Blame gnulib-tests/wctob.c

Packit 33f14e
/* Convert wide character to unibyte character.
Packit 33f14e
   Copyright (C) 2008, 2010-2017 Free Software Foundation, Inc.
Packit 33f14e
   Written by Bruno Haible <bruno@clisp.org>, 2008.
Packit 33f14e
Packit 33f14e
   This program is free software: you can redistribute it and/or modify
Packit 33f14e
   it under the terms of the GNU General Public License as published by
Packit 33f14e
   the Free Software Foundation; either version 3 of the License, or
Packit 33f14e
   (at your option) any later version.
Packit 33f14e
Packit 33f14e
   This program is distributed in the hope that it will be useful,
Packit 33f14e
   but WITHOUT ANY WARRANTY; without even the implied warranty of
Packit 33f14e
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Packit 33f14e
   GNU General Public License for more details.
Packit 33f14e
Packit 33f14e
   You should have received a copy of the GNU General Public License
Packit 33f14e
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
Packit 33f14e
Packit 33f14e
#include <config.h>
Packit 33f14e
Packit 33f14e
/* Specification.  */
Packit 33f14e
#include <wchar.h>
Packit 33f14e
Packit 33f14e
#include <stdio.h>
Packit 33f14e
#include <stdlib.h>
Packit 33f14e
Packit 33f14e
int
Packit 33f14e
wctob (wint_t wc)
Packit 33f14e
{
Packit 33f14e
  char buf[64];
Packit 33f14e
Packit 33f14e
  if (!(MB_CUR_MAX <= sizeof (buf)))
Packit 33f14e
    abort ();
Packit 33f14e
  /* Handle the case where WEOF is a value that does not fit in a wchar_t.  */
Packit 33f14e
  if (wc == (wchar_t)wc)
Packit 33f14e
    if (wctomb (buf, (wchar_t)wc) == 1)
Packit 33f14e
      return (unsigned char) buf[0];
Packit 33f14e
  return EOF;
Packit 33f14e
}