Re: JCL System symbols

[Paul Gilmartin]

On Wed, 10 May 2017 13:43:33 -0400, Peter Relson wrote:

>>The table still shows the, at least on z/OS V 2.1 and 
>>up, invalid symbols &DATE and &TIME.
>
>Those symbols are not fully "invalid". They are available to IBM-code 
>symbol substituters that choose to allow them. The DUMPDS command 
>processing is such a substituter (I think the only intended one).  The 
>table should mention that (and similarly for &LDATE, &LTIME). Given that 
>they are deprecated, they could certainly be moved out of the table into a 
>separate section.
> 
I suspect this is a consequence of a simple-minded symbol resolution
facility that can't detect or report a buffer overrun when the length
of a symbol's value exceeds the length of its name.

-- gil

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