1/*- 2 * SPDX-License-Identifier: BSD-3-Clause 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. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)regex.h 8.2 (Berkeley) 1/3/94 36 * $FreeBSD$ 37 */ 38 39#ifndef _REGEX_H_ 40#define _REGEX_H_ 41 42#include <sys/cdefs.h> 43#include <sys/_types.h> 44 45/* types */ 46typedef __off_t regoff_t; 47 48#ifndef _SIZE_T_DECLARED 49typedef __size_t size_t; 50#define _SIZE_T_DECLARED 51#endif 52 53typedef struct { 54 int re_magic; 55 size_t re_nsub; /* number of parenthesized subexpressions */ 56 const char *re_endp; /* end pointer for REG_PEND */ 57 struct re_guts *re_g; /* none of your business :-) */ 58} regex_t; 59 60typedef struct { 61 regoff_t rm_so; /* start of match */ 62 regoff_t rm_eo; /* end of match */ 63} regmatch_t; 64 65/* regcomp() flags */ 66#define REG_BASIC 0000 67#define REG_EXTENDED 0001 68#define REG_ICASE 0002 69#define REG_NOSUB 0004 70#define REG_NEWLINE 0010 71#define REG_NOSPEC 0020 72#define REG_PEND 0040 73#define REG_DUMP 0200 74#define REG_POSIX 0400 /* only POSIX-compliant regex (libregex) */ 75 76/* regerror() flags */ 77#define REG_ENOSYS (-1) 78#define REG_NOMATCH 1 79#define REG_BADPAT 2 80#define REG_ECOLLATE 3 81#define REG_ECTYPE 4 82#define REG_EESCAPE 5 83#define REG_ESUBREG 6 84#define REG_EBRACK 7 85#define REG_EPAREN 8 86#define REG_EBRACE 9 87#define REG_BADBR 10 88#define REG_ERANGE 11 89#define REG_ESPACE 12 90#define REG_BADRPT 13 91#define REG_EMPTY 14 92#define REG_ASSERT 15 93#define REG_INVARG 16 94#define REG_ILLSEQ 17 95#define REG_ATOI 255 /* convert name to number (!) */ 96#define REG_ITOA 0400 /* convert number to name (!) */ 97 98/* regexec() flags */ 99#define REG_NOTBOL 00001 100#define REG_NOTEOL 00002 101#define REG_STARTEND 00004 102#define REG_TRACE 00400 /* tracing of execution */ 103#define REG_LARGE 01000 /* force large representation */ 104#define REG_BACKR 02000 /* force use of backref code */ 105 106__BEGIN_DECLS 107int regcomp(regex_t * __restrict, const char * __restrict, int); 108size_t regerror(int, const regex_t * __restrict, char * __restrict, size_t); 109/* 110 * XXX forth parameter should be `regmatch_t [__restrict]', but isn't because 111 * of a bug in GCC 3.2 (when -std=c99 is specified) which perceives this as a 112 * syntax error. 113 */ 114int regexec(const regex_t * __restrict, const char * __restrict, size_t, 115 regmatch_t * __restrict, int); 116void regfree(regex_t *); 117__END_DECLS 118 119#endif /* !_REGEX_H_ */ 120