diff options
Diffstat (limited to 'libgfortran/io/unix.c')
| -rw-r--r-- | libgfortran/io/unix.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/libgfortran/io/unix.c b/libgfortran/io/unix.c index 2026a36..0fe8c4b 100644 --- a/libgfortran/io/unix.c +++ b/libgfortran/io/unix.c @@ -228,6 +228,23 @@ is_preconnected (stream * s) return 0; } +/* If the stream corresponds to a preconnected unit, we flush the + corresponding C stream. This is bugware for mixed C-Fortran codes + where the C code doesn't flush I/O before returning. */ +void +flush_if_preconnected (stream * s) +{ + int fd; + + fd = ((unix_stream *) s)->fd; + if (fd == STDIN_FILENO) + fflush (stdin); + else if (fd == STDOUT_FILENO) + fflush (stdout); + else if (fd == STDERR_FILENO) + fflush (stderr); +} + /* Reset a stream after reading/writing. Assumes that the buffers have been flushed. */ |