Annotation of src/lib/libc/regex/regfree.c, Revision 1.10
1.10 ! lukem 1: /* $NetBSD: regfree.c,v 1.9 1998/12/08 13:49:46 drochner Exp $ */
1.4 cgd 2:
1.3 cgd 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. All advertising materials mentioning features or use of this software
20: * must display the following acknowledgement:
21: * This product includes software developed by the University of
22: * California, Berkeley and its contributors.
23: * 4. Neither the name of the University nor the names of its contributors
24: * may be used to endorse or promote products derived from this software
25: * without specific prior written permission.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37: * SUCH DAMAGE.
38: *
39: * @(#)regfree.c 8.3 (Berkeley) 3/20/94
40: */
41:
1.5 christos 42: #include <sys/cdefs.h>
1.3 cgd 43: #if defined(LIBC_SCCS) && !defined(lint)
1.4 cgd 44: #if 0
1.3 cgd 45: static char sccsid[] = "@(#)regfree.c 8.3 (Berkeley) 3/20/94";
1.4 cgd 46: #else
1.10 ! lukem 47: __RCSID("$NetBSD: regfree.c,v 1.9 1998/12/08 13:49:46 drochner Exp $");
1.4 cgd 48: #endif
1.3 cgd 49: #endif /* LIBC_SCCS and not lint */
50:
1.6 jtc 51: #include "namespace.h"
1.1 jtc 52: #include <sys/types.h>
1.10 ! lukem 53:
! 54: #include <assert.h>
! 55: #include <regex.h>
1.1 jtc 56: #include <stdio.h>
57: #include <stdlib.h>
1.6 jtc 58:
59: #ifdef __weak_alias
60: __weak_alias(regfree,_regfree);
61: #endif
1.1 jtc 62:
63: #include "utils.h"
64: #include "regex2.h"
65:
66: /*
67: - regfree - free everything
1.2 jtc 68: = extern void regfree(regex_t *);
1.1 jtc 69: */
70: void
71: regfree(preg)
72: regex_t *preg;
73: {
1.7 perry 74: struct re_guts *g;
1.1 jtc 75:
1.10 ! lukem 76: _DIAGASSERT(preg != NULL);
! 77: #ifdef _DIAGNOSTIC
! 78: if (preg == NULL)
! 79: return;
! 80: #endif
! 81:
! 82: _DIAGASSERT(preg->re_magic == MAGIC1);
1.1 jtc 83: if (preg->re_magic != MAGIC1) /* oops */
84: return; /* nice to complain, but hard */
85:
86: g = preg->re_g;
87: if (g == NULL || g->magic != MAGIC2) /* oops again */
88: return;
89: preg->re_magic = 0; /* mark it invalid */
90: g->magic = 0; /* mark it invalid */
91:
92: if (g->strip != NULL)
1.8 christos 93: free(g->strip);
1.1 jtc 94: if (g->sets != NULL)
1.8 christos 95: free(g->sets);
1.1 jtc 96: if (g->setbits != NULL)
1.9 drochner 97: free(g->setbits);
1.1 jtc 98: if (g->must != NULL)
99: free(g->must);
1.8 christos 100: free(g);
1.1 jtc 101: }
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