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Message-ID:	<40343882.2090904@cwilson.fastmail.fm>
Date:	Wed, 18 Feb 2004 23:16:02 -0500
From:	Charles Wilson <cygwin AT cwilson DOT fastmail DOT fm>
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To:	cygwin AT cygwin DOT com
Subject:	Re: Pserver on cygwin corrupts binary files
References:	<00d101c3f583$8a14dd90$6500a8c0 AT Ray> <00d601c3f586$d59e25c0$6500a8c0 AT Ray> <c0u7cg$7gs$1 AT sea DOT gmane DOT org> <20040218100109 DOT GG18953 AT cygbert DOT vinschen DOT de>
In-Reply-To:	<20040218100109.GG18953@cygbert.vinschen.de>

Corinna Vinschen wrote:
> On Feb 17 18:16, Alejandro Lopez-Valencia wrote:
> 
>>Because when using textmode, cygwin changes the semantics of I/O
>>functions in the underlying C runtime. It does (and forces) EOL
>>conversion on all files read and written to the filesystem as well as
>>*sockets* and *pipes* for all applications compiled with the runtime.
> 
> 
> Nope.  Sockets reads and writes are always binary.

The only problem is cvs has special code to do EOL munging itself.  I've 
tried to eliminate that cruft (or #ifdef it out) for the cygwin build, 
but I never tried to "certify" the pserver for use.  As far as I'm 
concerned, using the cygwin cvs as a pserver *server* is unsupported, 
although there have been rumors that it works.  For some people.  Under 
some (as usual, unspecified) conditions.

Of course, using cygwin cvs as a pserver *client* is always supported.

My point: to track down this issue will probably require getting dirty 
(e.g. tracing thru the code).

--
Chuck


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