From 25a27252ec410fe2e18f6cab5645c9f277098396 Mon Sep 17 00:00:00 2001
From: tomsellers <tomsellers@e0a8ed71-7df4-0310-8962-fdc924857419>
Date: Fri, 4 Dec 2015 01:05:28 +0000
Subject: [PATCH] NSE: hnap-info minor code quality improvement

---
 scripts/hnap-info.nse | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/scripts/hnap-info.nse b/scripts/hnap-info.nse
index 02ae47c5a..6f752ec3e 100644
--- a/scripts/hnap-info.nse
+++ b/scripts/hnap-info.nse
@@ -105,11 +105,8 @@ function action (host, port)
     }
     parser:parseSAX(response.body, {stripWhitespace=true})
     
-    -- Counting size of entries in table to determine if it is empty
-    -- using the '#' operator is not reliable on tables
-    local count = 0
-    for _ in pairs(output) do count = count + 1 end
-    if count < 1 then return nil end
+    -- exit if the parser does not return output
+    if not next(output) then return nil end
     
     -- set the port verson
     port.version.name = "hnap"