lib/libc/locale/___runetype_mb.c

   1 /*      $NetBSD: src/lib/libc/locale/___runetype_mb.c,v 1.9 2003/08/07 16:43:03 agc Exp $       */
   2 /*      $DragonFly: src/lib/libc/locale/___runetype_mb.c,v 1.1 2005/03/16 06:54:41 joerg Exp $ */
   3
   4 /*-
   5  * Copyright (c) 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  * Paul Borman at Krystal Technologies.
  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. Neither the name of the University nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include <wctype.h>
  37 #include "rune.h"
  38 #include "rune_local.h"
  39
  40 _RuneType
  41 ___runetype_mb(wint_t c)
  42 {
  43         uint32_t x;
  44         _RuneRange *rr = &_CurrentRuneLocale->rl_runetype_ext;
  45         _RuneEntry *re = rr->rr_rune_ranges;
  46
  47         if (c == WEOF)
  48                 return(0U);
  49
  50         for (x = 0; x < rr->rr_nranges; ++x, ++re) {
  51                 /* XXX assumes wchar_t = int */
  52                 if ((__nbrune_t)c < re->re_min)
  53                         return(0U);
  54                 if ((__nbrune_t)c <= re->re_max) {
  55                         if (re->re_rune_types)
  56                                 return(re->re_rune_types[(__nbrune_t)c - re->re_min]);
  57                         else
  58                                 return(re->re_map);
  59                 }
  60         }
  61         return(0U);
  62 }