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Date: Wed, 12 Apr 2006 18:19:37 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
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Subject: Re: XP embedded
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On Apr 12 12:05, Igor Peshansky wrote:
> On Wed, 12 Apr 2006, Christopher Faylor wrote:
> 
> > On Wed, Apr 12, 2006 at 07:43:33AM -0400, Jeff Lange wrote:
> > >/dev/zero does work properly.  I changed line 68 in /etc/profile to
> > >use /dev/zero instead of /dev/null and I no longer get the bash error
> > >on start up.
> 
> FWIW, /dev/zero is not always the proper substitution for /dev/null (i.e.,
> on input redirection, it will work differently).

Mon dieu!

> What I'm wondering is whether we need the Windows NUL device at all for
> implementing /dev/null...  It's rather trivial[*] to implement one without
> resorting to a Windows device.  Would there be any way of distinguishing
> an emulation from the real NUL device?
> 	Igor

Since /dev/null is a really existing native device, it also works for
stdio redirection when executing a native Windows process.  Off the top
of my head I don't know a case for which that really matters, but it's
guaranteed that somebody on the list will find a case really soon after
this change.


Corinna

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

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