ping: zorbid zero timeout

Setting a timeout of zero (in fact: anything below one) makes ping wait
infinitely.  This commit exits on such values

Reviewed-by: Sami Kerola <kerolasa@iki.fi>

1 files changed, 1 insertions, 1 deletions

diff --git a/ping.c b/ping.c
index 74d74b9..48dc031 100644
--- a/ping.c
+++ b/ping.c
@@ -412,7 +412,7 @@ main(int argc, char **argv)
 			break;
 		case 'W':
 			lingertime = atoi(optarg);
-			if (lingertime < 0 || lingertime > INT_MAX/1000000)
+			if (lingertime <= 0 || lingertime > INT_MAX / 1000000) {
 				error(2, 0, "bad linger time: %s", optarg);
 			lingertime *= 1000;
 			break;