Even more checks

src/receiver.cpp

@@ -46,7 +46,8 @@ void Receiver::loop() {
 
 	std::string daemonIP = _vm["daemon"].as<std::string>();
 	auto *unconstDaemonIP = new char[daemonIP.size()+1];
-	strncpy(unconstDaemonIP, daemonIP.c_str(), daemonIP.size());
+	unconstDaemonIP[sizeof unconstDaemonIP - 1] = 0;
+	strncpy(unconstDaemonIP, daemonIP.c_str(), sizeof(unconstDaemonIP));
         if (dlt_client_set_server_ip(&dltclient, unconstDaemonIP) == -1) {
                 BOOST_LOG_TRIVIAL(error) << "set serial ip didn't succeed";
         }