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Smart Pointers in (GNU) C

I am a big fan of C, but some part of me always yearn to have just enough higher level constructs.

Being very easily distracted, I tend to forget to free my memory, or close my resources, so you might guess that when I learned about smart pointers in C++, I was immediately hooked. This means that for any type managed by smalloc I could just call sfree on it without worrying about the real destructor function, and I would know that it would have been destroyed – this was a huge improvement. I also took the time to add a way to put user-defined data into the metadata block, since it could have some nice applications, like length-aware arrays, or extending existing library structures.

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