include/regex.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*-
  23  * Copyright (c) 1992 Henry Spencer.
  24  * Copyright (c) 1992, 1993
  25  *      The Regents of the University of California.  All rights reserved.
  26  *
  27  * This code is derived from software contributed to Berkeley by
  28  * Henry Spencer of the University of Toronto.
  29  *
  30  * Redistribution and use in source and binary forms, with or without
  31  * modification, are permitted provided that the following conditions
  32  * are met:
  33  * 1. Redistributions of source code must retain the above copyright
  34  *    notice, this list of conditions and the following disclaimer.
  35  * 2. Redistributions in binary form must reproduce the above copyright
  36  *    notice, this list of conditions and the following disclaimer in the
  37  *    documentation and/or other materials provided with the distribution.
  38  * 3. All advertising materials mentioning features or use of this software
  39  *    must display the following acknowledgement:
  40  *      This product includes software developed by the University of
  41  *      California, Berkeley and its contributors.
  42  * 4. Neither the name of the University nor the names of its contributors
  43  *    may be used to endorse or promote products derived from this software
  44  *    without specific prior written permission.
  45  *
  46  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  47  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  48  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  49  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  50  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  51  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  52  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  53  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  54  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  55  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  56  * SUCH DAMAGE.
  57  *
  58  *      @(#)regex.h     8.2 (Berkeley) 1/3/94
  59  */
  60
  61 #ifndef _REGEX_H_
  62 #define _REGEX_H_
  63
  64 #include <sys/cdefs.h>
  65
  66 /* types */
  67 typedef off_t regoff_t;
  68
  69 typedef struct {
  70         int re_magic;
  71         size_t re_nsub;         /* number of parenthesized subexpressions */
  72         __const char *re_endp;  /* end pointer for REG_PEND */
  73         struct re_guts *re_g;   /* none of your business :-) */
  74 } regex_t;
  75
  76 typedef struct {
  77         regoff_t rm_so;         /* start of match */
  78         regoff_t rm_eo;         /* end of match */
  79 } regmatch_t;
  80
  81 /* regcomp() flags */
  82 #define REG_BASIC       0000
  83 #define REG_EXTENDED    0001
  84 #define REG_ICASE       0002
  85 #define REG_NOSUB       0004
  86 #define REG_NEWLINE     0010
  87 #define REG_NOSPEC      0020
  88 #define REG_PEND        0040
  89 #define REG_DUMP        0200
  90
  91 /* regerror() flags */
  92 #define REG_NOMATCH      1
  93 #define REG_BADPAT       2
  94 #define REG_ECOLLATE     3
  95 #define REG_ECTYPE       4
  96 #define REG_EESCAPE      5
  97 #define REG_ESUBREG      6
  98 #define REG_EBRACK       7
  99 #define REG_EPAREN       8
 100 #define REG_EBRACE       9
 101 #define REG_BADBR       10
 102 #define REG_ERANGE      11
 103 #define REG_ESPACE      12
 104 #define REG_BADRPT      13
 105 #define REG_EMPTY       14
 106 #define REG_ASSERT      15
 107 #define REG_INVARG      16
 108 #define REG_ATOI        255     /* convert name to number (!) */
 109 #define REG_ITOA        0400    /* convert number to name (!) */
 110
 111 /* regexec() flags */
 112 #define REG_NOTBOL      00001
 113 #define REG_NOTEOL      00002
 114 #define REG_STARTEND    00004
 115 #define REG_TRACE       00400   /* tracing of execution */
 116 #define REG_LARGE       01000   /* force large representation */
 117 #define REG_BACKR       02000   /* force use of backref code */
 118
 119 __BEGIN_DECLS
 120 int     regcomp __P((regex_t *, const char *, int));
 121 size_t  regerror __P((int, const regex_t *, char *, size_t));
 122 int     regexec __P((const regex_t *,
 123             const char *, size_t, regmatch_t [], int));
 124 void    regfree __P((regex_t *));
 125 __END_DECLS
 126
 127 #endif /* !_REGEX_H_ */