diff options
| author | H. Peter Anvin <hpa@linux.intel.com> | 2012-05-15 14:01:19 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2012-05-15 14:01:19 -0700 |
| commit | e63d2ad42dc930e453b39cd5c27b30554d5ba6ec (patch) | |
| tree | e4324c85644b3223dc94ab4e581cc2a80c20ace0 | |
| parent | 00814c0aa91073f388ef53474e5042b4382911d7 (diff) | |
| download | klibc-e63d2ad42dc930e453b39cd5c27b30554d5ba6ec.tar.gz | |
[klibc] fflush: only flush output streams for fflush(NULL)
If we call fflush(NULL), only flush output streams; in particular,
don't flush input streams...
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
| -rw-r--r-- | usr/klibc/stdio/fflush.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/usr/klibc/stdio/fflush.c b/usr/klibc/stdio/fflush.c index 03fb29618bb87..56f477155de4f 100644 --- a/usr/klibc/stdio/fflush.c +++ b/usr/klibc/stdio/fflush.c @@ -47,9 +47,12 @@ int fflush(FILE *file) } else { int err = 0; - for (f = __stdio_headnode.next; f != &__stdio_headnode; - f = f->next) - err |= __fflush(f); + for (f = __stdio_headnode.next; + f != &__stdio_headnode; + f = f->next) { + if (f->obytes) + err |= __fflush(f); + } return err; } } |