blob: 4fde5dde2652fa3c60fbf7ef6abb155e47a34ef3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
// Fig. 13.5: fig13_05.cpp
// Demonstrating standard new throwing bad_alloc when memory
// cannot be allocated.
#include <iostream>
using std::cout;
using std::endl;
#include <new> // standard operator new
using std::bad_alloc;
int main()
{
double *ptr[ 50 ];
// attempt to allocate memory
try {
// allocate memory for ptr[ i ]; new throws bad_alloc
// on failure
for ( int i = 0; i < 50; i++ ) {
ptr[ i ] = new double[ 5000000 ];
cout << "Allocated 5000000 doubles in ptr[ "
<< i << " ]\n";
}
} // end try
// handle bad_alloc exception
catch ( bad_alloc &memoryAllocationException ) {
cout << "Exception occurred: "
<< memoryAllocationException.what() << endl;
} // end catch
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. *
*************************************************************************/
|
