diff options
Diffstat (limited to 'gnu/lib/libregex/posix/regex.h')
| -rw-r--r-- | gnu/lib/libregex/posix/regex.h | 67 |
1 files changed, 47 insertions, 20 deletions
diff --git a/gnu/lib/libregex/posix/regex.h b/gnu/lib/libregex/posix/regex.h index 63c2fef6967b..b2d9a62fec97 100644 --- a/gnu/lib/libregex/posix/regex.h +++ b/gnu/lib/libregex/posix/regex.h @@ -1,28 +1,29 @@ /* Definitions for data structures and routines for the regular - expression library, version 0.12. - Copyright (C) 1985,1989-1993,1995-1998, 2000 Free Software Foundation, Inc. - - This file is part of the GNU C Library. Its master source is NOT part of - the C library, however. The master source lives in /gd/gnu/lib. + expression library. + Copyright (C) 1985,1989-93,1995-98,2000,2001,2002,2003 + Free Software Foundation, Inc. + This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. + Lesser General Public License for more details. - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ #ifndef _REGEX_H #define _REGEX_H 1 +#include <sys/types.h> + /* Allow the use in C++ code. */ #ifdef __cplusplus extern "C" { @@ -165,6 +166,23 @@ typedef unsigned long int reg_syntax_t; treated as 'a\{1'. */ #define RE_INVALID_INTERVAL_ORD (RE_DEBUG << 1) +/* If this bit is set, then ignore case when matching. + If not set, then case is significant. */ +#define RE_ICASE (RE_INVALID_INTERVAL_ORD << 1) + +/* This bit is used internally like RE_CONTEXT_INDEP_ANCHORS but only + for ^, because it is difficult to scan the regex backwards to find + whether ^ should be special. */ +#define RE_CARET_ANCHORS_HERE (RE_ICASE << 1) + +/* If this bit is set, then \{ cannot be first in an bre or + immediately after an alternation or begin-group operator. */ +#define RE_CONTEXT_INVALID_DUP (RE_CARET_ANCHORS_HERE << 1) + +/* If this bit is set, then no_sub will be set to 1 during + re_compile_pattern. */ +#define RE_NO_SUB (RE_CONTEXT_INVALID_DUP << 1) + /* This global variable defines the particular regexp syntax to use (for some interfaces). When a regexp is compiled, the syntax used is stored in the pattern buffer, so changing this does not affect @@ -186,7 +204,8 @@ extern reg_syntax_t re_syntax_options; #define RE_SYNTAX_GNU_AWK \ ((RE_SYNTAX_POSIX_EXTENDED | RE_BACKSLASH_ESCAPE_IN_LISTS | RE_DEBUG) \ - & ~(RE_DOT_NOT_NULL | RE_INTERVALS | RE_CONTEXT_INDEP_OPS)) + & ~(RE_DOT_NOT_NULL | RE_INTERVALS | RE_CONTEXT_INDEP_OPS \ + | RE_CONTEXT_INVALID_OPS )) #define RE_SYNTAX_POSIX_AWK \ (RE_SYNTAX_POSIX_EXTENDED | RE_BACKSLASH_ESCAPE_IN_LISTS \ @@ -218,7 +237,7 @@ extern reg_syntax_t re_syntax_options; | RE_INTERVALS | RE_NO_EMPTY_RANGES) #define RE_SYNTAX_POSIX_BASIC \ - (_RE_SYNTAX_POSIX_COMMON | RE_BK_PLUS_QM) + (_RE_SYNTAX_POSIX_COMMON | RE_BK_PLUS_QM | RE_CONTEXT_INVALID_DUP) /* Differs from ..._POSIX_BASIC only in that RE_BK_PLUS_QM becomes RE_LIMITED_OPS, i.e., \? \+ \| are not recognized. Actually, this @@ -283,6 +302,10 @@ extern reg_syntax_t re_syntax_options; /* Like REG_NOTBOL, except for the end-of-line. */ #define REG_NOTEOL (1 << 1) +/* Use PMATCH[0] to delimit the start and end of the search in the + buffer. */ +#define REG_STARTEND (1 << 2) + /* If any error codes are removed, changed, or added, update the `re_error_msg' table in regex.c. */ @@ -298,7 +321,7 @@ typedef enum /* POSIX regcomp return error codes. (In the order listed in the standard.) */ REG_BADPAT, /* Invalid pattern. */ - REG_ECOLLATE, /* Not implemented. */ + REG_ECOLLATE, /* Inalid collating element. */ REG_ECTYPE, /* Invalid character class name. */ REG_EESCAPE, /* Trailing backslash. */ REG_ESUBREG, /* Invalid back reference. */ @@ -530,10 +553,14 @@ extern int re_exec _RE_ARGS ((const char *)); # endif # endif #endif -/* For now unconditionally define __restrict_arr to expand to nothing. - Ideally we would have a test for the compiler which allows defining - it to restrict. */ -#define __restrict_arr +/* gcc 3.1 and up support the [restrict] syntax. */ +#ifndef __restrict_arr +# if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1) +# define __restrict_arr __restrict +# else +# define __restrict_arr +# endif +#endif /* POSIX compatibility. */ extern int regcomp _RE_ARGS ((regex_t *__restrict __preg, |