// Fig. 17.12: Fig17_12.cpp // Creating a randomly accessed file. #include using std::cerr; using std::endl; using std::ios; #include using std::ofstream; #include using std::exit; // exit function prototype #include "ClientData.h" // ClientData class definition int main() { ofstream outCredit( "credit.dat", ios::binary ); // exit program if ofstream could not open file if ( !outCredit ) { cerr << "File could not be opened." << endl; exit( 1 ); } // end if ClientData blankClient; // constructor zeros out each data member // output 100 blank records to file for ( int i = 0; i < 100; i++ ) outCredit.write( reinterpret_cast< const char * >( &blankClient ), sizeof( ClientData ) ); return 0; } // end main /************************************************************************** * (C) Copyright 1992-2005 by Deitel & Associates, Inc. and * * Pearson Education, Inc. All Rights Reserved. * * * * DISCLAIMER: The authors and publisher of this book have used their * * best efforts in preparing the book. These efforts include the * * development, research, and testing of the theories and programs * * to determine their effectiveness. The authors and publisher make * * no warranty of any kind, expressed or implied, with regard to these * * programs or to the documentation contained in these books. The authors * * and publisher shall not be liable in any event for incidental or * * consequential damages in connection with, or arising out of, the * * furnishing, performance, or use of these programs. * **************************************************************************/