From: Svetlana Shmidt <sshmidt@google.com>
Date: Wed, 29 Jul 2020 09:38:45 +0000 (+0500)
Subject: add checker in average function
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a8f8f29ceae8fe768e5740aa5d467b6c37fe33c4;p=thirdparty%2Fcollectd.git

add checker in average function
---

diff --git a/src/daemon/distribution.c b/src/daemon/distribution.c
index b7d90a139..b7309faeb 100644
--- a/src/daemon/distribution.c
+++ b/src/daemon/distribution.c
@@ -227,7 +227,9 @@ double distribution_percentile(distribution_t *dist, double percent) {
 }
 
 double distribution_average(distribution_t *dist) {
-  //TODO: checker
+  if (dist->tree[0].bucket_counter == 0) {
+    return NAN;
+  }
   return dist->total_sum / dist->tree[0].bucket_counter;
 }