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On Sun, 22 Jun 2003, M. Lazarus wrote:
>
>   I apologize - I looked at the code quickly and thought that I saw
> "varying" on the prototype variable.  The code will work.  But would
> putting *VARSIZE on the Cmd line perform better or would that just add
> operational descriptor overhead?
>

All *VARSIZE does is allow you to pass a smaller parameter than the
prototype indicates.   It does not turn operational descriptors on.  It
just relaxes validity checking.

With CONST, there might be some difference, since normally if your
variable isn't the same size as the one in the prototype, the compiler
would create a temporary space, copy your data into it, and pass the
address of that space.    With *VARSIZE it may not need to, which would
save a little bit of processing...

But, without CONST, adding *VARSIZE should only relax validity checking,
and therefore should have absolutely no impact on performance.

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