ObjFW  Diff

- (void)addItem: (const void*)item
{
	if (SIZE_MAX - count < 1)
		@throw [OFOutOfRangeException exceptionWithClass: isa];

	data = [self resizeMemory: data
			 itemSize: itemSize
			    count: count + 1];

	memcpy(data + count * itemSize, item, itemSize);

	count++;
}

- (void)addItemsFromCArray: (const void*)cArray
		     count: (size_t)nItems
{
	if (nItems > SIZE_MAX - count)
		@throw [OFOutOfRangeException exceptionWithClass: isa];

	data = [self resizeMemory: data
			 itemSize: itemSize
			    count: count + nItems];

	memcpy(data + count * itemSize, cArray, nItems * itemSize);
	count += nItems;
}

- (void)insertItemsFromCArray: (const void*)cArray
		      atIndex: (size_t)index
			count: (size_t)nItems
{
	if (nItems > SIZE_MAX - count || index > count)
		@throw [OFOutOfRangeException exceptionWithClass: isa];

	data = [self resizeMemory: data
			 itemSize: itemSize
			    count: count + nItems];

	memmove(data + (index + nItems) * itemSize, data + index * itemSize,
	    (count - index) * itemSize);
	memcpy(data + index * itemSize, cArray, nItems * itemSize);

	count += nItems;

	memmove(data + range.start * itemSize,
	    data + (range.start + range.length) * itemSize,
	    (count - range.start - range.length) * itemSize);

	count -= range.length;
	@try {
		data = [self resizeMemory: data
				 itemSize: itemSize
				    count: count];
	} @catch (OFOutOfMemoryException *e) {
		/* We don't really care, as we only made it smaller */
	}
}

- (void)removeLastItem
{
	if (count < 1)
		@throw [OFOutOfRangeException exceptionWithClass: isa];

	count--;
	@try {
		data = [self resizeMemory: data
				 itemSize: itemSize
				    count: count];
	} @catch (OFOutOfMemoryException *e) {
		/* We don't care, as we only made it smaller */
	}
}

- (void)removeAllItems

		@throw [OFOutOfRangeException exceptionWithClass: isa];

	lastPageByte = of_pagesize - 1;
	newSize = ((count + 1) * itemSize + lastPageByte) & ~lastPageByte;

	if (size != newSize)
		data = [self resizeMemory: data
				   toSize: newSize];

	memcpy(data + count * itemSize, item, itemSize);

	count++;
	size = newSize;
}

- (void)addItemsFromCArray: (const void*)cArray
		     count: (size_t)nItems
{
	size_t newSize, lastPageByte;

	if (nItems > SIZE_MAX - count || count + nItems > SIZE_MAX / itemSize)
		@throw [OFOutOfRangeException exceptionWithClass: isa];

	lastPageByte = of_pagesize - 1;
	newSize = ((count + nItems) * itemSize + lastPageByte) & ~lastPageByte;

	if (size != newSize)
		data = [self resizeMemory: data
				   toSize: newSize];

	memcpy(data + count * itemSize, cArray, nItems * itemSize);

	count += nItems;
	size = newSize;
}

		@throw [OFOutOfRangeException exceptionWithClass: isa];

	lastPageByte = of_pagesize - 1;
	newSize = ((count + nItems) * itemSize + lastPageByte) & ~lastPageByte;

	if (size != newSize)
		data = [self resizeMemory: data
				   toSize: newSize];

	memmove(data + (index + nItems) * itemSize, data + index * itemSize,
	    (count - index) * itemSize);
	memcpy(data + index * itemSize, cArray, nItems * itemSize);

	count += nItems;
	size = newSize;

	count -= range.length;
	lastPageByte = of_pagesize - 1;
	newSize = (count * itemSize + lastPageByte) & ~lastPageByte;

	if (size != newSize)
		data = [self resizeMemory: data
				   toSize: newSize];
	size = newSize;
}

- (void)removeLastItem
{
	size_t newSize, lastPageByte;

	if (count < 1)
		@throw [OFOutOfRangeException exceptionWithClass: isa];

	count--;
	lastPageByte = of_pagesize - 1;
	newSize = (count * itemSize + lastPageByte) & ~lastPageByte;

	if (size != newSize) {
		@try {
			data = [self resizeMemory: data
					   toSize: newSize];
		} @catch (OFOutOfMemoryException *e) {
			/* We don't care, as we only made it smaller */
		}

		size = newSize;
	}
}