Date: Sun, 20 Apr 2003 13:54:01 +0200
From: "Eli Zaretskii" <eliz AT elta DOT co DOT il>
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To: rich AT phekda DOT freeserve DOT co DOT uk
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In-reply-to: <3EA2670B.C1014D39@phekda.freeserve.co.uk> (message from Richard
	Dawe on Sun, 20 Apr 2003 10:23:23 +0100)
Subject: Re: fstat, fd_props and inventing inodes, revision 3 [PATCH]
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> Date: Sun, 20 Apr 2003 10:23:23 +0100
> From: Richard Dawe <rich AT phekda DOT freeserve DOT co DOT uk>
> 
> They are expected. IIRC not all the DJGPP library functions support UNCs. The
> fileutils code is not aware of UNCs. So 'ls' should not be expected to work
> with UNCs.
> 
> fstat, however, does work on UNCs.

If `fstat' supports UNCs, but `stat' does not, it is IMHO a bug that
we ought to fix.

> I suppose the patch may not work correctly, if the user opens the file using
> the UNC, then maps it to a drive later. In that case fstat'ing before and
> after the mapping will give different inodes. The same is true if the UNC
> mapping is changed to a different drive letter. But I think it is unlikely in
> practice that the mappings will change during the course of program execution.

If the drive mappings are changed during the program's execution, I
think the file descriptor is no longer valid.  Perhaps someone could
try this and see whether I'm mistaken.