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/* Binary mode I/O.
Copyright 2017-2019 Free Software Foundation, Inc.
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 <https://www.gnu.org/licenses/>. */
#include <config.h>
#define BINARY_IO_INLINE _GL_EXTERN_INLINE
#include "binary-io.h"
#if defined __DJGPP__ || defined __EMX__
# include <errno.h>
# include <unistd.h>
int
__gl_setmode_check (int fd)
{
if (isatty (fd))
{
errno = EINVAL;
return -1;
}
else
return 0;
}
#endif
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