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Date: Fri, 10 Dec 1999 15:03:23 -0500
From: Chris Faylor <cgf AT cygnus DOT com>
To: Corinna Vinschen <corinna AT vinschen DOT de>
Cc: cygdev <cygwin-developers AT sourceware DOT cygnus DOT com>
Subject: Re: Patch: traling backslash
Message-ID: <19991210150323.A1870@cygnus.com>
Mail-Followup-To: Corinna Vinschen <corinna AT vinschen DOT de>,
	cygdev <cygwin-developers AT sourceware DOT cygnus DOT com>
References: <385156DC DOT 3A4516EA AT vinschen DOT de>
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In-Reply-To: <385156DC.3A4516EA@vinschen.de>; from corinna@vinschen.de on Fri, Dec 10, 1999 at 08:39:08PM +0100

On Fri, Dec 10, 1999 at 08:39:08PM +0100, Corinna Vinschen wrote:
>I'm really surprised that nobody has seen this before.
>I have found it only by chance.
>
>If a posix path is converted to a windows path that only consists
>of a drive letter, it's resolved to "<letter>:" without a
>trailing backslash. This is definitely wrong! In this case the
>path is not interpreted as the root dir of this drive (as it's
>meant by the dll) but DOS and it's sick successors interpret it
>as the current working directory on this drive. This yields to
>e.g. wrong fstat results:
>
>Imagine
>	mount Z: /home
>
>	chmod 777 /home
>	ls -ld /home
>	drwxrwxrwx  3 who ever 0 today   /home
>
>	mkdir /home/foo
>	cd /home/foo
>	chmod 700 .
>	ls -ld . ..
>	drwx------  2 who ever 0 today   .
>	drwx------  2 who ever 0 today   ..
>
>The wrong output of .. is a result of the following operation:
>
>	current working dir is Z:\foo
>	.. is converted to Z: according to the mount table
>	Z: is interpreted by Windows as Z:\foo

Cygwin is supposed to interpret z: as z:\ in every situation.
If it isn't, that's the bug.

cgf