linux-kernel - Re: [Cocci] spatch for trivial pointer comparison style?

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Message-ID: <1415982122.5912.14.camel@perches.com>
Date:	Fri, 14 Nov 2014 08:22:02 -0800
From:	Joe Perches <joe@...ches.com>
To:	Julia Lawall <julia.lawall@...6.fr>
Cc:	cocci <cocci@...teme.lip6.fr>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [Cocci] spatch for trivial pointer comparison style?

On Fri, 2014-11-14 at 10:18 +0100, Julia Lawall wrote:
> On Thu, 13 Nov 2014, Joe Perches wrote:
[]
> > Yes, I agree with some of the things Al Viro said
> > there, but isn't 'type t; t *p;' a subset of
> > "expression *e"?

> No.  How would you expect it to be different.

[]

>   type t means that the type
> is known.  expression *e means that there is a * in the type.

I had thought "expression *" could be r-value and
"type t; t *p;" could be l-value.

But then I don't find (or maybe don't parse too well)
the coccinelle documentation that specifies these
type relationships.

cheers, Joe

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