ObjFW  Diff

			alloc_failed_exception.isa =
			    [OFAllocFailedException class];
			@throw (OFAllocFailedException*)&alloc_failed_exception;
		}
		memcpy(copy, block, block->descriptor->size);

		copy->isa = (Class)&_NSConcreteMallocBlock;
		copy->reserved++;
		copy->flags++;

		if (block->flags & OF_BLOCK_HAS_COPY_DISPOSE)
			block->descriptor->copy_helper(copy, block);

		return copy;
	}

	if (block->isa == (Class)&_NSConcreteMallocBlock)
		of_atomic_inc_int(&block->reserved);
		of_atomic_inc_int(&block->flags);

	return block;
}

void
_Block_release(const void *block_)
{
	of_block_literal_t *block = (of_block_literal_t*)block_;

	if (block->isa != (Class)&_NSConcreteMallocBlock)
		return;

	if (of_atomic_dec_int(&block->reserved) == 0) {
	if ((of_atomic_dec_int(&block->flags) & OF_BLOCK_REFCOUNT_MASK) == 0) {
		if (block->flags & OF_BLOCK_HAS_COPY_DISPOSE)
			block->descriptor->dispose_helper(block);

		free(block);
	}
}

	return self;
}

- (size_t)retainCount
{
	if (isa == (Class)&_NSConcreteMallocBlock)
		return ((of_block_literal_t*)self)->reserved;
		return ((of_block_literal_t*)self)->flags &
		    OF_BLOCK_REFCOUNT_MASK;

	return SIZE_MAX;
}

- (void)release
{
	Block_release(self);