regex.h revision 25551
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 38 */ 39 40#ifndef _REGEX_H_ 41#define _REGEX_H_ 42 43#include <sys/cdefs.h> 44 45/* types */ 46typedef off_t regoff_t; 47 48typedef 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 55typedef 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 99int regcomp __P((regex_t *, const char *, int)); 100size_t regerror __P((int, const regex_t *, char *, size_t)); 101int regexec __P((const regex_t *, 102 const char *, size_t, regmatch_t [], int)); 103void regfree __P((regex_t *)); 104__END_DECLS 105 106#endif /* !_REGEX_H_ */ 107