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. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)regex.h 8.2 (Berkeley) 1/3/94 34 * $FreeBSD$ 35 */ 36 37 #ifndef _REGEX_H_ 38 #define _REGEX_H_ 39 40 #include <sys/cdefs.h> 41 #include <sys/_types.h> 42 43 /* types */ 44 typedef __off_t regoff_t; 45 46 #ifndef _SIZE_T_DECLARED 47 typedef __size_t size_t; 48 #define _SIZE_T_DECLARED 49 #endif 50 51 typedef struct { 52 int re_magic; 53 size_t re_nsub; /* number of parenthesized subexpressions */ 54 const char *re_endp; /* end pointer for REG_PEND */ 55 struct re_guts *re_g; /* none of your business :-) */ 56 } regex_t; 57 58 typedef struct { 59 regoff_t rm_so; /* start of match */ 60 regoff_t rm_eo; /* end of match */ 61 } regmatch_t; 62 63 /* regcomp() flags */ 64 #define REG_BASIC 0000 65 #define REG_EXTENDED 0001 66 #define REG_ICASE 0002 67 #define REG_NOSUB 0004 68 #define REG_NEWLINE 0010 69 #define REG_NOSPEC 0020 70 #define REG_PEND 0040 71 #define REG_DUMP 0200 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