lib/libc/locale/_wctrans.c

   1 /*      $NetBSD: src/lib/libc/locale/_wctrans.c,v 1.5 2003/08/07 16:43:03 agc Exp $     */
   2 /*      $DragonFly: src/lib/libc/locale/_wctrans.c,v 1.1 2005/03/16 07:54:41 joerg Exp $ */
   3
   4 /*-
   5  * Copyright (c)2003 Citrus Project,
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29
  30 /*-
  31  * Copyright (c) 1993
  32  *      The Regents of the University of California.  All rights reserved.
  33  *
  34  * This code is derived from software contributed to Berkeley by
  35  * Paul Borman at Krystal Technologies.
  36  *
  37  * Redistribution and use in source and binary forms, with or without
  38  * modification, are permitted provided that the following conditions
  39  * are met:
  40  * 1. Redistributions of source code must retain the above copyright
  41  *    notice, this list of conditions and the following disclaimer.
  42  * 2. Redistributions in binary form must reproduce the above copyright
  43  *    notice, this list of conditions and the following disclaimer in the
  44  *    documentation and/or other materials provided with the distribution.
  45  * 3. Neither the name of the University nor the names of its contributors
  46  *    may be used to endorse or promote products derived from this software
  47  *    without specific prior written permission.
  48  *
  49  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  50  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  51  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  52  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  53  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  54  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  55  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  56  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  57  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  58  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  59  * SUCH DAMAGE.
  60  */
  61
  62 #include <stdlib.h>
  63 #include <string.h>
  64 #include <wctype.h>
  65 #include "rune.h"
  66 #include "rune_local.h"
  67 #include "_wctrans_local.h"
  68
  69 /*
  70  * _wctrans_init:
  71  */
  72
  73 void
  74 _wctrans_init(_RuneLocale *rl)
  75 {
  76         rl->rl_wctrans[_WCTRANS_INDEX_LOWER].te_name = "tolower";
  77         rl->rl_wctrans[_WCTRANS_INDEX_LOWER].te_cached = rl->rl_maplower;
  78         rl->rl_wctrans[_WCTRANS_INDEX_LOWER].te_extmap = &rl->rl_maplower_ext;
  79         rl->rl_wctrans[_WCTRANS_INDEX_UPPER].te_name = "toupper";
  80         rl->rl_wctrans[_WCTRANS_INDEX_UPPER].te_cached = rl->rl_mapupper;
  81         rl->rl_wctrans[_WCTRANS_INDEX_UPPER].te_extmap = &rl->rl_mapupper_ext;
  82 }
  83
  84 /*
  85  * _wctrans_ext:
  86  *      translate a character (extended part)
  87  */
  88 wint_t
  89 _towctrans_ext(wint_t c, struct _WCTransEntry *te)
  90 {
  91         uint32_t x;
  92         _RuneRange *rr = te->te_extmap;
  93         _RuneEntry *re = rr->rr_rune_ranges;
  94
  95         if (c == WEOF)
  96                 return(c);
  97
  98         for (x = 0; x < rr->rr_nranges; ++x, ++re) {
  99                 /* XXX assumes wchar_t = int */
 100                 if ((__rune_t)c < re->re_min)
 101                         return(c);
 102                 if ((__rune_t)c <= re->re_max)
 103                         return(re->re_map + (__rune_t)c - re->re_min);
 104         }
 105         return(c);
 106 }