external/bsd/nvi/dist/regex/regex.h

   1 /*      $NetBSD: regex.h,v 1.2 2013/11/22 15:52:06 christos Exp $       */
   2 /*-
   3  * Copyright (c) 1992 Henry Spencer.
   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. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *      This product includes software developed by the University of
  21  *      California, Berkeley and its contributors.
  22  * 4. Neither the name of the University nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  *
  38  *      @(#)regex.h     8.1 (Berkeley) 6/2/93
  39  */
  40
  41 #ifndef _REGEX_H_
  42 #define _REGEX_H_
  43
  44 #ifdef __REGEX_PRIVATE
  45 #include "config.h"
  46 #include "port.h"
  47 #include "../common/multibyte.h"
  48 #endif
  49
  50 /* types */
  51 typedef off_t regoff_t;
  52
  53 typedef struct {
  54         int re_magic;
  55         size_t re_nsub;         /* number of parenthesized subexpressions */
  56         const RCHAR_T *re_endp; /* end pointer for REG_PEND */
  57         struct re_guts *re_g;   /* none of your business :-) */
  58 } regex_t;
  59
  60 typedef struct {
  61         regoff_t rm_so;         /* start of match */
  62         regoff_t rm_eo;         /* end of match */
  63 } regmatch_t;
  64
  65 /* regcomp() flags */
  66 #define REG_BASIC       0000
  67 #define REG_EXTENDED    0001
  68 #define REG_ICASE       0002
  69 #define REG_NOSUB       0004
  70 #define REG_NEWLINE     0010
  71 #define REG_NOSPEC      0020
  72 #define REG_PEND        0040
  73 #define REG_DUMP        0200
  74
  75 /* regerror() flags */
  76 #define REG_NOMATCH      1
  77 #define REG_BADPAT       2
  78 #define REG_ECOLLATE     3
  79 #define REG_ECTYPE       4
  80 #define REG_EESCAPE      5
  81 #define REG_ESUBREG      6
  82 #define REG_EBRACK       7
  83 #define REG_EPAREN       8
  84 #define REG_EBRACE       9
  85 #define REG_BADBR       10
  86 #define REG_ERANGE      11
  87 #define REG_ESPACE      12
  88 #define REG_BADRPT      13
  89 #define REG_EMPTY       14
  90 #define REG_ASSERT      15
  91 #define REG_INVARG      16
  92 #define REG_ATOI        255     /* convert name to number (!) */
  93 #define REG_ITOA        0400    /* convert number to name (!) */
  94
  95 /* regexec() flags */
  96 #define REG_NOTBOL      00001
  97 #define REG_NOTEOL      00002
  98 #define REG_STARTEND    00004
  99 #define REG_TRACE       00400   /* tracing of execution */
 100 #define REG_LARGE       01000   /* force large representation */
 101 #define REG_BACKR       02000   /* force use of backref code */
 102
 103 int     regcomp __P((regex_t *, const RCHAR_T *, int));
 104 size_t  regerror __P((int, const regex_t *, char *, size_t));
 105 int     regexec __P((const regex_t *,
 106             const RCHAR_T *, size_t, regmatch_t [], int));
 107 void    regfree __P((regex_t *));
 108
 109 #endif /* !_REGEX_H_ */