diff options
| author | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
|---|---|---|
| committer | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
| commit | 33613a85afc4b1481367fbe92a17ee59c240250b (patch) | |
| tree | 670b842326116b376b505ec2263878912fca97e2 /Bachelor/Prog2/Codebeispiele/8_ch13/fig13_04.cpp | |
| download | Studium-33613a85afc4b1481367fbe92a17ee59c240250b.tar.gz Studium-33613a85afc4b1481367fbe92a17ee59c240250b.tar.bz2 | |
Diffstat (limited to 'Bachelor/Prog2/Codebeispiele/8_ch13/fig13_04.cpp')
| -rw-r--r-- | Bachelor/Prog2/Codebeispiele/8_ch13/fig13_04.cpp | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/Bachelor/Prog2/Codebeispiele/8_ch13/fig13_04.cpp b/Bachelor/Prog2/Codebeispiele/8_ch13/fig13_04.cpp new file mode 100644 index 0000000..34f588a --- /dev/null +++ b/Bachelor/Prog2/Codebeispiele/8_ch13/fig13_04.cpp @@ -0,0 +1,49 @@ +// 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. *
+ *************************************************************************/
|