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 36 #ifndef _REGEX_H_ 37 #define _REGEX_H_ 38 39 #include <sys/cdefs.h> 40 #include <sys/_types.h> 41 42 /* types */ 43 typedef __off_t regoff_t; 44 45 #ifndef _SIZE_T_DECLARED 46 typedef __size_t size_t; 47 #define _SIZE_T_DECLARED 48 #endif 49 50 typedef struct { 51 int re_magic; 52 size_t re_nsub; /* number of parenthesized subexpressions */ 53 const char *re_endp; /* end pointer for REG_PEND */ 54 struct re_guts *re_g; /* none of your business :-) */ 55 } regex_t; 56 57 typedef struct { 58 regoff_t rm_so; /* start of match */ 59 regoff_t rm_eo; /* end of match */ 60 } regmatch_t; 61 62 /* regcomp() flags */ 63 #define REG_BASIC 0000 64 #define REG_EXTENDED 0001 65 #define REG_ICASE 0002 66 #define REG_NOSUB 0004 67 #define REG_NEWLINE 0010 68 #define REG_NOSPEC 0020 69 #define REG_PEND 0040 70 #define REG_DUMP 0200 71 #define REG_POSIX 0400 /* only POSIX-compliant regex (libregex) */ 72 73 /* regerror() flags */ 74 #define REG_ENOSYS (-1) 75 #define REG_NOMATCH 1 76 #define REG_BADPAT 2 77 #define REG_ECOLLATE 3 78 #define REG_ECTYPE 4 79 #define REG_EESCAPE 5 80 #define REG_ESUBREG 6 81 #define REG_EBRACK 7 82 #define REG_EPAREN 8 83 #define REG_EBRACE 9 84 #define REG_BADBR 10 85 #define REG_ERANGE 11 86 #define REG_ESPACE 12 87 #define REG_BADRPT 13 88 #define REG_EMPTY 14 89 #define REG_ASSERT 15 90 #define REG_INVARG 16 91 #define REG_ILLSEQ 17 92 #define REG_ATOI 255 /* convert name to number (!) */ 93 #define REG_ITOA 0400 /* convert number to name (!) */ 94 95 /* regexec() flags */ 96 #define REG_NOTBOL 00001 97 #define REG_NOTEOL 00002 98 #define REG_STARTEND 00004 99 #define REG_TRACE 00400 /* tracing of execution */ 100 #define REG_LARGE 01000 /* force large representation */ 101 #define REG_BACKR 02000 /* force use of backref code */ 102 103 __BEGIN_DECLS 104 int regcomp(regex_t * __restrict, const char * __restrict, int); 105 size_t regerror(int, const regex_t * __restrict, char * __restrict, size_t); 106 /* 107 * XXX forth parameter should be `regmatch_t [__restrict]', but isn't because 108 * of a bug in GCC 3.2 (when -std=c99 is specified) which perceives this as a 109 * syntax error. 110 */ 111 int regexec(const regex_t * __restrict, const char * __restrict, size_t, 112 regmatch_t * __restrict, int); 113 void regfree(regex_t *); 114 __END_DECLS 115 116 #endif /* !_REGEX_H_ */ 117