[PATCH] app/flow-perf: fix logic to add comma every three digits

[Rahul Lakkireddy]

On Friday, June 06/10/22, 2022 at 16:45:22 -0700, Stephen Hemminger wrote:
> On Sat, 11 Jun 2022 03:36:43 +0530
> Rahul Lakkireddy <rahul.lakkireddy at chelsio.com> wrote:
> 
> > Add comma after 1 in 1000 too, like 1,000. Also, since max uint64_t is
> > a 20 digit number, increase space in temporary array to hold 20 digits.
> > Fixes following warnings when using optimization=1 build flag with
> > GCC 11.
> > 
> > ../app/test-flow-perf/main.c: In function ‘pretty_number’:
> > ../app/test-flow-perf/main.c:1737:28: warning: ‘sprintf’ may write a terminating nul past the end of the destination [-Wformat-overflow=]
> >          sprintf(p[i++], "%d", (int)n);
> >                             ^
> > ../app/test-flow-perf/main.c:1737:9: note: ‘sprintf’ output between 2 and 5 bytes into a destination of size 4
> >          sprintf(p[i++], "%d", (int)n);
> >          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > 
> > Bugzilla ID: 1029
> > Fixes: 15c431864000 ("app/flow-perf: add packet forwarding support")
> > Cc: stable at dpdk.org
> > 
> > Reported-by: Daxue Gao <daxuex.gao at intel.com>
> > Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy at chelsio.com>
> 
> There was a better alternative proposed here:
> 
> https://patchwork.dpdk.org/project/dpdk/patch/20220518101657.1230416-12-david.marchand@redhat.com/

Thanks Stephen. I missed this earlier patch from David. My patch
can be dropped.

Thanks,
Rahul