From: Joe Perches <firstname.lastname@example.org> To: Dan Carpenter <email@example.com> Cc: Dave Jones <firstname.lastname@example.org>, Andrew Morton <email@example.com>, Andy Whitcroft <firstname.lastname@example.org>, LKML <email@example.com>, Jacob Pan <firstname.lastname@example.org> Subject: Re: [PATCH] checkpatch: Warn on comparisons to true and false Date: Thu, 11 Apr 2013 01:29:35 -0700 [thread overview] Message-ID: <1365668975.1929.4.camel@joe-AO722> (raw) In-Reply-To: <20130411081943.GA6772@mwanda> On Thu, 2013-04-11 at 11:19 +0300, Dan Carpenter wrote: > On Wed, Apr 10, 2013 at 10:14:15PM -0400, Dave Jones wrote: > > It would be interesting to see how many people have historically screwed > > up and used (!a) when they mean (a) and vice versa, versus spelling > > it out longform. I'd be surprised if the results weren't skewed > > in favour of the more verbose form. > > I see a the occasional reversed test in Smatch but normally these > kind of bugs are detected with basic testing so they are rare. I'd guess the most common error would be using an int comparison when the value is not 0 or 1. Non-zero is still "true" but isn't == true.
next prev parent reply other threads:[~2013-04-11 8:29 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-04-10 3:17 Joe Perches 2013-04-10 9:33 ` Andy Whitcroft 2013-04-10 11:27 ` Joe Perches 2013-04-10 12:41 ` Andy Whitcroft 2013-04-10 22:57 ` Andrew Morton 2013-04-11 1:07 ` Joe Perches 2013-04-11 2:14 ` Dave Jones 2013-04-11 3:47 ` Joe Perches 2013-04-11 8:19 ` Dan Carpenter 2013-04-11 8:29 ` Joe Perches [this message] 2013-04-11 11:56 ` Bjørn Mork 2013-04-11 14:25 ` Joe Perches
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