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Date: Sun, 20 Feb 2011 13:15:56 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
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Subject: Re: Please test latest developer snapshot
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On Feb 19 13:34, Warren Young wrote:
> On 2/19/2011 11:35 AM, Warren Young wrote:
> >On 2/19/2011 11:29 AM, Warren Young wrote:
> >>$ rmdir .
> >>rmdir: failed to remove `.': Invalid argument
> >
> >Nevermind. It doesn't work on Linux, either. I guess /bin/rmdir has code
> >in it to check for that, which rmdir(2) does not.
> 
> Better test, which does work with 20110215, and which proves it's
> rmdir(1) being too clever, but not so clever it can't be outsmarted:
> 
> 	$ mkdir foo
> 	$ cd foo
> 	$ rmdir ../foo
> 
> Eat that, rmdir(1)!

It's not missing cleverness of rmdir(1) but by design of the rmdir(2)
function per POSIX.  See
http://pubs.opengroup.org/onlinepubs/9699919799/functions/rmdir.html

  "If the path argument refers to a path whose final component is either
   dot or dot-dot, rmdir() shall fail.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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