====== C - C++ Files - File status ======

<code cpp>
#include <iostream>
#include <fstream>
using namespace std;
 
void checkstatus(ifstream &in);
 
int main(int argc, char *argv[])
{
  ifstream in("test.txt");
 
  char c;

  while(in.get(c)) {
    checkstatus(in);
  }
 
  checkstatus(in);  // check final status
  in.close();

  return 0;
}
 
void checkstatus(ifstream &in)
{
  ios::iostate i;
 
  i = in.rdstate();
 
  if(i & ios::eofbit)
    cout << "EOF encountered\n";
  else 
  if(i & ios::failbit)
    cout << "Non-Fatal I/O error\n";
  else 
  if(i & ios::badbit)
    cout << "Fatal I/O error\n";
}
</code>