New (C++) - Releasing Dynamically Allocated Memory

Releasing Dynamically Allocated Memory

Any memory dynamically allocated with new must be released with delete. The delete operator can be used in two ways: one for de-allocating memory allocated to arrays with new and the other for deleting single objects.

int *p_var = new int; delete p_var; p_var = 0; int *p_array = new int; delete p_array; p_array = 0;

Note that the compiler is not required to generate a diagnostic message for using the wrong delete. Furthermore, using the inappropriate deallocator will result in undefined behavior.

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