diff options
| -rw-r--r-- | libc/stdio/stdio.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libc/stdio/stdio.c b/libc/stdio/stdio.c index 1d89bb922..5a2800a05 100644 --- a/libc/stdio/stdio.c +++ b/libc/stdio/stdio.c @@ -1773,8 +1773,8 @@ void _stdio_init(void) { #ifdef __STDIO_BUFFERS /* stdin and stdout uses line buffering when connected to a tty. */ - _stdio_streams[0].modeflags &= isatty(0) * __FLAG_LBF; - _stdio_streams[1].modeflags &= isatty(1) * __FLAG_LBF; + _stdio_streams[0].modeflags ^= (1-isatty(0)) * __FLAG_LBF; + _stdio_streams[1].modeflags ^= (1-isatty(1)) * __FLAG_LBF; #endif /* __STDIO_BUFFERS */ #ifndef __UCLIBC__ /* __stdio_term is automatically when exiting if stdio is used. |