon_testmouse(TERMINAL_CONTROL_BLOCK * TCB,
+	       int delay
+	       EVENTLIST_2nd(_nc_eventlist * evl))
 {
     int rc = 0;
     SCREEN *sp;
 
-    AssertTCB();
-    SetSP();
+    if (okConsoleHandle(TCB)) {
+	SetSP();
 
-    if (sp->_drv_mouse_head < sp->_drv_mouse_tail) {
-	rc = TW_MOUSE;
-    } else {
-	rc = TCBOf(sp)->drv->twait(TCBOf(sp),
-				   TWAIT_MASK,
-				   delay,
-				   (int *) 0
-				   EVENTLIST_2nd(evl));
+	if (sp->_drv_mouse_head < sp->_drv_mouse_tail) {
+	    rc = TW_MOUSE;
+	} else {
+	    rc = TCBOf(sp)->drv->td_twait(TCBOf(sp),
+					  TWAIT_MASK,
+					  delay,
+					  (int *) 0
+					  EVENTLIST_2nd(evl));
+	}
     }
 
     return rc;
 }
 
 static int
-drv_mvcur(TERMINAL_CONTROL_BLOCK * TCB,
-	  int yold GCC_UNUSED, int xold GCC_UNUSED,
-	  int y, int x)
+wcon_mvcur(TERMINAL_CONTROL_BLOCK * TCB,
+	   int yold GCC_UNUSED, int xold GCC_UNUSED,
+	   int y, int x)
 {
     int ret = ERR;
     if (okConsoleHandle(TCB)) {
-	Properties *p = PropOf(TCB);
 	COORD loc;
 	loc.X = (short) x;
-	loc.Y = (short) (y + AdjustY(p));
-	SetConsoleCursorPosition(TCB->hdl, loc);
+	loc.Y = (short) (y + AdjustY());
+	SetConsoleCursorPosition(CON.hdl, loc);
 	ret = OK;
     }
     return ret;
 }
 
 static void
-drv_hwlabel(TERMINAL_CONTROL_BLOCK * TCB,
-	    int labnum GCC_UNUSED,
-	    char *text GCC_UNUSED)
+wcon_hwlabel(TERMINAL_CONTROL_BLOCK * TCB,
+	     int labnum GCC_UNUSED,
+	     char *text GCC_UNUSED)
 {
     SCREEN *sp;
 
@@ -1129,8 +1368,8 @@ drv_hwlabel(TERMINAL_CONTROL_BLOCK * TCB,
 }
 
 static void
-drv_hwlabelOnOff(TERMINAL_CONTROL_BLOCK * TCB,
-		 int OnFlag GCC_UNUSED)
+wcon_hwlabelOnOff(TERMINAL_CONTROL_BLOCK * TCB,
+		  int OnFlag GCC_UNUSED)
 {
     SCREEN *sp;
 
@@ -1139,7 +1378,7 @@ drv_hwlabelOnOff(TERMINAL_CONTROL_BLOCK * TCB,
 }
 
 static chtype
-drv_conattr(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED)
+wcon_conattr(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED)
 {
     chtype res = A_NORMAL;
     res |= (A_BOLD | A_DIM | A_REVERSE | A_STANDOUT | A_COLOR);
@@ -1147,7 +1386,7 @@ drv_conattr(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED)
 }
 
 static void
-drv_setfilter(TERMINAL_CONTROL_BLOCK * TCB)
+wcon_setfilter(TERMINAL_CONTROL_BLOCK * TCB)
 {
     SCREEN *sp;
 
@@ -1156,9 +1395,9 @@ drv_setfilter(TERMINAL_CONTROL_BLOCK * TCB)
 }
 
 static void
-drv_initacs(TERMINAL_CONTROL_BLOCK * TCB,
-	    chtype *real_map GCC_UNUSED,
-	    chtype *fake_map GCC_UNUSED)
+wcon_initacs(TERMINAL_CONTROL_BLOCK * TCB,
+	     chtype *real_map GCC_UNUSED,
+	     chtype *fake_map GCC_UNUSED)
 {
 #define DATA(a,b) { a, b }
     static struct {
@@ -1192,13 +1431,14 @@ drv_initacs(TERMINAL_CONTROL_BLOCK * TCB,
     unsigned n;
 
     SCREEN *sp;
-    AssertTCB();
-    SetSP();
+    if (okConsoleHandle(TCB)) {
+	SetSP();
 
-    for (n = 0; n < SIZEOF(table); ++n) {
-	real_map[table[n].acs_code] = (chtype) table[n].use_code | A_ALTCHARSET;
-	if (sp != 0)
-	    sp->_screen_acs_map[table[n].acs_code] = TRUE;
+	for (n = 0; n < SIZEOF(table); ++n) {
+	    real_map[table[n].acs_code] = (chtype) table[n].use_code | A_ALTCHARSET;
+	    if (sp != 0)
+		sp->_screen_acs_map[table[n].acs_code] = TRUE;
+	}
     }
 }
 
@@ -1221,11 +1461,11 @@ tdiff(FILETIME fstart, FILETIME fend)
 static int
 Adjust(int milliseconds, int diff)
 {
-    if (milliseconds == INFINITY)
-	return milliseconds;
-    milliseconds -= diff;
-    if (milliseconds < 0)
-	milliseconds = 0;
+    if (milliseconds != INFINITY) {
+	milliseconds -= diff;
+	if (milliseconds < 0)
+	    milliseconds = 0;
+    }
     return milliseconds;
 }
 
@@ -1236,13 +1476,12 @@ Adjust(int milliseconds, int diff)
 		     RIGHTMOST_BUTTON_PRESSED)
 
 static int
-decode_mouse(TERMINAL_CONTROL_BLOCK * TCB, int mask)
+decode_mouse(SCREEN *sp, int mask)
 {
-    SCREEN *sp;
     int result = 0;
 
-    AssertTCB();
-    SetSP();
+    (void) sp;
+    assert(sp && console_initialized);
 
     if (mask & FROM_LEFT_1ST_BUTTON_PRESSED)
 	result |= BUTTON1_PRESSED;
@@ -1254,7 +1493,7 @@ decode_mouse(TERMINAL_CONTROL_BLOCK * TCB, int mask)
 	result |= BUTTON4_PRESSED;
 
     if (mask & RIGHTMOST_BUTTON_PRESSED) {
-	switch (TCB->info.numbuttons) {
+	switch (CON.numButtons) {
 	case 1:
 	    result |= BUTTON1_PRESSED;
 	    break;
@@ -1274,13 +1513,14 @@ decode_mouse(TERMINAL_CONTROL_BLOCK * TCB, int mask)
 }
 
 static int
-drv_twait(TERMINAL_CONTROL_BLOCK * TCB,
-	  int mode,
-	  int milliseconds,
-	  int *timeleft
-	  EVENTLIST_2nd(_nc_eventlist * evl))
+console_twait(
+		 SCREEN *sp,
+		 HANDLE fd,
+		 int mode,
+		 int milliseconds,
+		 int *timeleft
+		 EVENTLIST_2nd(_nc_eventlist * evl))
 {
-    SCREEN *sp;
     INPUT_RECORD inp_rec;
     BOOL b;
     DWORD nRead = 0, rc = (DWORD) (-1);
@@ -1290,10 +1530,13 @@ drv_twait(TERMINAL_CONTROL_BLOCK * TCB,
     int diff;
     bool isImmed = (milliseconds == 0);
 
-#define CONSUME() ReadConsoleInput(TCB->inp,&inp_rec,1,&nRead)
+#ifdef NCURSES_WGETCH_EVENTS
+    (void) evl;			/* TODO: implement wgetch-events */
+#endif
 
-    AssertTCB();
-    SetSP();
+#define CONSUME() ReadConsoleInput(fd,&inp_rec,1,&nRead)
+
+    assert(sp);
 
     TR(TRACE_IEVENT, ("start twait: %d milliseconds, mode: %d",
 		      milliseconds, mode));
@@ -1305,19 +1548,19 @@ drv_twait(TERMINAL_CONTROL_BLOCK * TCB,
 
     while (true) {
 	GetSystemTimeAsFileTime(&fstart);
-	rc = WaitForSingleObject(TCB->inp, (DWORD) milliseconds);
+	rc = WaitForSingleObject(fd, (DWORD) milliseconds);
 	GetSystemTimeAsFileTime(&fend);
 	diff = (int) tdiff(fstart, fend);
 	milliseconds = Adjust(milliseconds, diff);
 
-	if (!isImmed && milliseconds == 0)
+	if (!isImmed && milliseconds <= 0)
 	    break;
 
 	if (rc == WAIT_OBJECT_0) {
 	    if (mode) {
-		b = GetNumberOfConsoleInputEvents(TCB->inp, &nRead);
+		b = GetNumberOfConsoleInputEvents(fd, &nRead);
 		if (b && nRead > 0) {
-		    b = PeekConsoleInput(TCB->inp, &inp_rec, 1, &nRead);
+		    b = PeekConsoleInput(fd, &inp_rec, 1, &nRead);
 		    if (b && nRead > 0) {
 			switch (inp_rec.EventType) {
 			case KEY_EVENT:
@@ -1327,8 +1570,8 @@ drv_twait(TERMINAL_CONTROL_BLOCK * TCB,
 
 				if (inp_rec.Event.KeyEvent.bKeyDown) {
 				    if (0 == ch) {
-					int nKey = MapKey(TCB, vk);
-					if ((nKey < 0) || FALSE == sp->_keypad_on) {
+					int nKey = MapKey(vk);
+					if (nKey < 0) {
 					    CONSUME();
 					    continue;
 					}
@@ -1341,7 +1584,7 @@ drv_twait(TERMINAL_CONTROL_BLOCK * TCB,
 			    }
 			    continue;
 			case MOUSE_EVENT:
-			    if (decode_mouse(TCB,
+			    if (decode_mouse(sp,
 					     (inp_rec.Event.MouseEvent.dwButtonState
 					      & BUTTON_MASK)) == 0) {
 				CONSUME();
@@ -1350,8 +1593,10 @@ drv_twait(TERMINAL_CONTROL_BLOCK * TCB,
 				goto end;
 			    }
 			    continue;
+			    /* e.g., FOCUS_EVENT */
 			default:
-			    selectActiveHandle(TCB);
+			    CONSUME();
+			    selectActiveHandle();
 			    continue;
 			}
 		    }
@@ -1379,15 +1624,35 @@ drv_twait(TERMINAL_CONTROL_BLOCK * TCB,
     return code;
 }
 
-static bool
-handle_mouse(TERMINAL_CONTROL_BLOCK * TCB, MOUSE_EVENT_RECORD mer)
+static int
+wcon_twait(TERMINAL_CONTROL_BLOCK * TCB,
+	   int mode,
+	   int milliseconds,
+	   int *timeleft
+	   EVENTLIST_2nd(_nc_eventlist * evl))
 {
     SCREEN *sp;
+    int code = 0;
+
+    if (okConsoleHandle(TCB)) {
+	SetSP();
+
+	code = console_twait(sp,
+			     CON.inp,
+			     mode,
+			     milliseconds,
+			     timeleft EVENTLIST_2nd(evl));
+    }
+    return code;
+}
+
+static bool
+handle_mouse(SCREEN *sp, MOUSE_EVENT_RECORD mer)
+{
     MEVENT work;
     bool result = FALSE;
 
-    AssertTCB();
-    SetSP();
+    assert(sp);
 
     sp->_drv_mouse_old_buttons = sp->_drv_mouse_new_buttons;
     sp->_drv_mouse_new_buttons = mer.dwButtonState & BUTTON_MASK;
@@ -1397,18 +1662,17 @@ handle_mouse(TERMINAL_CONTROL_BLOCK * TCB, MOUSE_EVENT_RECORD mer)
      * FIXME: implement continuous event-tracking.
      */
     if (sp->_drv_mouse_new_buttons != sp->_drv_mouse_old_buttons) {
-	Properties *p = PropOf(TCB);
 
 	memset(&work, 0, sizeof(work));
 
 	if (sp->_drv_mouse_new_buttons) {
 
-	    work.bstate |= (mmask_t) decode_mouse(TCB, sp->_drv_mouse_new_buttons);
+	    work.bstate |= (mmask_t) decode_mouse(sp, sp->_drv_mouse_new_buttons);
 
 	} else {
 
 	    /* cf: BUTTON_PRESSED, BUTTON_RELEASED */
-	    work.bstate |= (mmask_t) (decode_mouse(TCB,
+	    work.bstate |= (mmask_t) (decode_mouse(sp,
 						   sp->_drv_mouse_old_buttons)
 				      >> 1);
 
@@ -1416,7 +1680,7 @@ handle_mouse(TERMINAL_CONTROL_BLOCK * TCB, MOUSE_EVENT_RECORD mer)
 	}
 
 	work.x = mer.dwMousePosition.X;
-	work.y = mer.dwMousePosition.Y - AdjustY(p);
+	work.y = mer.dwMousePosition.Y - AdjustY();
 
 	sp->_drv_mouse_fifo[sp->_drv_mouse_tail] = work;
 	sp->_drv_mouse_tail += 1;
@@ -1426,78 +1690,64 @@ handle_mouse(TERMINAL_CONTROL_BLOCK * TCB, MOUSE_EVENT_RECORD mer)
 }
 
 static int
-drv_read(TERMINAL_CONTROL_BLOCK * TCB, int *buf)
+wcon_read(TERMINAL_CONTROL_BLOCK * TCB, int *buf)
 {
     SCREEN *sp;
-    int n = 1;
-    INPUT_RECORD inp_rec;
-    BOOL b;
-    DWORD nRead;
-    WORD vk;
+    int n = -1;
 
-    AssertTCB();
-    assert(buf);
-    SetSP();
+    T((T_CALLED("win32con::wcon_read(%p)"), TCB));
 
-    memset(&inp_rec, 0, sizeof(inp_rec));
+    assert(buf);
+    if (okConsoleHandle(TCB)) {
+	SetSP();
 
-    T((T_CALLED("win32con::drv_read(%p)"), TCB));
-    while ((b = ReadConsoleInput(TCB->inp, &inp_rec, 1, &nRead))) {
-	if (b && nRead > 0) {
-	    if (inp_rec.EventType == KEY_EVENT) {
-		if (!inp_rec.Event.KeyEvent.bKeyDown)
-		    continue;
-		*buf = (int) inp_rec.Event.KeyEvent.uChar.AsciiChar;
-		vk = inp_rec.Event.KeyEvent.wVirtualKeyCode;
-		if (*buf == 0) {
-		    if (sp->_keypad_on) {
-			*buf = MapKey(TCB, vk);
-			if (0 > (*buf))
-			    continue;
-			else
-			    break;
-		    } else
-			continue;
-		} else {	/* *buf != 0 */
-		    break;
-		}
-	    } else if (inp_rec.EventType == MOUSE_EVENT) {
-		if (handle_mouse(TCB, inp_rec.Event.MouseEvent)) {
-		    *buf = KEY_MOUSE;
-		    break;
-		}
-	    }
-	    continue;
-	}
+	n = _nc_mingw_console_read(sp, CON.inp, buf);
     }
     returnCode(n);
 }
 
 static int
-drv_nap(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED, int ms)
+wcon_nap(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED, int ms)
 {
-    T((T_CALLED("win32con::drv_nap(%p, %d)"), TCB, ms));
+    T((T_CALLED("win32con::wcon_nap(%p, %d)"), TCB, ms));
     Sleep((DWORD) ms);
     returnCode(OK);
 }
 
+static int
+wcon_cursorSet(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED, int mode)
+{
+    int res = -1;
+
+    T((T_CALLED("win32con:wcon_cursorSet(%d)"), mode));
+    if (okConsoleHandle(TCB)) {
+	CONSOLE_CURSOR_INFO this_CI = CON.save_CI;
+	switch (mode) {
+	case 0:
+	    this_CI.bVisible = FALSE;
+	    break;
+	case 1:
+	    break;
+	case 2:
+	    this_CI.dwSize = 100;
+	    break;
+	}
+	SetConsoleCursorInfo(CON.hdl, &this_CI);
+    }
+    returnCode(res);
+}
+
 static bool
-drv_kyExist(TERMINAL_CONTROL_BLOCK * TCB, int keycode)
+wcon_kyExist(TERMINAL_CONTROL_BLOCK * TCB GCC_UNUSED, int keycode)
 {
-    SCREEN *sp;
     WORD nKey;
     void *res;
     bool found = FALSE;
     LONG key = GenMap(0, (WORD) keycode);
 
-    AssertTCB();
-    SetSP();
-
-    AssertTCB();
-
-    T((T_CALLED("win32con::drv_kyExist(%p, %d)"), TCB, keycode));
+    T((T_CALLED("win32con::wcon_kyExist(%d)"), keycode));
     res = bsearch(&key,
-		  PropOf(TCB)->rmap,
+		  CON.rmap,
 		  (size_t) (N_INI + FKEYS),
 		  sizeof(keylist[0]),
 		  rkeycompare);
@@ -1511,23 +1761,27 @@ drv_kyExist(TERMINAL_CONTROL_BLOCK * TCB, int keycode)
 }
 
 static int
-drv_kpad(TERMINAL_CONTROL_BLOCK * TCB, int flag GCC_UNUSED)
+wcon_kpad(TERMINAL_CONTROL_BLOCK * TCB, int flag GCC_UNUSED)
 {
     SCREEN *sp;
     int code = ERR;
 
-    AssertTCB();
-    sp = TCB->csp;
+    T((T_CALLED("win32con::wcon_kpad(%p, %d)"), TCB, flag));
 
-    T((T_CALLED("win32con::drv_kpad(%p, %d)"), TCB, flag));
-    if (sp) {
-	code = OK;
+    if (okConsoleHandle(TCB)) {
+	SetSP();
+
+	if (sp) {
+	    code = OK;
+	}
     }
     returnCode(code);
 }
 
 static int
-drv_keyok(TERMINAL_CONTROL_BLOCK * TCB, int keycode, int flag)
+wcon_keyok(TERMINAL_CONTROL_BLOCK * TCB,
+	   int keycode,
+	   int flag)
 {
     int code = ERR;
     SCREEN *sp;
@@ -1536,23 +1790,25 @@ drv_keyok(TERMINAL_CONTROL_BLOCK * TCB, int keycode, int flag)
     void *res;
     LONG key = GenMap(0, (WORD) keycode);
 
-    AssertTCB();
-    SetSP();
+    T((T_CALLED("win32con::wcon_keyok(%p, %d, %d)"), TCB, keycode, flag));
+
+    if (okConsoleHandle(TCB)) {
+	SetSP();
 
-    T((T_CALLED("win32con::drv_keyok(%p, %d, %d)"), TCB, keycode, flag));
-    if (sp) {
-	res = bsearch(&key,
-		      PropOf(TCB)->rmap,
-		      (size_t) (N_INI + FKEYS),
-		      sizeof(keylist[0]),
-		      rkeycompare);
-	if (res) {
-	    key = *((LONG *) res);
-	    vKey = HIWORD(key);
-	    nKey = (LOWORD(key)) & 0x7fff;
-	    if (!flag)
-		nKey |= 0x8000;
-	    *(LONG *) res = GenMap(vKey, nKey);
+	if (sp) {
+	    res = bsearch(&key,
+			  CON.rmap,
+			  (size_t) (N_INI + FKEYS),
+			  sizeof(keylist[0]),
+			  rkeycompare);
+	    if (res) {
+		key = *((LONG *) res);
+		vKey = HIWORD(key);
+		nKey = (LOWORD(key)) & 0x7fff;
+		if (!flag)
+		    nKey |= 0x8000;
+		*(LONG *) res = GenMap(vKey, nKey);
+	    }
 	}
     }
     returnCode(code);
@@ -1560,38 +1816,459 @@ drv_keyok(TERMINAL_CONTROL_BLOCK * TCB, int keycode, int flag)
 
 NCURSES_EXPORT_VAR (TERM_DRIVER) _nc_WIN_DRIVER = {
     FALSE,
-	drv_CanHandle,		/* CanHandle */
-	drv_init,		/* init */
-	drv_release,		/* release */
-	drv_size,		/* size */
-	drv_sgmode,		/* sgmode */
-	drv_conattr,		/* conattr */
-	drv_mvcur,		/* hwcur */
-	drv_mode,		/* mode */
-	drv_rescol,		/* rescol */
-	drv_rescolors,		/* rescolors */
-	drv_setcolor,		/* color */
-	drv_dobeepflash,	/* DoBeepFlash */
-	drv_initpair,		/* initpair */
-	drv_initcolor,		/* initcolor */
-	drv_do_color,		/* docolor */
-	drv_initmouse,		/* initmouse */
-	drv_testmouse,		/* testmouse */
-	drv_setfilter,		/* setfilter */
-	drv_hwlabel,		/* hwlabel */
-	drv_hwlabelOnOff,	/* hwlabelOnOff */
-	drv_doupdate,		/* update */
-	drv_defaultcolors,	/* defaultcolors */
-	drv_print,		/* print */
-	drv_size,		/* getsize */
-	drv_setsize,		/* setsize */
-	drv_initacs,		/* initacs */
-	drv_screen_init,	/* scinit */
-	drv_wrap,		/* scexit */
-	drv_twait,		/* twait */
-	drv_read,		/* read */
-	drv_nap,		/* nap */
-	drv_kpad,		/* kpad */
-	drv_keyok,		/* kyOk */
-	drv_kyExist		/* kyExist */
+	wcon_name,		/* Name */
+	wcon_CanHandle,		/* CanHandle */
+	wcon_init,		/* init */
+	wcon_release,		/* release */
+	wcon_size,		/* size */
+	wcon_sgmode,		/* sgmode */
+	wcon_conattr,		/* conattr */
+	wcon_mvcur,		/* hwcur */
+	wcon_mode,		/* mode */
+	wcon_rescol,		/* rescol */
+	wcon_rescolors,		/* rescolors */
+	wcon_setcolor,		/* color */
+	wcon_dobeepflash,	/* DoBeepFlash */
+	wcon_initpair,		/* initpair */
+	wcon_initcolor,		/* initcolor */
+	wcon_do_color,		/* docolor */
+	wcon_initmouse,		/* initmouse */
+	wcon_testmouse,		/* testmouse */
+	wcon_setfilter,		/* setfilter */
+	wcon_hwlabel,		/* hwlabel */
+	wcon_hwlabelOnOff,	/* hwlabelOnOff */
+	wcon_doupdate,		/* update */
+	wcon_defaultcolors,	/* defaultcolors */
+	wcon_print,		/* print */
+	wcon_size,		/* getsize */
+	wcon_setsize,		/* setsize */
+	wcon_initacs,		/* initacs */
+	wcon_screen_init,	/* scinit */
+	wcon_wrap,		/* scexit */
+	wcon_twait,		/* twait */
+	wcon_read,		/* read */
+	wcon_nap,		/* nap */
+	wcon_kpad,		/* kpad */
+	wcon_keyok,		/* kyOk */
+	wcon_kyExist,		/* kyExist */
+	wcon_cursorSet		/* cursorSet */
 };
+
+/* --------------------------------------------------------- */
+
+static HANDLE
+get_handle(int fd)
+{
+    intptr_t value = _get_osfhandle(fd);
+    return (HANDLE) value;
+}
+
+#if WINVER >= 0x0600
+/*   This function tests, whether or not the ncurses application
+     is running as a descendant of MSYS2/cygwin mintty terminal
+     application. mintty doesn't use Windows Console for it's screen
+     I/O, so the native Windows _isatty doesn't recognize it as
+     character device. But we can discover we are at the end of an
+     Pipe and can query to server side of the pipe, looking whether
+     or not this is mintty.
+ */
+static int
+_ismintty(int fd, LPHANDLE pMinTTY)
+{
+    HANDLE handle = get_handle(fd);
+    DWORD dw;
+    int code = 0;
+
+    T((T_CALLED("win32con::_ismintty(%d, %p)"), fd, pMinTTY));
+
+    if (handle != INVALID_HANDLE_VALUE) {
+	dw = GetFileType(handle);
+	if (dw == FILE_TYPE_PIPE) {
+	    if (GetNamedPipeInfo(handle, 0, 0, 0, 0)) {
+		ULONG pPid;
+		/* Requires NT6 */
+		if (GetNamedPipeServerProcessId(handle, &pPid)) {
+		    TCHAR buf[MAX_PATH];
+		    DWORD len = 0;
+		    /* These security attributes may allow us to
+		       create a remote thread in mintty to manipulate
+		       the terminal state remotely */
+		    HANDLE pHandle = OpenProcess(
+						    PROCESS_CREATE_THREAD
+						    | PROCESS_QUERY_INFORMATION
+						    | PROCESS_VM_OPERATION
+						    | PROCESS_VM_WRITE
+						    | PROCESS_VM_READ,
+						    FALSE,
+						    pPid);
+		    if (pMinTTY)
+			*pMinTTY = INVALID_HANDLE_VALUE;
+		    if (pHandle != INVALID_HANDLE_VALUE) {
+			if ((len = GetProcessImageFileName(
+							      pHandle,
+							      buf,
+							      (DWORD)
+							      array_length(buf)))) {
+			    TCHAR *pos = _tcsrchr(buf, _T('\\'));
+			    if (pos) {
+				pos++;
+				if (_tcsnicmp(pos, _TEXT("mintty.exe"), 10)
+				    == 0) {
+				    if (pMinTTY)
+					*pMinTTY = pHandle;
+				    code = 1;
+				}
+			    }
+			}
+		    }
+		}
+	    }
+	}
+    }
+    returnCode(code);
+}
+#endif
+
+/*   Borrowed from ansicon project.
+     Check whether or not an I/O handle is associated with
+     a Windows console.
+*/
+static BOOL
+IsConsoleHandle(HANDLE hdl)
+{
+    DWORD dwFlag = 0;
+    BOOL result;
+
+    if (!GetConsoleMode(hdl, &dwFlag)) {
+	result = (int) WriteConsoleA(hdl, NULL, 0, &dwFlag, NULL);
+    } else {
+	result = (int) (dwFlag & ENABLE_PROCESSED_OUTPUT);
+    }
+    return result;
+}
+
+/*   Our replacement for the systems _isatty to include also
+     a test for mintty. This is called from the NC_ISATTY macro
+     defined in curses.priv.h
+ */
+int
+_nc_mingw_isatty(int fd)
+{
+    int result = 0;
+
+#ifdef __MING32__
+#define SysISATTY(fd) _isatty(fd)
+#else
+#define SysISATTY(fd) isatty(fd)
+#endif
+    if (SysISATTY(fd)) {
+	result = 1;
+    } else {
+#if WINVER >= 0x0600
+	result = _ismintty(fd, NULL);
+#endif
+    }
+    return result;
+}
+
+/*   This is used when running in terminfo mode to discover,
+     whether or not the "terminal" is actually a Windows
+     Console. It's the responsibility of the console to deal
+     with the terminal escape sequences that are sent by
+     terminfo.
+ */
+int
+_nc_mingw_isconsole(int fd)
+{
+    HANDLE hdl = get_handle(fd);
+    int code = 0;
+
+    T((T_CALLED("win32con::_nc_mingw_isconsole(%d)"), fd));
+
+    code = (int) IsConsoleHandle(hdl);
+
+    returnCode(code);
+}
+
+#define TC_PROLOGUE(fd) \
+    SCREEN *sp;                                               \
+    TERMINAL *term = 0;                                       \
+    int code = ERR;                                           \
+    if (_nc_screen_chain == 0)                                \
+        return 0;                                             \
+    for (each_screen(sp)) {                                   \
+        if (sp->_term && (sp->_term->Filedes == fd)) {        \
+            term = sp->_term;                                 \
+            break;                                            \
+        }                                                     \
+    }                                                         \
+    assert(term != 0)
+
+int
+_nc_mingw_tcsetattr(
+		       int fd,
+		       int optional_action GCC_UNUSED,
+		       const struct termios *arg)
+{
+    TC_PROLOGUE(fd);
+
+    if (_nc_mingw_isconsole(fd)) {
+	DWORD dwFlag = 0;
+	HANDLE ofd = get_handle(fd);
+	if (ofd != INVALID_HANDLE_VALUE) {
+	    if (arg) {
+		if (arg->c_lflag & ICANON)
+		    dwFlag |= ENABLE_LINE_INPUT;
+		else
+		    dwFlag = dwFlag & (DWORD) (~ENABLE_LINE_INPUT);
+
+		if (arg->c_lflag & ECHO)
+		    dwFlag = dwFlag | ENABLE_ECHO_INPUT;
+		else
+		    dwFlag = dwFlag & (DWORD) (~ENABLE_ECHO_INPUT);
+
+		if (arg->c_iflag & BRKINT)
+		    dwFlag |= ENABLE_PROCESSED_INPUT;
+		else
+		    dwFlag = dwFlag & (DWORD) (~ENABLE_PROCESSED_INPUT);
+	    }
+	    dwFlag |= ENABLE_MOUSE_INPUT;
+	    SetConsoleMode(ofd, dwFlag);
+	    code = OK;
+	}
+    }
+    if (arg)
+	term->Nttyb = *arg;
+
+    return code;
+}
+
+int
+_nc_mingw_tcgetattr(int fd, struct termios *arg)
+{
+    TC_PROLOGUE(fd);
+
+    if (_nc_mingw_isconsole(fd)) {
+	if (arg)
+	    *arg = term->Nttyb;
+    }
+    return code;
+}
+
+int
+_nc_mingw_tcflush(int fd, int queue)
+{
+    TC_PROLOGUE(fd);
+    (void) term;
+
+    if (_nc_mingw_isconsole(fd)) {
+	if (queue == TCIFLUSH) {
+	    BOOL b = FlushConsoleInputBuffer(GetStdHandle(STD_INPUT_HANDLE));
+	    if (!b)
+		return (int) GetLastError();
+	}
+    }
+    return code;
+}
+
+int
+_nc_mingw_testmouse(
+		       SCREEN *sp,
+		       HANDLE fd,
+		       int delay
+		       EVENTLIST_2nd(_nc_eventlist * evl))
+{
+    int rc = 0;
+
+    assert(sp);
+
+    if (sp->_drv_mouse_head < sp->_drv_mouse_tail) {
+	rc = TW_MOUSE;
+    } else {
+	rc = console_twait(sp,
+			   fd,
+			   TWAIT_MASK,
+			   delay,
+			   (int *) 0
+			   EVENTLIST_2nd(evl));
+    }
+    return rc;
+}
+
+int
+_nc_mingw_console_read(
+			  SCREEN *sp,
+			  HANDLE fd,
+			  int *buf)
+{
+    int rc = -1;
+    INPUT_RECORD inp_rec;
+    BOOL b;
+    DWORD nRead;
+    WORD vk;
+
+    assert(sp);
+    assert(buf);
+
+    memset(&inp_rec, 0, sizeof(inp_rec));
+
+    T((T_CALLED("_nc_mingw_console_read(%p)"), sp));
+
+    while ((b = ReadConsoleInput(fd, &inp_rec, 1, &nRead))) {
+	if (b && nRead > 0) {
+	    if (rc < 0)
+		rc = 0;
+	    rc = rc + (int) nRead;
+	    if (inp_rec.EventType == KEY_EVENT) {
+		if (!inp_rec.Event.KeyEvent.bKeyDown)
+		    continue;
+		*buf = (int) inp_rec.Event.KeyEvent.uChar.AsciiChar;
+		vk = inp_rec.Event.KeyEvent.wVirtualKeyCode;
+		/*
+		 * There are 24 virtual function-keys, and typically
+		 * 12 function-keys on a keyboard.  Use the shift-modifier
+		 * to provide the remaining 12 keys.
+		 */
+		if (vk >= VK_F1 && vk <= VK_F12) {
+		    if (inp_rec.Event.KeyEvent.dwControlKeyState & SHIFT_PRESSED) {
+			vk = (WORD) (vk + 12);
+		    }
+		}
+		if (*buf == 0) {
+		    int key = MapKey(vk);
+		    if (key < 0)
+			continue;
+		    if (sp->_keypad_on) {
+			*buf = key;
+		    } else {
+			ungetch('\0');
+			*buf = AnsiKey(vk);
+		    }
+		}
+		break;
+	    } else if (inp_rec.EventType == MOUSE_EVENT) {
+		if (handle_mouse(sp,
+				 inp_rec.Event.MouseEvent)) {
+		    *buf = KEY_MOUSE;
+		    break;
+		}
+	    }
+	    continue;
+	}
+    }
+    returnCode(rc);
+}
+
+static bool
+InitConsole(void)
+{
+    /* initialize once, or not at all */
+    if (!console_initialized) {
+	int i;
+	DWORD num_buttons;
+	WORD a;
+	BOOL buffered = TRUE;
+	BOOL b;
+
+	START_TRACE();
+	if (_nc_mingw_isatty(0)) {
+	    CON.isMinTTY = TRUE;
+	}
+
+	for (i = 0; i < (N_INI + FKEYS); i++) {
+	    if (i < N_INI) {
+		CON.rmap[i] = CON.map[i] =
+		    (DWORD) keylist[i];
+		CON.ansi_map[i] = (DWORD) ansi_keys[i];
+	    } else {
+		CON.rmap[i] = CON.map[i] =
+		    (DWORD) GenMap((VK_F1 + (i - N_INI)),
+				   (KEY_F(1) + (i - N_INI)));
+		CON.ansi_map[i] =
+		    (DWORD) GenMap((VK_F1 + (i - N_INI)),
+				   (';' + (i - N_INI)));
+	    }
+	}
+	qsort(CON.ansi_map,
+	      (size_t) (MAPSIZE),
+	      sizeof(keylist[0]),
+	      keycompare);
+	qsort(CON.map,
+	      (size_t) (MAPSIZE),
+	      sizeof(keylist[0]),
+	      keycompare);
+	qsort(CON.rmap,
+	      (size_t) (MAPSIZE),
+	      sizeof(keylist[0]),
+	      rkeycompare);
+
+	if (GetNumberOfConsoleMouseButtons(&num_buttons)) {
+	    CON.numButtons = (int) num_buttons;
+	} else {
+	    CON.numButtons = 1;
+	}
+
+	a = MapColor(true, COLOR_WHITE) | MapColor(false, COLOR_BLACK);
+	for (i = 0; i < NUMPAIRS; i++)
+	    CON.pairs[i] = a;
+
+	CON.inp = GetStdHandle(STD_INPUT_HANDLE);
+	CON.out = GetStdHandle(STD_OUTPUT_HANDLE);
+
+	b = AllocConsole();
+
+	if (!b)
+	    b = AttachConsole(ATTACH_PARENT_PROCESS);
+
+	if (getenv("NCGDB") || getenv("NCURSES_CONSOLE2")) {
+	    T(("... will not buffer console"));
+	    buffered = FALSE;
+	    CON.hdl = CON.out;
+	} else {
+	    T(("... creating console buffer"));
+	    CON.hdl = CreateConsoleScreenBuffer(GENERIC_READ | GENERIC_WRITE,
+						0,
+						NULL,
+						CONSOLE_TEXTMODE_BUFFER,
+						NULL);
+	}
+
+	if (CON.hdl != INVALID_HANDLE_VALUE) {
+	    CON.buffered = buffered;
+	    get_SBI();
+	    CON.save_SBI = CON.SBI;
+	    if (!buffered) {
+		save_original_screen();
+		set_scrollback(FALSE, &CON.SBI);
+	    }
+	    GetConsoleCursorInfo(CON.hdl, &CON.save_CI);
+	    T(("... initial cursor is %svisible, %d%%",
+	       (CON.save_CI.bVisible ? "" : "not-"),
+	       (int) CON.save_CI.dwSize));
+	}
+
+	console_initialized = TRUE;
+    }
+    return (CON.hdl != INVALID_HANDLE_VALUE);
+}
+
+static bool
+okConsoleHandle(TERMINAL_CONTROL_BLOCK * TCB)
+{
+    return ((TCB != 0) &&
+	    (TCB->magic == WINMAGIC) &&
+	    InitConsole());
+}
+
+/*
+ * While a constructor would ensure that this module is initialized, that will
+ * interfere with applications that may combine this with GUI interfaces.
+ */
+#if 0
+static
+__attribute__((constructor))
+     void _enter_console(void)
+{
+    (void) InitConsole();
+}
+#endif