include/regex.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*-
  24  * Copyright (c) 1992 Henry Spencer.
  25  * Copyright (c) 1992, 1993
  26  *      The Regents of the University of California.  All rights reserved.
  27  *
  28  * This code is derived from software contributed to Berkeley by
  29  * Henry Spencer of the University of Toronto.
  30  *
  31  * Redistribution and use in source and binary forms, with or without
  32  * modification, are permitted provided that the following conditions
  33  * are met:
  34  * 1. Redistributions of source code must retain the above copyright
  35  *    notice, this list of conditions and the following disclaimer.
  36  * 2. Redistributions in binary form must reproduce the above copyright
  37  *    notice, this list of conditions and the following disclaimer in the
  38  *    documentation and/or other materials provided with the distribution.
  39  * 3. All advertising materials mentioning features or use of this software
  40  *    must display the following acknowledgement:
  41  *      This product includes software developed by the University of
  42  *      California, Berkeley and its contributors.
  43  * 4. Neither the name of the University nor the names of its contributors
  44  *    may be used to endorse or promote products derived from this software
  45  *    without specific prior written permission.
  46  *
  47  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  48  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  49  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  50  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  51  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  52  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  53  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  54  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  55  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  56  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  57  * SUCH DAMAGE.
  58  *
  59  *      @(#)regex.h     8.2 (Berkeley) 1/3/94
  60  */
  61
  62 #ifndef _REGEX_H_
  63 #define _REGEX_H_
  64
  65 #include <sys/cdefs.h>
  66 #include <_types.h>
  67
  68 /* types */
  69 typedef __darwin_off_t regoff_t;
  70
  71 #ifndef _SIZE_T
  72 #define _SIZE_T
  73 typedef __darwin_size_t size_t;
  74 #endif
  75
  76 typedef struct {
  77         int re_magic;
  78         size_t re_nsub;         /* number of parenthesized subexpressions */
  79         const char *re_endp;    /* end pointer for REG_PEND */
  80         struct re_guts *re_g;   /* none of your business :-) */
  81 } regex_t;
  82
  83 typedef struct {
  84         regoff_t rm_so;         /* start of match */
  85         regoff_t rm_eo;         /* end of match */
  86 } regmatch_t;
  87
  88 /* regcomp() flags */
  89 #ifndef _POSIX_C_SOURCE
  90 #define REG_BASIC       0000
  91 #endif  /* !_POSIX_C_SOURCE */
  92 #define REG_EXTENDED    0001
  93 #define REG_ICASE       0002
  94 #define REG_NOSUB       0004
  95 #define REG_NEWLINE     0010
  96 #ifndef _POSIX_C_SOURCE
  97 #define REG_NOSPEC      0020
  98 #define REG_PEND        0040
  99 #define REG_DUMP        0200
 100 #endif  /* !_POSIX_C_SOURCE */
 101
 102 /* regerror() flags */
 103 #define REG_ENOSYS       (-1)   /* Reserved */
 104 #define REG_NOMATCH      1
 105 #define REG_BADPAT       2
 106 #define REG_ECOLLATE     3
 107 #define REG_ECTYPE       4
 108 #define REG_EESCAPE      5
 109 #define REG_ESUBREG      6
 110 #define REG_EBRACK       7
 111 #define REG_EPAREN       8
 112 #define REG_EBRACE       9
 113 #define REG_BADBR       10
 114 #define REG_ERANGE      11
 115 #define REG_ESPACE      12
 116 #define REG_BADRPT      13
 117 #ifndef _POSIX_C_SOURCE
 118 #define REG_EMPTY       14
 119 #define REG_ASSERT      15
 120 #define REG_INVARG      16
 121 #define REG_ILLSEQ      17
 122 #define REG_ATOI        255     /* convert name to number (!) */
 123 #define REG_ITOA        0400    /* convert number to name (!) */
 124 #endif  /* !_POSIX_C_SOURCE */
 125
 126 /* regexec() flags */
 127 #define REG_NOTBOL      00001
 128 #define REG_NOTEOL      00002
 129 #ifndef _POSIX_C_SOURCE
 130 #define REG_STARTEND    00004
 131 #define REG_TRACE       00400   /* tracing of execution */
 132 #define REG_LARGE       01000   /* force large representation */
 133 #define REG_BACKR       02000   /* force use of backref code */
 134 #endif  /* !_POSIX_C_SOURCE */
 135
 136 __BEGIN_DECLS
 137 int     regcomp(regex_t * __restrict, const char * __restrict, int) __DARWIN_ALIAS(regcomp);
 138 size_t  regerror(int, const regex_t * __restrict, char * __restrict, size_t);
 139 /* For meeting c99 stds, pass regmatch_t*, rather than the array */
 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_ */