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Can I make a call to make a new instance fail safely

Aug 20 2012 | 4:38 pm

I am creating an object with large variable t_atom arrays as storage for attributes.

In order to allocate memory for the storage I am calling a memory allocator in the new routine. Assuming this fails, what is a safe way to prevent my object from being created, as I have no way of telling max that the attributes should not be accessed?
The attributes have a custom setter in case it is relevant.

I assume returning a null pointer in new might work, but should I clean-up the object allocation first?


Aug 24 2012 | 8:15 pm

Hi Alex,

Yes, you should return NULL from your new method. This is what we do where appropriate. And, yes, you should also clean-up anything you’ve alloc’d from the heap in the process.


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Forums > Dev