linux-kernel - Re: [PATCH] coccinelle: assign signed result to unsigned variable

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <alpine.DEB.2.10.1509261754350.2864@hadrien>
Date:	Sat, 26 Sep 2015 17:55:15 +0200 (CEST)
From:	Julia Lawall <julia.lawall@...6.fr>
To:	SF Markus Elfring <elfring@...rs.sourceforge.net>
cc:	Julia Lawall <julia.lawall@...6.fr>,
	Andrzej Hajda <a.hajda@...sung.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Gilles Muller <Gilles.Muller@...6.fr>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Michal Marek <mmarek@...e.com>,
	Nicolas Palix <nicolas.palix@...g.fr>,
	kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org,
	cocci@...teme.lip6.fr
Subject: Re: [PATCH] coccinelle: assign signed result to unsigned variable

On Sat, 26 Sep 2015, SF Markus Elfring wrote:

> >> * Will a command-line parameter like "--include-headers-for-types"
> >>   be needed here?
> >
> > This argument is never needed.  It is only an optimization.  It means that
> > he header files are only considered when collecting type information, but
> > not whn doing transformation.  But this argument has no effect on the set
> > of types tha are available.
>
> I would consider the reuse of the parameter "--recursive-includes" then
> so that the most function signatures will be available.
> This has got some consequences on the execution speed and configuration
> for the source code analysis.
>
> Are there any risks to include too many functions?

Maybe if there are conflicting definitions of the function with different
return types.  This is probably not a big deal in practice.

julia


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/