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From: Julia Lawall <julia.lawall@lip6.fr>
To: Markus Elfring <Markus.Elfring@web.de>
Cc: Coccinelle <cocci@systeme.lip6.fr>
Subject: Re: [Cocci] Software analysis with SmPL around unchecked pointer function calls
Date: Fri, 18 Oct 2019 16:52:57 +0200 (CEST)
Message-ID: <alpine.DEB.2.21.1910181652250.3697@hadrien> (raw)
In-Reply-To: <5359c9dc-1f1c-fd23-b09a-76d08aab517e@web.de>



On Fri, 18 Oct 2019, Markus Elfring wrote:

> >> Will the distinction be improved for the safe usage of function pointers
> >> also together with the semantic patch language?
> >
> > I don't see any reason why declaring x as expression *x; should imply
> > anything about the type of the value returned by a function pointer.
>
> Function pointers have got also the property of a return type, don't they?

Function pointers certainly have a return type, but the return type could
be int.

julia

>
> I would like to restrict the kind of called functions at the mentioned place
> as precise as possible.
>
> By the way:
> Would we occasionally like to exclude the possibility for variable
> assignments with incompatible pointer types?
>
> Regards,
> Markus
>
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Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-10 12:56 [Cocci] Software analysis with SmPL around unchecked " Markus Elfring
2019-10-10 13:13 ` Julia Lawall
2019-10-10 13:35   ` Markus Elfring
2019-10-10 13:38     ` Julia Lawall
2019-10-10 14:04       ` Markus Elfring
     [not found]         ` <alpine.DEB.2.21.1910101606420.2305@hadrien>
2019-10-10 14:15           ` Markus Elfring
     [not found]             ` <alpine.DEB.2.21.1910102053440.2500@hadrien>
2019-10-11  5:11               ` Markus Elfring
2019-10-11  6:07                 ` Julia Lawall
2019-10-11  7:03                   ` Markus Elfring
     [not found]                     ` <alpine.DEB.2.21.1910110906390.2662@hadrien>
2019-10-11  7:30                       ` Markus Elfring
2019-10-11  9:23                       ` Markus Elfring
2019-10-10 16:25       ` Markus Elfring
2019-10-18 12:54   ` [Cocci] Software analysis with SmPL around unchecked pointer " Markus Elfring
2019-10-18 13:31     ` Julia Lawall
2019-10-18 13:42       ` Markus Elfring
2019-10-18 13:49         ` Julia Lawall
2019-10-18 14:20           ` Markus Elfring
2019-10-18 14:30             ` Julia Lawall
2019-10-18 14:34               ` Markus Elfring
2019-10-18 14:39                 ` Julia Lawall
2019-10-18 14:46                   ` Markus Elfring
2019-10-18 14:52                     ` Julia Lawall [this message]
2019-10-18 14:56                       ` Markus Elfring
2019-10-18 16:00       ` Markus Elfring
2019-10-18 16:06         ` Julia Lawall
2019-10-18 16:32           ` Markus Elfring
2019-10-19 15:33         ` Markus Elfring
2019-10-19 15:41           ` Julia Lawall
2019-10-19 16:04             ` Markus Elfring
2019-10-19 19:40             ` Markus Elfring
2019-10-20  5:42               ` Julia Lawall
2019-10-20  6:04                 ` Markus Elfring
2019-10-20  9:22                 ` Markus Elfring

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