awful.util: table.join ignore nil arguments

Signed-off-by: koniu <gkusnierz@gmail.com> Signed-off-by: Julien Danjou <julien@danjou.info>
2009-04-18 22:22:15 +01:00 · 2009-04-18 22:22:15 +01:00 · 37071c5f6f
parent b9ca6b4961
commit 37071c5f6f
1 changed files with 7 additions and 5 deletions
--- a/lib/awful/util.lua.in
+++ b/lib/awful/util.lua.in
@ -224,11 +224,13 @@ end
 function table.join(...)
    local ret = {}
    for i = 1, arg.n do
-        for k, v in pairs(arg[i]) do
-            if type(k) == "number" then
-                rtable.insert(ret, v)
-            else
-                ret[k] = v
+        if arg[i] then
+            for k, v in pairs(arg[i]) do
+                if type(k) == "number" then
+                    rtable.insert(ret, v)
+                else
+                    ret[k] = v
+                end
            end
        end
    end