Add assert to check for overflow in xStreamBufferSendFromISR.

czjaso · czjaso · commit 95591a5269b8 · 2026-01-12T14:08:57.000-08:00
diff --git a/stream_buffer.c b/stream_buffer.c
@@ -961,6 +961,9 @@ size_t xStreamBufferSendFromISR( StreamBufferHandle_t xStreamBuffer,
     if( ( pxStreamBuffer->ucFlags & sbFLAGS_IS_MESSAGE_BUFFER ) != ( uint8_t ) 0 )
     {
         xRequiredSpace += sbBYTES_TO_STORE_MESSAGE_LENGTH;
+
+        /* Overflow? */
+        configASSERT( xRequiredSpace > xDataLengthBytes );
     }
     else
     {

Original file line number	Diff line number	Diff line change
`@@ -961,6 +961,9 @@ size_t xStreamBufferSendFromISR( StreamBufferHandle_t xStreamBuffer,`
`961`	`961`	`if( ( pxStreamBuffer->ucFlags & sbFLAGS_IS_MESSAGE_BUFFER ) != ( uint8_t ) 0 )`
`962`	`962`	`{`
`963`	`963`	`xRequiredSpace += sbBYTES_TO_STORE_MESSAGE_LENGTH;`
	`964`	`+`
	`965`	`+ /* Overflow? */`
	`966`	`+ configASSERT( xRequiredSpace > xDataLengthBytes );`
`964`	`967`	`}`
`965`	`968`	`else`
`966`	`969`	`{`