Difference between revisions of "cpp/memory/new/bad alloc"
From cppreference.com
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Revision as of 22:12, 31 May 2013
| Defined in header <new>
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| class bad_alloc : public std::exception; |
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std::bad_alloc is the type of the object thrown as exceptions by the allocation functions to report failure to allocate storage.
Inheritance diagram
Contents |
Member functions
| constructs the bad_alloc object (public member function) | |
| replaces a bad_alloc object (public member function) | |
| returns explanatory string (public member function) |
Inherited from std::exception
Member functions
| [virtual] |
destroys the exception object (virtual public member function of std::exception)
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| [virtual] |
returns an explanatory string (virtual public member function of std::exception)
|
Example
Run this code
#include <iostream> #include <new> int main() { try { while (true) { new int[100000000ul]; } } catch (const std::bad_alloc& e) { std::cout << "Allocation failed: " << e.what() << '\n'; } }
Output:
Allocation failed: std::bad_alloc
See also
| allocation functions (function) |
