On Mon, 10 Feb 2014 15:41:53 -0500, John Gilmore wrote:
>
>If you write the assembly-language subroutine, make it [a] generic,
>reentrant RECFM-get routine that will be reusable and put the logic
>for distinguishing FB and VB (and rejecting other possible values) in
>its caller.
> 
My notion of "generic" would be to return RECFM whatever it is
(and LRECL) and let the caller make the decision of suitability.

(Or, accept a list of permissible values.)

In COBOL, must the necessary choices be made earlier than entry
to the DCB OPEN exit?

-- gil

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