sgx_tstd/src/sys_common/fs.rs

// Copyright (C) 2017-2019 Baidu, Inc. All Rights Reserved.
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#![allow(dead_code)]
#[cfg(feature = "untrusted_fs")]
use crate::fs;
#[cfg(not(feature = "untrusted_fs"))]
use crate::untrusted::fs;
use crate::io::{self, Error, ErrorKind};
use crate::path::Path;

pub fn remove_dir_all(path: &Path) -> io::Result<()> {
    let filetype = fs::symlink_metadata(path)?.file_type();
    if filetype.is_symlink() {
        fs::remove_file(path)
    } else {
        remove_dir_all_recursive(path)
    }
}

fn remove_dir_all_recursive(path: &Path) -> io::Result<()> {
    for child in fs::read_dir(path)? {
        let child = child?;
        if child.file_type()?.is_dir() {
            remove_dir_all_recursive(&child.path())?;
        } else {
            fs::remove_file(&child.path())?;
        }
    }
    fs::remove_dir(path)
}