dd: exit with 1 if last write was incomplete
$ busybox dd if=/dev/zero of=/dev/loop0 bs=100M count=8; echo $?
8+0 records in
7+1 records out
805220352 bytes (767.9MB) copied, 0.464010 seconds, 1.6GB/s
1 <=========== FIXED
function old new delta
write_and_stats 96 97 +1
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/coreutils/dd.c b/coreutils/dd.c
index d302f35..9d173cc 100644
--- a/coreutils/dd.c
+++ b/coreutils/dd.c
@@ -195,14 +195,16 @@
ssize_t n = full_write_or_warn(buf, len, filename);
if (n < 0)
return 1;
- if ((size_t)n == obs)
- G.out_full++;
- else if (n) /* > 0 */
- G.out_part++;
#if ENABLE_FEATURE_DD_THIRD_STATUS_LINE
G.total_bytes += n;
#endif
- return 0;
+ if ((size_t)n == obs) {
+ G.out_full++;
+ return 0;
+ }
+ if (n) /* > 0 */
+ G.out_part++;
+ return 1;
}
#if ENABLE_LFS