Merge pull request #518 from lf-lang/port-number-mem-bug

Fix memory bug when obtaining a port number
lf-lang · Feb 11, 2025 · 141dee7 · 141dee7
2 parents 1e0267b + ced9486
commit 141dee7
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/core/federated/federate.c b/core/federated/federate.c
@@ -1978,10 +1978,13 @@ void lf_connect_to_rti(const char* hostname, int port) {
 
 void lf_create_server(int specified_port) {
   assert(specified_port <= UINT16_MAX && specified_port >= 0);
-  if (create_server(specified_port, &_fed.server_socket, (uint16_t*)&_fed.server_port, TCP, false)) {
+  uint16_t final_port;
+  if (create_server(specified_port, &_fed.server_socket, &final_port, TCP, false)) {
     lf_print_error_system_failure("RTI failed to create TCP server: %s.", strerror(errno));
   };
-  LF_PRINT_LOG("Server for communicating with other federates started using port %d.", _fed.server_port);
+
+  LF_PRINT_LOG("Server for communicating with other federates started using port %u.", final_port);
+  _fed.server_port = final_port;
 
   // Send the server port number to the RTI
   // on an MSG_TYPE_ADDRESS_ADVERTISEMENT message (@see net_common.h).