netdev - Re: [PATCH net-next 2/2] ptp: Fix compiler warnings in the testptp utility

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Message-ID: <1396993385.2376.8.camel@jekeller-desk1.amr.corp.intel.com>
Date:	Tue, 8 Apr 2014 21:43:05 +0000
From:	"Keller, Jacob E" <jacob.e.keller@...el.com>
To:	Richard Cochran <richardcochran@...il.com>
CC:	Christian Riesch <christian.riesch@...cron.at>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Dong Zhu <bluezhudong@...il.com>
Subject: Re: [PATCH net-next 2/2] ptp: Fix compiler warnings in the testptp
 utility

On Tue, 2014-03-25 at 12:45 +0100, Richard Cochran wrote:
> On Tue, Mar 25, 2014 at 12:24:06PM +0100, Christian Riesch wrote:
> > Signed-off-by: Christian Riesch <christian.riesch@...cron.at>
> > Cc: Dong Zhu <bluezhudong@...il.com>
> > ---
> >  Documentation/ptp/testptp.c |   10 +++++-----
> >  1 file changed, 5 insertions(+), 5 deletions(-)
> > 
> > diff --git a/Documentation/ptp/testptp.c b/Documentation/ptp/testptp.c
> > index 13bddd5..14bf19e 100644
> > --- a/Documentation/ptp/testptp.c
> > +++ b/Documentation/ptp/testptp.c
> > @@ -496,14 +496,14 @@ int main(int argc, char *argv[])
> >  			interval = t2 - t1;
> >  			offset = (t2 + t1) / 2 - tp;
> >  
> > -			printf("system time: %ld.%ld\n",
> > +			printf("system time: %lld.%u\n",
> >  				(pct+2*i)->sec, (pct+2*i)->nsec);
> > -			printf("phc    time: %ld.%ld\n",
> > +			printf("phc    time: %lld.%u\n",
> >  				(pct+2*i+1)->sec, (pct+2*i+1)->nsec);
> > -			printf("system time: %ld.%ld\n",
> > +			printf("system time: %lld.%u\n",
> >  				(pct+2*i+2)->sec, (pct+2*i+2)->nsec);
> > -			printf("system/phc clock time offset is %ld ns\n"
> > -				"system     clock time delay  is %ld ns\n",
> 
> Use PRId64 instead?
> 
> Thanks,
> Richard
> 

I agree with this. %lld is not going to resolve the error properly on a
32 bit machine. Looks like a follow-on patch would have to be generated,
since Dave applied this already.

Thanks,
Jake

> > +			printf("system/phc clock time offset is %lld ns\n"
> > +				"system     clock time delay  is %lld ns\n",
> >  				offset, interval);
> >  		}
> >  
> > -- 
> > 1.7.9.5
> > 
> --
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