text: /*!A cross-platform build utility based on Lua
   *
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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.
   * 
   * Copyright (C) 2015 - 2019, TBOOX Open Source Group.
   *
   * @author      ruki
   * @file        chdir.c
   *
   */
  
  /* //////////////////////////////////////////////////////////////////////////////////////
   * trace
   */
  #define TB_TRACE_MODULE_NAME                "chdir"
  #define TB_TRACE_MODULE_DEBUG               (0)
  
  /* //////////////////////////////////////////////////////////////////////////////////////
   * includes
   */
  #include "prefix.h"
  
  /* //////////////////////////////////////////////////////////////////////////////////////
   * implementation
   */
  tb_int_t xm_os_chdir(lua_State* lua)
  {
      // check
      tb_assert_and_check_return_val(lua, 0);
  
      // get the path 
      tb_char_t const* path = luaL_checkstring(lua, 1);
      tb_check_return_val(path, 0);
  
      // done os.chdir(path) 
      lua_pushboolean(lua, tb_directory_current_set(path));
  
      // ok
      return 1;
  }
  