dd: fixed partial count logic

$ busybox dd if=/dev/zero of=/dev/loop0 bs=100M count=8; echo $?
8+0 records in
7+0 records out  <=========== FIXED, was 7+1
805220352 bytes (767.9MB) copied, 0.464010 seconds, 1.6GB/s
1

function                                             old     new   delta
write_and_stats                                       97      99      +2

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2018-01-10 11:04:09 +01:00
parent 5afd63a631
commit 2c876774a9

View File

@ -202,8 +202,10 @@ static bool write_and_stats(const void *buf, size_t len, size_t obs,
G.out_full++;
return 0;
}
if (n) /* > 0 */
if ((size_t)n == len) {
G.out_part++;
return 0;
}
return 1;
}