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author | Andy Wingo <wingo@pobox.com> | 2021-01-20 21:52:54 +0100 |
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committer | Andy Wingo <wingo@pobox.com> | 2021-01-20 23:03:56 +0100 |
commit | a91b95cca2d397c84f8b9bbd602d40209a7092ce (patch) | |
tree | 2c286a291f5a2b812d6e216be10936f2709d59cf /lib/binary-io.c | |
parent | 758b31994cff582c7e8785b4cc2240dbf3573837 (diff) | |
download | guile-a91b95cca2d397c84f8b9bbd602d40209a7092ce.tar.gz |
Update Gnulib to v0.1-4379-g2ef5a9b4b
Also bump required autoconf version to 2.64, as required by Gnulib.
Diffstat (limited to 'lib/binary-io.c')
-rw-r--r-- | lib/binary-io.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/lib/binary-io.c b/lib/binary-io.c index d828bcd01..83a820a5d 100644 --- a/lib/binary-io.c +++ b/lib/binary-io.c @@ -1,4 +1,39 @@ +/* Binary mode I/O. + Copyright 2017-2021 Free Software Foundation, Inc. + + This program 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 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 Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser 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" -typedef int dummy; + +#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 |