glibc/misc/regexp.c
Andreas Jaeger 41bdb6e20c Update to LGPL v2.1.
2001-07-06  Paul Eggert  <eggert@twinsun.com>

	* manual/argp.texi: Remove ignored LGPL copyright notice; it's
	not appropriate for documentation anyway.
	* manual/libc-texinfo.sh: "Library General Public License" ->
	"Lesser General Public License".

2001-07-06  Andreas Jaeger  <aj@suse.de>

	* All files under GPL/LGPL version 2: Place under LGPL version
	2.1.
2001-07-06 04:58:11 +00:00

79 lines
2.7 KiB
C

/* Define function and variables for the obsolete <regexp.h> interface.
Copyright (C) 1996, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
The GNU C Library is free software; you can redistribute it and/or
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
Lesser General Public License for more details.
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. */
#define __DO_NOT_DEFINE_COMPILE
#include <regexp.h>
/* Define the variables used for the interface. */
char *loc1;
char *loc2;
/* Although we do not support the use we define this variable as well. */
char *locs;
/* Find the next match in STRING. The compiled regular expression is
found in the buffer starting at EXPBUF. `loc1' will return the
first character matched and `loc2' points to the next unmatched
character. */
extern int __step (const char *string, const char *expbuf);
int
__step (const char *string, const char *expbuf)
{
regmatch_t match; /* We only need info about the full match. */
expbuf += __alignof (regex_t *);
expbuf -= (expbuf - ((const char *) 0)) % __alignof__ (regex_t *);
if (__regexec ((const regex_t *) expbuf, string, 1, &match, REG_NOTEOL)
== REG_NOMATCH)
return 0;
loc1 = (char *) string + match.rm_so;
loc2 = (char *) string + match.rm_eo;
return 1;
}
weak_alias (__step, step)
/* Match the beginning of STRING with the compiled regular expression
in EXPBUF. If the match is successful `loc2' will contain the
position of the first unmatched character. */
extern int __advance (const char *string, const char *expbuf);
int
__advance (const char *string, const char *expbuf)
{
regmatch_t match; /* We only need info about the full match. */
expbuf += __alignof__ (regex_t *);
expbuf -= (expbuf - ((const char *) 0)) % __alignof__ (regex_t *);
if (__regexec ((const regex_t *) expbuf, string, 1, &match, REG_NOTEOL)
== REG_NOMATCH
/* We have to check whether the check is at the beginning of the
buffer. */
|| match.rm_so != 0)
return 0;
loc2 = (char *) string + match.rm_eo;
return 1;
}
weak_alias (__advance, advance)