Re: [PATCH] selftests/ptp: Fix timestamp printf format for PTP_SYS_OFFSET

From: Richard Cochran
Date: Thu Jun 15 2023 - 15:30:53 EST


On Thu, Jun 15, 2023 at 09:34:04AM +0100, Alex Maftei wrote:
> Previously, timestamps were printed using "%lld.%u" which is incorrect
> for nanosecond values lower than 100,000,000 as they're fractional
> digits, therefore leading zeros are meaningful.
>
> This patch changes the format strings to "%lld.%09u" in order to add
> leading zeros to the nanosecond value.
>
> Fixes: 568ebc5985f5 ("ptp: add the PTP_SYS_OFFSET ioctl to the testptp program")
> Fixes: 4ec54f95736f ("ptp: Fix compiler warnings in the testptp utility")
> Fixes: 6ab0e475f1f3 ("Documentation: fix misc. warnings")
> Signed-off-by: Alex Maftei <alex.maftei@xxxxxxx>

Acked-by: Richard Cochran <richardcochran@xxxxxxxxx>