[Cocci] prinkt specifiers

Tobin C. Harding me at tobin.cc
Thu Oct 12 04:11:09 CEST 2017


On Wed, Oct 11, 2017 at 07:27:43AM +0200, Julia Lawall wrote:
> 
> 
> 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

Thanks Julia


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