regex.h revision 25520 
1/*-
2 * Copyright (c) 1992 Henry Spencer.
3 * Copyright (c) 1992, 1993
4 *	The Regents of the University of California.  All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * Henry Spencer of the University of Toronto.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 *    must display the following acknowledgement:
19 *	This product includes software developed by the University of
20 *	California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 *    may be used to endorse or promote products derived from this software
23 *    without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 *	@(#)regex.h	8.2 (Berkeley) 1/3/94
38 */
39
40#ifndef _REGEX_H_
41#define	_REGEX_H_
42
43#include <sys/cdefs.h>
44#include <sys/types.h>
45
46/* types */
47typedef off_t regoff_t;
48
49typedef struct {
50	int re_magic;
51	size_t re_nsub;		/* number of parenthesized subexpressions */
52	__const char *re_endp;	/* end pointer for REG_PEND */
53	struct re_guts *re_g;	/* none of your business :-) */
54} regex_t;
55
56typedef struct {
57	regoff_t rm_so;		/* start of match */
58	regoff_t rm_eo;		/* end of match */
59} regmatch_t;
60
61/* regcomp() flags */
62#define	REG_BASIC	0000
63#define	REG_EXTENDED	0001
64#define	REG_ICASE	0002
65#define	REG_NOSUB	0004
66#define	REG_NEWLINE	0010
67#define	REG_NOSPEC	0020
68#define	REG_PEND	0040
69#define	REG_DUMP	0200
70
71/* regerror() flags */
72#define	REG_NOMATCH	 1
73#define	REG_BADPAT	 2
74#define	REG_ECOLLATE	 3
75#define	REG_ECTYPE	 4
76#define	REG_EESCAPE	 5
77#define	REG_ESUBREG	 6
78#define	REG_EBRACK	 7
79#define	REG_EPAREN	 8
80#define	REG_EBRACE	 9
81#define	REG_BADBR	10
82#define	REG_ERANGE	11
83#define	REG_ESPACE	12
84#define	REG_BADRPT	13
85#define	REG_EMPTY	14
86#define	REG_ASSERT	15
87#define	REG_INVARG	16
88#define	REG_ATOI	255	/* convert name to number (!) */
89#define	REG_ITOA	0400	/* convert number to name (!) */
90
91/* regexec() flags */
92#define	REG_NOTBOL	00001
93#define	REG_NOTEOL	00002
94#define	REG_STARTEND	00004
95#define	REG_TRACE	00400	/* tracing of execution */
96#define	REG_LARGE	01000	/* force large representation */
97#define	REG_BACKR	02000	/* force use of backref code */
98
99__BEGIN_DECLS
100int	regcomp __P((regex_t *, const char *, int));
101size_t	regerror __P((int, const regex_t *, char *, size_t));
102int	regexec __P((const regex_t *,
103	    const char *, size_t, regmatch_t [], int));
104void	regfree __P((regex_t *));
105__END_DECLS
106
107#endif /* !_REGEX_H_ */
108