From 788f8cfd7693da0b26a75c6758519d3f514ef497 Mon Sep 17 00:00:00 2001
From: chinglee-iot <61685396+chinglee-iot@users.noreply.github.com>
Date: Mon, 26 Jun 2023 15:44:33 +0800
Subject: [PATCH] Update static stream buffer size check (#693)

* Use volatile size instead of sizeof directly to prevent always
  true/false warning
---
 stream_buffer.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/stream_buffer.c b/stream_buffer.c
index cbc0939b3..2306b5d9b 100644
--- a/stream_buffer.c
+++ b/stream_buffer.c
@@ -436,11 +436,13 @@ static void prvInitialiseNewStreamBuffer( StreamBuffer_t * const pxStreamBuffer,
         configASSERT( xBufferSizeBytes > sbBYTES_TO_STORE_MESSAGE_LENGTH );
 
         #if ( configASSERT_DEFINED == 1 )
-
+        {
             /* Sanity check that the size of the structure used to declare a
              * variable of type StaticStreamBuffer_t equals the size of the real
              * message buffer structure. */
-            configASSERT( sizeof( StaticStreamBuffer_t ) == sizeof( StreamBuffer_t ) );
+            volatile size_t xSize = sizeof( StaticStreamBuffer_t );
+            configASSERT( xSize == sizeof( StreamBuffer_t ) );
+        } /*lint !e529 xSize is referenced is configASSERT() is defined. */
         #endif /* configASSERT_DEFINED */
 
         if( ( pucStreamBufferStorageArea != NULL ) && ( pxStaticStreamBuffer != NULL ) )