From: Julia Lawall <julia.lawall@inria.fr>
To: Markus Elfring <Markus.Elfring@web.de>
Cc: Coccinelle <cocci@systeme.lip6.fr>
Subject: Re: [Cocci] Clarification for application of null pointer checks with SmPL
Date: Wed, 11 Mar 2020 09:10:41 +0100 (CET) [thread overview]
Message-ID: <alpine.DEB.2.21.2003110909390.2439@hadrien> (raw)
In-Reply-To: <a03a8370-0bc7-b048-5a5e-7ee1730fe704@web.de>
On Wed, 11 Mar 2020, Markus Elfring wrote:
> >> ... when any
> >> when != pointer = \( action(...) \| x \)
> >> *if (
> >> ( !pointer
> >> | pointer == NULL
> >> )
> >
> > pointer == NULL would have been sufficient (not related to the noted problems).
>
> Should this detail be handled as an isomorphism?
> https://github.com/coccinelle/coccinelle/blob/19ee1697bf152d37a78a20cefe148775bf4b0e0d/standard.iso#L134
Yes.
julia
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next prev parent reply other threads:[~2020-03-11 8:11 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-08 13:26 [Cocci] Checking two error messages Markus Elfring
2020-03-08 14:42 ` Julia Lawall
2020-03-11 7:56 ` [Cocci] Clarification for application of null pointer checks with SmPL Markus Elfring
2020-03-11 8:10 ` Julia Lawall [this message]
2020-03-11 8:15 ` Markus Elfring
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