LLVM 20.0.0git
regex_impl.h
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1/*-
2 * This code is derived from OpenBSD's libc/regex, original license follows:
3 *
4 * Copyright (c) 1992 Henry Spencer.
5 * Copyright (c) 1992, 1993
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 of the University of Toronto.
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 * @(#)regex.h 8.1 (Berkeley) 6/2/93
36 */
37
38#ifndef LLVM_SUPPORT_REGEX_IMPL_H
39#define LLVM_SUPPORT_REGEX_IMPL_H
40
41#include <sys/types.h>
42typedef off_t llvm_regoff_t;
43typedef struct {
44 llvm_regoff_t rm_so; /* start of match */
45 llvm_regoff_t rm_eo; /* end of match */
47
48typedef struct llvm_regex {
50 size_t re_nsub; /* number of parenthesized subexpressions */
51 const char *re_endp; /* end pointer for REG_PEND */
52 struct re_guts *re_g; /* none of your business :-) */
54
55/* llvm_regcomp() flags */
56#define REG_BASIC 0000
57#define REG_EXTENDED 0001
58#define REG_ICASE 0002
59#define REG_NOSUB 0004
60#define REG_NEWLINE 0010
61#define REG_NOSPEC 0020
62#define REG_PEND 0040
63#define REG_DUMP 0200
64
65/* llvm_regerror() flags */
66#define REG_NOMATCH 1
67#define REG_BADPAT 2
68#define REG_ECOLLATE 3
69#define REG_ECTYPE 4
70#define REG_EESCAPE 5
71#define REG_ESUBREG 6
72#define REG_EBRACK 7
73#define REG_EPAREN 8
74#define REG_EBRACE 9
75#define REG_BADBR 10
76#define REG_ERANGE 11
77#define REG_ESPACE 12
78#define REG_BADRPT 13
79#define REG_EMPTY 14
80#define REG_ASSERT 15
81#define REG_INVARG 16
82#define REG_ATOI 255 /* convert name to number (!) */
83#define REG_ITOA 0400 /* convert number to name (!) */
84
85/* llvm_regexec() flags */
86#define REG_NOTBOL 00001
87#define REG_NOTEOL 00002
88#define REG_STARTEND 00004
89#define REG_TRACE 00400 /* tracing of execution */
90#define REG_LARGE 01000 /* force large representation */
91#define REG_BACKR 02000 /* force use of backref code */
92
93#ifdef __cplusplus
94extern "C" {
95#endif
96
97int llvm_regcomp(llvm_regex_t *, const char *, int);
98size_t llvm_regerror(int, const llvm_regex_t *, char *, size_t);
99int llvm_regexec(const llvm_regex_t *, const char *, size_t,
100 llvm_regmatch_t [], int);
102size_t llvm_strlcpy(char *dst, const char *src, size_t siz);
103
104#ifdef __cplusplus
105}
106#endif
107
108#endif /* LLVM_SUPPORT_REGEX_IMPL_H */
size_t llvm_strlcpy(char *dst, const char *src, size_t siz)
Definition: regstrlcpy.c:29
struct llvm_regex llvm_regex_t
void llvm_regfree(llvm_regex_t *)
Definition: regfree.c:50
int llvm_regcomp(llvm_regex_t *, const char *, int)
Definition: regcomp.c:293
int llvm_regexec(const llvm_regex_t *, const char *, size_t, llvm_regmatch_t[], int)
Definition: regexec.c:141
size_t llvm_regerror(int, const llvm_regex_t *, char *, size_t)
Definition: regerror.c:84
off_t llvm_regoff_t
Definition: regex_impl.h:42
int re_magic
Definition: regex_impl.h:49
struct re_guts * re_g
Definition: regex_impl.h:52
size_t re_nsub
Definition: regex_impl.h:50
const char * re_endp
Definition: regex_impl.h:51
llvm_regoff_t rm_eo
Definition: regex_impl.h:45
llvm_regoff_t rm_so
Definition: regex_impl.h:44