Method Clear

BeefySysLib/util/Heap.cpp:135–179

//#define BFCE_DEBUG_HEAP

void ContiguousHeap::Clear(int maxAllocSize)
{
#ifdef BFCE_DEBUG_HEAP
	OutputDebugStrF("ContiguousHeap::Clear\n");
#endif

	if (mBlockDataOfs == 0)
		return;
	
	if ((mMemorySize != -1) && (mMemorySize > maxAllocSize))
	{		
		free(mMetadata);
		mMetadata = NULL;
		mMemorySize = 0;
		mBlockDataOfs = 0;
		mFreeList.Clear();
		return;
	}

	for (auto idx : mFreeList)
	{
		auto block = CH_REL_TO_ABS(idx);
		block->mKind = (ChBlockKind)0;
	}

	auto blockList = (ChList*)mMetadata;
	if (blockList->mHead != -1)
	{	
		auto block = CH_REL_TO_ABS(blockList->mHead);
		while (block != NULL)
		{
			block->mKind = (ChBlockKind)0;
			if (block->mNext == -1)
				break;
			block = CH_REL_TO_ABS(block->mNext);
		}
	}

	blockList->mHead = -1;
	blockList->mTail = -1;
	mBlockDataOfs = 0;
	mFreeList.Clear();

	Validate();
}

static int gAllocCount = 0;