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/*!A cross-platform build utility based on Lua
*
* 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.
*
* Copyright (C) 2015-present, Xmake Open Source Community.
*
* @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_long_t xm_os_emptydir_walk(tb_char_t const *path, tb_file_info_t const *info, tb_cpointer_t priv) {
tb_bool_t *is_emptydir = (tb_bool_t *)priv;
tb_assert_and_check_return_val(path && info && is_emptydir, TB_DIRECTORY_WALK_CODE_END);
// is emptydir?
if (info->type == TB_FILE_TYPE_FILE || info->type == TB_FILE_TYPE_DIRECTORY) {
*is_emptydir = tb_false;
return tb_false;
}
return TB_DIRECTORY_WALK_CODE_CONTINUE;
}
/* //////////////////////////////////////////////////////////////////////////////////////
* implementation
*/
tb_int_t xm_os_emptydir(lua_State *lua) {
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);
// os.emptydir(dir)
tb_bool_t is_emptydir = tb_true;
tb_directory_walk(dir, tb_true, tb_true, xm_os_emptydir_walk, &is_emptydir);
// is emptydir?
lua_pushboolean(lua, is_emptydir);
return 1;
}
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