wctype/wctrans.c

   1 /* Copyright (C) 1996-2020 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@gnu.org>, 1996.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <inttypes.h>
  20 #include <string.h>
  21 #include <wctype.h>
  22 #include "../locale/localeinfo.h"
  23
  24 wctrans_t
  25 __wctrans (const char *property)
  26 {
  27   const char *names;
  28   size_t cnt;
  29   size_t i;
  30
  31   names = _NL_CURRENT (LC_CTYPE, _NL_CTYPE_MAP_NAMES);
  32   cnt = 0;
  33   while (names[0] != '\0')
  34     {
  35       if (strcmp (property, names) == 0)
  36         break;
  37
  38       names = strchr (names, '\0') + 1;
  39       ++cnt;
  40     }
  41
  42   if (names[0] == '\0')
  43     return 0;
  44
  45   i = _NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_MAP_OFFSET) + cnt;
  46   return (wctrans_t) _NL_CURRENT_DATA (LC_CTYPE)->values[i].string;
  47 }
  48 weak_alias (__wctrans, wctrans)