httpd: sendfile support

[oweals/busybox.git] / networking / ping.c

diff --git a/networking/ping.c b/networking/ping.c
index 6945abb4a823f102603563c666f2ea75a8a25ee9..127474ccc8b8c1f9b548ccb3b30c2099b958a885 100644 (file)
--- a/networking/ping.c
+++ b/networking/ping.c
@@ -179,7 +179,8 @@ int ping_main(int argc, char **argv)
        len_and_sockaddr *lsa;
 #if ENABLE_PING6
        sa_family_t af = AF_UNSPEC;
-       while (++argv[0][0] == '-') {
+
+       while ((++argv)[0] && argv[0][0] == '-') {
                if (argv[0][1] == '4') {
                        af = AF_INET;
                        continue;