Using putback for passwords

I'm trying to hide the password as the user enters it, but for some reason it's not working. it seems like an infinite loop:

Code:

---

string get_password()
{
  string give_back;
  char temp;
  while(cin.get(temp) != 0)
  {
      //give_back += temp;
      cin.putback('*');
     
  }
 
  return give_back;
}

---

putback() doesn't do what you think. Look it up.

There is no way in standard C++ to achieve what you want. It's only possible using platform-specific API.