From c2551e9d9f9bd947bff79b0cf80e50fcee8f7fb4 Mon Sep 17 00:00:00 2001
From: Florian Forster <octo@huhu.verplant.org>
Date: Sun, 24 Feb 2008 15:40:30 +0100
Subject: [PATCH] src/utils_tail_match.c: Submit NAN if type if gauge and no
 values were matched.

---
 src/utils_tail_match.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/utils_tail_match.c b/src/utils_tail_match.c
index 06412b9e..34fe2dce 100644
--- a/src/utils_tail_match.c
+++ b/src/utils_tail_match.c
@@ -72,7 +72,11 @@ static int simple_submit_match (cu_match_t *match, void *user_data)
   if (match_value == NULL)
     return (-1);
 
-  values[0] = match_value->value;
+  if ((match_value->ds_type & UTILS_MATCH_DS_TYPE_GAUGE)
+      && (match_value->values_num == 0))
+    values[0].gauge = NAN;
+  else
+    values[0] = match_value->value;
 
   vl.values = values;
   vl.values_len = 1;
-- 
2.30.2