[Cocci] question on parsing g_assert_cmpint() macro

Eric Blake eblake at redhat.com
Wed Apr 5 16:14:57 CEST 2017


On 04/05/2017 12:25 AM, Julia Lawall wrote:

>> What is the trick for teaching coccinelle about what g_assert_cmpint()
>> expands to, and/or completely ignoring the use of that macro, so that I
>> don't have to manually look for spots that the cleanup missed?
> 
> Try adding
> 
> #define g_assert_cmpint(x,y,z)
> 
> to the macro definition file standard.h.  Or you can make your own macro
> definition file for qemu and give it as an argument --macro-file file.h
> 
> Write back if that does not solve the problem.

Thanks. I didn't realize qemu already had a scripts/cocci-macro-file.h
designed just for this purpose, and it includes

#define g_assert_cmpint(a, op, b)   g_assert(a op b)

which indeed solves the problem.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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