11573Srgrimes/*- 21573Srgrimes * Copyright (c) 1992, 1993, 1994 Henry Spencer. 31573Srgrimes * Copyright (c) 1992, 1993, 1994 41573Srgrimes * The Regents of the University of California. All rights reserved. 51573Srgrimes * 61573Srgrimes * This code is derived from software contributed to Berkeley by 71573Srgrimes * Henry Spencer. 81573Srgrimes * 91573Srgrimes * Redistribution and use in source and binary forms, with or without 101573Srgrimes * modification, are permitted provided that the following conditions 111573Srgrimes * are met: 121573Srgrimes * 1. Redistributions of source code must retain the above copyright 131573Srgrimes * notice, this list of conditions and the following disclaimer. 141573Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 151573Srgrimes * notice, this list of conditions and the following disclaimer in the 161573Srgrimes * documentation and/or other materials provided with the distribution. 171573Srgrimes * 4. Neither the name of the University nor the names of its contributors 181573Srgrimes * may be used to endorse or promote products derived from this software 191573Srgrimes * without specific prior written permission. 201573Srgrimes * 211573Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221573Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231573Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241573Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251573Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261573Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271573Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281573Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291573Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301573Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311573Srgrimes * SUCH DAMAGE. 321573Srgrimes * 331573Srgrimes * @(#)regfree.c 8.3 (Berkeley) 3/20/94 341573Srgrimes */ 351573Srgrimes 361573Srgrimes#if defined(LIBC_SCCS) && !defined(lint) 371573Srgrimesstatic char sccsid[] = "@(#)regfree.c 8.3 (Berkeley) 3/20/94"; 381573Srgrimes#endif /* LIBC_SCCS and not lint */ 3992986Sobrien#include <sys/cdefs.h> 4092986Sobrien__FBSDID("$FreeBSD: stable/11/lib/libc/regex/regfree.c 317894 2017-05-07 01:31:42Z pfg $"); 411573Srgrimes 421573Srgrimes#include <sys/types.h> 431573Srgrimes#include <stdio.h> 441573Srgrimes#include <stdlib.h> 4562817Sdcs#include <limits.h> 461573Srgrimes#include <regex.h> 47132019Stjr#include <wchar.h> 48132019Stjr#include <wctype.h> 491573Srgrimes 501573Srgrimes#include "utils.h" 511573Srgrimes#include "regex2.h" 521573Srgrimes 531573Srgrimes/* 541573Srgrimes - regfree - free everything 551573Srgrimes = extern void regfree(regex_t *); 561573Srgrimes */ 571573Srgrimesvoid 58170528Sdelphijregfree(regex_t *preg) 591573Srgrimes{ 6092889Sobrien struct re_guts *g; 61317894Spfg unsigned int i; 621573Srgrimes 631573Srgrimes if (preg->re_magic != MAGIC1) /* oops */ 641573Srgrimes return; /* nice to complain, but hard */ 651573Srgrimes 661573Srgrimes g = preg->re_g; 671573Srgrimes if (g == NULL || g->magic != MAGIC2) /* oops again */ 681573Srgrimes return; 691573Srgrimes preg->re_magic = 0; /* mark it invalid */ 701573Srgrimes g->magic = 0; /* mark it invalid */ 711573Srgrimes 721573Srgrimes if (g->strip != NULL) 731573Srgrimes free((char *)g->strip); 74132019Stjr if (g->sets != NULL) { 75132019Stjr for (i = 0; i < g->ncsets; i++) { 76132019Stjr free(g->sets[i].ranges); 77132019Stjr free(g->sets[i].wides); 78132019Stjr free(g->sets[i].types); 79132019Stjr } 801573Srgrimes free((char *)g->sets); 81132019Stjr } 821573Srgrimes if (g->must != NULL) 831573Srgrimes free(g->must); 8462417Sdcs if (g->charjump != NULL) 8562817Sdcs free(&g->charjump[CHAR_MIN]); 8662417Sdcs if (g->matchjump != NULL) 8762417Sdcs free(g->matchjump); 881573Srgrimes free((char *)g); 891573Srgrimes} 90