return make_pair(a.tv_sec, a.tv_usec) < make_pair(b.tv_sec, b.tv_usec);
}
-timeval subtract_timeval_saturate(const timeval &a, const timeval &b)
+timeval subtract_timeval_saturate(const timeval &b, const timeval &a)
{
timeval ret;
- if (less_than(a, b)) {
+ if (less_than(b, a)) {
ret.tv_sec = ret.tv_usec = 0;
return ret;
}