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Number   :  3114
Date     :  2002-11-15
Author   :  CBFalconer
Subject  :  Re: Change to Standard Time: identical fileswithdifferent
Size(KB) :  1


Kan Yabumoto wrote:
> 
... snip ...
> 
> It's a messy and confusing subject for sure. Please
> correct me if I'm wrong on the understanding of the
> difference between 9X/ME and NT/2K/XP about the
> treatment of timestamps.

I suspect you have a better handle on it than I do. I haven't
done a backup since the last time change, so I guess I shall have
to check what dates are showing.

You might get hold of Ralf Browns interrupt list and do a few
direct DOS calls to see what shows up in the appropriate directory
entry fields. Also try it both in a DOSbox on w98 and one of the
NT flavors, and in raw DOS before booting w98. Direct disk access
and examination of the raw directory entries might also be
instructive, because then no Microsoft software will have had a
change to 'correct' them.

There are, I believe, at least two sets of directory access calls
available, and possibly a third left over from FCB access times. 
One set comes with LFN support and is missing in the raw DOS
mode. I think.

BTW, the short name is not constructed dynamically - it is a
separate directory entry made at file creation time. If you
create the files with FILE_NUMERIC_TAILS (or something like that)
shut off, then turn them on, the truncated name persists. At
least in W95/8.

-- 
Chuck F (cbfalconer@y...) (cbfalconer@w...)
Available for consulting/temporary embedded and systems.
 USE worldnet address!



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