Re: [ANNOUNCE] headercheck - check dependencies on header files

[Sam Ravnborg]

On Fri, Apr 10, 2009 at 08:58:20AM +0530, Jaswinder Singh Rajput wrote:
> Hello Sam,
> 
> On Thu, 2009-04-09 at 22:42 +0200, Sam Ravnborg wrote:
> > We have at several occasions discussed if our header files
> > should include their dependencies or not.
> > 
> > But we were lacking a tool to tell us if our header files
> > included the headerfiles they needed or not.
> > 
> > headercheck can be used to do so.
> > 
> > headercheck use the existing Kbuild files in
> > include/ to determine which directories to visit.
> > 
> > And for each directory it create one .c file for each
> > .h file and build it.
> > 
> > A .c file looks like this:
> > 
> > 	$cat module.h.c
> > 		#include <linux/module.h>
> > 
> 
> Is it possible to check that which header files are included in source
> file.
> 
> I mean how many header files are included for kernel/module.c and in
> which order and we can also check that same file is requested how many
> times, like:
> 
> 	linux/module.h (requested count, included or not)
> 	+linux/list.h
> 	++linux/stddef.h

Try to take a look at:
http://www.kernel.org/pub/linux/kernel/people/rayl/headergraphs/

and

http://www.kernel.org/pub/linux/kernel/people/acme/hviz

	Sam
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