summaryrefslogtreecommitdiff
path: root/gnulib-tests/wctob.c
blob: 508f896be6d25466b5ba91ced4e767b0e304c2f5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
/* Convert wide character to unibyte character.
   Copyright (C) 2008, 2010-2013 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>

int
wctob (wint_t wc)
{
  char buf[64];

  if (!(MB_CUR_MAX <= sizeof (buf)))
    abort ();
  /* Handle the case where WEOF is a value that does not fit in a wchar_t.  */
  if (wc == (wchar_t)wc)
    if (wctomb (buf, (wchar_t)wc) == 1)
      return (unsigned char) buf[0];
  return EOF;
}