[dragonfly.git] / include / regex.h

/*-
 * Copyright (c) 1992 Henry Spencer.
 * Copyright (c) 1992, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Henry Spencer of the University of Toronto.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)regex.h	8.2 (Berkeley) 1/3/94
 * $FreeBSD: src/include/regex.h,v 1.11 2004/07/12 06:07:26 tjr Exp $
 * $DragonFly: src/include/regex.h,v 1.3 2008/06/02 06:50:08 hasso Exp $
 */

#ifndef _REGEX_H_
#define	_REGEX_H_

#include <sys/cdefs.h>
#include <sys/types.h>

/* types */
typedef	__off_t		regoff_t;

#ifndef _SIZE_T_DECLARED
typedef	__size_t	size_t;
#define	_SIZE_T_DECLARED
#endif

typedef struct {
	int re_magic;
	size_t re_nsub;		/* number of parenthesized subexpressions */
	__const char *re_endp;	/* end pointer for REG_PEND */
	struct re_guts *re_g;	/* none of your business :-) */
} regex_t;

typedef struct {
	regoff_t rm_so;		/* start of match */
	regoff_t rm_eo;		/* end of match */
} regmatch_t;

/* regcomp() flags */
#define	REG_BASIC	0000
#define	REG_EXTENDED	0001
#define	REG_ICASE	0002
#define	REG_NOSUB	0004
#define	REG_NEWLINE	0010
#define	REG_NOSPEC	0020
#define	REG_PEND	0040
#define	REG_DUMP	0200

/* regerror() flags */
#define	REG_ENOSYS	(-1)
#define	REG_NOMATCH	 1
#define	REG_BADPAT	 2
#define	REG_ECOLLATE	 3
#define	REG_ECTYPE	 4
#define	REG_EESCAPE	 5
#define	REG_ESUBREG	 6
#define	REG_EBRACK	 7
#define	REG_EPAREN	 8
#define	REG_EBRACE	 9
#define	REG_BADBR	10
#define	REG_ERANGE	11
#define	REG_ESPACE	12
#define	REG_BADRPT	13
#define	REG_EMPTY	14
#define	REG_ASSERT	15
#define	REG_INVARG	16
#define	REG_ILLSEQ	17
#define	REG_ATOI	255	/* convert name to number (!) */
#define	REG_ITOA	0400	/* convert number to name (!) */

/* regexec() flags */
#define	REG_NOTBOL	00001
#define	REG_NOTEOL	00002
#define	REG_STARTEND	00004
#define	REG_TRACE	00400	/* tracing of execution */
#define	REG_LARGE	01000	/* force large representation */
#define	REG_BACKR	02000	/* force use of backref code */

__BEGIN_DECLS
int	regcomp(regex_t * __restrict, const char * __restrict, int);
size_t	regerror(int, const regex_t * __restrict, char * __restrict, size_t);
/*
 * XXX fourth parameter should be `regmatch_t [__restrict]', but isn't because
 * of a bug in GCC (when -std=c99 is specified) which perceives this as a
 * syntax error.
 */
int	regexec(const regex_t * __restrict, const char * __restrict, size_t,
		regmatch_t * __restrict, int);
void	regfree(regex_t *);
__END_DECLS

#endif /* !_REGEX_H_ */
Commit	Line	Data
984263bc MD	1	/*-
	2	* Copyright (c) 1992 Henry Spencer.
	3	* Copyright (c) 1992, 1993
	4	* The Regents of the University of California. All rights reserved.
	5	*
	6	* This code is derived from software contributed to Berkeley by
	7	* Henry Spencer of the University of Toronto.
	8	*
	9	* Redistribution and use in source and binary forms, with or without
	10	* modification, are permitted provided that the following conditions
	11	* are met:
	12	* 1. Redistributions of source code must retain the above copyright
	13	* notice, this list of conditions and the following disclaimer.
	14	* 2. Redistributions in binary form must reproduce the above copyright
	15	* notice, this list of conditions and the following disclaimer in the
	16	* documentation and/or other materials provided with the distribution.
	17	* 3. All advertising materials mentioning features or use of this software
	18	* must display the following acknowledgement:
	19	* This product includes software developed by the University of
	20	* California, Berkeley and its contributors.
	21	* 4. Neither the name of the University nor the names of its contributors
	22	* may be used to endorse or promote products derived from this software
	23	* without specific prior written permission.
	24	*
	25	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	26	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	27	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	28	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	29	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	30	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	31	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	32	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	33	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	34	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	35	* SUCH DAMAGE.
	36	*
	37	* @(#)regex.h 8.2 (Berkeley) 1/3/94
a0bb9527	38	* $FreeBSD: src/include/regex.h,v 1.11 2004/07/12 06:07:26 tjr Exp $
53cde971	39	* $DragonFly: src/include/regex.h,v 1.3 2008/06/02 06:50:08 hasso Exp $
984263bc MD	40	*/
	41
	42	#ifndef _REGEX_H_
	43	#define _REGEX_H_
	44
	45	#include <sys/cdefs.h>
53cde971	46	#include <sys/types.h>
984263bc MD	47
984263bc MD	48	/* types */
a0bb9527 PA	49	typedef __off_t regoff_t;
	50
	51	#ifndef _SIZE_T_DECLARED
	52	typedef __size_t size_t;
	53	#define _SIZE_T_DECLARED
	54	#endif
984263bc MD	55
	56	typedef struct {
	57	int re_magic;
	58	size_t re_nsub; /* number of parenthesized subexpressions */
	59	__const char re_endp; / end pointer for REG_PEND */
	60	struct re_guts re_g; / none of your business :-) */
	61	} regex_t;
	62
	63	typedef struct {
	64	regoff_t rm_so; /* start of match */
	65	regoff_t rm_eo; /* end of match */
	66	} regmatch_t;
	67
	68	/* regcomp() flags */
	69	#define REG_BASIC 0000
	70	#define REG_EXTENDED 0001
	71	#define REG_ICASE 0002
	72	#define REG_NOSUB 0004
	73	#define REG_NEWLINE 0010
	74	#define REG_NOSPEC 0020
	75	#define REG_PEND 0040
	76	#define REG_DUMP 0200
	77
	78	/* regerror() flags */
a0bb9527	79	#define REG_ENOSYS (-1)
984263bc MD	80	#define REG_NOMATCH 1
	81	#define REG_BADPAT 2
	82	#define REG_ECOLLATE 3
	83	#define REG_ECTYPE 4
	84	#define REG_EESCAPE 5
	85	#define REG_ESUBREG 6
	86	#define REG_EBRACK 7
	87	#define REG_EPAREN 8
	88	#define REG_EBRACE 9
	89	#define REG_BADBR 10
	90	#define REG_ERANGE 11
	91	#define REG_ESPACE 12
	92	#define REG_BADRPT 13
	93	#define REG_EMPTY 14
	94	#define REG_ASSERT 15
	95	#define REG_INVARG 16
a0bb9527	96	#define REG_ILLSEQ 17
984263bc MD	97	#define REG_ATOI 255 /* convert name to number (!) */
	98	#define REG_ITOA 0400 /* convert number to name (!) */
	99
	100	/* regexec() flags */
	101	#define REG_NOTBOL 00001
	102	#define REG_NOTEOL 00002
	103	#define REG_STARTEND 00004
	104	#define REG_TRACE 00400 /* tracing of execution */
	105	#define REG_LARGE 01000 /* force large representation */
	106	#define REG_BACKR 02000 /* force use of backref code */
	107
	108	__BEGIN_DECLS
a0bb9527 PA	109	int regcomp(regex_t * __restrict, const char * __restrict, int);
	110	size_t regerror(int, const regex_t * __restrict, char * __restrict, size_t);
	111	/*
	112	* XXX fourth parameter should be `regmatch_t [__restrict]', but isn't because
	113	* of a bug in GCC (when -std=c99 is specified) which perceives this as a
	114	* syntax error.
	115	*/
	116	int regexec(const regex_t * __restrict, const char * __restrict, size_t,
	117	regmatch_t * __restrict, int);
	118	void regfree(regex_t *);
984263bc MD	119	__END_DECLS
	120
	121	#endif /* !_REGEX_H_ */