Subject: bug#16699: closed (Re: bug#16699: gzip -l bug)

From: [email-masked] (GNU bug Tracking System)
Date: Sun, 09 Feb 2014 16:12:05 +0000

Your bug report

#16699: gzip -l bug

which was filed against the gzip package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to [email-masked].

-- 
16699: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=16699
GNU Bug Tracking System
Contact [email-masked] with problems

Subject: Re: bug#16699: gzip -l bug
From: Jim Meyering <[email-masked]>
To: Paul Eggert <[email-masked]>
Cc: [email-masked], Chris Pitzel <[email-masked]>
Date: Sun, 9 Feb 2014 08:11:26 -0800
List-Id: <debbugs-submit.debbugs.gnu.org>

On Sat, Feb 8, 2014 at 7:58 PM, Paul Eggert <[email-masked]> wrote:
> It's a known problem, inherent to the gzip format (which stores only the
> last 32 bits of the uncompressed size).  Fixing it would require changing
> the format, which is unlikely at this point.

Thanks for the report Chris and for explaining, Paul.
I'm marking this issue as done (via the -done address Cc'd above).

Subject: gzip -l bug
From: "Chris Pitzel" <[email-masked]>
To: <[email-masked]>
Date: Sat, 8 Feb 2014 20:46:27 -0600
List-Id: <debbugs-submit.debbugs.gnu.org>

A fairly obvious bug with the list (-l) option of gunzip.  In this case,
"grandma-new.img" is approximately 320 gigabytes.  Compressed down to 46gb.
"Uncompressed", and "ratio" are wrong.  

root@xxx:/Virt# gunzip -V

gzip 1.6

Copyright (C) 2007, 2010, 2011 Free Software Foundation, Inc.

Copyright (C) 1993 Jean-loup Gailly.

This is free software.  You may redistribute copies of it under the terms of

the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.

There is NO WARRANTY, to the extent permitted by law.

Written by Jean-loup Gailly.

root@xxx:/Virt# gunzip -l /video1/grandma-new.img.gz

         compressed        uncompressed  ratio uncompressed_name

        46492229886          2245353472 -1970.6% /video1/grandma-new.img

root@xxx:/Virt#