Add a configASSERT() that checks the gateway address is on the same subnet as the device in FreeRTOS+UDP.
diff --git a/FreeRTOS-Plus/Source/FreeRTOS-Plus-UDP/FreeRTOS_UDP_IP.c b/FreeRTOS-Plus/Source/FreeRTOS-Plus-UDP/FreeRTOS_UDP_IP.c
index a490e48..dd12aa7 100644
--- a/FreeRTOS-Plus/Source/FreeRTOS-Plus-UDP/FreeRTOS_UDP_IP.c
+++ b/FreeRTOS-Plus/Source/FreeRTOS-Plus-UDP/FreeRTOS_UDP_IP.c
@@ -581,6 +581,10 @@
#else
{
*ipLOCAL_IP_ADDRESS_POINTER = xNetworkAddressing.ulDefaultIPAddress;
+
+ /* Ensure the gateway is on the same subnet as the IP
+ address. */
+ configASSERT( ( ( *ipLOCAL_IP_ADDRESS_POINTER ) & xNetworkAddressing.ulNetMask ) == ( xNetworkAddressing.ulGatewayAddress & xNetworkAddressing.ulNetMask ) );
}
#endif /* ipconfigUSE_DHCP == 1 */
