Function encode

openvpn/http/urlencode.hpp:39–54

    OPENVPN_EXCEPTION(url_error);

    inline std::string encode(const std::string& str)
    {
      std::string ret;
      ret.reserve(str.length() * 2); // just a guess
      for (auto &c : str)
	{
	  if (HTTP::Util::is_escaped(c))
	    {
	      ret += '%';
	      ret += render_hex_number((unsigned char)c, true);
	    }
	  else
	    ret += c;
	}
      return ret;
    }

    inline std::string decode(const std::string& encoded)
    {