add: comments about hairy code

toxcore/TCP_client.c

@@ -151,7 +151,7 @@ static int socks5_read_handshake_response(TCP_Client_Connection *TCP_conn)
     if (ret == -1)
         return 0;
 
-    if (data[0] == 5 && data[1] == 0)
+    if (data[0] == 5 && data[1] == 0) // FIXME magic numbers
         return 1;
 
     return -1;

toxcore/onion_client.c

@@ -190,6 +190,7 @@ static int is_path_used(const Onion_Client_Paths *onion_paths, const Node_format
             continue;
         }
 
+        // TODO: do we really have to check it with the last node?
         if (ipport_equal(&onion_paths->paths[i].ip_port1, &nodes[ONION_PATH_LENGTH - 1].ip_port)) {
             return i;
         }