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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, 19946 * The Regents of the University of California. All rights reserved.7 *8 * This code is derived from software contributed to Berkeley by9 * Henry Spencer.10 *11 * Redistribution and use in source and binary forms, with or without12 * modification, are permitted provided that the following conditions13 * are met:14 * 1. Redistributions of source code must retain the above copyright15 * notice, this list of conditions and the following disclaimer.16 * 2. Redistributions in binary form must reproduce the above copyright17 * notice, this list of conditions and the following disclaimer in the18 * documentation and/or other materials provided with the distribution.19 * 3. Neither the name of the University nor the names of its contributors20 * may be used to endorse or promote products derived from this software21 * without specific prior written permission.22 *23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF33 * SUCH DAMAGE.34 *35 * @(#)regfree.c 8.3 (Berkeley) 3/20/9436 */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 everything48 */49void50llvm_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}73