Make sure the clock never runs backwards.

* process.c, rootdir.c: When converting timeval structures
  into seconds or jiffies, make sure that floating point rounding errors
  don't make the clock the result jump backwards on second boundaries.

1 files changed, 2 insertions, 2 deletions

diff --git a/process.c b/process.c
index 1f9d5781..68e7bc1d 100644
--- a/process.c
+++ b/process.c
@@ -58,8 +58,8 @@ static const char *state_string (struct proc_stat *ps)
 
 static long long int timeval_jiffies (time_value_t tv)
 {
-  double secs = tv.seconds + tv.microseconds / 1000000.;
-  return secs * opt_clk_tck;
+  double secs = tv.seconds * 1000000. + tv.microseconds;
+  return secs * opt_clk_tck / 1000000.;
 }
 
 /* Actual content generators */