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From: Johannes Schindelin <Johannes.Schindelin@gmx.de>
To: Stefan Beller <stefanbeller@googlemail.com>
Cc: Jens.Lehmann@web.de, gitster@pobox.com, git@vger.kernel.org
Subject: Re: [PATCH] diff: remove another ternary expression always evaluating to true
Date: Thu, 8 Aug 2013 23:01:03 +0200 (CEST)	[thread overview]
Message-ID: <alpine.DEB.1.00.1308082257580.24252@s15462909.onlinehome-server.info> (raw)
In-Reply-To: <1375988103-29947-1-git-send-email-stefanbeller@googlemail.com>

Hi Stefan,

On Thu, 8 Aug 2013, Stefan Beller wrote:

> The condition before the changed line dereferences 'one' to query the mode,
> so if the condition evaluates to true, the variable one must not be null.

To show this better, please use -U10 (or some other appropriate context
option) in the future.

> Therefore we do not need the ternary operator depending on one, giving
> either one->path or two->path. This always evaluates to one->path, so we
> can remove the ternary operator.
> 
> The condition and the usage of the ternary operator have been introduced
> by the same commit (752c0c24, 2009-10-19, Add the --submodule option to
> the diff option family). As that commit message refers to a GitTogether
> I'd assume that patch was crafted in a hurry, so maybe overlooking the
> need for a ternary operator there.

If this is my code, I do not need a GitTogether to excuse my sloppiness.
In this particular case, I imagine the appropriate fix is to test for
one->path instead of removing the conditional, though.

Ciao,
Johannes

  reply	other threads:[~2013-08-08 21:01 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-08 18:55 [PATCH] diff: remove another ternary expression always evaluating to true Stefan Beller
2013-08-08 21:01 ` Johannes Schindelin [this message]
2013-08-08 21:22   ` Stefan Beller
2013-08-08 21:36     ` Johannes Schindelin
2013-08-08 22:03       ` Junio C Hamano
2013-08-08 22:11         ` [PATCH] diff: fix a possible null pointer dereference Stefan Beller
2013-08-08 21:36 ` [PATCH] diff: remove another ternary expression always evaluating to true Philip Oakley
2013-08-08 22:17   ` Stefan Beller

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