From 57a17415b74dc808ebd29f45236bb96073239a47 Mon Sep 17 00:00:00 2001
From: nnposter <nnposter@e0a8ed71-7df4-0310-8962-fdc924857419>
Date: Sat, 18 Aug 2018 01:00:16 +0000
Subject: [PATCH] more efficient match, avoiding strings

---
 scripts/asn-query.nse | 2 +-
 scripts/whois-ip.nse  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/asn-query.nse b/scripts/asn-query.nse
index db6fd6d8c..fb4392f16 100644
--- a/scripts/asn-query.nse
+++ b/scripts/asn-query.nse
@@ -370,7 +370,7 @@ function get_prefix_length( range )
   last = ipOps.ip_to_bin(last)
 
   for pos = 1, #first do
-    if first:sub(pos, pos) ~= last:sub(pos, pos) then
+    if first:byte(pos) ~= last:byte(pos) then
       return pos - 1
     end
   end
diff --git a/scripts/whois-ip.nse b/scripts/whois-ip.nse
index edf12bc83..8e236e371 100644
--- a/scripts/whois-ip.nse
+++ b/scripts/whois-ip.nse
@@ -438,7 +438,7 @@ function get_prefix_length( range )
   last = ipOps.ip_to_bin(last)
 
   for pos = 1, #first do
-    if first:sub(pos, pos) ~= last:sub(pos, pos) then
+    if first:byte(pos) ~= last:byte(pos) then
       return pos - 1
     end
   end