1/* Convert unibyte character to wide character.
2   Copyright (C) 2008, 2010-2014 Free Software Foundation, Inc.
3   Written by Bruno Haible <bruno@clisp.org>, 2008.
4
5   This program is free software: you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by
7   the Free Software Foundation; either version 3 of the License, or
8   (at your option) any later version.
9
10   This program 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
13   GNU General Public License for more details.
14
15   You should have received a copy of the GNU General Public License
16   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
17
18#include <config.h>
19
20/* Specification.  */
21#include <wchar.h>
22
23#include <stdio.h>
24#include <stdlib.h>
25
26wint_t
27btowc (int c)
28{
29  if (c != EOF)
30    {
31      char buf[1];
32      wchar_t wc;
33
34      buf[0] = c;
35      if (mbtowc (&wc, buf, 1) >= 0)
36        return wc;
37    }
38  return WEOF;
39}
40