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  3. November 2001

Re: Pointer question (long)

From: Goodbar, Loyd (AFS-Water Valley) <LGoodbar@afs.bwauto.com>

> That appeared to be the problem. Thanks!
>
> How it works, but every second run, the call to CIPHER fails because the
> pointer to HASHCTXPTR is *NULL.
> d controls        ds
> d  function                      5i 0 inz(5)
> d  hashalg                       1a   inz(x'00')
> d  sequence                      1a   inz(x'00')
> d  datalength                   10i 0 inz(15)
> d  unused                        8a   inz(*loval)
> d  hashctxptr                     *   inz(%addr(hashworkarea))
> d hashworkarea    s             96a   inz(*loval)
>

The 'hashworkarea' should be set to zero EVERY time you call CIPHER if
you are using the 'only' sequence (x00). How that causes the pointer to
become NULL I don't know.

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