assert (timespec);
if ((timespec[0].tv_nsec != UTIME_NOW
&& timespec[0].tv_nsec != UTIME_OMIT
- && (timespec[0].tv_nsec < 0 || 1000000000 <= timespec[0].tv_nsec))
+ && ! (0 <= timespec[0].tv_nsec
+ && timespec[0].tv_nsec < TIMESPEC_RESOLUTION))
|| (timespec[1].tv_nsec != UTIME_NOW
&& timespec[1].tv_nsec != UTIME_OMIT
- && (timespec[1].tv_nsec < 0 || 1000000000 <= timespec[1].tv_nsec)))
+ && ! (0 <= timespec[1].tv_nsec
+ && timespec[1].tv_nsec < TIMESPEC_RESOLUTION)))
{
errno = EINVAL;
return -1;