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Date: Tue, 23 Aug 2005 10:34:57 +0200
From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: CreateProcess was: bash: /usr/bin/rm: Argument list too long
Message-ID: <20050823083457.GL17452@calimero.vinschen.de>
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References: <OF2DB26951.D12307CF-ONC1257065.0045672A-C1257065.00472A45@dk.ibm.com> <4309D026.8000702@byu.net> <20050822145726.GD1223@trixie.casa.cgf.cx> <430A71EC.6EAC330B@dessent.net>
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On Aug 22 17:46, Brian Dessent wrote:
> Christopher Faylor wrote:
> 
> > There will be some limits (especially with cygwin 1.5.18 - this is fixed
> > in snapshots) but mounting the /bin and /usr/bin directories with -X
> > should increase the command line length enormously over the Windows
> > default of around 32K.
> 
> The MSDN docs for the lpCommandLine parameter to CreateProcess
> <http://msdn.microsoft.com/library/en-us/dllproc/base/createprocess.asp>
> does indeed say the limit is 32K chars, but then there's this note that
> for Windows 2000 it's MAX_PATH which is 260, right?  Why in the world
> would 2k have such a smaller limit and all the over versions have a 32K
> limit?  Or is this a typo?

They made the same typo also in the CreateProcessAsUser and
CreateProcessWithLogonW man pages, but not in CreateProcessWithTokenW.

It seems to be a typo.  I tried to start Cygwin's /bin/echo from a cmd
shell and it got the full command line of ~500 chars.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          mailto:cygwin@cygwin.com
Red Hat, Inc.

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