Re: Pointer vs. BIF performance (was: Getting into pointers)

["Carel Teijgeler" <coteijgeler@xxxxxxxxx>]

I would have used XLATE.

With regards,
Carel Teijgeler

*********** REPLY SEPARATOR  ***********

On 12-8-2009 at 9:42 David Gibbs wrote:

> This question is mostly out of idle curiosity ...
>
> I've got a simple routine that is designed to replace any 5250 control
> characters in a RPG source file with blank.
>
> for p = 1 to %len(%trim(SRCDATA));
>  if %subst(SRCDATA:p:1) < x'40';
>    %subst(SRCDATA:p:1) = *blank;
>  endif;
> endfor;
>
> Would there be any performance benefit if I used a pointer to update the
> field?
>
> D charPtr         S               *
> D char            S              1A   based(charPtr)
>
> .
> .
> .
>
> for p = 0 to %len(%trim(SRCDATA));
>  charPtr = %addr(SRCDATA)+p;
>  if char < x'40';
>    char = *blank;
>  endif;
> endfor;
>
> Thanks!
>
> david
>
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