include/regex.h

   1 /*      $NetBSD: regex.h,v 1.13 2005/09/13 01:44:32 christos Exp $      */
   2
   3 /*-
   4  * Copyright (c) 1992, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * Henry Spencer of the University of Toronto.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. Neither the name of the University nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  *      @(#)regex.h     8.2 (Berkeley) 1/3/94
  35  */
  36
  37 /*-
  38  * Copyright (c) 1992 Henry Spencer.
  39  *
  40  * This code is derived from software contributed to Berkeley by
  41  * Henry Spencer of the University of Toronto.
  42  *
  43  * Redistribution and use in source and binary forms, with or without
  44  * modification, are permitted provided that the following conditions
  45  * are met:
  46  * 1. Redistributions of source code must retain the above copyright
  47  *    notice, this list of conditions and the following disclaimer.
  48  * 2. Redistributions in binary form must reproduce the above copyright
  49  *    notice, this list of conditions and the following disclaimer in the
  50  *    documentation and/or other materials provided with the distribution.
  51  * 3. All advertising materials mentioning features or use of this software
  52  *    must display the following acknowledgement:
  53  *      This product includes software developed by the University of
  54  *      California, Berkeley and its contributors.
  55  * 4. Neither the name of the University nor the names of its contributors
  56  *    may be used to endorse or promote products derived from this software
  57  *    without specific prior written permission.
  58  *
  59  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  60  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  61  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  62  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  63  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  64  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  65  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  66  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  67  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  68  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  69  * SUCH DAMAGE.
  70  *
  71  *      @(#)regex.h     8.2 (Berkeley) 1/3/94
  72  */
  73
  74 #ifndef _REGEX_H_
  75 #define _REGEX_H_
  76
  77 #include <sys/cdefs.h>
  78 #include <sys/types.h>
  79
  80 /* types */
  81 typedef off_t regoff_t;
  82
  83 typedef struct {
  84         int re_magic;
  85         size_t re_nsub;         /* number of parenthesized subexpressions */
  86         const char *re_endp;    /* end pointer for REG_PEND */
  87         struct re_guts *re_g;   /* none of your business :-) */
  88 } regex_t;
  89
  90 typedef struct {
  91         regoff_t rm_so;         /* start of match */
  92         regoff_t rm_eo;         /* end of match */
  93 } regmatch_t;
  94
  95 /* regcomp() flags */
  96 #define REG_BASIC       0000
  97 #define REG_EXTENDED    0001
  98 #define REG_ICASE       0002
  99 #define REG_NOSUB       0004
 100 #define REG_NEWLINE     0010
 101 #define REG_NOSPEC      0020
 102 #define REG_PEND        0040
 103 #define REG_DUMP        0200
 104
 105 /* regerror() flags */
 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 #define REG_EMPTY       14
 120 #define REG_ASSERT      15
 121 #define REG_INVARG      16
 122 #define REG_ENOSYS      17
 123 #define REG_ATOI        255     /* convert name to number (!) */
 124 #define REG_ITOA        0400    /* convert number to name (!) */
 125
 126 /* regexec() flags */
 127 #define REG_NOTBOL      00001
 128 #define REG_NOTEOL      00002
 129 #define REG_STARTEND    00004
 130 #define REG_TRACE       00400   /* tracing of execution */
 131 #define REG_LARGE       01000   /* force large representation */
 132 #define REG_BACKR       02000   /* force use of backref code */
 133
 134 __BEGIN_DECLS
 135 int     regcomp(regex_t * __restrict, const char * __restrict, int);
 136 size_t  regerror(int, const regex_t * __restrict, char * __restrict, size_t);
 137 int     regexec(const regex_t * __restrict,
 138             const char * __restrict, size_t, regmatch_t [], int);
 139 void    regfree(regex_t *);
 140 __END_DECLS
 141
 142 #endif /* !_REGEX_H_ */