/* Copyright (c) [2023] [Syswonder Community]
 *   [Rukos] is licensed under Mulan PSL v2.
 *   You can use this software according to the terms and conditions of the Mulan PSL v2.
 *   You may obtain a copy of Mulan PSL v2 at:
 *               http://license.coscl.org.cn/MulanPSL2
 *   THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 *   See the Mulan PSL v2 for more details.
 */

//! Inspection and manipulation of the process’s environment.

#[cfg(feature = "fs")]
extern crate alloc;

#[cfg(feature = "fs")]
use {crate::io, alloc::string::String};

/// Returns the current working directory as a [`String`].
#[cfg(feature = "fs")]
pub fn current_dir() -> io::Result<String> {
    arceos_api::fs::ax_current_dir()
}

/// Changes the current working directory to the specified path.
#[cfg(feature = "fs")]
pub fn set_current_dir(path: &str) -> io::Result<()> {
    arceos_api::fs::ax_set_current_dir(path)
}