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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 */
     49 typedef off_t regoff_t;
     50 
     51 typedef 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 
     58 typedef 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
    103 int	regcomp __P((regex_t *, const char *, int));
    104 size_t	regerror __P((int, const regex_t *, char *, size_t));
    105 int	regexec __P((const regex_t *,
    106 	    const char *, size_t, regmatch_t [], int));
    107 void	regfree __P((regex_t *));
    108 __END_DECLS
    109 
    110 #endif /* !_REGEX_H_ */
    111