---[[
-
- Copyright 2016 ZTE Corporation.
-
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
-
- Author: Zhaoxing Meng
- email: meng.zhaoxing1@zte.com.cn
-
-]]
-local auth_plugin = require('plugins.auth')
-local msbconf = require('msbconf')
-if(msbconf.auth_plugin_status == "on") then
- auth_plugin.access()
-end
\ No newline at end of file
+--[[\r
+\r
+ Copyright (C) 2016 ZTE, Inc. and others. All rights reserved. (ZTE)\r
+\r
+ Licensed under the Apache License, Version 2.0 (the "License");\r
+ you may not use this file except in compliance with the License.\r
+ You may obtain a copy of the License at\r
+\r
+ http://www.apache.org/licenses/LICENSE-2.0\r
+\r
+ Unless required by applicable law or agreed to in writing, software\r
+ distributed under the License is distributed on an "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+ See the License for the specific language governing permissions and\r
+ limitations under the License.\r
+\r
+--]]\r
+\r
+local _M = {}\r
+_M._VERSION = '1.0.0'\r
+\r
+function _M.mark_empty_as_nil(t)\r
+ if t == "" then\r
+ return nil\r
+ else\r
+ return t\r
+ end\r
+end\r
+\r
+return _M
\ No newline at end of file