src/oping.c: Exit early if no host could be resolved.

Otherwise "noping" would drop the user into an empty ncurses window,
which is very confusing, annoying and unexpected.

diff --git a/src/oping.c b/src/oping.c
index 1590bfe..ca92778 100644 (file)
--- a/src/oping.c
+++ b/src/oping.c
@@ -1759,6 +1759,9 @@ int main (int argc, char **argv) /* {{{ */
                exit (EXIT_FAILURE);
        }
 
+       if (host_num == 0)
+               exit (EXIT_FAILURE);
+
 #if _POSIX_SAVED_IDS
        saved_set_uid = (uid_t) -1;
 #endif