dist/nvi/regex/regex.h

   1 /*      $NetBSD$ */
   2
   3 /*-
   4  * Copyright (c) 1992 Henry Spencer.
   5  * Copyright (c) 1992, 1993
   6  *      The Regents of the University of California.  All rights reserved.
   7  *
   8  * This code is derived from software contributed to Berkeley by
   9  * Henry Spencer of the University of Toronto.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  * 3. All advertising materials mentioning features or use of this software
  20  *    must display the following acknowledgement:
  21  *      This product includes software developed by the University of
  22  *      California, Berkeley and its contributors.
  23  * 4. Neither the name of the University nor the names of its contributors
  24  *    may be used to endorse or promote products derived from this software
  25  *    without specific prior written permission.
  26  *
  27  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  28  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  29  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  30  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  31  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  32  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  33  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  34  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  35  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  36  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  37  * SUCH DAMAGE.
  38  *
  39  *      @(#)regex.h     8.1 (Berkeley) 6/2/93
  40  */
  41
  42 #ifndef _REGEX_H_
  43 #define _REGEX_H_
  44
  45 #ifdef __REGEX_PRIVATE
  46 #include "config.h"
  47 #include "port.h"
  48 #include "../common/multibyte.h"
  49 #endif
  50
  51 /* types */
  52 typedef off_t regoff_t;
  53
  54 typedef struct {
  55         int re_magic;
  56         size_t re_nsub;         /* number of parenthesized subexpressions */
  57         const RCHAR_T *re_endp; /* end pointer for REG_PEND */
  58         struct re_guts *re_g;   /* none of your business :-) */
  59 } regex_t;
  60
  61 typedef struct {
  62         regoff_t rm_so;         /* start of match */
  63         regoff_t rm_eo;         /* end of match */
  64 } regmatch_t;
  65
  66 /* regcomp() flags */
  67 #define REG_BASIC       0000
  68 #define REG_EXTENDED    0001
  69 #define REG_ICASE       0002
  70 #define REG_NOSUB       0004
  71 #define REG_NEWLINE     0010
  72 #define REG_NOSPEC      0020
  73 #define REG_PEND        0040
  74 #define REG_DUMP        0200
  75
  76 /* regerror() flags */
  77 #define REG_NOMATCH      1
  78 #define REG_BADPAT       2
  79 #define REG_ECOLLATE     3
  80 #define REG_ECTYPE       4
  81 #define REG_EESCAPE      5
  82 #define REG_ESUBREG      6
  83 #define REG_EBRACK       7
  84 #define REG_EPAREN       8
  85 #define REG_EBRACE       9
  86 #define REG_BADBR       10
  87 #define REG_ERANGE      11
  88 #define REG_ESPACE      12
  89 #define REG_BADRPT      13
  90 #define REG_EMPTY       14
  91 #define REG_ASSERT      15
  92 #define REG_INVARG      16
  93 #define REG_ATOI        255     /* convert name to number (!) */
  94 #define REG_ITOA        0400    /* convert number to name (!) */
  95
  96 /* regexec() flags */
  97 #define REG_NOTBOL      00001
  98 #define REG_NOTEOL      00002
  99 #define REG_STARTEND    00004
 100 #define REG_TRACE       00400   /* tracing of execution */
 101 #define REG_LARGE       01000   /* force large representation */
 102 #define REG_BACKR       02000   /* force use of backref code */
 103
 104 int     regcomp __P((regex_t *, const RCHAR_T *, int));
 105 size_t  regerror __P((int, const regex_t *, char *, size_t));
 106 int     regexec __P((const regex_t *,
 107             const RCHAR_T *, size_t, regmatch_t [], int));
 108 void    regfree __P((regex_t *));
 109
 110 #endif /* !_REGEX_H_ */