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From: elfring@users.sourceforge.net (SF Markus Elfring)
To: cocci@systeme.lip6.fr
Subject: [Cocci] array index range checking
Date: Fri, 22 May 2015 07:47:44 +0200	[thread overview]
Message-ID: <555EC300.50503@users.sourceforge.net> (raw)
In-Reply-To: <CABBGRWtnRi0UmDeaemtx-=S8bznO2K-_8jjB_v9sEgHnQUN9QQ@mail.gmail.com>

> i tried this script
>
> @r@
> position p1;
> identifier  arr;
> constant i , var;
> type T;
> @@
>  T arr[var];

Does this SmPL approach work a bit as you expect?
Which details did not satisfy you so far?


> ... when != (i < var/ )

How do you think about to omit parentheses here?


> ...
> * arr[i]@p1

Would you like to reuse the data from the position variable anywhere?

How do you want to handle scopes for the involved array indexes?
http://en.cppreference.com/w/c/language/scope

Regards,
Markus

  reply	other threads:[~2015-05-22  5:47 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-21 10:19 [Cocci] array addressing range checking by coccinelle Zied Habtoul
2015-05-21 21:13 ` [Cocci] array index range checking SF Markus Elfring
2015-05-21 21:55   ` Zied Habtoul
2015-05-22  5:47     ` SF Markus Elfring [this message]
2015-05-22  8:59       ` Zied Habtoul
2015-05-22 10:05         ` SF Markus Elfring
2015-05-22 10:13           ` Zied Habtoul
2015-05-22 10:40             ` SF Markus Elfring
2015-05-22 11:11             ` Julia Lawall
2015-05-22 11:53               ` SF Markus Elfring

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