so fucking bad

/**
 * @brief    Change a std::stringstream to a char array.
 * @param ss The stringstream to convert.
 * @return   nullptr on failure, a new char array on success.
 * @note     The returned string must be freed to avoid memory leaks.
 */
char *STRPP::StringStreamToCharArray(std::stringstream &ss) {
    std::string tmpString = ss.str();
    try {
        std::vector<char> buffer(tmpString.begin(), tmpString.end());
        buffer.push_back('\0');
        auto newString = (char *) malloc(tmpString.length());
        if (newString == nullptr) {
            return nullptr;
        }
        memcpy(newString, &buffer[0], tmpString.length());
        return newString;
    } catch (std::bad_alloc &e) {
        return nullptr;
    }
}