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1 /*	$OpenBSD: regex.h,v 1.6 2003/06/02 19:34:12 millert Exp $	*/
2 /*	$NetBSD: regex.h,v 1.4.6.1 1996/06/10 18:57:07 explorer Exp $	*/
3 
4 /*-
5  * Copyright (c) 1992 Henry Spencer.
6  * Copyright (c) 1992, 1993
7  *	The Regents of the University of California.  All rights reserved.
8  *
9  * This code is derived from software contributed to Berkeley by
10  * Henry Spencer of the University of Toronto.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  *	@(#)regex.h	8.1 (Berkeley) 6/2/93
37  */
38 
39 #ifndef _REGEX_H_
40 #define	_REGEX_H_
41 
42 #if 0
43 #include <sys/cdefs.h>
44 #include <sys/types.h>
45 #else
46 #include <sys/types.h>
47 #endif
48 
49 /* types */
50 typedef off_t regoff_t;
51 
52 typedef struct {
53 	int re_magic;
54 	size_t re_nsub;		/* number of parenthesized subexpressions */
55 	const char *re_endp;	/* end pointer for REG_PEND */
56 	struct re_guts *re_g;	/* none of your business :-) */
57 } regex_t;
58 
59 typedef struct {
60 	regoff_t rm_so;		/* start of match */
61 	regoff_t rm_eo;		/* end of match */
62 } regmatch_t;
63 
64 /* regcomp() flags */
65 #define	REG_BASIC	0000
66 #define	REG_EXTENDED	0001
67 #define	REG_ICASE	0002
68 #define	REG_NOSUB	0004
69 #define	REG_NEWLINE	0010
70 #define	REG_NOSPEC	0020
71 #define	REG_PEND	0040
72 #define	REG_DUMP	0200
73 
74 /* regerror() flags */
75 #define	REG_NOMATCH	 1
76 #define	REG_BADPAT	 2
77 #define	REG_ECOLLATE	 3
78 #define	REG_ECTYPE	 4
79 #define	REG_EESCAPE	 5
80 #define	REG_ESUBREG	 6
81 #define	REG_EBRACK	 7
82 #define	REG_EPAREN	 8
83 #define	REG_EBRACE	 9
84 #define	REG_BADBR	10
85 #define	REG_ERANGE	11
86 #define	REG_ESPACE	12
87 #define	REG_BADRPT	13
88 #define	REG_EMPTY	14
89 #define	REG_ASSERT	15
90 #define	REG_INVARG	16
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
103 int	regcomp(regex_t *, const char *, int);
104 size_t	regerror(int, const regex_t *, char *, size_t);
105 int	regexec(const regex_t *, const char *, size_t, regmatch_t [], int);
106 void	regfree(regex_t *);
107 // __END_DECLS
108 
109 #endif /* !_REGEX_H_ */
110