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From: elfring@users.sourceforge.net (SF Markus Elfring)
To: cocci@systeme.lip6.fr
Subject: [Cocci] [PATCH v3] coccinelle: tests: unsigned value cannot be lesser than zero
Date: Mon, 21 Sep 2015 16:06:27 +0200	[thread overview]
Message-ID: <56000EE3.7040602@users.sourceforge.net> (raw)
In-Reply-To: <56000777.6060208@samsung.com>

>> * Reuse of "long int"?
> If you mean adding int to 'unsigned long [long]' types, it does not work.

I am surprised.


> For some reason it works only without adding int after long.

The  Coccinelle software should support the term "generic_ctype" from
the SmPL grammar so far, shouldn't it?
http://coccinelle.lip6.fr/docs/main_grammar005.html#ctype


>> * Splitting of the suggested SmPL rule so that each source code check
>> will be connected with appropriate warning messages.
> Personally I prefer one message as it is more compact

It might look convenient to combine a few source code checks.


> and fits quite well in both cases,

I got an other impression.


> but I have no strong fillings with separate message for each case.

* v at p < 0
  Find places where this condition will always be false.

*v@p >= 0
  Find places where this condition will always be true.


Will it help to distinguish these special cases also in your SmPL script
strictly?

Regards,
Markus

WARNING: multiple messages have this Message-ID (diff)
From: SF Markus Elfring <elfring@users.sourceforge.net>
To: cocci@systeme.lip6.fr
Subject: Re: [PATCH v3] coccinelle: tests: unsigned value cannot be lesser than zero
Date: Mon, 21 Sep 2015 14:06:27 +0000	[thread overview]
Message-ID: <56000EE3.7040602@users.sourceforge.net> (raw)
In-Reply-To: <56000777.6060208@samsung.com>

>> * Reuse of "long int"?
> If you mean adding int to 'unsigned long [long]' types, it does not work.

I am surprised.


> For some reason it works only without adding int after long.

The  Coccinelle software should support the term "generic_ctype" from
the SmPL grammar so far, shouldn't it?
http://coccinelle.lip6.fr/docs/main_grammar005.html#ctype


>> * Splitting of the suggested SmPL rule so that each source code check
>> will be connected with appropriate warning messages.
> Personally I prefer one message as it is more compact

It might look convenient to combine a few source code checks.


> and fits quite well in both cases,

I got an other impression.


> but I have no strong fillings with separate message for each case.

* v@p < 0
  Find places where this condition will always be false.

*v@p >= 0
  Find places where this condition will always be true.


Will it help to distinguish these special cases also in your SmPL script
strictly?

Regards,
Markus

WARNING: multiple messages have this Message-ID (diff)
From: SF Markus Elfring <elfring@users.sourceforge.net>
To: Andrzej Hajda <a.hajda@samsung.com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
	Gilles Muller <Gilles.Muller@lip6.fr>,
	Joe Perches <joe@perches.com>,
	Nicolas Palix <nicolas.palix@imag.fr>,
	Michal Marek <mmarek@suse.com>,
	linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org,
	cocci@systeme.lip6.fr
Subject: Re: [PATCH v3] coccinelle: tests: unsigned value cannot be lesser than zero
Date: Mon, 21 Sep 2015 16:06:27 +0200	[thread overview]
Message-ID: <56000EE3.7040602@users.sourceforge.net> (raw)
In-Reply-To: <56000777.6060208@samsung.com>

>> * Reuse of "long int"?
> If you mean adding int to 'unsigned long [long]' types, it does not work.

I am surprised.


> For some reason it works only without adding int after long.

The  Coccinelle software should support the term "generic_ctype" from
the SmPL grammar so far, shouldn't it?
http://coccinelle.lip6.fr/docs/main_grammar005.html#ctype


>> * Splitting of the suggested SmPL rule so that each source code check
>> will be connected with appropriate warning messages.
> Personally I prefer one message as it is more compact

It might look convenient to combine a few source code checks.


> and fits quite well in both cases,

I got an other impression.


> but I have no strong fillings with separate message for each case.

* v@p < 0
  Find places where this condition will always be false.

*v@p >= 0
  Find places where this condition will always be true.


Will it help to distinguish these special cases also in your SmPL script
strictly?

Regards,
Markus

  reply	other threads:[~2015-09-21 14:06 UTC|newest]

Thread overview: 69+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-15  9:27 [Cocci] [PATCH] coccinelle: tests: unsigned value cannot be lesser than zero Andrzej Hajda
2015-09-15  9:27 ` Andrzej Hajda
2015-09-15 13:01 ` [Cocci] " SF Markus Elfring
2015-09-15 13:01   ` SF Markus Elfring
2015-09-15 13:01   ` SF Markus Elfring
2015-09-15 13:07   ` [Cocci] " Julia Lawall
2015-09-15 13:07     ` Julia Lawall
2015-09-15 13:07     ` Julia Lawall
2015-09-15 13:16     ` [Cocci] " SF Markus Elfring
2015-09-15 13:16       ` SF Markus Elfring
2015-09-15 13:16       ` SF Markus Elfring
2015-09-15 13:31       ` [Cocci] " Julia Lawall
2015-09-15 13:31         ` Julia Lawall
2015-09-15 13:31         ` Julia Lawall
2015-09-15 13:51         ` [Cocci] " Andrzej Hajda
2015-09-15 13:51           ` Andrzej Hajda
2015-09-15 13:51           ` Andrzej Hajda
2015-09-15 13:57           ` [Cocci] " Julia Lawall
2015-09-15 13:57             ` Julia Lawall
2015-09-15 13:57             ` Julia Lawall
2015-09-16  9:11             ` [Cocci] " Andrzej Hajda
2015-09-16  9:11               ` Andrzej Hajda
2015-09-16  9:11               ` Andrzej Hajda
2015-09-16  9:25               ` [Cocci] " Julia Lawall
2015-09-16  9:25                 ` Julia Lawall
2015-09-16  9:25                 ` Julia Lawall
2015-09-16 13:22                 ` [Cocci] [PATCH v2] " Andrzej Hajda
2015-09-16 13:22                   ` Andrzej Hajda
2015-09-16 13:33                   ` [Cocci] " Julia Lawall
2015-09-16 13:33                     ` Julia Lawall
2015-09-16 18:56                   ` [Cocci] " SF Markus Elfring
2015-09-16 18:56                     ` SF Markus Elfring
2015-09-16 18:56                     ` SF Markus Elfring
2015-09-15 13:42   ` [Cocci] [PATCH] " Andrzej Hajda
2015-09-15 13:42     ` Andrzej Hajda
2015-09-15 13:42     ` Andrzej Hajda
2015-09-15 14:36     ` [Cocci] " SF Markus Elfring
2015-09-15 14:36       ` SF Markus Elfring
2015-09-15 14:36       ` SF Markus Elfring
2015-09-15 14:43       ` [Cocci] " Julia Lawall
2015-09-15 14:43         ` Julia Lawall
2015-09-15 14:43         ` Julia Lawall
2015-09-15 14:53         ` SF Markus Elfring
2015-09-15 14:53           ` SF Markus Elfring
2015-09-15 14:53           ` SF Markus Elfring
2015-09-18  5:35     ` Julia Lawall
2015-09-18  5:35       ` Julia Lawall
2015-09-18  5:35       ` Julia Lawall
2015-09-21 10:37       ` [Cocci] [PATCH v3] " Andrzej Hajda
2015-09-21 10:37         ` Andrzej Hajda
2015-09-21 10:37         ` Andrzej Hajda
2015-09-21 13:02         ` [Cocci] " SF Markus Elfring
2015-09-21 13:02           ` SF Markus Elfring
2015-09-21 13:02           ` SF Markus Elfring
2015-09-21 13:34           ` [Cocci] " Andrzej Hajda
2015-09-21 13:34             ` Andrzej Hajda
2015-09-21 13:34             ` Andrzej Hajda
2015-09-21 14:06             ` SF Markus Elfring [this message]
2015-09-21 14:06               ` SF Markus Elfring
2015-09-21 14:06               ` SF Markus Elfring
2015-09-22 15:27             ` [Cocci] " SF Markus Elfring
2015-09-22 15:27               ` SF Markus Elfring
2015-09-22 15:27               ` SF Markus Elfring
2015-09-23  7:34               ` [Cocci] " Andrzej Hajda
2015-09-23  7:34                 ` Andrzej Hajda
2015-09-23  7:34                 ` Andrzej Hajda
2015-09-23 15:17                 ` [Cocci] " SF Markus Elfring
2015-09-23 15:17                   ` SF Markus Elfring
2015-09-23 15:17                   ` SF Markus Elfring

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