1 /* $OpenBSD: regex.h,v 1.6 2003/06/02 19:34:12 millert Exp $ */ 2 /* $NetBSD: regex.h,v 1.4.6.1 1996/06/10 18:57:07 explorer Exp $ */ 3 4 /*- 5 * Copyright (c) 1992 Henry Spencer. 6 * Copyright (c) 1992, 1993 7 * The Regents of the University of California. All rights reserved. 8 * 9 * This code is derived from software contributed to Berkeley by 10 * Henry Spencer of the University of Toronto. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)regex.h 8.1 (Berkeley) 6/2/93 37 */ 38 39 #ifndef _REGEX_H_ 40 #define _REGEX_H_ 41 42 #include <sys/cdefs.h> 43 #include <sys/types.h> 44 45 /* POSIX says regoff_t is at least as large as the larger of ptrdiff_t and 46 * ssize_t. BSD uses off_t, but that interacts badly with _FILE_OFFSET_BITS. */ 47 typedef ssize_t regoff_t; 48 49 typedef struct { 50 int re_magic; 51 size_t re_nsub; /* number of parenthesized subexpressions */ 52 const char * __BIONIC_COMPLICATED_NULLNESS re_endp; /* end pointer for REG_PEND */ 53 struct re_guts * __BIONIC_COMPLICATED_NULLNESS re_g; /* none of your business :-) */ 54 } regex_t; 55 56 typedef struct { 57 regoff_t rm_so; /* start of match */ 58 regoff_t rm_eo; /* end of match */ 59 } regmatch_t; 60 61 /* regcomp() flags */ 62 #define REG_BASIC 0000 63 #define REG_EXTENDED 0001 64 #define REG_ICASE 0002 65 #define REG_NOSUB 0004 66 #define REG_NEWLINE 0010 67 #define REG_NOSPEC 0020 68 #define REG_PEND 0040 69 #define REG_DUMP 0200 70 #define REG_GNU 0400 71 72 /* regerror() flags */ 73 #define REG_NOMATCH 1 74 #define REG_BADPAT 2 75 #define REG_ECOLLATE 3 76 #define REG_ECTYPE 4 77 #define REG_EESCAPE 5 78 #define REG_ESUBREG 6 79 #define REG_EBRACK 7 80 #define REG_EPAREN 8 81 #define REG_EBRACE 9 82 #define REG_BADBR 10 83 #define REG_ERANGE 11 84 #define REG_ESPACE 12 85 #define REG_BADRPT 13 86 #define REG_EMPTY 14 87 #define REG_ASSERT 15 88 #define REG_INVARG 16 89 #define REG_ILLSEQ 17 90 #define REG_ATOI 255 /* convert name to number (!) */ 91 #define REG_ITOA 0400 /* convert number to name (!) */ 92 93 /* regexec() flags */ 94 #define REG_NOTBOL 00001 95 #define REG_NOTEOL 00002 96 #define REG_STARTEND 00004 97 #define REG_TRACE 00400 /* tracing of execution */ 98 #define REG_LARGE 01000 /* force large representation */ 99 #define REG_BACKR 02000 /* force use of backref code */ 100 101 __BEGIN_DECLS 102 int regcomp(regex_t* _Nonnull __re, const char* _Nonnull __regex, int __flags); 103 size_t regerror(int __error_code, const regex_t* _Nullable __re, char* _Nullable __buf, size_t __n); 104 int regexec(const regex_t* _Nonnull __re, const char* _Nonnull __s, size_t __match_count, regmatch_t __matches[_Nullable], int __flags); 105 void regfree(regex_t* _Nonnull __re); 106 __END_DECLS 107 108 #endif 109