Re: [kvm-unit-tests PATCH] lib: use %zu conversion for sizeof to fix i386 build

["Radim Krčmář" <rkrcmar@redhat.com>]

2017-05-12 17:15+0200, Radim Krčmář:
> Fixes this GCC error:
> 
> In file included from lib/report.c:13:0:
> lib/libcflat.h:134:10: error: format ‘%lu’ expects argument of type ‘long unsigned int’, but argument 6 has type ‘unsigned int’ [-Werror=format=]
>    printf("%s:%d: assert failed: %s: " fmt "\n",  \
>           ^
> lib/report.c:53:2: note: in expansion of macro ‘assert_msg’
>   assert_msg(len < sizeof(prefixes), "%d >= %lu", len, sizeof(prefixes));
>   ^~~~~~~~~~
> lib/report.c:53:46: note: format string is defined here
>   assert_msg(len < sizeof(prefixes), "%d >= %lu", len, sizeof(prefixes));
>                                             ~~^
>                                             %u
> 
> Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
> ---

Ugh, and I didn't test it ... libcflat doesn't support %z.
Casting the sizeof result to unsigned would work, but I don't like it
one bit.  Is there a convention in naming the conversion?  (like PRI...)

Thanks.