• Subject: RE: LSTFFD utility from Midrange computing
  • From: "Stone, Brad V (TC OASIS)" <bvstone@xxxxxxxxxxxxxx>
  • Date: Tue, 13 Jul 1999 11:31:13 -0500

The API that changed from V4R2 to V4R3 was QMHRTVM.  The message text seems
to have shifted one byte to the right.  I now have two versions.  If you ran
the V4R3 version on a V4R2 machine, it would trucate the first text
character.

If you ran the V4R2 version on a V4R3 machine, it would bomb because of
invalid data.  

It's a long story, and it's fixed now.  I even think I may have seen a
mention of this on Dejanews.  Something changed, and I haven't looked close
enough to figure what.  

The original source is still available at News/400 (Jan 1998 I think) for
the SCNMSGF command.  

Bradley V. Stone
BVS/Tools
http://www.bvstools.com




> -----Original Message-----
> From: bvining@vnet.ibm.com [mailto:bvining@vnet.ibm.com]
> Sent: Tuesday, July 13, 1999 9:20 AM
> To: MIDRANGE-L@midrange.com
> Subject: LSTFFD utility from Midrange computing
> 
> 
> Bradley,
> 
> Which V4R3 API was changed in an incompatible fashion?  In looking at
> the Memo the Users I didn't see any mention of this; and I also don't
> recall any change of this type (though it's always possible either
> the change slipped through or the change was viewed as a fix rather
> than a change/enhancement) being discussed for V4R3.
> 
> I can assure you that IBM goes to great pains at times to maintain
> compatibility with previous releases in terms of programming 
> interfaces.
> 
> Thanks,
> Bruce
> 
> >
> >Well, after further looking, the source from MC was old and 
> I had hardcoded
> >the size of the data instead of using the parameter passed 
> back in the
> >EntrySize parameter.  This has been fixed in the meantime 
> and I will be
> >posting the newer version on my AS/400 shareware site.
> >
> >The reason I thought IBM did something is because they DID 
> change an API
> >from V4R2 to V4R3 for another one of my tools (SCNMSGF).  
> Half of the data
> >was pushed over one byte.  This could not be fixed without having two
> >version of the software.
> >
> >Bradley V. Stone
> >BVS/Tools
> >http://www.bvstools.com
> >
> 
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