kumquat-buildroot/package/busybox/busybox-1.16.0-tail.patch

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diff -urpN busybox-1.16.0/coreutils/tail.c busybox-1.16.0-tail/coreutils/tail.c
--- busybox-1.16.0/coreutils/tail.c 2010-03-08 22:49:32.000000000 +0100
+++ busybox-1.16.0-tail/coreutils/tail.c 2010-03-12 22:16:07.105943986 +0100
@@ -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;