1/*	$NetBSD: regex.h,v 1.16 2021/02/23 17:14:42 christos Exp $	*/
  2
  3/*-
  4 * Copyright (c) 1992, 1993
  5 *	The Regents of the University of California.  All rights reserved.
  6 *
  7 * This code is derived from software contributed to Berkeley by
  8 * Henry Spencer of the University of Toronto.
  9 *
 10 * Redistribution and use in source and binary forms, with or without
 11 * modification, are permitted provided that the following conditions
 12 * are met:
 13 * 1. Redistributions of source code must retain the above copyright
 14 *    notice, this list of conditions and the following disclaimer.
 15 * 2. Redistributions in binary form must reproduce the above copyright
 16 *    notice, this list of conditions and the following disclaimer in the
 17 *    documentation and/or other materials provided with the distribution.
 18 * 3. Neither the name of the University nor the names of its contributors
 19 *    may be used to endorse or promote products derived from this software
 20 *    without specific prior written permission.
 21 *
 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 32 * SUCH DAMAGE.
 33 *
 34 *	@(#)regex.h	8.2 (Berkeley) 1/3/94
 35 */
 36
 37/*-
 38 * Copyright (c) 1992 Henry Spencer.
 39 *
 40 * This code is derived from software contributed to Berkeley by
 41 * Henry Spencer of the University of Toronto.
 42 *
 43 * Redistribution and use in source and binary forms, with or without
 44 * modification, are permitted provided that the following conditions
 45 * are met:
 46 * 1. Redistributions of source code must retain the above copyright
 47 *    notice, this list of conditions and the following disclaimer.
 48 * 2. Redistributions in binary form must reproduce the above copyright
 49 *    notice, this list of conditions and the following disclaimer in the
 50 *    documentation and/or other materials provided with the distribution.
 51 * 3. All advertising materials mentioning features or use of this software
 52 *    must display the following acknowledgement:
 53 *	This product includes software developed by the University of
 54 *	California, Berkeley and its contributors.
 55 * 4. Neither the name of the University nor the names of its contributors
 56 *    may be used to endorse or promote products derived from this software
 57 *    without specific prior written permission.
 58 *
 59 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 60 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 61 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 62 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 63 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 64 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 65 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 66 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 67 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 68 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 69 * SUCH DAMAGE.
 70 *
 71 *	@(#)regex.h	8.2 (Berkeley) 1/3/94
 72 */
 73
 74#ifndef _REGEX_H_
 75#define	_REGEX_H_
 76
 77#include <sys/cdefs.h>
 78#include <sys/types.h>
 79
 80/* types */
 81typedef off_t regoff_t;
 82
 83typedef struct {
 84	int re_magic;
 85	size_t re_nsub;		/* number of parenthesized subexpressions */
 86	const char *re_endp;	/* end pointer for REG_PEND */
 87	struct re_guts *re_g;	/* none of your business :-) */
 88} regex_t;
 89
 90typedef struct {
 91	regoff_t rm_so;		/* start of match */
 92	regoff_t rm_eo;		/* end of match */
 93} regmatch_t;
 94
 95/* regcomp() flags */
 96#define	REG_BASIC	0000
 97#define	REG_EXTENDED	0001
 98#define	REG_ICASE	0002
 99#define	REG_NOSUB	0004
100#define	REG_NEWLINE	0010
101#define	REG_NOSPEC	0020
102#define	REG_PEND	0040
103#define	REG_DUMP	0200
104#define	REG_GNU		0400
105
106/* regerror() flags */
107#define	REG_NOMATCH	 1
108#define	REG_BADPAT	 2
109#define	REG_ECOLLATE	 3
110#define	REG_ECTYPE	 4
111#define	REG_EESCAPE	 5
112#define	REG_ESUBREG	 6
113#define	REG_EBRACK	 7
114#define	REG_EPAREN	 8
115#define	REG_EBRACE	 9
116#define	REG_BADBR	10
117#define	REG_ERANGE	11
118#define	REG_ESPACE	12
119#define	REG_BADRPT	13
120#define	REG_EMPTY	14
121#define	REG_ASSERT	15
122#define	REG_INVARG	16
123#define	REG_ILLSEQ      17
124#define	REG_ATOI	255	/* convert name to number (!) */
125#define	REG_ITOA	0400	/* convert number to name (!) */
126
127/* regexec() flags */
128#define	REG_NOTBOL	00001
129#define	REG_NOTEOL	00002
130#define	REG_STARTEND	00004
131#define	REG_TRACE	00400	/* tracing of execution */
132#define	REG_LARGE	01000	/* force large representation */
133#define	REG_BACKR	02000	/* force use of backref code */
134
135__BEGIN_DECLS
136int	regcomp(regex_t * __restrict, const char * __restrict, int);
137size_t	regerror(int, const regex_t * __restrict, char * __restrict, size_t);
138int	regexec(const regex_t * __restrict,
139	    const char * __restrict, size_t, regmatch_t [], int);
140void	regfree(regex_t *);
141#ifdef _NETBSD_SOURCE
142ssize_t regnsub(char *, size_t, const char *, const regmatch_t *, const char *);
143ssize_t regasub(char **buf, const char *, const regmatch_t *, const char *);
144#endif
145__END_DECLS
146
147#endif /* !_REGEX_H_ */