RE: MCH1201 (Rcvr too small) on an _if_ statement???

While I agree a *PSSR is easily abused, the flip side is that is easily taken advantage of also.

A shop standard involving an /INCLUDEd *PSSR that perhaps dumps the job, takes a copy of the screen,
display's a nice message to the user, and notifies IT would make life easier.
http://www.redbooks.ibm.com/Redbooks.nsf/RedbookAbstracts/redp4321.html?Open

As a practical matter, making sure the user does not see a system generated error is part of the OWASP
Top-10 which has been adopted by PCI.


Charles Wilt
--
Software Engineer
CINTAS Corporation - IT 92B
513.701.1307

wiltc@xxxxxxxxxx

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx]
On Behalf Of David Gibbs
Sent: Monday, July 28, 2008 3:21 PM
To: RPG programming on the AS400 / iSeries
Subject: Re: MCH1201 (Rcvr too small) on an _if_ statement???

Rory Hewitt wrote:

Evil? Really? Why?

Mainly because, in a normal software development environment (not tools,
not utilities, etc), the kind of errors that get trapped by *PSSR should
not be trapped because they represent programming errors. Yes, a hard
halt is jarring for the user ... but it's a strong impetus to get the
error fixed.

Additionally, the error is trapped globally and unconditionally.

Furthermore ... they are way too *EASY* to abuse ... case in point: a
*PSSR routine that's just RETURN or SETON LR/RETURN.

Do you also think MONITOR-blocks are evil?

In general, no ... although I don't think they are as useful as they could
be. Their usage is quite localized ... so it's very difficult to put a
monitor block in and have it effect other code.

david

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IBM i on Power - For when you can't afford to be out of business
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