/*-
  * 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 "clamav.h"

 #include "others.h"
 #include "regex.h"
 
 #include "utils.h"
 #include "regex2.h"
 
 /*
  - cli_regfree - free everything
  */
 void
 cli_regfree(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);
 }