include/regex.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*-
  26  * Copyright (c) 1992 Henry Spencer.
  27  * Copyright (c) 1992, 1993
  28  *      The Regents of the University of California.  All rights reserved.
  29  *
  30  * This code is derived from software contributed to Berkeley by
  31  * Henry Spencer of the University of Toronto.
  32  *
  33  * Redistribution and use in source and binary forms, with or without
  34  * modification, are permitted provided that the following conditions
  35  * are met:
  36  * 1. Redistributions of source code must retain the above copyright
  37  *    notice, this list of conditions and the following disclaimer.
  38  * 2. Redistributions in binary form must reproduce the above copyright
  39  *    notice, this list of conditions and the following disclaimer in the
  40  *    documentation and/or other materials provided with the distribution.
  41  * 3. All advertising materials mentioning features or use of this software
  42  *    must display the following acknowledgement:
  43  *      This product includes software developed by the University of
  44  *      California, Berkeley and its contributors.
  45  * 4. Neither the name of the University nor the names of its contributors
  46  *    may be used to endorse or promote products derived from this software
  47  *    without specific prior written permission.
  48  *
  49  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  50  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  51  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  52  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  53  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  54  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  55  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  56  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  57  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  58  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  59  * SUCH DAMAGE.
  60  *
  61  *      @(#)regex.h     8.2 (Berkeley) 1/3/94
  62  */
  63
  64 #ifndef _REGEX_H_
  65 #define _REGEX_H_
  66
  67 #include <sys/cdefs.h>
  68 #include <sys/_types.h>
  69
  70 /* types */
  71 typedef __off_t regoff_t;
  72
  73 #ifndef _BSD_SIZE_T_DEFINED_
  74 #define _BSD_SIZE_T_DEFINED_
  75 typedef __size_t        size_t;
  76 #endif
  77
  78 typedef struct {
  79         int re_magic;
  80         size_t re_nsub;         /* number of parenthesized subexpressions */
  81         const char *re_endp;    /* end pointer for REG_PEND */
  82         struct re_guts *re_g;   /* none of your business :-) */
  83 } regex_t;
  84
  85 typedef struct {
  86         regoff_t rm_so;         /* start of match */
  87         regoff_t rm_eo;         /* end of match */
  88 } regmatch_t;
  89
  90 /* regcomp() flags */
  91 #ifndef _POSIX_SOURCE
  92 #define REG_BASIC       0000
  93 #endif  /* !_POSIX_SOURCE */
  94 #define REG_EXTENDED    0001
  95 #define REG_ICASE       0002
  96 #define REG_NOSUB       0004
  97 #define REG_NEWLINE     0010
  98 #ifndef _POSIX_SOURCE
  99 #define REG_NOSPEC      0020
 100 #define REG_PEND        0040
 101 #define REG_DUMP        0200
 102 #endif  /* !_POSIX_SOURCE */
 103
 104 /* regerror() flags */
 105 #define REG_ENOSYS       (-1)   /* Reserved */
 106 #define REG_NOMATCH      1
 107 #define REG_BADPAT       2
 108 #define REG_ECOLLATE     3
 109 #define REG_ECTYPE       4
 110 #define REG_EESCAPE      5
 111 #define REG_ESUBREG      6
 112 #define REG_EBRACK       7
 113 #define REG_EPAREN       8
 114 #define REG_EBRACE       9
 115 #define REG_BADBR       10
 116 #define REG_ERANGE      11
 117 #define REG_ESPACE      12
 118 #define REG_BADRPT      13
 119 #ifndef _POSIX_SOURCE
 120 #define REG_EMPTY       14
 121 #define REG_ASSERT      15
 122 #define REG_INVARG      16
 123 #define REG_ATOI        255     /* convert name to number (!) */
 124 #define REG_ITOA        0400    /* convert number to name (!) */
 125 #endif  /* !_POSIX_SOURCE */
 126
 127 /* regexec() flags */
 128 #define REG_NOTBOL      00001
 129 #define REG_NOTEOL      00002
 130 #ifndef _POSIX_SOURCE
 131 #define REG_STARTEND    00004
 132 #define REG_TRACE       00400   /* tracing of execution */
 133 #define REG_LARGE       01000   /* force large representation */
 134 #define REG_BACKR       02000   /* force use of backref code */
 135 #endif  /* !_POSIX_SOURCE */
 136
 137 __BEGIN_DECLS
 138 int     regcomp(regex_t * __restrict, const char * __restrict, int);
 139 size_t  regerror(int, const regex_t * __restrict, char * __restrict, size_t);
 140 int     regexec(const regex_t * __restrict,
 141             const char * __restrict, size_t, regmatch_t [ __restrict], int);
 142 void    regfree(regex_t *);
 143 __END_DECLS
 144
 145 #endif /* !_REGEX_H_ */