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From: Jeff King <peff@peff.net>
To: Chris Packham <judge.packham@gmail.com>
Cc: GIT <git@vger.kernel.org>, Elia Pinto <gitter.spiros@gmail.com>
Subject: Re: [RFC/PATCH] Makefile: add cppcheck target
Date: Wed, 14 Dec 2016 06:18:57 -0500	[thread overview]
Message-ID: <20161214111856.nhtq4l3ntrhy2fhv@sigill.intra.peff.net> (raw)
In-Reply-To: <CAFOYHZBRq=5FGswQZSYbn0JdrEv+xqLm6gdpD_nE+1L_CfPHEw@mail.gmail.com>

On Wed, Dec 14, 2016 at 09:33:59PM +1300, Chris Packham wrote:

> > I do see a few real problems, but many false positives, too.
> > Unfortunately, one of the false positives is:
> >
> >   int foo = foo;
> 
> On I side note I have often wondered how this actually works to avoid
> the uninitialised-ness of foo. I can see how some compilers may be
> fooled into thinking that foo has been set but that doesn't actually
> end up with foo having a deterministic value.

Right, this is only used to shut up the compiler when it incorrectly
thinks the variable is uninitialized.

-Peff

  reply	other threads:[~2016-12-14 11:19 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-13  9:22 [RFC/PATCH] Makefile: add cppcheck target Chris Packham
2016-12-13  9:32 ` Chris Packham
2016-12-13  9:37   ` stefan.naewe
2016-12-13 12:15 ` Jeff King
2016-12-13 12:28   ` Jeff King
2016-12-14  8:23     ` Chris Packham
2016-12-14  8:33   ` Chris Packham
2016-12-14 11:18     ` Jeff King [this message]
2016-12-14  9:27 ` [RFC/PATCHv2] " Chris Packham
2016-12-14 11:24   ` Jeff King
2016-12-14 14:46     ` Jeff King
2016-12-15 23:22     ` [RFC/PATCH] Makefile: suppress some cppcheck false-positives Chris Packham
2016-12-16 18:43       ` Junio C Hamano
2016-12-16 22:16         ` Jeff King
     [not found]     ` <6ABA4AA4-BD5C-4178-BB3B-91CA045EA2AD@gmail.com>
2016-12-17  7:31       ` [RFC/PATCHv2] Makefile: add cppcheck target Chris Packham

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