| /* 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 |