Re: [RFC/PATCH] Makefile: add cppcheck target

From: Jeff King <peff@peff.net>
Date: Dec 14, 2016, 11:18 UTC
Message-ID: <20161214111856.nhtq4l3ntrhy2fhv@sigill.intra.peff.net>
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:

Show 9 quoted lines

> > 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