From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Fri, 3 Nov 2017 18:48:58 +0000 (+0000)
Subject: [Minor] Avoid NaN values
X-Git-Tag: 1.7.0~491
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=216ce8c991729625779732c77c5467d062fa36d6;p=thirdparty%2Frspamd.git

[Minor] Avoid NaN values
---

diff --git a/lualib/meta_functions.lua b/lualib/meta_functions.lua
index 1394204c15..1c6d2cc2bc 100644
--- a/lualib/meta_functions.lua
+++ b/lualib/meta_functions.lua
@@ -255,8 +255,14 @@ local function meta_words_function(task)
     short_words,
     ret_len,
   }
+
+  local divisor = 1.0
+  if #tp > 0 then
+    divisor = tp
+  end
+
   for _,wr in ipairs(wres) do
-    table.insert(ret, wr / #tp)
+    table.insert(ret, wr / divisor)
   end
 
   return ret