class
<new>
std::bad_alloc
Exception thrown on failure allocating memory
Type of the exceptions thrown by the standard definitions of operator new and operator new[] when they fail to allocate the requested storage space.
This class is derived from exception . See the exception class for the member definitions of standard exceptions.
Its member what returns a null-terminated character sequence identifying the exception.
Example
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// bad_alloc example
#include <iostream> // std::cout
#include <new> // std::bad_alloc
int main () {
try
{
int* myarray= new int[10000];
}
catch (std::bad_alloc& ba)
{
std::cerr << "bad_alloc caught: " << ba.what() << '\n';
}
return 0;
}
Possible output:
bad_alloc caught: bad allocation
Exception safety
No-throw guarantee: no members throw exceptions.
See also
- exception
- Standard exception class (class)