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/*- 
 * This code is derived from OpenBSD's libc/regex, original license follows: 
 * 
 * Copyright (c) 1992, 1993, 1994 Henry Spencer. 
 * 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 
 */ 
 
#include <sys/types.h> 
#include <stdio.h> 
#include <stdlib.h> 
#include "regex_impl.h" 
 
#include "regutils.h" 
#include "regex2.h" 
 
/* 
 - llvm_regfree - free everything 
 */ 
void 
llvm_regfree(llvm_regex_t *preg) 
{ 
	struct re_guts *g; 
 
	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((char *)g->strip); 
	if (g->sets != NULL) 
		free((char *)g->sets); 
	if (g->setbits != NULL) 
		free((char *)g->setbits); 
	if (g->must != NULL) 
		free(g->must); 
	free((char *)g); 
}