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/*
* Copyright (c) 2005-2010 Thierry FOURNIER
* $Id: func_time.c 690 2008-03-31 18:36:43Z $
*
*/
#include <sys/time.h>
/* compare t1 to t2
* si t1 > t2 => 1
* si t1 = t2 => 0
* si t1 < t2 =>-1
*/
int time_comp(struct timeval *t1, struct timeval *t2){
if(t1->tv_sec == t2->tv_sec && t1->tv_usec == t2->tv_usec)
return 0;
else if((t1->tv_sec == t2->tv_sec && t1->tv_usec > t2->tv_usec) ||
(t1->tv_sec > t2->tv_sec))
return 1;
else
return -1;
}
void time_sous(struct timeval *t1, struct timeval *t2, struct timeval *res){
res->tv_sec = t1->tv_sec - t2->tv_sec;
res->tv_usec = t1->tv_usec - t2->tv_usec;
if(res->tv_usec < 0){
res->tv_sec -= 1;
res->tv_usec += 1000000;
}
}
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