> -----Original Message-----
> From: IBM Mainframe Discussion List On Behalf Of Edward Jaffe
>
> Guy Gardoit wrote:
> > For the life of me, I can't understand why this is such a surprise
or
> > problem. How many bad programmers were-there/are-there anyway?
> >
> > Sorry, but one who breaks the rules, end ups broken.
> >
>
> Even good programmers make mistakes. That's why we have testing.
What's
> needed are test tools to help detect problems early, before
> newly-developed programs are used in production environments.
>
> Thanks to Jim Mulder's efforts, the IgvInitGetMain DIAG trap is just
> such a tool. It has been available since OS/390 V2R6 and has been
> disclosed to IBM and ISV development organizations for many, many
years.
> In that light, there is very little excuse (IMHO) for 21st-century
> program product code to have problems related to uninitialized
GETMAINed
> storage. (I just know Sam Knutson will adopt the "Prodigal Son"
approach
> and praise developers that waited until 2009 to *finally* fix their
> "broken" code. But, I digress...)
>
> OTOH, customers have not had the luxury of this tooling. There are a
few
> tech-savvy sysprogs that have enabled this and other undocumented DIAG
> traps based on information they received at SHARE, IBM-MAIN, or other
> avenues (include Barabara Nitz in this category). But, the rest of the
> user community is completely unaware that such tooling is available.
> Their exits and applications are at risk and they have no way of
testing
> them.
>
> This ignorance, and the fall-out we'll be feeling from it for some
time
> to come, could have been avoided. IMHO, IBM should move to document
> these tools ASAP!
This thread should also reinforce the notion, "If you want it done
right, do it yourself." IOW, if you want GETMAINed storage to be
"clean", then "clean" it yourself, every time you GETMAIN.
-jc-
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