From: Marek Lindner <lindner_marek@yahoo.de>
To: The list for a Better Approach To Mobile Ad-hoc Networking
<b.a.t.m.a.n@lists.open-mesh.org>
Subject: Re: [B.A.T.M.A.N.] no need to check for NULL before calling free() (was: [PATCH v2] batctl: avoid parsing bat-hosts multiple times)
Date: Thu, 4 Mar 2010 23:35:09 +0800 [thread overview]
Message-ID: <201003042335.09788.lindner_marek@yahoo.de> (raw)
In-Reply-To: <201003042309.05473.lindner_marek@yahoo.de>
On Thursday 04 March 2010 23:09:05 Marek Lindner wrote:
> I added a small check add the end of the patch to make sure that we don't
> attempt to free a NULL pointer.
Sven just informed me that this is not necessary - free() also accepts a NULL
pointer. Shockingly I was not aware of that. It seems I'm not the only one
since even manpages do it wrong (e.g. man 3 getline). :-)
Cheers,
Marek
prev parent reply other threads:[~2010-03-04 15:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-04 13:50 [B.A.T.M.A.N.] [PATCH v2] batctl: avoid parsing bat-hosts multiple times Daniel Seither
2010-03-04 15:09 ` Marek Lindner
2010-03-04 15:35 ` Marek Lindner [this message]
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