c++ delete null pointer array

delete will check if the pointer is NULL for you, so you're right that...

delete will check if the pointer is NULL for you, so you're right that the check isn't needed. You might also see that some people set the pointer.

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The reason you might want to check for null before you delete is that tryin...

The reason you might want to check for null before you delete is that trying to delete a null pointer could indicate a bug in your program.

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The rule is not strictly necessary in that the language could exist without...

The rule is not strictly necessary in that the language could exist without it; it is simply a decision made by the standards committee. The null.

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Setting a pointer to 0 (which is "null" in standard C++, the NULL...

Setting a pointer to 0 (which is "null" in standard C++, the NULL define from C is somewhat different) avoids crashes on double deletes.

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delete[] monsters;. Is incorrect because monsters isn't a pointer to a...

delete[] monsters;. Is incorrect because monsters isn't a pointer to a dynamically allocated array, it is an array of pointers. As a class member it.

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delete[] expressions that use global array deallocation functions, always c...

delete[] expressions that use global array deallocation functions, always call single-argument signatures If this is a null-pointer, the function does nothing.

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C++ language For the second (array) form, expression must be a null pointer...

C++ language For the second (array) form, expression must be a null pointer value or a pointer value previously If the object being deleted has incomplete class type at the point of deletion, and the complete class has a.

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The assumption is that, if they do not check for NULL, delete will result i...

The assumption is that, if they do not check for NULL, delete will result in a crash or in random behavior. This is not correct. C++ guarantees.

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In C++ both delete or, more precisely, the delete expression and operator d...

In C++ both delete or, more precisely, the delete expression and operator delete() can be called with a NULL pointer. The standard requires.

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Make sure to do the delete when an exception . pointers might be; // null, ...

Make sure to do the delete when an exception . pointers might be; // null, but that's okay.

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C++ Built-in Operators, Precedence and Associativity delete Operator The ne...

C++ Built-in Operators, Precedence and Associativity delete Operator The new and delete operators can also be used for built-in types, including arrays. the destructor for an object prior to deallocating memory (if the pointer is not null).

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safe to delete null pointer?. C / C++ Forums on Bytes. Just learnt from my ...

safe to delete null pointer?. C / C++ Forums on Bytes. Just learnt from my co-worker that it's safe to delete a null pointer. I tried it on sun box.

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In C++, delete operator should only be used either for the pointers pointin...

In C++, delete operator should only be used either for the pointers pointing to the memory allocated using new operator or for a NULL pointer, and free() should.

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In the C++ programming language, new and delete are a pair of language cons...

In the C++ programming language, new and delete are a pair of language constructs that where p is a previously declared pointer of type T (or some other type to which a which specifies that no exception should be thrown; instead, a null pointer is The C++ standard library instead provides a dynamic array that can be.

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Deleting a null pointer has no effect. The delete[] operator frees storage ...

Deleting a null pointer has no effect. The delete[] operator frees storage allocated for array objects created with new[]. The delete operator frees storage.

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