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Date: Sat, 27 Mar 2004 13:07:17 -0500
From: Christopher Faylor <cgf-no-personal-reply-please AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: lstat on FAT - Was: Problem with find on FAT drives
Message-ID: <20040327180717.GA5383@redhat.com>
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On Sat, Mar 27, 2004 at 12:05:22PM -0500, Pierre A. Humblet wrote:
>At 03:03 PM 3/26/2004 -0500, Christopher Faylor wrote:
>>[just to provide a non-flip answer to this subject]
>>On Wed, Mar 24, 2004 at 09:39:29PM -0500, Pierre A. Humblet wrote:
>>>On Wed, Mar 24, 2004 at 04:42:39PM -0500, Christopher Faylor wrote:
>>>I wonder if 
>>>      char *p = strrchr (src, '\0');
>>>      /* Detect if the user was looking for a directory.  We have to
>strip the
>>>should be inside the symlink loop or outside. I guess that depends if
>>>symlink contents ending with / are special (on Sun the final / is
>stripped in
>>>symlinks, dunno about other Unix flavors).
>>
>>I really hated putting that in there to begin with (and it should be a
>>'strchr' anyway) but it was required because Windows allows you to say
>>/foo/bar/ and even /foo/bar/. even when bar isn't a directory.  I don't
>>believe that the code would work right if that wasn't there.  It would
>>allow a symlink to /foo/bar/. to work when it shouldn't.
>
>OK, but there are two other related issues:
>
>On Sun
>1-everest$ ln -s /etc/passwd/ pw
>1-everest$ tail -1 pw
>+:x:::::/var/adm/local/nologinsh
>1-everest$ ls -l pw
>lrwxrwxrwx   1 humblet  cm            11 Mar 27 17:49 pw -> /etc/passwd
>                 (note the final / is gone)
>On Cygwin:
>~: ln -s /etc/passwd/ pw
>~: tail -1 pw
>tail: pw: No such device or address   (because the test is in the symlink
>loop)
>~: ls -l pw
>lrwxrwxrwx    1 pierre   all           121 Mar 27 11:47 pw -> /etc/passwd/

The error here is that the error should be "Not a directory".  That was
broken by my new device handling code.  I've checked in a fix.

>On Cygwin:
>~: ln -s /etc et
>~: /bin/ls -ld et 
>lrwxrwxrwx    1 pierre   all           106 Mar 27 11:54 et -> /etc
>~: /bin/ls -ld et/
>drwxr-xr-x   11 pierre   all             0 Oct 12  2001 et/
>  Here they differ.
>
>Can someone check how Linux behaves in these cases?

Cygwin mimics linux.  I tried this on an another older UNIX system which
mimics linux.  Solaris and IRIX strip the trailing slash, however.

cgf

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