Merge 0.10->trunk

[prosody.git] / util / ip.lua

diff --git a/util/ip.lua b/util/ip.lua
index ec3b4d7e56ba4c8342d11e5af00a044d25fe418e..81a98ef7dcec640c429c356baa0f8f845fba0a5e 100644 (file)
--- a/util/ip.lua
+++ b/util/ip.lua
@@ -51,15 +51,15 @@ local function toBits(ip)
        if not ip:match(":$") then fields[#fields] = nil; end
        for i, field in ipairs(fields) do
                if field:len() == 0 and i ~= 1 and i ~= #fields then
-                       for i = 1, 16 * (9 - #fields) do
+                       for _ = 1, 16 * (9 - #fields) do
                                result = result .. "0";
                        end
                else
-                       for i = 1, 4 - field:len() do
+                       for _ = 1, 4 - field:len() do
                                result = result .. "0000";
                        end
-                       for i = 1, field:len() do
-                               result = result .. hex2bits[field:sub(i,i)];
+                       for j = 1, field:len() do
+                               result = result .. hex2bits[field:sub(j, j)];
                        end
                end
        end