Re: How NOT to use an API on a previous release -- RPG400-L

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Doug Davie wrote:

In one of my RPG *MODULEs, I am using the API dlpar_get_info from the
service program QPMLPMGT to retrieve LPAR information.
This *MODULE is bound together with 5 other *MODULEs into my *PGM.
I display the LPAR information retrieved on the screen.

QPMLPMGT became available in V5R3, yet I must still support customers
on releases prior to that.
When my customer on V5R2 attempts to run this program, they receive:
CPD0192: Service program QPMLPMGT not found.

Doug:

Personally, I simply wouldn't use that particular API until I had to. If you want partitioning data, you can call the _MATMATR1 builtin to get a bunch of info.

http://publib.boulder.ibm.com/infocenter/iseries/v5r4/index.jsp?topic=/rzatk/MATMATR.htm
or
http://tinyurl.com/6jq8ky

This is easy enough to call even from ILE CL and it works on V5R2 and at least some earlier releases.

Naturally, if dlpar_get_info provides data that _MATMATR1 does not, you're stuck. I've used dlpar_get_info on V5R3 and above, but only for some general info.

Tom Liotta

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