1/*	$OpenBSD: difftime.c,v 1.12 2015/02/10 01:24:28 tedu Exp $ */
2/* This file is placed in the public domain by Matthew Dempsky. */
3
4#include "private.h"
5
6#define HI(t) ((double)(t & 0xffffffff00000000LL))
7#define LO(t) ((double)(t & 0x00000000ffffffffLL))
8
9double
10difftime(time_t t1, time_t t0)
11{
12	return (HI(t1) - HI(t0)) + (LO(t1) - LO(t0));
13}
14