text: /*-
   * 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.
   * 4. 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
   */
  
  #if defined(LIBC_SCCS) && !defined(lint)
  static char sccsid[] = "@(#)regfree.c	8.3 (Berkeley) 3/20/94";
  #endif /* LIBC_SCCS and not lint */
  #include <sys/cdefs.h>
  __FBSDID("$FreeBSD: soc2013/dpl/head/lib/libc/regex/regfree.c 170571 2007-06-11 03:05:54Z delphij $");
  
  #include <sys/types.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <limits.h>
  #include <regex.h>
  #include <wchar.h>
  #include <wctype.h>
  
  #include "utils.h"
  #include "regex2.h"
  
  /*
   - regfree - free everything
   = extern void regfree(regex_t *);
   */
  void
  regfree(regex_t *preg)
  {
  	struct re_guts *g;
  	int i;
  
  	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) {
  		for (i = 0; i < g->ncsets; i++) {
  			free(g->sets[i].ranges);
  			free(g->sets[i].wides);
  			free(g->sets[i].types);
  		}
  		free((char *)g->sets);
  	}
  	if (g->must != NULL)
  		free(g->must);
  	if (g->charjump != NULL)
  		free(&g->charjump[CHAR_MIN]);
  	if (g->matchjump != NULL)
  		free(g->matchjump);
  	free((char *)g);
  }
  