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/*!The Make-like Build Utility based on Lua
*
* XMake is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* XMake is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with XMake;
* If not, see <a href="http://www.gnu.org/licenses/"> http://www.gnu.org/licenses/</a>
*
* Copyright (C) 2015 - 2016, ruki All rights reserved.
*
* @author ruki
* @file emptydir.c
*
*/
/* //////////////////////////////////////////////////////////////////////////////////////
* trace
*/
#define TB_TRACE_MODULE_NAME "emptydir"
#define TB_TRACE_MODULE_DEBUG (0)
/* //////////////////////////////////////////////////////////////////////////////////////
* includes
*/
#include "prefix.h"
/* //////////////////////////////////////////////////////////////////////////////////////
* private implementation
*/
static tb_bool_t xm_os_emptydir_walk(tb_char_t const* path, tb_file_info_t const* info, tb_cpointer_t priv)
{
// check
tb_bool_t* is_emptydir = (tb_bool_t*)priv;
tb_assert_and_check_return_val(path && info && is_emptydir, tb_false);
// is emptydir?
if (info->type == TB_FILE_TYPE_DIRECTORY || info->type == TB_FILE_TYPE_FILE)
{
// not emptydir
*is_emptydir = tb_false;
// break
return tb_false;
}
// continue
return tb_true;
}
/* //////////////////////////////////////////////////////////////////////////////////////
* implementation
*/
tb_int_t xm_os_emptydir(lua_State* lua)
{
// check
tb_assert_and_check_return_val(lua, 0);
// get the directory
tb_char_t const* dir = luaL_checkstring(lua, 1);
tb_check_return_val(dir, 0);
// done os.emptydir(dir)
tb_bool_t is_emptydir = tb_true;
tb_directory_walk(dir, tb_false, tb_true, xm_os_emptydir_walk, &is_emptydir);
// is emptydir?
lua_pushboolean(lua, is_emptydir);
// ok
return 1;
}
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