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Merge pull request #6 from kareem-wolfssl/realloc 

Update example pvPortRealloc example.
master
David Garske 2023-07-20 09:48:55 -07:00 committed by GitHub
parent 115cd3acf5 2f85ce02f1
commit 37c7afab75
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 22 additions and 24 deletions
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13
FreeRTOS-Classic/FreeRTOS/Source/portable/MemMang/heap_4.c
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@ -312,21 +312,20 @@ void *pvPortRealloc( void *pv, size_t xWantedSize )
{
void *pvReturn = NULL;
if (xWantedSize == 0)
{
if (pv)
vPortFree(pv);
}
else if (pv)
{
BlockLink_t *pxLink = (BlockLink_t *)((char*)pv - xHeapStructSize);
if(pxLink->xBlockSize & xBlockAllocatedBit)
{
uint32_t blockSize = (pxLink->xBlockSize & ~xBlockAllocatedBit);
blockSize -= xHeapStructSize;
pvReturn = pvPortMalloc(xWantedSize);
if(pvReturn)
{
memcpy(pvReturn, pv, blockSize);
memcpy(pvReturn, pv, xWantedSize);
vPortFree(pv);
}
}
}
else {
pvReturn = pvPortMalloc(xWantedSize);
}

13
FreeRTOS-Classic/FreeRTOS/Source/portable/MemMang/heap_5.c
View File

@ -321,21 +321,20 @@ void *pvPortRealloc( void *pv, size_t xWantedSize )
{
void *pvReturn = NULL;
if (xWantedSize == 0)
{
if (pv)
vPortFree(pv);
}
else if (pv)
{
BlockLink_t *pxLink = (BlockLink_t *)((char*)pv - uxHeapStructSize);
if(pxLink->xBlockSize & xBlockAllocatedBit)
{
uint32_t blockSize = (pxLink->xBlockSize & ~xBlockAllocatedBit);
blockSize -= uxHeapStructSize;
pvReturn = pvPortMalloc(xWantedSize);
if(pvReturn)
{
memcpy(pvReturn, pv, blockSize);
memcpy(pvReturn, pv, xWantedSize);
vPortFree(pv);
}
}
}
else {
pvReturn = pvPortMalloc(xWantedSize);
}