90 lines
2.9 KiB
C
90 lines
2.9 KiB
C
/*-
|
|
* Copyright (c) 1992, 1993, 1994 Henry Spencer.
|
|
* Copyright (c) 1992, 1993, 1994
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Henry Spencer.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* @(#)regfree.c 8.3 (Berkeley) 3/20/94
|
|
*/
|
|
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
static char sccsid[] = "@(#)regfree.c 8.3 (Berkeley) 3/20/94";
|
|
#endif /* LIBC_SCCS and not lint */
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/types.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <limits.h>
|
|
#include <regex.h>
|
|
#include <wchar.h>
|
|
#include <wctype.h>
|
|
|
|
#include "utils.h"
|
|
#include "regex2.h"
|
|
|
|
/*
|
|
- regfree - free everything
|
|
= extern void regfree(regex_t *);
|
|
*/
|
|
void
|
|
regfree(regex_t *preg)
|
|
{
|
|
struct re_guts *g;
|
|
int i;
|
|
|
|
if (preg->re_magic != MAGIC1) /* oops */
|
|
return; /* nice to complain, but hard */
|
|
|
|
g = preg->re_g;
|
|
if (g == NULL || g->magic != MAGIC2) /* oops again */
|
|
return;
|
|
preg->re_magic = 0; /* mark it invalid */
|
|
g->magic = 0; /* mark it invalid */
|
|
|
|
if (g->strip != NULL)
|
|
free((char *)g->strip);
|
|
if (g->sets != NULL) {
|
|
for (i = 0; i < g->ncsets; i++) {
|
|
free(g->sets[i].ranges);
|
|
free(g->sets[i].wides);
|
|
free(g->sets[i].types);
|
|
}
|
|
free((char *)g->sets);
|
|
}
|
|
if (g->must != NULL)
|
|
free(g->must);
|
|
if (g->charjump != NULL)
|
|
free(&g->charjump[CHAR_MIN]);
|
|
if (g->matchjump != NULL)
|
|
free(g->matchjump);
|
|
free((char *)g);
|
|
}
|