len0rd/FreeRTOS-Kernel
1
0
Fork 0
mirror of https://github.com/FreeRTOS/FreeRTOS-Kernel.git synced 2025-08-19 09:38:32 -04:00
Code Issues Projects Releases Packages Wiki Activity

Suppress MISRA C:2012 rule 11.5 deviations (#878)

Browse source 
* Suppress MISRA C:2012 rule 11.5 deviations by comment also remove this rule in global config

---------

Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com>
Co-authored-by: Ubuntu <ubuntu@ip-172-31-34-245.ap-northeast-1.compute.internal>
Co-authored-by: Rahul Kar <karahulx@amazon.com>
Co-authored-by: Soren Ptak <ptaksoren@gmail.com>
Co-authored-by: Gaurav-Aggarwal-AWS <33462878+aggarg@users.noreply.github.com>
Co-authored-by: Gaurav Aggarwal <aggarg@amazon.com>
This commit is contained in:
chinglee-iot 2023-12-06 09:51:52 +08:00 • committed by GitHub
parent cd5c774b2b
commit 84c0047ccd
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
7 changed files with 191 additions and 76 deletions
Download patch file Download diff file Expand all files Collapse all files

25
stream_buffer.c
View file

@ -374,8 +374,14 @@ static void prvInitialiseNewStreamBuffer( StreamBuffer_t * const pxStreamBuffer,
if( pvAllocatedMemory != NULL )
{
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. */
/* MISRA Ref 11.5.1 [Malloc memory assignment] */
/* More details at: https://github.com/FreeRTOS/FreeRTOS-Kernel/blob/main/MISRA.md#rule-115 */
/* coverity[misra_c_2012_rule_11_5_violation] */
prvInitialiseNewStreamBuffer( ( StreamBuffer_t * ) pvAllocatedMemory, /* Structure at the start of the allocated memory. */
/* MISRA Ref 11.5.1 [Malloc memory assignment] */
/* More details at: https://github.com/FreeRTOS/FreeRTOS-Kernel/blob/main/MISRA.md#rule-115 */
/* coverity[misra_c_2012_rule_11_5_violation] */
( ( uint8_t * ) pvAllocatedMemory ) + sizeof( StreamBuffer_t ), /* Storage area follows. */
xBufferSizeBytes,
xTriggerLevelBytes,
ucFlags,
@ -391,7 +397,10 @@ static void prvInitialiseNewStreamBuffer( StreamBuffer_t * const pxStreamBuffer,
traceRETURN_xStreamBufferGenericCreate( pvAllocatedMemory );
return ( StreamBufferHandle_t ) pvAllocatedMemory; /*lint !e9087 !e826 Safe cast as allocated memory is aligned. */
/* MISRA Ref 11.5.1 [Malloc memory assignment] */
/* More details at: https://github.com/FreeRTOS/FreeRTOS-Kernel/blob/main/MISRA.md#rule-115 */
/* coverity[misra_c_2012_rule_11_5_violation] */
return ( StreamBufferHandle_t ) pvAllocatedMemory;
}
#endif /* configSUPPORT_DYNAMIC_ALLOCATION */
/*-----------------------------------------------------------*/
@ -940,7 +949,10 @@ static size_t prvWriteMessageToBuffer( StreamBuffer_t * const pxStreamBuffer,
if( xDataLengthBytes != ( size_t ) 0 )
{
/* Write the data to the buffer. */
pxStreamBuffer->xHead = prvWriteBytesToBuffer( pxStreamBuffer, ( const uint8_t * ) pvTxData, xDataLengthBytes, xNextHead ); /*lint !e9079 Storage buffer is implemented as uint8_t for ease of sizing, alignment and access. */
/* MISRA Ref 11.5.5 [Void pointer assignment] */
/* More details at: https://github.com/FreeRTOS/FreeRTOS-Kernel/blob/main/MISRA.md#rule-115 */
/* coverity[misra_c_2012_rule_11_5_violation] */
pxStreamBuffer->xHead = prvWriteBytesToBuffer( pxStreamBuffer, ( const uint8_t * ) pvTxData, xDataLengthBytes, xNextHead );
}
return xDataLengthBytes;
@ -1204,7 +1216,10 @@ static size_t prvReadMessageFromBuffer( StreamBuffer_t * pxStreamBuffer,
if( xCount != ( size_t ) 0 )
{
/* Read the actual data and update the tail to mark the data as officially consumed. */
pxStreamBuffer->xTail = prvReadBytesFromBuffer( pxStreamBuffer, ( uint8_t * ) pvRxData, xCount, xNextTail ); /*lint !e9079 Data storage area is implemented as uint8_t array for ease of sizing, indexing and alignment. */
/* MISRA Ref 11.5.5 [Void pointer assignment] */
/* More details at: https://github.com/FreeRTOS/FreeRTOS-Kernel/blob/main/MISRA.md#rule-115 */
/* coverity[misra_c_2012_rule_11_5_violation] */
pxStreamBuffer->xTail = prvReadBytesFromBuffer( pxStreamBuffer, ( uint8_t * ) pvRxData, xCount, xNextTail );
}
return xCount;