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Message-ID:	<392AEC2D.6277F3@ece.gatech.edu>
Date:	Tue, 23 May 2000 16:38:05 -0400
From:	Charles Wilson <cwilson AT ece DOT gatech DOT edu>
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To:	Jason Tishler <Jason DOT Tishler AT dothill DOT com>, cygwin AT sourceware DOT cygnus DOT com,
	cosmin AT cs DOT toronto DOT edu
Subject:	Re: CygUtils Version of zip (and Symlinks)
References:	<392ACD0A DOT D946A741 AT dothill DOT com> <200005231838 DOT OAA23850 AT envy DOT delorie DOT com> <392ADC53 DOT 8CC580B6 AT dothill DOT com> <392AE763 DOT C5F14D7C AT ece DOT gatech DOT edu>

> > > The files produced have the HostOS value equal to 11 (WinNT filesystem),
> > > not 3 (Unix), and the NTSD descriptors are also stored in the zip archive,
> > > along with the universal time (as in the Unix versions).
> 
> This sounded like a good thing (especially with the ntsec stuff which
> uses NTSD descriptors) so the current versions (zip-2.3, unzip-5.41) on
> CygUtils are built using win32/makefile.gcc.
> 
> I did not look too closely at the code; perhaps the symlink handling
> stuff that is there for Unix platforms, gets #ifdef'd out in this
> configuration? If so, it shouldn't be too hard to locate that section
> and #ifdef it back in for __CYGWIN__.
> 

Hmmm...I've been thinking. I'm not sure you *want* to store NTSD
descriptors in a zip file. Suppose I have SID 1-3661234856-525, and zip
up my files, and give the zip to you. Then, you unzip the file but there
is no user #525 on your machine. What happens?

When you get right down to it, cygwin is NOT windows. It does everything
it can to make windows look like Unix, so that apps can run *as if they
were on unix* with little or no changes. So, by that logic,
cygwin-zip/unzip =should= be built as unix-ish apps, not windows-ish
ones.

Comments?

--Chuck

p.s. cosmin: I don't know if you're subscribed to the cygwin list; for
the context of this email, see the discussion thread: 
http://sourceware.cygnus.com/ml/cygwin/2000-05/threads.html#00782

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