regfree.c revision 92986
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 * 3. All advertising materials mentioning features or use of this software 181573Srgrimes * must display the following acknowledgement: 191573Srgrimes * This product includes software developed by the University of 201573Srgrimes * California, Berkeley and its contributors. 211573Srgrimes * 4. Neither the name of the University nor the names of its contributors 221573Srgrimes * may be used to endorse or promote products derived from this software 231573Srgrimes * without specific prior written permission. 241573Srgrimes * 251573Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 261573Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 271573Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 281573Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 291573Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 301573Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 311573Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 321573Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 331573Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 341573Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 351573Srgrimes * SUCH DAMAGE. 361573Srgrimes * 371573Srgrimes * @(#)regfree.c 8.3 (Berkeley) 3/20/94 381573Srgrimes */ 391573Srgrimes 401573Srgrimes#if defined(LIBC_SCCS) && !defined(lint) 411573Srgrimesstatic char sccsid[] = "@(#)regfree.c 8.3 (Berkeley) 3/20/94"; 421573Srgrimes#endif /* LIBC_SCCS and not lint */ 4392986Sobrien#include <sys/cdefs.h> 4492986Sobrien__FBSDID("$FreeBSD: head/lib/libc/regex/regfree.c 92986 2002-03-22 21:53:29Z obrien $"); 451573Srgrimes 461573Srgrimes#include <sys/types.h> 471573Srgrimes#include <stdio.h> 481573Srgrimes#include <stdlib.h> 4962817Sdcs#include <limits.h> 501573Srgrimes#include <regex.h> 511573Srgrimes 521573Srgrimes#include "utils.h" 531573Srgrimes#include "regex2.h" 541573Srgrimes 551573Srgrimes/* 561573Srgrimes - regfree - free everything 571573Srgrimes = extern void regfree(regex_t *); 581573Srgrimes */ 591573Srgrimesvoid 601573Srgrimesregfree(preg) 611573Srgrimesregex_t *preg; 621573Srgrimes{ 6392889Sobrien struct re_guts *g; 641573Srgrimes 651573Srgrimes if (preg->re_magic != MAGIC1) /* oops */ 661573Srgrimes return; /* nice to complain, but hard */ 671573Srgrimes 681573Srgrimes g = preg->re_g; 691573Srgrimes if (g == NULL || g->magic != MAGIC2) /* oops again */ 701573Srgrimes return; 711573Srgrimes preg->re_magic = 0; /* mark it invalid */ 721573Srgrimes g->magic = 0; /* mark it invalid */ 731573Srgrimes 741573Srgrimes if (g->strip != NULL) 751573Srgrimes free((char *)g->strip); 761573Srgrimes if (g->sets != NULL) 771573Srgrimes free((char *)g->sets); 781573Srgrimes if (g->setbits != NULL) 791573Srgrimes free((char *)g->setbits); 801573Srgrimes if (g->must != NULL) 811573Srgrimes free(g->must); 8262417Sdcs if (g->charjump != NULL) 8362817Sdcs free(&g->charjump[CHAR_MIN]); 8462417Sdcs if (g->matchjump != NULL) 8562417Sdcs free(g->matchjump); 861573Srgrimes free((char *)g); 871573Srgrimes} 88