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Nope,

When you pass by reference, it doesn't matter if you pass 1-byte or 1,679,832; all you are really
passing is a pointer to the first byte.

The only catch would be if you were trying to use operational descriptors, but those don't work for DS
anyway.


Charles Wilt
--
Software Engineer
CINTAS Corporation - IT 92B
513.701.1307

wiltc@xxxxxxxxxx


-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx]
On Behalf Of James Lampert
Sent: Thursday, May 08, 2008 1:05 PM
To: RPG programming on the AS400 / iSeries
Subject: Re: Quick OPM RPG question -- but does my solution have
potentialside effects?

Given that the program that's crashing doesn't actually use the MULTDS
it is passed, but merely passes it, if available, to a customized
UNDEL2, and given that everything in an OPM program call is passed by
reference, I tried this:

I changed the optional parameter to a simple 1-character field.

Now, if the MULTDS is received (in the 1-character field), it is passed
on to the custom UNDEL2. If it isn't, it isn't. And it looks like the
custom UNDEL2 is getting the whole MULTDS.

*************

*BUT I'M WORRIED.* This MULTDS can potentially have 9999 occurrences of
186 bytes each. Could there be side effects of passing a reference as if
it were only one byte?

--
James H. H. Lampert
Touchtone Corporation

--
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