Function new_xpath_variable

src/include/pugixml.cpp:6670–6684

	}

	template <typename T> PUGI__FN T* new_xpath_variable(const char_t* name)
	{
		size_t length = strlength(name);
		if (length == 0) return 0; // empty variable names are invalid

		// $$ we can't use offsetof(T, name) because T is non-POD, so we just allocate additional length characters
		void* memory = xml_memory::allocate(sizeof(T) + length * sizeof(char_t));
		if (!memory) return 0;

		T* result = new (memory) T();

		memcpy(result->name, name, (length + 1) * sizeof(char_t));

		return result;
	}

	PUGI__FN xpath_variable* new_xpath_variable(xpath_value_type type, const char_t* name)
	{