[Cppcms-users] how to use cppcms::urandom_device to generate a random string and output it as a string

[Zheng P. <ky...@gm...>]

Hi, all:
   I am a green hand to cppcms. I want to generate a random string by using
cppcms::urandom_device. my codes are:
   char buf[32];
   cppcms::urandom_device random_device;
   random_device.generate(buf, 16);
   std::string output(buf);
   std::cout << output << std::endl;
   .... ...
   The above codes will output garbled codes, I don't know how to get
readable random string by using cppcms::urandom_device, who can give me an
advise?

-- 
with kind regards