Function allocFromHeader

TheForceEngine/TFE_Memory/memoryRegion.cpp:203–232

	}
		
	void* allocFromHeader(MemoryBlock* block, RegionAllocHeader* header, u32 size)
	{
		assert(header->free == 1);
		if (header->size - size >= MIN_SPLIT_SIZE)
		{
			// Split.
			u64 split0 = size;
			u64 split1 = header->size - split0;
			RegionAllocHeader* next = (RegionAllocHeader*)((u8*)header + split0);

			// Cleanup the free list.
			removeHeaderFromFreelist(block, header);
			header->size = u32(split0);

			// Create a new free block.
			next->size = u32(split1);
			next->free = 0;
			block->count++;
						
			// Add the new block to the free list.
			insertBlockIntoFreelist(block, next);
		}
		else
		{
			// Consume the whole block.
			removeHeaderFromFreelist(block, header);
		}
		block->sizeFree -= header->size;
		return (u8*)header + sizeof(RegionAllocHeader);
	}

	void* region_alloc(MemoryRegion* region, u64 size)
	{