time: use correct size type for usecs

[fio.git] / time.c

diff --git a/time.c b/time.c
index f5dc04969f3d47020fb4f61fa3ddf5dcfcdf0e09..279ee48492302ebd5a1080e5422cc48ecd6b7a59 100644 (file)
--- a/time.c
+++ b/time.c
@@ -8,8 +8,16 @@ static unsigned long ns_granularity;
 
 void timeval_add_msec(struct timeval *tv, unsigned int msec)
 {
-       tv->tv_usec += 1000 * msec;
-       if (tv->tv_usec >= 1000000) {
+       unsigned long adj_usec = 1000 * msec;
+
+       tv->tv_usec += adj_usec;
+       if (adj_usec >= 1000000) {
+               unsigned long adj_sec = adj_usec / 1000000;
+
+               tv->tv_usec -=  adj_sec * 1000000;
+               tv->tv_sec += adj_sec;
+       }
+       if (tv->tv_usec >= 1000000){
                tv->tv_usec -= 1000000;
                tv->tv_sec++;
        }