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/* $OpenBSD: regfree.c,v 1.11 2015/12/28 22:27:03 mmcc Exp $ */ |
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/*- |
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* Copyright (c) 1992, 1993, 1994 Henry Spencer. |
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* Copyright (c) 1992, 1993, 1994 |
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* The Regents of the University of California. All rights reserved. |
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* |
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* This code is derived from software contributed to Berkeley by |
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* Henry Spencer. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* @(#)regfree.c 8.3 (Berkeley) 3/20/94 |
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*/ |
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#include <sys/types.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <regex.h> |
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#include <limits.h> |
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#include "utils.h" |
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#include "regex2.h" |
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/* |
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- regfree - free everything |
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*/ |
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void |
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regfree(regex_t *preg) |
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{ |
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struct re_guts *g; |
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if (preg->re_magic != MAGIC1) /* oops */ |
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return; /* nice to complain, but hard */ |
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g = preg->re_g; |
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if (g == NULL || g->magic != MAGIC2) /* oops again */ |
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return; |
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preg->re_magic = 0; /* mark it invalid */ |
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g->magic = 0; /* mark it invalid */ |
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free(g->strip); |
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free(g->sets); |
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free(g->setbits); |
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free(g->must); |
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free(g); |
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} |
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DEF_WEAK(regfree); |