diff options
Diffstat (limited to 'Bachelor/Prog1/examples/ch05/Fig05_14.cpp')
| -rw-r--r-- | Bachelor/Prog1/examples/ch05/Fig05_14.cpp | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/Bachelor/Prog1/examples/ch05/Fig05_14.cpp b/Bachelor/Prog1/examples/ch05/Fig05_14.cpp new file mode 100644 index 0000000..8193ad1 --- /dev/null +++ b/Bachelor/Prog1/examples/ch05/Fig05_14.cpp @@ -0,0 +1,39 @@ +// Fig. 5.14: fig05_14.cpp
+// Attempting to modify a constant pointer to constant data.
+#include <iostream>
+
+using std::cout;
+using std::endl;
+
+int main()
+{
+ int x = 5, y;
+
+ // ptr is a constant pointer to a constant integer.
+ // ptr always points to the same location; the integer
+ // at that location cannot be modified.
+ const int *const ptr = &x;
+
+ cout << *ptr << endl;
+
+ *ptr = 7; // error: *ptr is const; cannot assign new value
+ ptr = &y; // error: ptr is const; cannot assign new address
+
+ return 0; // indicates successful termination
+
+} // 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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