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Date:	Thu, 22 Apr 2004 21:45:47 +0200
From:	"Eli Zaretskii" <eliz AT gnu DOT org>
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To:	Esa A E Peuha <peuha AT cc DOT helsinki DOT fi>
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In-reply-to:	<Pine.OSF.4.58.0404221114550.20168@sirppi.helsinki.fi> (message
	from Esa A E Peuha on Thu, 22 Apr 2004 11:36:00 +0300 (EET DST))
Subject:	Re: Emacs oddity with TMPDIR
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> Date: Thu, 22 Apr 2004 11:36:00 +0300 (EET DST)
> From: Esa A E Peuha <peuha AT cc DOT helsinki DOT fi>
> 
> On my machine, I have TMPDIR, TEMP, and TMP all set to e: (my ram drive)

Why not set them to e:/ or e:\ ?

> The reason for this is that the function
> init_environment in msdos.c (in Emacs sources) calls access with the
> value of each variable, but doesn't check that there's a trailing slash,
> and this causes access to fail.  I'm not quite sure whether
> access("e:", D_OK) should fail or not, but in either case, Emacs should
> probably add the trailing slash before calling access and setting TMPDIR
> (in case some Emacs functions assume that there is a trailing slash).

I'm not sure it's Emacs's fault: "e:" is a bad value for a temporary
directory, since the place it points to will change with the cwd on
drive E.  Emacs needs a fixed place for TMPDIR, so it could relate to
it from any buffer and still find the files.

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