Re: [PATCH for-4.15 2/2] tools/xenstore: Check the format printf for xprintf() and barf{,_perror}()

[Ian Jackson <iwj@xxxxxxxxxxxxxx>]

Julien Grall writes ("Re: [PATCH for-4.15 2/2] tools/xenstore: Check the format 
printf for xprintf() and barf{,_perror}()"):
> Urgh, you are right. Actually, the extern was added recently by Anthony:
> 
> dacdbf7088d6a3705a9831e73991c2b14c519a65 ("tools/xenstore: mark variable 
> in header as extern")
> 
> I completely forgot it despite I needed to backport the patch to our 
> downstream Xen.

How horrible.

Maybe we could add a comment to the code, next to the declaration,
about this crazy situation.

Ian.