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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 #include <sys/cdefs.h>
     43 #include <sys/types.h>
     44 
     45 /* types */
     46 typedef off_t regoff_t;
     47 
     48 typedef struct {
     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 } regex_t;
     54 
     55 typedef struct {
     56 	regoff_t rm_so;		/* start of match */
     57 	regoff_t rm_eo;		/* end of match */
     58 } regmatch_t;
     59 
     60 /* regcomp() flags */
     61 #define	REG_BASIC	0000
     62 #define	REG_EXTENDED	0001
     63 #define	REG_ICASE	0002
     64 #define	REG_NOSUB	0004
     65 #define	REG_NEWLINE	0010
     66 #define	REG_NOSPEC	0020
     67 #define	REG_PEND	0040
     68 #define	REG_DUMP	0200
     69 
     70 /* regerror() flags */
     71 #define	REG_NOMATCH	 1
     72 #define	REG_BADPAT	 2
     73 #define	REG_ECOLLATE	 3
     74 #define	REG_ECTYPE	 4
     75 #define	REG_EESCAPE	 5
     76 #define	REG_ESUBREG	 6
     77 #define	REG_EBRACK	 7
     78 #define	REG_EPAREN	 8
     79 #define	REG_EBRACE	 9
     80 #define	REG_BADBR	10
     81 #define	REG_ERANGE	11
     82 #define	REG_ESPACE	12
     83 #define	REG_BADRPT	13
     84 #define	REG_EMPTY	14
     85 #define	REG_ASSERT	15
     86 #define	REG_INVARG	16
     87 #define	REG_ATOI	255	/* convert name to number (!) */
     88 #define	REG_ITOA	0400	/* convert number to name (!) */
     89 
     90 /* regexec() flags */
     91 #define	REG_NOTBOL	00001
     92 #define	REG_NOTEOL	00002
     93 #define	REG_STARTEND	00004
     94 #define	REG_TRACE	00400	/* tracing of execution */
     95 #define	REG_LARGE	01000	/* force large representation */
     96 #define	REG_BACKR	02000	/* force use of backref code */
     97 
     98 __BEGIN_DECLS
     99 int	regcomp(regex_t *, const char *, int);
    100 size_t	regerror(int, const regex_t *, char *, size_t);
    101 int	regexec(const regex_t *, const char *, size_t, regmatch_t [], int);
    102 void	regfree(regex_t *);
    103 __END_DECLS
    104 
    105 #endif /* !_REGEX_H_ */
    106