ObjFW  Diff

		const char *cString;
		size_t i;

		_itemSize = 1;
		_count = [string
		    cStringLengthWithEncoding: OF_STRING_ENCODING_ASCII];

		if (_count & 1)
		if (_count % 2 != 0)
			@throw [OFInvalidFormatException
			    exceptionWithClass: [self class]];

		_count >>= 1;
		_count /= 2;
		cString = [string
		    cStringWithEncoding: OF_STRING_ENCODING_ASCII];
		_items = [self allocMemoryWithSize: _count];

		for (i = 0; i < _count; i++) {
			uint8_t c1 = cString[2 * i];
			uint8_t c2 = cString[2 * i + 1];