1/* Map wide character using given mapping.
2 Copyright (C) 1996-2020 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, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <wctype.h>
20
21/* Define the lookup function. */
22#include "wchar-lookup.h"
23
24wint_t
25__towctrans (wint_t wc, wctrans_t desc)
26{
27 /* If the user passes in an invalid DESC valid (the one returned from
28 `wctrans' in case of an error) simply return the value. */
29 if (desc == (wctrans_t) 0)
30 return wc;
31
32 return wctrans_table_lookup ((const char *) desc, wc);
33}
34libc_hidden_def (__towctrans)
35weak_alias (__towctrans, towctrans)
36