bad_alloc Class
The latest version of this topic can be found at bad_alloc Class.
The class describes an exception thrown to indicate that an allocation request did not succeed.
Syntax
class bad_alloc : public exception {
bad_alloc();
virtual ~bad_alloc();
};
Remarks
The value returned by what is an implementation-defined C string. None of the member functions throw any exceptions.
Requirements
Header: <new>
Namespace: std
Example
// bad_alloc.cpp
// compile with: /EHsc
#include<new>
#include<iostream>
using namespace std;
int main() {
char* ptr;
try {
ptr = new char[(~unsigned int((int)0)/2) - 1];
delete[] ptr;
}
catch( bad_alloc &ba) {
cout << ba.what( ) << endl;
}
}
Sample Output
bad allocation
Requirements
Header: <new>