Check for empty source or destination list.

diff --git a/jam.c b/jam.c
index 5047d286cfc417c4b2fd9bb62a6ef9d3f4d3a311..f6c30075a19c451f71abf7ffb35b770bd97cf637 100644 (file)
--- a/jam.c
+++ b/jam.c
@@ -169,6 +169,11 @@ int main(int argc, char **argv)
        int server_sock;
 
        parse_options(argc, argv);
+
+       if (destinations == NULL || sources == NULL) {
+               fprintf(stderr, "Missing or empty source or destination host list. Aborting.\n");
+       }
+
        server_sock = get_server_socket(port);
 
        // FIXME: fire off sender workers here