[apple/libc.git] / regex / regfree-fbsd.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.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 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: src/lib/libc/regex/regfree.c,v 1.6 2004/07/12 07:35:59 tjr Exp $");

#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(preg)
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(g->sets[i].equiv_classes);
		}
		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);
}
Commit	Line	Data
9385eb3d	1	/*-
224c7076 A	2	* Copyright (c) 1992, 1993, 1994 Henry Spencer.
224c7076 A	3	* Copyright (c) 1992, 1993, 1994
e9ce8d39 A	4	* The Regents of the University of California. All rights reserved.
e9ce8d39 A	5	*
224c7076 A	6	* This code is derived from software contributed to Berkeley by
	7	* Henry Spencer.
	8	*
e9ce8d39 A	9	* Redistribution and use in source and binary forms, with or without
	10	* modification, are permitted provided that the following conditions
	11	* are met:
	12	* 1. Redistributions of source code must retain the above copyright
	13	* notice, this list of conditions and the following disclaimer.
	14	* 2. Redistributions in binary form must reproduce the above copyright
	15	* notice, this list of conditions and the following disclaimer in the
	16	* documentation and/or other materials provided with the distribution.
	17	* 3. All advertising materials mentioning features or use of this software
	18	* must display the following acknowledgement:
	19	* This product includes software developed by the University of
	20	* California, Berkeley and its contributors.
	21	* 4. Neither the name of the University nor the names of its contributors
	22	* may be used to endorse or promote products derived from this software
	23	* without specific prior written permission.
	24	*
	25	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	26	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	27	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	28	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	29	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	30	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	31	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	32	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	33	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	34	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	35	* SUCH DAMAGE.
224c7076 A	36	*
224c7076 A	37	* @(#)regfree.c 8.3 (Berkeley) 3/20/94
e9ce8d39 A	38	*/
e9ce8d39 A	39
5b2abdfb	40	#if defined(LIBC_SCCS) && !defined(lint)
224c7076	41	static char sccsid[] = "@(#)regfree.c 8.3 (Berkeley) 3/20/94";
5b2abdfb	42	#endif /* LIBC_SCCS and not lint */
9385eb3d	43	#include <sys/cdefs.h>
224c7076 A	44	__FBSDID("$FreeBSD: src/lib/libc/regex/regfree.c,v 1.6 2004/07/12 07:35:59 tjr Exp $");
	45
	46	#include <sys/types.h>
	47	#include <stdio.h>
	48	#include <stdlib.h>
	49	#include <limits.h>
	50	#include <regex.h>
	51	#include <wchar.h>
	52	#include <wctype.h>
e9ce8d39	53
224c7076 A	54	#include "utils.h"
224c7076 A	55	#include "regex2.h"
e9ce8d39 A	56
e9ce8d39 A	57	/*
224c7076 A	58	- regfree - free everything
224c7076 A	59	= extern void regfree(regex_t *);
e9ce8d39	60	*/
224c7076 A	61	void
	62	regfree(preg)
	63	regex_t *preg;
e9ce8d39	64	{
224c7076 A	65	struct re_guts *g;
	66	int i;
	67
	68	if (preg->re_magic != MAGIC1) /* oops */
	69	return; /* nice to complain, but hard */
	70
	71	g = preg->re_g;
	72	if (g == NULL \|\| g->magic != MAGIC2) /* oops again */
	73	return;
	74	preg->re_magic = 0; /* mark it invalid */
	75	g->magic = 0; /* mark it invalid */
e9ce8d39	76
224c7076 A	77	if (g->strip != NULL)
	78	free((char *)g->strip);
	79	if (g->sets != NULL) {
	80	for (i = 0; i < g->ncsets; i++) {
	81	free(g->sets[i].ranges);
	82	free(g->sets[i].wides);
	83	free(g->sets[i].types);
	84	free(g->sets[i].equiv_classes);
	85	}
	86	free((char *)g->sets);
	87	}
	88	if (g->must != NULL)
	89	free(g->must);
	90	if (g->charjump != NULL)
	91	free(&g->charjump[CHAR_MIN]);
	92	if (g->matchjump != NULL)
	93	free(g->matchjump);
	94	free((char *)g);
e9ce8d39	95	}