ObjFW  Check-in [2bb3136a7f]

 * @param count The number of items to allocate
 * @return A pointer to the allocated memory. May return NULL if the specified
 *	   size or count is 0.
 */
- (nullable void *)allocMemoryWithSize: (size_t)size
				 count: (size_t)count OF_WARN_UNUSED_RESULT;

/**
 * @brief Allocates memory, initializes it with zeros and stores it in the
 *	  object's memory pool.
 *
 * It will be free'd automatically when the object is deallocated.
 *
 * @param size The size of the memory to allocate
 * @return A pointer to the allocated memory. May return NULL if the specified
 *	   size is 0.
 */
- (nullable void *)allocZeroedMemoryWithSize: (size_t)size
    OF_WARN_UNUSED_RESULT;

/**
 * @brief Allocates memory for the specified number of items, initializes it
 *	  with zeros and stores it in the object's memory pool.
 *
 * It will be free'd automatically when the object is deallocated.
 *
 * @param size The size of each item to allocate
 * @param count The number of items to allocate
 * @return A pointer to the allocated memory. May return NULL if the specified
 *	   size or count is 0.
 */
- (nullable void *)allocZeroedMemoryWithSize: (size_t)size
				       count: (size_t)count
    OF_WARN_UNUSED_RESULT;

/**
 * @brief Resizes memory in the object's memory pool to the specified size.
 *
 * If the pointer is NULL, this is equivalent to allocating memory.
 * If the size is 0, this is equivalent to freeing memory.
 *
 * @param pointer A pointer to the already allocated memory

{
	if OF_UNLIKELY (count > SIZE_MAX / size)
		@throw [OFOutOfRangeException exception];

	return [self allocMemoryWithSize: size * count];
}

- (void *)allocZeroedMemoryWithSize: (size_t)size
{
	void *pointer;
	struct pre_mem *preMem;

	if OF_UNLIKELY (size == 0)
		return NULL;

	if OF_UNLIKELY (size > SIZE_MAX - PRE_IVARS_ALIGN)
		@throw [OFOutOfRangeException exception];

	if OF_UNLIKELY ((pointer = calloc(1, PRE_MEM_ALIGN + size)) == NULL)
		@throw [OFOutOfMemoryException
		    exceptionWithRequestedSize: size];

	preMem = pointer;
	preMem->owner = self;
	preMem->prev = PRE_IVARS->lastMem;

	if OF_LIKELY (PRE_IVARS->lastMem != NULL)
		PRE_IVARS->lastMem->next = preMem;

	if OF_UNLIKELY (PRE_IVARS->firstMem == NULL)
		PRE_IVARS->firstMem = preMem;

	PRE_IVARS->lastMem = preMem;

	return (char *)pointer + PRE_MEM_ALIGN;
}

- (void *)allocZeroedMemoryWithSize: (size_t)size
			      count: (size_t)count
{
	if OF_UNLIKELY (count > SIZE_MAX / size)
		@throw [OFOutOfRangeException exception];

	return [self allocZeroedMemoryWithSize: size * count];
}

- (void *)resizeMemory: (void *)pointer
		  size: (size_t)size
{
	void *new;
	struct pre_mem *preMem;

	if OF_UNLIKELY (pointer == NULL)