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adjustments for consistency

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This commit is contained in:
Cobus van Eeden 2020-12-05 16:21:22 -08:00
parent 3c56f1186a
commit 5e31a2f074
4 changed files with 15 additions and 12 deletions
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8
portable/MemMang/heap_1.c
View file

@ -72,16 +72,18 @@ void * pvPortMalloc( size_t xWantedSize )
void * pvReturn = NULL; void * pvReturn = NULL;
static uint8_t * pucAlignedHeap = NULL; static uint8_t * pucAlignedHeap = NULL;
/* Ensure that blocks are always aligned to the required number of bytes. */ /* Ensure that blocks are always aligned. */
#if ( portBYTE_ALIGNMENT != 1 ) #if ( portBYTE_ALIGNMENT != 1 )
{ {
if( xWantedSize & portBYTE_ALIGNMENT_MASK ) if( xWantedSize & portBYTE_ALIGNMENT_MASK )
{ {
/* Byte alignment required, check for overflow first */ /* Byte alignment required. Check for overflow. */
if ( (xWantedSize + ( portBYTE_ALIGNMENT - ( xWantedSize & portBYTE_ALIGNMENT_MASK ) )) > xWantedSize ) if ( (xWantedSize + ( portBYTE_ALIGNMENT - ( xWantedSize & portBYTE_ALIGNMENT_MASK ) )) > xWantedSize )
{ {
xWantedSize += ( portBYTE_ALIGNMENT - ( xWantedSize & portBYTE_ALIGNMENT_MASK ) ); xWantedSize += ( portBYTE_ALIGNMENT - ( xWantedSize & portBYTE_ALIGNMENT_MASK ) );
} else { }
else
{
xWantedSize = 0; xWantedSize = 0;
} }
} }

7
portable/MemMang/heap_2.c
View file

@ -139,7 +139,7 @@ void * pvPortMalloc( size_t xWantedSize )
{ {
xWantedSize += heapSTRUCT_SIZE; xWantedSize += heapSTRUCT_SIZE;
/* Byte alignment required. (check for overflow again) */ /* Byte alignment required. Check for overflow. */
if( ( xWantedSize + ( portBYTE_ALIGNMENT - ( xWantedSize & portBYTE_ALIGNMENT_MASK ) ) ) if( ( xWantedSize + ( portBYTE_ALIGNMENT - ( xWantedSize & portBYTE_ALIGNMENT_MASK ) ) )
> xWantedSize ) > xWantedSize )
{ {
@ -150,8 +150,9 @@ void * pvPortMalloc( size_t xWantedSize )
{ {
xWantedSize = 0; xWantedSize = 0;
} }
} else { }
/* If the requested size is too large to handle we force an error */ else
{
xWantedSize = 0; xWantedSize = 0;
} }

4
portable/MemMang/heap_4.c
View file

@ -143,10 +143,10 @@ void * pvPortMalloc( size_t xWantedSize )
{ {
xWantedSize += xHeapStructSize; xWantedSize += xHeapStructSize;
/* Ensure that blocks are always aligned */ /* Ensure that blocks are always aligned. */
if( ( xWantedSize & portBYTE_ALIGNMENT_MASK ) != 0x00 ) if( ( xWantedSize & portBYTE_ALIGNMENT_MASK ) != 0x00 )
{ {
/* Byte alignment required. (check for overflow again) */ /* Byte alignment required. Check for overflow. */
if( ( xWantedSize + ( portBYTE_ALIGNMENT - ( xWantedSize & portBYTE_ALIGNMENT_MASK ) ) ) if( ( xWantedSize + ( portBYTE_ALIGNMENT - ( xWantedSize & portBYTE_ALIGNMENT_MASK ) ) )
> xWantedSize ) > xWantedSize )
{ {

8
portable/MemMang/heap_5.c
View file

@ -150,15 +150,15 @@ void * pvPortMalloc( size_t xWantedSize )
{ {
/* The wanted size is increased so it can contain a BlockLink_t /* The wanted size is increased so it can contain a BlockLink_t
* structure in addition to the requested amount of bytes. */ * structure in addition to the requested amount of bytes. */
if( ( xWantedSize > 0 ) && ( ( xWantedSize + xHeapStructSize ) > xWantedSize ) ) if( ( xWantedSize > 0 ) &&
( ( xWantedSize + xHeapStructSize ) > xWantedSize ) ) /* Overflow check */
{ {
xWantedSize += xHeapStructSize; xWantedSize += xHeapStructSize;
/* Ensure that blocks are always aligned to the required number /* Ensure that blocks are always aligned */
* of bytes. */
if( ( xWantedSize & portBYTE_ALIGNMENT_MASK ) != 0x00 ) if( ( xWantedSize & portBYTE_ALIGNMENT_MASK ) != 0x00 )
{ {
/* Byte alignment required. */ /* Byte alignment required. Check for overflow */
if( ( xWantedSize + ( portBYTE_ALIGNMENT - ( xWantedSize & portBYTE_ALIGNMENT_MASK ) ) ) > if( ( xWantedSize + ( portBYTE_ALIGNMENT - ( xWantedSize & portBYTE_ALIGNMENT_MASK ) ) ) >
xWantedSize ) xWantedSize )
{ {