LLVM
20.0.0git
lib
Support
regfree.c
Go to the documentation of this file.
1
/*-
2
* This code is derived from OpenBSD's libc/regex, original license follows:
3
*
4
* Copyright (c) 1992, 1993, 1994 Henry Spencer.
5
* Copyright (c) 1992, 1993, 1994
6
* The Regents of the University of California. All rights reserved.
7
*
8
* This code is derived from software contributed to Berkeley by
9
* Henry Spencer.
10
*
11
* Redistribution and use in source and binary forms, with or without
12
* modification, are permitted provided that the following conditions
13
* are met:
14
* 1. Redistributions of source code must retain the above copyright
15
* notice, this list of conditions and the following disclaimer.
16
* 2. Redistributions in binary form must reproduce the above copyright
17
* notice, this list of conditions and the following disclaimer in the
18
* documentation and/or other materials provided with the distribution.
19
* 3. Neither the name of the University nor the names of its contributors
20
* may be used to endorse or promote products derived from this software
21
* without specific prior written permission.
22
*
23
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33
* SUCH DAMAGE.
34
*
35
* @(#)regfree.c 8.3 (Berkeley) 3/20/94
36
*/
37
38
#include <sys/types.h>
39
#include <stdio.h>
40
#include <stdlib.h>
41
#include "
regex_impl.h
"
42
43
#include "
regutils.h
"
44
#include "
regex2.h
"
45
46
/*
47
- llvm_regfree - free everything
48
*/
49
void
50
llvm_regfree
(
llvm_regex_t
*preg)
51
{
52
struct
re_guts
*
g
;
53
54
if
(preg->
re_magic
!=
MAGIC1
)
/* oops */
55
return
;
/* nice to complain, but hard */
56
57
g
= preg->
re_g
;
58
if
(
g
== NULL ||
g
->magic !=
MAGIC2
)
/* oops again */
59
return
;
60
preg->
re_magic
= 0;
/* mark it invalid */
61
g
->magic = 0;
/* mark it invalid */
62
63
if
(
g
->strip != NULL)
64
free((
char
*)
g
->strip);
65
if
(
g
->sets != NULL)
66
free((
char
*)
g
->sets);
67
if
(
g
->setbits != NULL)
68
free((
char
*)
g
->setbits);
69
if
(
g
->must != NULL)
70
free(
g
->must);
71
free((
char
*)
g
);
72
}
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
Generated on Fri Nov 8 2024 19:25:07 for LLVM by
1.9.6