Use always 64bit integers when calculating time difference

diff --git a/membench.c b/membench.c
index b73bdefeb03e449b782e020f52be5cfcedb40745..aae48425eb812ce24cabe4d3b46dd0a57c282e46 100644 (file)
--- a/membench.c
+++ b/membench.c
@@ -4,9 +4,9 @@
 
 #define lsize sizeof(unsigned long)
 
 
 #define lsize sizeof(unsigned long)
 

-long usec_diff(const struct timeval *a, const struct timeval *b)
+long long usec_diff(const struct timeval *a, const struct timeval *b)

 {
 {

-       long usec_a, usec_b;
+       long long usec_a, usec_b;

        usec_a = a->tv_sec * 1000000 + a->tv_usec;
        usec_b = b->tv_sec * 1000000 + b->tv_usec;
        return usec_b - usec_a;
        usec_a = a->tv_sec * 1000000 + a->tv_usec;
        usec_b = b->tv_sec * 1000000 + b->tv_usec;
        return usec_b - usec_a;