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// Fig. 13.4: fig13_04.cpp
// Demonstrating pre-standard new returning 0 when memory
// is not allocated.
#include <iostream>
using std::cout;
int main()
{
double *ptr[ 50 ];
// allocate memory for ptr
for ( int i = 0; i < 50; i++ ) {
ptr[ i ] = new double[ 5000000 ];
// new returns 0 on failure to allocate memory
if ( ptr[ i ] == 0 ) {
cout << "Memory allocation failed for ptr[ "
<< i << " ]\n";
break;
} // end if
// successful memory allocation
else
cout << "Allocated 5000000 doubles in ptr[ "
<< i << " ]\n";
} // end for
return 0;
} // end main
/**************************************************************************
* (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice *
* Hall. 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. *
*************************************************************************/
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