| 1 | /*-
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| 2 | * Copyright (c) 1992, 1993, 1994 Henry Spencer.
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| 3 | * Copyright (c) 1992, 1993, 1994
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| 4 | * The Regents of the University of California. All rights reserved.
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| 5 | *
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| 6 | * This code is derived from software contributed to Berkeley by
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| 7 | * Henry Spencer.
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| 8 | *
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| 9 | * Redistribution and use in source and binary forms, with or without
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| 10 | * modification, are permitted provided that the following conditions
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| 11 | * are met:
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| 12 | * 1. Redistributions of source code must retain the above copyright
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| 13 | * notice, this list of conditions and the following disclaimer.
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| 14 | * 2. Redistributions in binary form must reproduce the above copyright
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| 15 | * notice, this list of conditions and the following disclaimer in the
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| 16 | * documentation and/or other materials provided with the distribution.
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| 17 | * 3. All advertising materials mentioning features or use of this software
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| 18 | * must display the following acknowledgement:
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| 19 | * This product includes software developed by the University of
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| 20 | * California, Berkeley and its contributors.
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| 21 | * 4. Neither the name of the University nor the names of its contributors
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| 22 | * may be used to endorse or promote products derived from this software
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| 23 | * without specific prior written permission.
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| 24 | *
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| 25 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 26 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 27 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 28 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 30 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 31 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 32 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 33 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 34 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 35 | * SUCH DAMAGE.
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| 36 | *
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| 37 | * @(#)regfree.c 8.3 (Berkeley) 3/20/94
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| 38 | */
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| 39 |
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| 40 | #if defined(LIBC_SCCS) && !defined(lint)
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| 41 | static char sccsid[] = "@(#)regfree.c 8.3 (Berkeley) 3/20/94";
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| 42 | #endif /* LIBC_SCCS and not lint */
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| 43 |
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| 44 | #include <sys/types.h>
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| 45 | #include <stdio.h>
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| 46 | #include <stdlib.h>
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| 47 | #include <regex.h>
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| 48 |
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| 49 | #include "utils.h"
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| 50 | #include "regex2.h"
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| 51 |
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| 52 | /*
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| 53 | - regfree - free everything
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| 54 | = extern void regfree(regex_t *);
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| 55 | */
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| 56 | void
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| 57 | regfree(preg)
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| 58 | regex_t *preg;
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| 59 | {
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| 60 | register struct re_guts *g;
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| 61 |
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| 62 | if (preg->re_magic != MAGIC1) /* oops */
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| 63 | return; /* nice to complain, but hard */
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| 64 |
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| 65 | g = preg->re_g;
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| 66 | if (g == NULL || g->magic != MAGIC2) /* oops again */
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| 67 | return;
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| 68 | preg->re_magic = 0; /* mark it invalid */
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| 69 | g->magic = 0; /* mark it invalid */
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| 70 |
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| 71 | if (g->strip != NULL)
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| 72 | free((char *)g->strip);
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| 73 | if (g->sets != NULL)
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| 74 | free((char *)g->sets);
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| 75 | if (g->setbits != NULL)
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| 76 | free((char *)g->setbits);
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| 77 | if (g->must != NULL)
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| 78 | free(g->must);
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| 79 | free((char *)g);
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| 80 | }
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| 81 |
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| 82 | /*
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| 83 | * $PchId: regfree.c,v 1.2 1996/03/12 19:10:15 philip Exp $
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| 84 | */
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