[Info-vax] DCL Integer Overflow

David Froble davef at tsoft-inc.com
Mon Jul 3 12:32:40 EDT 2017


John Reagan wrote:
> On Monday, July 3, 2017 at 9:50:18 AM UTC-4, David Froble wrote:
>> Robert A. Brooks wrote:
>>> On 7/2/2017 10:14 PM, David Froble wrote:
>>>
>>>  > I guess my question is "why is anyone using integers of such magnitude
>>>  > in DCL?"
>>>
>>> When we support larger than 2TB disks, there will be issues with
>>>
>>> write sys$output f$getdvi( "big disk", "maxblock" )
>>>
>>> There is no good way to fix this (and problems like this one), other
>>> than defining a new item code that returns a string.
>>>
>> Well, Ok, but, when I want to see anything about the disks, I've got a symbol 
>> "SYD" that is "SHOW DEVICE D", and I'm guessing that invokes a non-DCL program, 
>> which could support larger than 32-bit integers.
>>
>> I guess it is because I see "DCL" as "Digital COMMAND Language", not "Digital 
>> PROGRAMMING Language".
> 
> Can I save this reply for the next discussion about replacing DCL with a scripting language like Python or even BASIC? :) :) :)

Sure ..

:-)



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