[RESOLVED] Void Pointer Function type

Hello,

For a University assignment, I've been tasked to create a memory management Class for a program. We've been given a Class we are to design it from.

I've basically got this all done, but we've been given a virtual function like this in a Class we must inherit:

Code:

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virtual void* vcalloc(size_t size) {}

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This function should be able to be used as such:

Code:

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int *someNewInt = (int*)memObj.vcalloc(sizeof(int));

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I don't understand how to do this? Can't use return, and no pointers are passed as a parameter to change. If someone can give me an example of this I would be extremely appreciative! I've Google'd around a bit, but can't find anything that has an example such as this.

After messing around with it, something like this seems to work:

Code:

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void* vcalloc(int size) { return (void *)size; }

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But I don't understand how, or if it's correct?

No unfortunately that is not correct. What you are doing is that you are casting size to a pointer type. That basically means that you are giving the caller a pointer pointing at memory that you do not own and that is very bad.