biliget 0.6.8

简单的B站视频下载工具 支持免登录下载B站高清视频
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// This file part of the code is derived from [fast-down-cli] (https://github.com/fast-down/cli)
// The original project copyright is owned by its authors and is published under the MIT license.

use std::{io::ErrorKind, path::Path};
use tokio::io;

pub fn check_free_space(target_path: impl AsRef<Path>, size: u64) -> io::Result<Option<u64>> {
    let mut target_path = target_path.as_ref();
    while let Some(parent) = target_path.parent() {
        match fs4::available_space(parent) {
            Ok(free_space) => {
                return Ok(size.checked_sub(free_space));
            }
            Err(_) => target_path = parent,
        }
    }
    Err(io::Error::new(
        ErrorKind::NotFound,
        "No parent directory found",
    ))
}