git.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Tomas Carnecky <tom@dbservice.com>
To: Heikki Orsila <shdl@zakalwe.fi>
Cc: git@vger.kernel.org
Subject: Re: A bug in git 1.6.5.2 with git log --stat: shows a negative number as a size
Date: Fri, 16 Apr 2010 17:02:01 +0200	[thread overview]
Message-ID: <4BC87BE9.9040704@dbservice.com> (raw)
In-Reply-To: <20100416135948.GA26918@zakalwe.fi>

On 4/16/10 3:59 PM, Heikki Orsila wrote:
> I'm running git version 1.6.5.2. git log --stat shows a negative
> diffstat size for two files that are each 2049MiB in size.
>
> Steps to reproduce:
>
> $ for f in 0 1 ; do dd bs=$((1024*1024)) if=/dev/zero of=$f count=2049 ; done
> $ git add 0 1
> $ git commit -m "test commit"
> $ git log --stat
> commit 6afe3d3c889daa92bd79956c4bb733eb5cb408dc
> Author: Heikki Orsila<heikki.orsila@iki.fi>
> Date:   2010-04-16 16:54:52 +0300
>
>      test commit
>
>   0 |  Bin 0 ->  -2146435072 bytes
>   1 |  Bin 0 ->  -2146435072 bytes
>   2 files changed, 0 insertions(+), 0 deletions(-)

Yep, bug is also in the latest version (1.7.0.5). The code uses 'int' 
instead of something big enough to hold the size of your files.

http://git.kernel.org/?p=git/git.git;a=blob;f=diff.c;h=a1bf1e9cb37104cda8168c5118769ce5bbcfcbb2;hb=HEAD#l1105

and a couple lines below (1124) you see that the stat is printed out.

tom

  reply	other threads:[~2010-04-16 15:02 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-04-16 13:59 A bug in git 1.6.5.2 with git log --stat: shows a negative number as a size Heikki Orsila
2010-04-16 15:02 ` Tomas Carnecky [this message]
2010-04-17 10:25   ` [PATCH] diff: use 64-bit integers for diffstat calculations Jeff King
2010-04-17 17:00     ` Junio C Hamano
2010-04-17 17:41       ` Jeff King

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4BC87BE9.9040704@dbservice.com \
    --to=tom@dbservice.com \
    --cc=git@vger.kernel.org \
    --cc=shdl@zakalwe.fi \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).