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Date: Mon, 17 Jun 2013 17:15:27 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: UNC and POSIX paths
Message-ID: <20130617151527.GA13457@calimero.vinschen.de>
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References: <003501ce6b5f$b41f2c10$1c5d8430$%fedin AT samsung DOT com>
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User-Agent: Mutt/1.5.21 (2010-09-15)

On Jun 17 17:36, Fedin Pavel wrote:
>  Hello!
> 
>  I decided to pay attention to one more problem. Lots of not very well
> written configure scripts and makefiles like to access things like
> '//usr/bin'. Under Cygwin this causes problem because Cygwin treats '//' in
> Windows-style as access to network shares.
>  What if we change this ? We could have a mount entry, something like '/unc'
> (or /smb, /net, whatever) and access it like '/smb/computername/sharename'.
> I think this would improve POSIX compatibility a lot.

Maybe there has been said enough in this thread already, but I have
to add this:  Cygwin's behaviour *is* POSIX compatible.  Consider
this excerpt from SUSv4 Base specifications, section 4.12 "Pathname
Resolution" (1):

  A pathname consisting of a single <slash> shall resolve to the root
  directory of the process. [...] If a pathname begins with two
  successive <slash> characters, the first component following the
  leading <slash> characters may be interpreted in an
  implementation-defined manner, although more than two leading <slash>
  characters shall be treated as a single <slash> character.


Corinna

(1) http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap04.html


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

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