diff options
-rw-r--r-- | networking/ping.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/networking/ping.c b/networking/ping.c index 6945abb4a..127474ccc 100644 --- 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; |