From 6eaeb7737d95661ca31b162977ac443ffeb7b0b3 Mon Sep 17 00:00:00 2001
From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Fri, 12 Mar 2010 22:16:25 +0100
Subject: tailk: fix error detected by testsuite
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
coreutils/tail.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/coreutils/tail.c b/coreutils/tail.c
index 83768d420..8fc22f562 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;
--
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