1/*-
2 * This code is derived from OpenBSD's libc/regex, original license follows:
3 *
4 * Copyright (c) 1992, 1993, 1994 Henry Spencer.
5 * Copyright (c) 1992, 1993, 1994
6 *	The Regents of the University of California.  All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * Henry Spencer.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 *	@(#)regfree.c	8.3 (Berkeley) 3/20/94
36 */
37
38#include <sys/types.h>
39#include <stdio.h>
40#include <stdlib.h>
41#include "regex_impl.h"
42
43#include "regutils.h"
44#include "regex2.h"
45
46/*
47 - llvm_regfree - free everything
48 */
49void
50llvm_regfree(llvm_regex_t *preg)
51{
52	struct re_guts *g;
53
54	if (preg->re_magic != MAGIC1)	/* oops */
55		return;			/* nice to complain, but hard */
56
57	g = preg->re_g;
58	if (g == NULL || g->magic != MAGIC2)	/* oops again */
59		return;
60	preg->re_magic = 0;		/* mark it invalid */
61	g->magic = 0;			/* mark it invalid */
62
63	if (g->strip != NULL)
64		free((char *)g->strip);
65	if (g->sets != NULL)
66		free((char *)g->sets);
67	if (g->setbits != NULL)
68		free((char *)g->setbits);
69	if (g->must != NULL)
70		free(g->must);
71	free((char *)g);
72}
73