| /* $NetBSD: regfree.c,v 1.15 2007/02/09 23:44:18 junyoung Exp $ */ |
| |
| /*- |
| * Copyright (c) 1992, 1993, 1994 |
| * The Regents of the University of California. All rights reserved. |
| * |
| * This code is derived from software contributed to Berkeley by |
| * Henry Spencer. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of the University nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * @(#)regfree.c 8.3 (Berkeley) 3/20/94 |
| */ |
| |
| /*- |
| * Copyright (c) 1992, 1993, 1994 Henry Spencer. |
| * |
| * This code is derived from software contributed to Berkeley by |
| * Henry Spencer. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. All advertising materials mentioning features or use of this software |
| * must display the following acknowledgement: |
| * This product includes software developed by the University of |
| * California, Berkeley and its contributors. |
| * 4. Neither the name of the University nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * @(#)regfree.c 8.3 (Berkeley) 3/20/94 |
| */ |
| |
| #include <sys/cdefs.h> |
| #if defined(LIBC_SCCS) && !defined(lint) |
| #if 0 |
| static char sccsid[] = "@(#)regfree.c 8.3 (Berkeley) 3/20/94"; |
| #else |
| __RCSID("$NetBSD: regfree.c,v 1.15 2007/02/09 23:44:18 junyoung Exp $"); |
| #endif |
| #endif /* LIBC_SCCS and not lint */ |
| |
| #include "namespace.h" |
| #include <sys/types.h> |
| |
| #include <assert.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <regex.h> |
| |
| #ifdef __weak_alias |
| __weak_alias(regfree,_regfree) |
| #endif |
| |
| #include "utils.h" |
| #include "regex2.h" |
| |
| /* |
| - regfree - free everything |
| = extern void regfree(regex_t *); |
| */ |
| void |
| regfree( |
| regex_t *preg) |
| { |
| struct re_guts *g; |
| |
| _DIAGASSERT(preg != NULL); |
| |
| _DIAGASSERT(preg->re_magic == MAGIC1); |
| if (preg->re_magic != MAGIC1) /* oops */ |
| return; /* nice to complain, but hard */ |
| |
| g = preg->re_g; |
| if (g == NULL || g->magic != MAGIC2) /* oops again */ |
| return; |
| preg->re_magic = 0; /* mark it invalid */ |
| g->magic = 0; /* mark it invalid */ |
| |
| if (g->strip != NULL) |
| free(g->strip); |
| if (g->sets != NULL) |
| free(g->sets); |
| if (g->setbits != NULL) |
| free(g->setbits); |
| if (g->must != NULL) |
| free(g->must); |
| free(g); |
| } |