1 |
9 |
jlechner |
/*-
|
2 |
|
|
* Copyright (c) 1992, 1993, 1994 Henry Spencer.
|
3 |
|
|
* Copyright (c) 1992, 1993, 1994
|
4 |
|
|
* The Regents of the University of California. All rights reserved.
|
5 |
|
|
*
|
6 |
|
|
* This code is derived from software contributed to Berkeley by
|
7 |
|
|
* Henry Spencer.
|
8 |
|
|
*
|
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 |
|
|
* 4. Neither the name of the University nor the names of its contributors
|
18 |
|
|
* may be used to endorse or promote products derived from this software
|
19 |
|
|
* without specific prior written permission.
|
20 |
|
|
*
|
21 |
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
22 |
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
23 |
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
24 |
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
25 |
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
26 |
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
27 |
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
28 |
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
29 |
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
30 |
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
31 |
|
|
* SUCH DAMAGE.
|
32 |
|
|
*
|
33 |
|
|
* @(#)regfree.c 8.3 (Berkeley) 3/20/94
|
34 |
|
|
*/
|
35 |
|
|
|
36 |
|
|
#ifndef _NO_REGEX
|
37 |
|
|
|
38 |
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
39 |
|
|
static char sccsid[] = "@(#)regfree.c 8.3 (Berkeley) 3/20/94";
|
40 |
|
|
#endif /* LIBC_SCCS and not lint */
|
41 |
|
|
#include <sys/cdefs.h>
|
42 |
|
|
|
43 |
|
|
#include <sys/types.h>
|
44 |
|
|
#include <stdio.h>
|
45 |
|
|
#include <stdlib.h>
|
46 |
|
|
#include <limits.h>
|
47 |
|
|
#include <regex.h>
|
48 |
|
|
|
49 |
|
|
#include "utils.h"
|
50 |
|
|
#include "regex2.h"
|
51 |
|
|
|
52 |
|
|
/*
|
53 |
|
|
- regfree - free everything
|
54 |
|
|
= extern void regfree(regex_t *);
|
55 |
|
|
*/
|
56 |
|
|
void
|
57 |
|
|
regfree(preg)
|
58 |
|
|
regex_t *preg;
|
59 |
|
|
{
|
60 |
|
|
struct re_guts *g;
|
61 |
|
|
|
62 |
|
|
if (preg->re_magic != MAGIC1) /* oops */
|
63 |
|
|
return; /* nice to complain, but hard */
|
64 |
|
|
|
65 |
|
|
g = preg->re_g;
|
66 |
|
|
if (g == NULL || g->magic != MAGIC2) /* oops again */
|
67 |
|
|
return;
|
68 |
|
|
preg->re_magic = 0; /* mark it invalid */
|
69 |
|
|
g->magic = 0; /* mark it invalid */
|
70 |
|
|
|
71 |
|
|
if (g->strip != NULL)
|
72 |
|
|
free((char *)g->strip);
|
73 |
|
|
if (g->sets != NULL)
|
74 |
|
|
free((char *)g->sets);
|
75 |
|
|
if (g->setbits != NULL)
|
76 |
|
|
free((char *)g->setbits);
|
77 |
|
|
if (g->must != NULL)
|
78 |
|
|
free(g->must);
|
79 |
|
|
if (g->charjump != NULL)
|
80 |
|
|
free(&g->charjump[CHAR_MIN]);
|
81 |
|
|
if (g->matchjump != NULL)
|
82 |
|
|
free(g->matchjump);
|
83 |
|
|
free((char *)g);
|
84 |
|
|
}
|
85 |
|
|
|
86 |
|
|
#endif /* !_NO_REGEX */
|