[Cocci] prinkt specifiers

Julia Lawall julia.lawall at lip6.fr
Wed Oct 11 07:27:43 CEST 2017



On Wed, 11 Oct 2017, Tobin C. Harding wrote:

> Hi,
>
> Is it possible to craft a coccinelle script to find and replace calls (in the kernel) that are
> printing pointers using %x.
>
> Perhaps we could easily catch the calls that are casting the pointer within argument list, for example
>
> 	pr_info("x: %llx\n", (unsigned long long int)ptr);
>
> I'm happy to try and work out how to do it, just chasing a 'yes that is exactly the type of thing
> cocci is good at' or a 'no, you are dreaming, perhaps <this tool> can do that'

It's possible.  Look at coccinelle/demos/format.cocci

This may not be the most well tested part of Coccinelle, so if it is not
doing what you expect, please feel free to complain.

julia


More information about the Cocci mailing list