From: richardbarry <richardbarry@1d2547de-c912-0410-9cb9-b8ca96c0e9e2>
Date: Mon, 14 Oct 2013 14:35:53 +0000 (+0000)
Subject: Add a configASSERT() that checks the gateway address is on the same subnet as the... 
X-Git-Tag: V7.5.3~2
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=7e05145672de1ccab2316da5f66152bc74f76343;p=freertos

Add a configASSERT() that checks the gateway address is on the same subnet as the device in FreeRTOS+UDP.

git-svn-id: https://svn.code.sf.net/p/freertos/code/trunk@2064 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
---

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 a490e481e..dd12aa748 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 @@ static portBASE_TYPE xReturn = pdFALSE;
 				#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 */