regfree.c revision 62417
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 3862417Sdcs * 3962417Sdcs * $FreeBSD: head/lib/libc/regex/regfree.c 62417 2000-07-02 15:58:54Z dcs $ 401573Srgrimes */ 411573Srgrimes 421573Srgrimes#if defined(LIBC_SCCS) && !defined(lint) 431573Srgrimesstatic char sccsid[] = "@(#)regfree.c 8.3 (Berkeley) 3/20/94"; 441573Srgrimes#endif /* LIBC_SCCS and not lint */ 451573Srgrimes 461573Srgrimes#include <sys/types.h> 471573Srgrimes#include <stdio.h> 481573Srgrimes#include <stdlib.h> 491573Srgrimes#include <regex.h> 501573Srgrimes 511573Srgrimes#include "utils.h" 521573Srgrimes#include "regex2.h" 531573Srgrimes 541573Srgrimes/* 551573Srgrimes - regfree - free everything 561573Srgrimes = extern void regfree(regex_t *); 571573Srgrimes */ 581573Srgrimesvoid 591573Srgrimesregfree(preg) 601573Srgrimesregex_t *preg; 611573Srgrimes{ 621573Srgrimes register struct re_guts *g; 631573Srgrimes 641573Srgrimes if (preg->re_magic != MAGIC1) /* oops */ 651573Srgrimes return; /* nice to complain, but hard */ 661573Srgrimes 671573Srgrimes g = preg->re_g; 681573Srgrimes if (g == NULL || g->magic != MAGIC2) /* oops again */ 691573Srgrimes return; 701573Srgrimes preg->re_magic = 0; /* mark it invalid */ 711573Srgrimes g->magic = 0; /* mark it invalid */ 721573Srgrimes 731573Srgrimes if (g->strip != NULL) 741573Srgrimes free((char *)g->strip); 751573Srgrimes if (g->sets != NULL) 761573Srgrimes free((char *)g->sets); 771573Srgrimes if (g->setbits != NULL) 781573Srgrimes free((char *)g->setbits); 791573Srgrimes if (g->must != NULL) 801573Srgrimes free(g->must); 8162417Sdcs if (g->charjump != NULL) 8262417Sdcs free(g->charjump); 8362417Sdcs if (g->matchjump != NULL) 8462417Sdcs free(g->matchjump); 851573Srgrimes free((char *)g); 861573Srgrimes} 87