e1e595a649
* Makefile.in (install-headers): Remove extra command to install regex.h. (uninstall-headers): Remove extra command to uninstall regex.h. * nlsfuncs.cc (collate_lcid): Make externally available to allow access to collation internals from regex functions. (collate_charset): Ditto. * wchar.h: Add __cplusplus guards to make C-clean. * include/regex.h: New file, replacing regex/regex.h. Remove UCB advertising clause. * regex/COPYRIGHT: Accommodate BSD license. Remove UCB advertising clause. * regex/cclass.h: Remove. * regex/cname.h: New file from FreeBSD. * regex/engine.c: Ditto. (NONCHAR): Tweak for Cygwin. * regex/engine.ih: Remove. * regex/mkh: Remove. * regex/regcomp.c: New file from FreeBSD. Tweak slightly for Cygwin. Import required collate internals from nlsfunc.cc. (p_ere_exp): Add GNU-specific \< and \> handling for word boundaries. (p_simp_re): Ditto. (__collate_range_cmp): Define. (p_b_term): Use Cygwin-specific collate internals. (findmust): Ditto. * regex/regcomp.ih: Remove. * regex/regerror.c: New file from FreeBSD. Fix a few compiler warnings. * regex/regerror.ih: Remove. * regex/regex.7: New file from FreeBSD. Remove UCB advertising clause. * regex/regex.h: Remove. Replaced by include/regex.h. * regex/regexec.c: New file from FreeBSD. Fix a few compiler warnings. * regex/regfree.c: New file from FreeBSD. * regex/tests: Remove. * regex/utils.h: New file from FreeBSD.
90 lines
2.9 KiB
C
90 lines
2.9 KiB
C
/*-
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* Copyright (c) 1992, 1993, 1994 Henry Spencer.
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* Copyright (c) 1992, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Henry Spencer.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)regfree.c 8.3 (Berkeley) 3/20/94
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static char sccsid[] = "@(#)regfree.c 8.3 (Berkeley) 3/20/94";
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#endif /* LIBC_SCCS and not lint */
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD: src/lib/libc/regex/regfree.c,v 1.8 2007/06/11 03:05:54 delphij Exp $");
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#include <sys/types.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <limits.h>
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#include <regex.h>
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#include <wchar.h>
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#include <wctype.h>
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#include "utils.h"
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#include "regex2.h"
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/*
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- regfree - free everything
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= extern void regfree(regex_t *);
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*/
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void
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regfree(regex_t *preg)
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{
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struct re_guts *g;
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int i;
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if (preg->re_magic != MAGIC1) /* oops */
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return; /* nice to complain, but hard */
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g = preg->re_g;
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if (g == NULL || g->magic != MAGIC2) /* oops again */
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return;
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preg->re_magic = 0; /* mark it invalid */
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g->magic = 0; /* mark it invalid */
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if (g->strip != NULL)
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free((char *)g->strip);
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if (g->sets != NULL) {
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for (i = 0; i < g->ncsets; i++) {
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free(g->sets[i].ranges);
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free(g->sets[i].wides);
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free(g->sets[i].types);
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}
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free((char *)g->sets);
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}
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if (g->must != NULL)
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free(g->must);
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if (g->charjump != NULL)
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free(&g->charjump[CHAR_MIN]);
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if (g->matchjump != NULL)
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free(g->matchjump);
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free((char *)g);
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}
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