It would be easier to determine the problem if you sent the PLIST of AP A and B along with the call to SP B.
-Matt
-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Brad Stone
Sent: Thursday, August 19, 2021 8:11 AM
To: RPG programming on the IBM i (AS/400 and iSeries) <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: Here's an interesting RPG parameter Issue
I'm sure it's something that a few of you know why it happens, but here's the situation.
Service program A calls program B with a parameter list (using PLIST.. yes, it's old).
Let's say the parameter list contains a string called firstName and we pass in a value of Brad.
Now, Program B modifies that parameter value to Bradley.
Program B ends, LR is set on, all that good stuff.
Control returns to service program A and firstName is still Brad.
We call Program B again, but before we do we verify firstName is Brad.
In Program B, firstName is still Bradley.
Make sense? :)
Bradley V. Stone
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