diff options
Diffstat (limited to 'lib/binary-io.c')
| -rw-r--r-- | lib/binary-io.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/lib/binary-io.c b/lib/binary-io.c index f9cc4dd..e84e223 100644 --- a/lib/binary-io.c +++ b/lib/binary-io.c @@ -1,5 +1,5 @@ /* Binary mode I/O. - Copyright 2017-2018 Free Software Foundation, Inc. + 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 @@ -20,18 +20,20 @@ #include "binary-io.h" #if defined __DJGPP__ || defined __EMX__ -# include <errno.h> # include <unistd.h> int -__gl_setmode_check (int fd) +set_binary_mode (int fd, int mode) { if (isatty (fd)) - { - errno = EINVAL; - return -1; - } + /* 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 0; + return __gl_setmode (fd, mode); } + #endif |