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Commit	Line	Data
	1	/*
	2	* Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	6	* The contents of this file constitute Original Code as defined in and
	7	* are subject to the Apple Public Source License Version 1.1 (the
	8	* "License"). You may not use this file except in compliance with the
	9	* License. Please obtain a copy of the License at
	10	* http://www.apple.com/publicsource and read it before using this file.
	11	*
	12	* This Original Code and all software distributed under the License are
	13	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	17	* License for the specific language governing rights and limitations
	18	* under the License.
	19	*
	20	* @APPLE_LICENSE_HEADER_END@
	21	*/
	22	/*
	23	* Copyright (c) 1992, 1993, 1994
	24	* The Regents of the University of California. All rights reserved.
	25	*
	26	* This code is derived from software contributed to Berkeley by
	27	* Henry Spencer.
	28	*
	29	* Redistribution and use in source and binary forms, with or without
	30	* modification, are permitted provided that the following conditions
	31	* are met:
	32	* 1. Redistributions of source code must retain the above copyright
	33	* notice, this list of conditions and the following disclaimer.
	34	* 2. Redistributions in binary form must reproduce the above copyright
	35	* notice, this list of conditions and the following disclaimer in the
	36	* documentation and/or other materials provided with the distribution.
	37	* 3. All advertising materials mentioning features or use of this software
	38	* must display the following acknowledgement:
	39	* This product includes software developed by the University of
	40	* California, Berkeley and its contributors.
	41	* 4. Neither the name of the University nor the names of its contributors
	42	* may be used to endorse or promote products derived from this software
	43	* without specific prior written permission.
	44	*
	45	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	46	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	47	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	48	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	49	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	50	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	51	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	52	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	53	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	54	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	55	* SUCH DAMAGE.
	56	*/
	57
	58	#if defined(LIBC_SCCS) && !defined(lint)
	59	static char sccsid[] = "@(#)regfree.c 8.3 (Berkeley) 3/20/94";
	60	#endif /* LIBC_SCCS and not lint */
	61
	62	#include <sys/types.h>
	63	#include <stdio.h>
	64	#include <stdlib.h>
	65	#include <regex.h>
	66
	67	#include "utils.h"
	68	#include "regex2.h"
	69
	70	/*
	71	- regfree - free everything
	72	= extern void regfree(regex_t *);
	73	*/
	74	void
	75	regfree(preg)
	76	regex_t *preg;
	77	{
	78	register struct re_guts *g;
	79
	80	if (preg->re_magic != MAGIC1) /* oops */
	81	return; /* nice to complain, but hard */
	82
	83	g = preg->re_g;
	84	if (g == NULL \|\| g->magic != MAGIC2) /* oops again */
	85	return;
	86	preg->re_magic = 0; /* mark it invalid */
	87	g->magic = 0; /* mark it invalid */
	88
	89	if (g->strip != NULL)
	90	free((char *)g->strip);
	91	if (g->sets != NULL)
	92	free((char *)g->sets);
	93	if (g->setbits != NULL)
	94	free((char *)g->setbits);
	95	if (g->must != NULL)
	96	free(g->must);
	97	free((char *)g);
	98	}