static void
split_block_and_add_to_lists(MemPool_t *pool, void *pRawMemory, byte firstListNum, byte memoryLogSize)
{
void *p_memory = (char*) pRawMemory + (1U << (memoryLogSize - 1)); //set pointer to second half
byte i = memoryLogSize - 1;
for (; i >= firstListNum; --i)
{
add_block_to_list(pool, p_memory, i);
p_memory = (char*) p_memory - (1U << (i - 1)); //leave other half for next iteration
}
add_block_to_list(pool, pRawMemory, firstListNum);
}
void
k_pool_release(MemPool_t *pool, ptr_t block)
{
if (!block || !pool)
return;
struct BlockHeader_t *pHeader = (struct BlockHeader_t *) block - 1;
byte listNum = pHeader->listNum;
add_block_to_list(pool, pHeader, listNum);
pool->numAllocatedBlocks[listNum]--;
}
/*
* free
*/
void free (void *ptr) {
size_t size;
void* block;
int index;
checkheap(1);
if (ptr == NULL) {
return;
}
if(heap_start == 0)
mm_init();
block = block_from_ptr(ptr);
index = coalesce(block, &size);
block_mark(block, 1);
//set_prev_pointer(block, NULL);
//set_next_pointer(block, NULL);
add_block_to_list(index, block);
checkheap(1);
return;
}
