*.lua: handle recv() returning nil

share/lua/intf/cli.lua

@@ -787,7 +787,7 @@ while not vlc.misc.should_die() do
     for _, client in pairs(read) do
         local input = client:recv(1000)
 
-        if input == nil or input == "" -- the telnet client program has left
+        if input == nil -- the telnet client program has left
             or ((client.type == host.client_type.net
                  or client.type == host.client_type.telnet)
                 and input == "\004") then

share/lua/intf/modules/host.lua

@@ -52,6 +52,7 @@ Example use:
         -- handle clients in read mode
         for _, client in pairs(read) do
             local str = client:recv(1000)
+            if not str then break end
             str = string.gsub(str,"\r?\n$","")
             client.buffer = "Got `"..str.."'.\r\n"
             client:switch_status( host.status.write )