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Fix cast alignment warning (#669)

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* Fix cast alignment warning

Without this change, the code produces the following warning when
compiled with `-Wcast-align` flag:

```
cast increases required alignment of target type
```

Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com>
This commit is contained in:
Gaurav-Aggarwal-AWS 2023-05-08 23:01:26 +05:30 committed by GitHub
parent 4550780f0c
commit 153e52b729
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2 changed files with 9 additions and 8 deletions
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1
.github/lexicon.txt vendored
View file

@ -1606,6 +1606,7 @@ putchar
puxstackbuffer
puxvariabletoincrement
pv
pvallocatedmemory
pvbuffer
pvcallbackref
pvcomparand

16
stream_buffer.c
View file

@ -324,7 +324,7 @@ static void prvInitialiseNewStreamBuffer( StreamBuffer_t * const pxStreamBuffer,
StreamBufferCallbackFunction_t pxSendCompletedCallback,
StreamBufferCallbackFunction_t pxReceiveCompletedCallback )
{
uint8_t * pucAllocatedMemory;
void * pvAllocatedMemory;
uint8_t ucFlags;
/* In case the stream buffer is going to be used as a message buffer
@ -364,31 +364,31 @@ static void prvInitialiseNewStreamBuffer( StreamBuffer_t * const pxStreamBuffer,
if( xBufferSizeBytes < ( xBufferSizeBytes + 1 + sizeof( StreamBuffer_t ) ) )
{
xBufferSizeBytes++;
pucAllocatedMemory = ( uint8_t * ) pvPortMalloc( xBufferSizeBytes + sizeof( StreamBuffer_t ) ); /*lint !e9079 malloc() only returns void*. */
pvAllocatedMemory = pvPortMalloc( xBufferSizeBytes + sizeof( StreamBuffer_t ) );
}
else
{
pucAllocatedMemory = NULL;
pvAllocatedMemory = NULL;
}
if( pucAllocatedMemory != NULL )
if( pvAllocatedMemory != NULL )
{
prvInitialiseNewStreamBuffer( ( StreamBuffer_t * ) pucAllocatedMemory, /* Structure at the start of the allocated memory. */ /*lint !e9087 Safe cast as allocated memory is aligned. */ /*lint !e826 Area is not too small and alignment is guaranteed provided malloc() behaves as expected and returns aligned buffer. */
pucAllocatedMemory + sizeof( StreamBuffer_t ), /* Storage area follows. */ /*lint !e9016 Indexing past structure valid for uint8_t pointer, also storage area has no alignment requirement. */
prvInitialiseNewStreamBuffer( ( StreamBuffer_t * ) pvAllocatedMemory, /* Structure at the start of the allocated memory. */ /*lint !e9087 Safe cast as allocated memory is aligned. */ /*lint !e826 Area is not too small and alignment is guaranteed provided malloc() behaves as expected and returns aligned buffer. */
( ( uint8_t * ) pvAllocatedMemory ) + sizeof( StreamBuffer_t ), /* Storage area follows. */ /*lint !e9016 Indexing past structure valid for uint8_t pointer, also storage area has no alignment requirement. */
xBufferSizeBytes,
xTriggerLevelBytes,
ucFlags,
pxSendCompletedCallback,
pxReceiveCompletedCallback );
traceSTREAM_BUFFER_CREATE( ( ( StreamBuffer_t * ) pucAllocatedMemory ), xIsMessageBuffer );
traceSTREAM_BUFFER_CREATE( ( ( StreamBuffer_t * ) pvAllocatedMemory ), xIsMessageBuffer );
}
else
{
traceSTREAM_BUFFER_CREATE_FAILED( xIsMessageBuffer );
}
return ( StreamBufferHandle_t ) pucAllocatedMemory; /*lint !e9087 !e826 Safe cast as allocated memory is aligned. */
return ( StreamBufferHandle_t ) pvAllocatedMemory; /*lint !e9087 !e826 Safe cast as allocated memory is aligned. */
}
#endif /* configSUPPORT_DYNAMIC_ALLOCATION */
/*-----------------------------------------------------------*/