Handle timers longer than 2147 seconds (2^31 microseconds).

src/iperf_api.c

@@ -681,20 +681,20 @@ iperf_init_test(struct iperf_test *test)
     if (test->settings->bytes == 0) {
 	test->done = 0;
 	cd.p = test;
-        test->timer = tmr_create(&now, test_timer_proc, cd, test->duration * SEC_TO_US, 0);
+        test->timer = tmr_create(&now, test_timer_proc, cd, (int64_t) test->duration * SEC_TO_US, 0);
         if (test->timer == NULL)
             return -1;
     } 
 
     if (test->stats_interval != 0) {
 	cd.p = test;
-        test->stats_timer = tmr_create(&now, stats_timer_proc, cd, test->stats_interval * SEC_TO_US, 1);
+        test->stats_timer = tmr_create(&now, stats_timer_proc, cd, (int64_t) test->stats_interval * SEC_TO_US, 1);
         if (test->stats_timer == NULL)
             return -1;
     }
     if (test->reporter_interval != 0) {
 	cd.p = test;
-        test->reporter_timer = tmr_create(&now, reporter_timer_proc, cd, test->reporter_interval * SEC_TO_US, 1);
+        test->reporter_timer = tmr_create(&now, reporter_timer_proc, cd, (int64_t) test->reporter_interval * SEC_TO_US, 1);
         if (test->reporter_timer == NULL)
             return -1;
     }

src/timer.c

@@ -159,12 +159,12 @@ tmr_timeout( struct timeval* nowP )
     /* Since the list is sorted, we only need to look at the first timer. */
     if ( timers == NULL )
 	return NULL;
-    usecs = ( timers->time.tv_sec - now.tv_sec ) * 1000000L +
+    usecs = ( timers->time.tv_sec - now.tv_sec ) * 1000000LL +
 	    ( timers->time.tv_usec - now.tv_usec );
     if ( usecs <= 0 )
 	usecs = 0;
-    timeout.tv_sec = usecs / 1000000L;
-    timeout.tv_usec = usecs % 1000000L;
+    timeout.tv_sec = usecs / 1000000LL;
+    timeout.tv_usec = usecs % 1000000LL;
     return &timeout;
 }