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authorDenys Vlasenko <vda.linux@googlemail.com>2010-03-12 21:16:25 (GMT)
committer Denys Vlasenko <vda.linux@googlemail.com>2010-03-12 21:16:25 (GMT)
commit6eaeb7737d95661ca31b162977ac443ffeb7b0b3 (patch)
tree2da6c646d53984481afbddf46eafae03f04ec2a6
parentf9782ffc451a99fcd7ab54b05500dbf94e687066 (diff)
downloadbusybox-6eaeb7737d95661ca31b162977ac443ffeb7b0b3.tar.gz
busybox-6eaeb7737d95661ca31b162977ac443ffeb7b0b3.tar.bz2
tailk: fix error detected by testsuite
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--coreutils/tail.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/coreutils/tail.c b/coreutils/tail.c
index 83768d4..8fc22f5 100644
--- a/coreutils/tail.c
+++ b/coreutils/tail.c
@@ -241,7 +241,8 @@ int tail_main(int argc, char **argv)
} while (nwrite);
}
}
- xwrite(STDOUT_FILENO, buf + nread - nwrite, nwrite);
+ if (nwrite > 0)
+ xwrite(STDOUT_FILENO, buf + nread - nwrite, nwrite);
} else if (count) {
if (COUNT_BYTES) {
taillen += nread;