X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Futils_latency.c;h=7699f570721aa747240869f54a53a7144d081598;hb=cadc1d5581d3024f4c5ebb940cd49a0dec45c9d4;hp=4a250c33a4143730f1609da50af3ac428855c79a;hpb=9c7fee6fa1c83bd76b39d16fe5376cfb6ef192e4;p=collectd.git

diff --git a/src/utils_latency.c b/src/utils_latency.c
index 4a250c33..7699f570 100644
--- a/src/utils_latency.c
+++ b/src/utils_latency.c
@@ -117,11 +117,18 @@ cdtime_t latency_counter_get_sum (latency_counter_t *lc) /* {{{ */
   return (lc->sum);
 } /* }}} cdtime_t latency_counter_get_sum */
 
+size_t latency_counter_get_num (latency_counter_t *lc) /* {{{ */
+{
+  if (lc == NULL)
+    return (0);
+  return (lc->num);
+} /* }}} size_t latency_counter_get_num */
+
 cdtime_t latency_counter_get_average (latency_counter_t *lc) /* {{{ */
 {
   double average;
 
-  if (lc == NULL)
+  if ((lc == NULL) || (lc->num == 0))
     return (0);
 
   average = CDTIME_T_TO_DOUBLE (lc->sum) / ((double) lc->num);
@@ -139,7 +146,7 @@ cdtime_t latency_counter_get_percentile (latency_counter_t *lc,
   int sum;
   size_t i;
 
-  if ((lc == NULL) || !((percent > 0.0) && (percent < 100.0)))
+  if ((lc == NULL) || (lc->num == 0) || !((percent > 0.0) && (percent < 100.0)))
     return (0);
 
   /* Find index i so that at least "percent" events are within i+1 ms. */