wctype/towctrans.c

   1 /* Map wide character using given mapping.
   2    Copyright (C) 1996, 1997, 2000, 2004 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <wctype.h>
  21
  22 /* Define the lookup function.  */
  23 #include "wchar-lookup.h"
  24
  25 wint_t
  26 __towctrans (wint_t wc, wctrans_t desc)
  27 {
  28   /* If the user passes in an invalid DESC valid (the one returned from
  29      `wctrans' in case of an error) simply return the value.  */
  30   if (desc == (wctrans_t) 0)
  31     return wc;
  32
  33   return wctrans_table_lookup ((const char *) desc, wc);
  34 }
  35 libc_hidden_def (__towctrans)
  36 weak_alias (__towctrans, towctrans)