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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 | */ | |
49 | void | |
50 | llvm_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 | } |