mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-23 19:30:10 +00:00
46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
/* Copyright (C) 1993-2015 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>.
|
|
|
|
As a special exception, if you link the code in this file with
|
|
files compiled with a GNU compiler to produce an executable,
|
|
that does not cause the resulting executable to be covered by
|
|
the GNU Lesser General Public License. This exception does not
|
|
however invalidate any other reasons why the executable file
|
|
might be covered by the GNU Lesser General Public License.
|
|
This exception applies to code released by its copyright holders
|
|
in files containing the exception. */
|
|
|
|
#include "libioP.h"
|
|
#include <wchar.h>
|
|
|
|
wint_t
|
|
ungetwc (c, fp)
|
|
wint_t c;
|
|
_IO_FILE *fp;
|
|
{
|
|
wint_t result;
|
|
CHECK_FILE (fp, WEOF);
|
|
_IO_acquire_lock (fp);
|
|
_IO_fwide (fp, 1);
|
|
if (c == WEOF)
|
|
result = WEOF;
|
|
else
|
|
result = _IO_sputbackwc (fp, c);
|
|
_IO_release_lock (fp);
|
|
return result;
|
|
}
|