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regfree.c
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/*-
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* This code is derived from OpenBSD's libc/regex, original license follows:
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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_impl.h
"
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#include "
regutils.h
"
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#include "
regex2.h
"
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/*
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- llvm_regfree - free everything
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*/
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void
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llvm_regfree
(
llvm_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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if
(
g
->strip != NULL)
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free((
char
*)
g
->strip);
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if
(
g
->sets != NULL)
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free((
char
*)
g
->sets);
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if
(
g
->setbits != NULL)
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free((
char
*)
g
->setbits);
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if
(
g
->must != NULL)
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free(
g
->must);
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free((
char
*)
g
);
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}
g
INLINE void g(uint32_t *state, size_t a, size_t b, size_t c, size_t d, uint32_t x, uint32_t y)
Definition:
blake3_portable.c:8
regex2.h
MAGIC1
#define MAGIC1
Definition:
regex2.h:47
MAGIC2
#define MAGIC2
Definition:
regex2.h:134
regex_impl.h
llvm_regfree
void llvm_regfree(llvm_regex_t *preg)
Definition:
regfree.c:50
regutils.h
llvm_regex
Definition:
regex_impl.h:48
llvm_regex::re_magic
int re_magic
Definition:
regex_impl.h:49
llvm_regex::re_g
struct re_guts * re_g
Definition:
regex_impl.h:52
re_guts
Definition:
regex2.h:132
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