[Info-vax] VAX Macro to C conversion

[Dave Froble]

On 6/24/2019 1:24 PM, Simon Clubley wrote:
> On 2019-06-24, Michael Moroney <moroney at world.std.spaamtrap.com> wrote:
>> =?UTF-8?Q?Jan-Erik_S=c3=b6derholm?= <jan-erik.soderholm at telia.com> writes:
>>
>>> Den 2019-06-24 kl. 15:59, skrev Michael Moroney:
>>>> Simon Clubley <clubley at remove_me.eisner.decus.org-Earth.UFP> writes:
>>>>
>>>>> How much work would be involved in a rewrite of the shadowing code in C ?
>>>>
>>>> $ dir/size/grand xf72_resd$:[shadowing*.src]*.mar;
>>>>
>>>> Grand total of 12 directories, 55 files, 9878 blocks.
>>>> $
>>>>
>
> Thanks.
>
>>
>>> And how many "Records searched:" from:
>>
>>> $ sea/stat/win=0 xf72_resd$:[shadowing*.src]*.mar; qwertyasdfgh
>>
>>> ?
>>
>> $ sea/stat/win=0 xf72_resd$:[shadowing*.src]*.mar; qwertyasdfgh
>>
>> Files searched:                55       Buffered I/O count:       217
>> Records searched:          159718       Direct I/O count:         130
>> Characters searched:      4639981       Page faults:               24
>> Records matched:                0       Elapsed CPU time:  0 00:00:00.45
>> Lines printed:                  0       Elapsed time:      0 00:00:00.97
>> %SEARCH-I-NOMATCHES, no strings matched
>> $
>>
>>
>>> So the new file system will not support shadowing from the start?
>>
>> The new file system will support disks > 2TB.  Shadowing doesn't, and cannot
>> without a lot of work.
>
> Will shadowing work on the new file system if disk sizes are kept
> at 2TB or smaller ?
>
> If so, is it viable to convert the signed values to unsigned values
> to at least get the maximum disk size supported up to 4TB ?

I'd guess, in such an environment, in Macro-32, that signed intergers 
are not used.  But what do I know.


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David Froble                       Tel: 724-529-0450
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