chrony: fix conversion of very small floating-poing values

[collectd.git] / src / chrony.c

diff --git a/src/chrony.c b/src/chrony.c
index 11310b1..6cf2914 100644 (file)
--- a/src/chrony.c
+++ b/src/chrony.c
@@ -584,9 +584,10 @@ static double ntohf(tFloat p_float) {
   uint32_t uval;
 
   uval = ntohl(p_float.value);
-  exp = (uval >> FLOAT_COEF_BITS) - FLOAT_COEF_BITS;
+  exp = (uval >> FLOAT_COEF_BITS);
   if (exp >= 1 << (FLOAT_EXP_BITS - 1))
     exp -= 1 << FLOAT_EXP_BITS;
+  exp -= FLOAT_COEF_BITS;
 
   /* coef = (x << FLOAT_EXP_BITS) >> FLOAT_EXP_BITS; */
   coef = uval % (1U << FLOAT_COEF_BITS);
@@ -881,7 +882,7 @@ static int chrony_request_source_data(int p_src_idx, int *p_is_reachable) {
   chrony_push_data_valid("clock_reachability", src_addr, is_reachable,
                          ntohs(chrony_resp.body.source_data.f_reachability));
   chrony_push_data_valid("clock_last_meas", src_addr, is_reachable,
-                         ntohs(chrony_resp.body.source_data.f_since_sample));
+                         ntohl(chrony_resp.body.source_data.f_since_sample));
 
   return CHRONY_RC_OK;
 }