libclamav/regex/regex.h
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 /*-
  * This code is derived from OpenBSD's libc/regex, original license follows:
  *
  * 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. 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	8.1 (Berkeley) 6/2/93
  */
 
 #ifndef _REGEX_H_
 #define	_REGEX_H_
 
 #include <sys/types.h>
 
 /* types */
 typedef off_t regoff_t;
 
 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;
 
 /* cli_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
 
 /* cli_regerror() flags */
 #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_ATOI	255	/* convert name to number (!) */
 #define	REG_ITOA	0400	/* convert number to name (!) */
 
 /* cli_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 */
 
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 int	cli_regcomp_real(regex_t *, const char *, int);
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 int	cli_regcomp(regex_t *, const char *, int);
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 size_t	cli_regerror(int, const regex_t *, char *, size_t);
 int	cli_regexec(const regex_t *, const char *, size_t, regmatch_t [], int);
 void	cli_regfree(regex_t *);
 size_t  cli_strlcpy(char *dst, const char *src, size_t siz);
 
 #endif /* !_REGEX_H_ */