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 */ 46 typedef __off_t regoff_t; 47 48 #ifndef _SIZE_T_DECLARED 49 typedef __size_t size_t; 50 #define _SIZE_T_DECLARED 51 #endif 52 53 typedef 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 60 typedef 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 107 int regcomp(regex_t * __restrict, const char * __restrict, int); 108 size_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 */ 114 int regexec(const regex_t * __restrict, const char * __restrict, size_t, 115 regmatch_t * __restrict, int); 116 void regfree(regex_t *); 117 __END_DECLS 118 119 #endif /* !_REGEX_H_ */ 120