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

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Date:	Sat, 26 Sep 2015 11:41:58 +0200
From:	SF Markus Elfring <elfring@...rs.sourceforge.net>
To:	Julia Lawall <julia.lawall@...6.fr>
Cc:	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

> To collect function calls that have a return value of a given type t,
> it should be sufficient to do the following:
> 
> @@
> t e;
> identifier f;
> @@
> 
> f(...)@e

Is such a SmPL approach better than a variant like the following?

@find_function@
type t;
identifier f;
@@
 t f(...)
 { ... }

Regards,
Markus
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