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In a lot of the older programs I've come across, the program name was
passed in a parameter. I've yet to see another option than that.
"Jim Wiant"
<Jim.Wiant@foodst
uffs.co.nz> To
Sent by: "RPG programming on the AS400 /
rpg400-l-bounces@ iSeries" <rpg400-l@xxxxxxxxxxxx>
midrange.com cc
Subject
07/20/2006 03:54 RE: Find the calling program
PM
Please respond to
RPG programming
on the AS400 /
iSeries
<rpg400-l@midrang
e.com>
One way I've solved this problem is to always pass the address of the
SDS of the calling program to any sub program. The sub program will then
have all the details of the parent.
However, as you pointed out this has the limitation of relying on
structure/standards to maintain the integrity.
Other programs I've seen rely on the LDA to pass this data. But again,
the integrity needs to be forced.
I would also be interested in a better method if anyone has one.
Jim
The bitterness of poor quality remains long after low pricing is
forgotten!
Cautillo, Leon M.
-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Mike Cunningham
Sent: Friday, 21 July 2006 7:25
To: rpg400-l@xxxxxxxxxxxx
Subject: Find the calling program
Is there any way for an RPG to determine what program called it? I am
writing a service program that writes records to a database and one of
the fields I want to store is the name of the program that asked the
service program to create the record. So PGMA calls PGMB that calls
SERVICEPGM I want SERVICEPGM to write a database record with PGMB in the
tracking field. I have done this many years ago but at that time I
passed a parameter to know who was requesting the service but then all
the code was mine and I trust my code :) This time a lot of people will
be using the service program and I would prefer not to let them pass me
anything they want.
Mike Cunningham
Pennsylvania College of Technology
www.pct.edu
mcunning@xxxxxxx
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