[PD-dev] [PATCH] Replace getbytes calls by alloca whenever possible in mrpeach's packOSC.c

[Julien 'Lta' BALLET]

Hello,

As said in the title, i submit you a small patch to mrpeach's osc code, to
replace calls to getbytes by alloca calls in part of the code that might get
called in the soundcard callback.

The considered memory sizes are quites small and then won't smash the stack.
This removes the need for memory deallocation and reduces the page fault
risk as well as the memory allocation time.

This is kind of a naive patch, since i don't fully know yet the pd codebase.

Any comment would be appreciated.

Regards,
Lta.
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