Re: passing parms between Cobol/400 & ILE-RPG

[dnieswiadomy@xxxxxxxxxxxxxxxxxxx]

If you want it as seperate fields, you can get rid of the 01 level, make
the 05 levels all 01 level fields, have each field on the using - ie:


      01  P1300-COMPANY-IN       PIC X(4).
      01  P1300-CLIENT-CODE-IN   PIC X(5).
      01  P1300-JOBNUM-IN        PIC X(11).
      01  P1300-MODE             PIC X(1).
      01  P1300-TE-FLAG          PIC X(1).
      01  P1300-RTN-CODE         PIC X(2).
      01  P1300-ERR-MSG          PIC X(80).
---
         CALL 'PD1300RG' USING P1300-COMPANY-IN, P1300-CLIENT-CODE-IN,
P1300-JOBNUM-IN,
            P1300-MODE, P1300-TE-FLAG,P1300-RTN-CODE, P1300-ERR-MSG.

Dale Nieswiadomy

Livingston County Information & Technology Services
(585) 243-7191

dnieswiadomy@co.livingston.ny.us




             Dan
             <dbcerpg@yahoo.co
             m>                                                         To
             Sent by:                  cobol400-l@midrange.com
             cobol400-l-admin@                                          cc
             midrange.com
                                                                   Subject
                                       passing parms between Cobol/400 &
             12/10/2002 11:29          ILE-RPG
             AM


             Please respond to
             cobol400-l@midran
                  ge.com






This is primarily an RPG shop that has a lot of legacy Cobol from a
non-IBM system that the AS/400 replaced years ago.  I am a relative
Cobol newbie (haven't done any meaningful Cobol coding since college).

Got a Cobol program (non-ILE) passing parameters to an ILE-RPG program.
 I am told by other RPG programmers here that also do a little Cobol
that to pass parameters between Cobol and RPG, you have to define the
*Entry parameter in RPG as one long string and define subfields in a
data structure.  If you try to define multiple PARMs for the parameter
list in the RPG program, the call will bomb with MCH3601.

The definition and the code in Cobol:
  01  1300RG-PARMS.
      05  P1300-COMPANY-IN       PIC X(4).
      05  P1300-CLIENT-CODE-IN   PIC X(5).
      05  P1300-JOBNUM-IN        PIC X(11).
      05  P1300-MODE             PIC X(1).
      05  P1300-TE-FLAG          PIC X(1).
      05  P1300-RTN-CODE         PIC X(2).
      05  P1300-ERR-MSG          PIC X(80).
---
         CALL 'PD1300RG' USING 1300RG-PARMS.

I assume that the USING phrase allows multiple fields.  True or False?
I am going on the assumption that it does, but I don't know if there
are special rules in the case of a Cobol program calling an RPG
program.  The Cobol manual I have makes the assumption when describing
the USING phrase that a Cobol program is calling another Cobol program,
so I don't know if this implies potential problems or other rules when
Cobol calls RPG.

Are there any references to Cobol calling RPG that would answer this
question for me?

TIA, Dan

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