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From:	"Robert Collins" <robert DOT collins AT syncretize DOT net>
To:	<cygwin AT cygwin DOT com>
References:	<rrschulz AT cris DOT com> <5 DOT 1 DOT 0 DOT 14 DOT 2 DOT 20020716182754 DOT 02f3df30 AT pop3 DOT cris DOT com> <5 DOT 1 DOT 0 DOT 14 DOT 2 DOT 20020716185624 DOT 03113ce8 AT pop3 DOT cris DOT com> <5 DOT 1 DOT 0 DOT 14 DOT 2 DOT 20020716193950 DOT 03031af8 AT pop3 DOT cris DOT com> <006701c22d3f$d6b486e0$d500a8c0 AT study2> <20020717033631 DOT GA25069 AT redhat DOT com>
Subject:	Re: gzip.exe as symlink breaks NTEmacs's jka-compr.el
Date:	Wed, 17 Jul 2002 13:38:27 +1000
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I really gotta stop reading between the lines, and get the cygwin source on
this PC. I thought Randall had tried ln on a FAT partition and had it fail.

Ah well.

Rob

----- Original Message -----
From: "Christopher Faylor" <cgf AT redhat DOT com>
To: <cygwin AT cygwin DOT com>
Sent: Wednesday, July 17, 2002 1:36 PM
Subject: Re: gzip.exe as symlink breaks NTEmacs's jka-compr.el


> >> It occurred to me that Cygwin1.dll might be making the copy on FAT file
> >> systems, but that didn't seem to make much sense, since the "hard link
> >> fails on FAT" case seems awfully close to the "cross-dev link fails"
case
> >> that a conventional Unix "ln" already has to deal with.
> >
> >Huh? Cygwin1.dll doesn't make a copy on FAT - it fails as you have just
> >noted.. Setup.exe's cygfile:// handler makes copies.
>
> Actually, the Cygwin link() function does make a copy on a FAT partition:
>
> extern "C" int
> _link (const char *a, const char *b)
> {
> .
> .
> .
> docopy:
>   /* do this with a copy */
>   if (CopyFileA (real_a, real_b, 1))
>     res = 0;
>   else
>     __seterrno ();
> .
> .
> .
>
> cgf
>
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