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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2018-01-10 10:58:55 +0100 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2018-01-10 10:58:55 +0100 |
| commit | 5afd63a631f49112ac305ea1532dd226e9c39d12 (patch) | |
| tree | a784d6c135a15acc44dad94539820fae054e51d9 /coreutils | |
| parent | d1df1a709f05a737d2477a08eea8c743e83f8f8f (diff) | |
| download | busybox-5afd63a631f49112ac305ea1532dd226e9c39d12.tar.gz | |
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>
Diffstat (limited to 'coreutils')
| -rw-r--r-- | coreutils/dd.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/coreutils/dd.c b/coreutils/dd.c index d302f35d3..9d173cc13 100644 --- a/coreutils/dd.c +++ b/coreutils/dd.c @@ -195,14 +195,16 @@ static bool write_and_stats(const void *buf, size_t len, size_t obs, 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 |