40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
|
/* Binary mode I/O.
|
||
|
|
Copyright 2017-2020 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 <unistd.h>
|
||
|
|
|
||
|
|
int
|
||
|
|
set_binary_mode (int fd, int mode)
|
||
|
|
{
|
||
|
|
if (isatty (fd))
|
||
|
|
/* If FD refers to a console (not a pipe, not a regular file),
|
||
|
|
O_TEXT is the only reasonable mode, both on input and on output.
|
||
|
|
Silently ignore the request. If we were to return -1 here,
|
||
|
|
all programs that use xset_binary_mode would fail when run
|
||
|
|
with console input or console output. */
|
||
|
|
return O_TEXT;
|
||
|
|
else
|
||
|
|
return __gl_setmode (fd, mode);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|