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 _REGEX_H_
39#define	_REGEX_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 */
46} llvm_regmatch_t;
47
48typedef struct llvm_regex {
49  int re_magic;
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 :-) */
53} llvm_regex_t;
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);
101void	llvm_regfree(llvm_regex_t *);
102size_t  llvm_strlcpy(char *dst, const char *src, size_t siz);
103
104#ifdef __cplusplus
105}
106#endif
107
108#endif /* !_REGEX_H_ */
109