Copy data from fstream to stringstream with no buffer?

Question

Is there anyway I can transfer data from an fstream (a file) to a stringstream (a stream in the memory)?

Currently, I\'m using a buffer, but th

Answer 1

 ifstream f(fName);
 stringstream s;
 if (f) {
     s << f.rdbuf();    
     f.close();
 }