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Status Under review
Workspace COBOL Compilers
Categories z/OS
Created by Guest
Created on Feb 12, 2025

RELATED IDEAS

COBOL uninitialized variables: Changing the way storage is obtained

See this idea on ideas.ibm.com

Dear Madam/Sir

We upgraded from Enterprise COBOL v4.2 to v6.3 in 2022. Since then we have enabled various checks provided by the new compiler like PARMCHECK, INITCHECK and NUMCHECK. During these three years we are trying to correct our programs that have uninitialized variables. These programs generate IGYCB7311 during the compilation. However, we face difficulties on this as a lot of programs have been written more than 20 years ago and we cannot easily change them. In addition we experience high cpu consumption using INITIALIZE statement especially in big tables.

We have been informed by IBM that in the new versions of COBOL (V5/V6), the underlying storage typically contains garbage. In previous COBOL versions the storage that was obtained from TGT happened to be zeroed.

So Instead of using CPU heavy INITIALIZE statements or leave a lot of programs without properly INITIALIZed variables, we want the storage that is provided by the system to uninitialized variables to be zeros, in a similar way to previous COBOL versions.

Kind regards

Konstantinos Zafeiropoulos

Idea priority Urgent
  • Admin
    Basil Kanneth
    Reply
    |     Mar 11, 2025

    This idea is being discussed internally and requires more time.

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