Re: [PATCH] tools/perf/util/*.c: Use "%zd" output format for size_t type

[Xiao Yang]

On 2020/2/26 7:02, Joe Perches wrote:
> On Tue, 2020-02-25 at 14:39 +0800, Xiao Yang wrote:
> > Avoid the following errors when building perf:
> > -----------------------------------------------
> > util/session.c: In function 'perf_session__process_compressed_event':
> > util/session.c:91:11: error: format '%ld' expects argument of type 'long int', but argument 4 has type 'size_t {aka unsigned int}' [-Werror=format=]
> >    pr_debug("decomp (B): %ld to %ld\n", src_size, decomp_size);
> []
> > diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
> []
> > @@ -88,7 +88,7 @@ static int perf_session__process_compressed_event(struct perf_session *session,
> >   		session->decomp_last = decomp;
> >   	}
> >
> > -	pr_debug("decomp (B): %ld to %ld\n", src_size, decomp_size);
> > +	pr_debug("decomp (B): %zd to %zd\n", src_size, decomp_size);
> likely better as %zu, etc...
Hi,

Sorry,  %zu is obvious better.
I will send v2 patch shortly.

Thanks,
Xiao Yang
> .