diff options
| author | Denys Vlasenko <vda.linux@googlemail.com> | 2019-05-14 17:46:18 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2019-05-14 17:49:14 +0200 |
| commit | 875ce094cf2d421ba05bed6cfd6c948084d52abe (patch) | |
| tree | 90bff2304d2bb604d170a16715e924b2a6947597 /libbb | |
| parent | 8c317f03f6d4d89fd7b0cc1e6eaf515040b8e701 (diff) | |
| download | busybox-875ce094cf2d421ba05bed6cfd6c948084d52abe.tar.gz | |
dd: fix handling of short result of full_write(), closes 11711
$ dd bs=1G <sda1 of=/dev/sda1
dd: error writing '/dev/sda1': No space left on device
1+0 records in
0+0 records out
999292928 bytes (953.0MB) copied, 0.784617 seconds, 1.2GB/s
function old new delta
write_and_stats 99 102 +3
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb')
| -rw-r--r-- | libbb/full_write.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libbb/full_write.c b/libbb/full_write.c index 2b7983f4c..15766fc6c 100644 --- a/libbb/full_write.c +++ b/libbb/full_write.c @@ -11,7 +11,8 @@ /* * Write all of the supplied buffer out to a file. * This does multiple writes as necessary. - * Returns the amount written, or -1 on an error. + * Returns the amount written, or -1 if error was seen + * on the very first write. */ ssize_t FAST_FUNC full_write(int fd, const void *buf, size_t len) { |