regex.h revision 1.7
1/*	$NetBSD: regex.h,v 1.7 1998/05/06 18:12:12 kleink Exp $	*/
2
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. All advertising materials mentioning features or use of this software
20 *    must display the following acknowledgement:
21 *	This product includes software developed by the University of
22 *	California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 *    may be used to endorse or promote products derived from this software
25 *    without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 *
39 *	@(#)regex.h	8.2 (Berkeley) 1/3/94
40 */
41
42#ifndef _REGEX_H_
43#define	_REGEX_H_
44
45#include <sys/cdefs.h>
46#include <sys/types.h>
47
48/* types */
49typedef off_t regoff_t;
50
51typedef struct {
52	int re_magic;
53	size_t re_nsub;		/* number of parenthesized subexpressions */
54	const char *re_endp;	/* end pointer for REG_PEND */
55	struct re_guts *re_g;	/* none of your business :-) */
56} regex_t;
57
58typedef struct {
59	regoff_t rm_so;		/* start of match */
60	regoff_t rm_eo;		/* end of match */
61} regmatch_t;
62
63/* regcomp() flags */
64#define	REG_BASIC	0000
65#define	REG_EXTENDED	0001
66#define	REG_ICASE	0002
67#define	REG_NOSUB	0004
68#define	REG_NEWLINE	0010
69#define	REG_NOSPEC	0020
70#define	REG_PEND	0040
71#define	REG_DUMP	0200
72
73/* regerror() flags */
74#define	REG_NOMATCH	 1
75#define	REG_BADPAT	 2
76#define	REG_ECOLLATE	 3
77#define	REG_ECTYPE	 4
78#define	REG_EESCAPE	 5
79#define	REG_ESUBREG	 6
80#define	REG_EBRACK	 7
81#define	REG_EPAREN	 8
82#define	REG_EBRACE	 9
83#define	REG_BADBR	10
84#define	REG_ERANGE	11
85#define	REG_ESPACE	12
86#define	REG_BADRPT	13
87#define	REG_EMPTY	14
88#define	REG_ASSERT	15
89#define	REG_INVARG	16
90#define	REG_ENOSYS	17
91#define	REG_ATOI	255	/* convert name to number (!) */
92#define	REG_ITOA	0400	/* convert number to name (!) */
93
94/* regexec() flags */
95#define	REG_NOTBOL	00001
96#define	REG_NOTEOL	00002
97#define	REG_STARTEND	00004
98#define	REG_TRACE	00400	/* tracing of execution */
99#define	REG_LARGE	01000	/* force large representation */
100#define	REG_BACKR	02000	/* force use of backref code */
101
102__BEGIN_DECLS
103int	regcomp __P((regex_t *, const char *, int));
104size_t	regerror __P((int, const regex_t *, char *, size_t));
105int	regexec __P((const regex_t *,
106	    const char *, size_t, regmatch_t [], int));
107void	regfree __P((regex_t *));
108__END_DECLS
109
110#endif /* !_REGEX_H_ */
111