1 files changed, 82 insertions, 0 deletions
diff --git a/contrib/gnu-sort/lib/xstrtol.h b/contrib/gnu-sort/lib/xstrtol.h
new file mode 100644
index 000000000000..513855f14e5d
--- /dev/null
+++ b/contrib/gnu-sort/lib/xstrtol.h
@@ -0,0 +1,82 @@
+/* A more useful interface to strtol.
+   Copyright 1995, 1996, 1998, 1999, 2001 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#ifndef XSTRTOL_H_
+# define XSTRTOL_H_ 1
+
+# if HAVE_INTTYPES_H
+#  include <inttypes.h> /* for uintmax_t */
+# endif
+
+# ifndef PARAMS
+#  if defined PROTOTYPES || (defined __STDC__ && __STDC__)
+#   define PARAMS(Args) Args
+#  else
+#   define PARAMS(Args) ()
+#  endif
+# endif
+
+# ifndef _STRTOL_ERROR
+enum strtol_error
+  {
+    LONGINT_OK, LONGINT_INVALID, LONGINT_INVALID_SUFFIX_CHAR, LONGINT_OVERFLOW
+  };
+typedef enum strtol_error strtol_error;
+# endif
+
+# define _DECLARE_XSTRTOL(name, type) \
+  strtol_error \
+    name PARAMS ((const char *s, char **ptr, int base, \
+		  type *val, const char *valid_suffixes));
+_DECLARE_XSTRTOL (xstrtol, long int)
+_DECLARE_XSTRTOL (xstrtoul, unsigned long int)
+_DECLARE_XSTRTOL (xstrtoimax, intmax_t)
+_DECLARE_XSTRTOL (xstrtoumax, uintmax_t)
+
+# define _STRTOL_ERROR(Exit_code, Str, Argument_type_string, Err)	\
+  do									\
+    {									\
+      switch ((Err))							\
+	{								\
+	case LONGINT_OK:						\
+	  abort ();							\
+									\
+	case LONGINT_INVALID:						\
+	  error ((Exit_code), 0, "invalid %s `%s'",			\
+		 (Argument_type_string), (Str));			\
+	  break;							\
+									\
+	case LONGINT_INVALID_SUFFIX_CHAR:				\
+	  error ((Exit_code), 0, "invalid character following %s in `%s'", \
+		 (Argument_type_string), (Str));			\
+	  break;							\
+									\
+	case LONGINT_OVERFLOW:						\
+	  error ((Exit_code), 0, "%s `%s' too large",			\
+		 (Argument_type_string), (Str));			\
+	  break;							\
+	}								\
+    }									\
+  while (0)
+
+# define STRTOL_FATAL_ERROR(Str, Argument_type_string, Err)		\
+  _STRTOL_ERROR (2, Str, Argument_type_string, Err)
+
+# define STRTOL_FAIL_WARN(Str, Argument_type_string, Err)		\
+  _STRTOL_ERROR (0, Str, Argument_type_string, Err)
+
+#endif /* not XSTRTOL_H_ */