JA>   I suposse that the best approach to acomplish this is overloading the
 JA> operators new and delete. But I have a problem here: I cannot call the
 JA> "global" default new from inside my overloaded new, even using the scope
 JA> (::) operator; every attempt to call the original new results in a 
 JA> annoying
 JA> recursive call to may own overloaded new, so I can't actually allocate
 JA> memory using this approach. On the other hand, if I use malloc, the 
 JA> program
 JA> crashes. I am using DJGPP 2.1 (GCC 2.7.0, I think).
i don't know about DJGPP, but with my compiler, there is a  file
that includes the declarations for modifying the global default new.
you could hook that thing: keep the old funcptr; check the sizeof of
your object and then pass control to the old func.
matju
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