btowc.c

/* btowc.c: Convert unibyte character to wide character.
 * Copyright (C) 2008, 2010-2012 Free Software Foundation, Inc.
 * Written by Bruno Haible <bruno@clisp.org>, 2008.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <config.h>

/* Specification: */
#include <wchar.h>

#include <stdio.h>
#include <stdlib.h>

wint_t
btowc(int c)
{
  if (c != EOF) {
      char buf[1];
      wchar_t wc;

      buf[0] = (char)c;
	  if (mbtowc(&wc, buf, (size_t)1) >= 0) {
        return wc;
	  }
  }
  return WEOF;
}

/* EOF */