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  • Subject: RE: Because it's there... (Was: Printer Overflow and BIF's)
  • From: "Mangavalli, Ramanujam" <RamM@xxxxxxxxxxx>
  • Date: Thu, 3 May 2001 21:23:26 -0400

I hope I understand the question right... If so, here is the answer:



P EntryParms        PR              EXTPGM('ThisProgramName')
D  Parm1                      1A
D  Parm2                      1S 0

 * Other variable definitions, etc.....here. 

P EntryParms        PI
D  Parm1                      1A
D  Parm2                      1S 0 

 
 * begin your program code here.... 





-----Original Message-----
From: Jim Langston [mailto:jimlangston@conexfreight.com]
Sent: Thursday, May 03, 2001 1:01 PM
To: RPG400-L@midrange.com
Subject: Re: Because it's there... (Was: Printer Overflow and BIF's)


Can you use a procedure interface for an RPG program?  I knew you could do 
it for sub procedures, and I do it all the time.  But how do you do it for
a program?  Then I could make it an optional parameter.

Regards,

Jim Langston

Me transmitte sursum, Caledoni!

rob@dekko.com wrote:
> 
> Yes the substring is clearer.
> 
> Af first I thought you were going to complain that the *ENTRY was
obsolete.
> Because it is.  If you use a Procedure Interface then perhaps people may
be
> more inclined to use the prototyped calls to the program also.
> 
> Rob Berendt
> 
> ==================
> Remember the Cole!
> 
> 
>                     Jim Langston
>                     <jimlangston@conexfr        To:
RPG400-L@midrange.com
>                     eight.com>                  cc:
>                     Sent by:                    Subject:     Re: Because
it's there... (Was: Printer Overflow and BIF's)
>                     owner-rpg400-l@midra
>                     nge.com
> 
> 
>                     05/02/01 11:11 AM
>                     Please respond to
>                     RPG400-L
> 
> 
> 
> I know what you mean, Jim.
> 
> I use new techniques in all my programs because I can, then I have to
> decide if they make for better programming or not.  I guess, to paraphrase
> an explorer who climbed Everest and I forget his name, because they're
> there.
> 
> I wrote a program lately that this list helped me on, dealing with
> subfiles,
> all in RPG IV (was no need to do any linking in this one) with
> subprocedures
> instead of subroutines, all variables declared in the D specs, the only
> MOVE
> statements having to do with validating dates, etc...
> 
> Then I got a call that my program was "broken".  Giving a pointer error
> when
> it started.  No way.  I run the program, pointer error.  Run it in debug,
> it's
> now expecting entry parms which I didn't code.  I find out that some other
> program in another site wanted to call this program with the invoice
number
> to
> display.  So I looked at the changes she had made.
> 
> D              DS
> D inv#                1     8
> D inv2                2     8
> 
> C     *entry   plist
> C              parm          #inv#      8
> 
> C              move  #inv#   inv#
> C              movel inv2#   DFInv
> 
> Blech!  You take my nice RPG IV program and stick this RPG II/PRG III junk
> into
> it?  So I changed it.
> 
> D ParmInv#                 8A
> 
> C     *Entry  PList
> C             Parm        ParmInv#
> 
> C             Eval        DFInv# = %SubSt(ParmInv#: 2: 7)
> 
> then I fix it and the calling CL and, surprise surprise, I test it!
> 
> Everything worked and everyone was happy, especially me knowing my code
was
> "clean" again.
> 
> Would this bug anyone else, or was this just a bee in my bonnet?
> 
> Regards,
> 
> Jim Langston
> 
> Me transmitte sursum, Caledoni!
> 
> > "Sneddon, Jim" wrote:
> >
> > Peter,
> >
> > I'm sorry - I forgot that little detail.
> >
> > It is an externally described printer file.
> >
> > It works (of course) by using an OFLIND(*IN55) and then watching for
> *in55.  I was not able to get it to work by using the %error method and it
> won't let you specify something like OFIND(%ERROR)...  I did not think of
> setting an OFLIND and then watching for %error but I doubt it will work -
> I'll give it a try just for grins.
> >
> > So it works with the old method and everyone is happy (as happy as
> end-users will ever be)  but I was just curious if I could take advantage
> of some new method using the BIF's instead.
> >
> > Thanks
> >
> > >Printer Overflow and BIF's
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