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Cobol environment in mainframe dialect; a few programs need to a call C DLL with ASCII requirements

  • September 24, 2021
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D

We have a Cobol environment where the programs are compiled with the mainframe dialect. A few of these programs need to call a C DLL which requires ASCII parameters.

We can't used the _CODESET subroutine (because the COMP-X field is not supported in the mainframe dialect). Is there a different routine similar to _CODESET that works in a mainframe dialect environment?

Or, can we set the dialect to MF for just these few programs? When parameters are passed from Cobol program A compiled with the mainframe dialect to Cobol program B compiled with the MF dialect, how are the parameters passed? in Ebcdic? Or are they converted to ASCII on entry into Program B? 


#EnterpriseDeveloper

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    A
    • Anonymous
    • 0 replies
    • September 28, 2021

    We have a Cobol environment where the programs are compiled with the mainframe dialect. A few of these programs need to call a C DLL which requires ASCII parameters.

    We can't used the _CODESET subroutine (because the COMP-X field is not supported in the mainframe dialect). Is there a different routine similar to _CODESET that works in a mainframe dialect environment?

    Or, can we set the dialect to MF for just these few programs? When parameters are passed from Cobol program A compiled with the mainframe dialect to Cobol program B compiled with the MF dialect, how are the parameters passed? in Ebcdic? Or are they converted to ASCII on entry into Program B? 


    #EnterpriseDeveloper

    Michael

    See if this helps:

    EBCDIC to ASCII:

    MOVE FUNCTION DISPLAY-OF(
         FUNCTION NATIONAL-OF(WS-EBCDIC-DATA),819)
                                TO WS-ASCII-DATA

    To Convert back ...

    MOVE FUNCTION DISPLAY-OF(
         FUNCTION NATIONAL-OF(WS-ASCII-DATA,819),1140)
                                TO WS-EBCDIC-DATA

    Regards

    Vijay


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