fs4 0.6.6

No libc, pure Rust cross-platform file locks. Original fs2, now supports async and replace libc by rustix.
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<div align="center">
<h1>fs4</h1>
</div>
<div align="center">

Extended utilities for working with files and filesystems in Rust.

This is a fork of the [fs2-rs](https://github.com/danburkert/fs2-rs) crate, the aim for this fork is to support `async` and replace `libc` by `rustix`.

[<img alt="github" src="https://img.shields.io/badge/GITHUB-fs4-8da0cb?style=for-the-badge&logo=Github" height="22">][Github-url]
[<img alt="Build" src="https://img.shields.io/github/workflow/status/al8n/fs4-rs/CI/master?logo=Github-Actions&style=for-the-badge" height="22">][CI-url]
[<img alt="codecov" src="https://img.shields.io/codecov/c/gh/al8n/fs4-rs?style=for-the-badge&token=P0YeuKXJyp&logo=codecov" height="22">][codecov-url]

[<img alt="docs.rs" src="https://img.shields.io/badge/docs.rs-fs4-66c2a5?style=for-the-badge&labelColor=555555&logo=data:image/svg+xml;base64,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" height="20">][doc-url]
[<img alt="crates.io" src="https://img.shields.io/crates/v/fs4?style=for-the-badge&logo=data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iaXNvLTg4NTktMSI/Pg0KPCEtLSBHZW5lcmF0b3I6IEFkb2JlIElsbHVzdHJhdG9yIDE5LjAuMCwgU1ZHIEV4cG9ydCBQbHVnLUluIC4gU1ZHIFZlcnNpb246IDYuMDAgQnVpbGQgMCkgIC0tPg0KPHN2ZyB2ZXJzaW9uPSIxLjEiIGlkPSJMYXllcl8xIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHhtbG5zOnhsaW5rPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rIiB4PSIwcHgiIHk9IjBweCINCgkgdmlld0JveD0iMCAwIDUxMiA1MTIiIHhtbDpzcGFjZT0icHJlc2VydmUiPg0KPGc+DQoJPGc+DQoJCTxwYXRoIGQ9Ik0yNTYsMEwzMS41MjgsMTEyLjIzNnYyODcuNTI4TDI1Niw1MTJsMjI0LjQ3Mi0xMTIuMjM2VjExMi4yMzZMMjU2LDB6IE0yMzQuMjc3LDQ1Mi41NjRMNzQuOTc0LDM3Mi45MTNWMTYwLjgxDQoJCQlsMTU5LjMwMyw3OS42NTFWNDUyLjU2NHogTTEwMS44MjYsMTI1LjY2MkwyNTYsNDguNTc2bDE1NC4xNzQsNzcuMDg3TDI1NiwyMDIuNzQ5TDEwMS44MjYsMTI1LjY2MnogTTQzNy4wMjYsMzcyLjkxMw0KCQkJbC0xNTkuMzAzLDc5LjY1MVYyNDAuNDYxbDE1OS4zMDMtNzkuNjUxVjM3Mi45MTN6IiBmaWxsPSIjRkZGIi8+DQoJPC9nPg0KPC9nPg0KPGc+DQo8L2c+DQo8Zz4NCjwvZz4NCjxnPg0KPC9nPg0KPGc+DQo8L2c+DQo8Zz4NCjwvZz4NCjxnPg0KPC9nPg0KPGc+DQo8L2c+DQo8Zz4NCjwvZz4NCjxnPg0KPC9nPg0KPGc+DQo8L2c+DQo8Zz4NCjwvZz4NCjxnPg0KPC9nPg0KPGc+DQo8L2c+DQo8Zz4NCjwvZz4NCjxnPg0KPC9nPg0KPC9zdmc+DQo=" height="22">][crates-url]
[<img alt="crates.io" src="https://img.shields.io/crates/d/fs4?color=critical&logo=data:image/svg+xml;base64,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&style=for-the-badge" height="22">][crates-url]

[<img alt="license-apache" src="https://img.shields.io/badge/License-Apache%202.0-blue.svg?style=for-the-badge&logo=Apache" height="22">][license-apache-url]
[<img alt="license-mit" src="https://img.shields.io/badge/License-MIT-yellow.svg?style=for-the-badge&fontColor=white&logoColor=f5c076&logo=data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIGhlaWdodD0iMzZweCIgdmlld0JveD0iMCAwIDI0IDI0IiB3aWR0aD0iMzZweCIgZmlsbD0iI2Y1YzA3NiI+PHBhdGggZD0iTTAgMGgyNHYyNEgwVjB6IiBmaWxsPSJub25lIi8+PHBhdGggZD0iTTEwLjA4IDEwLjg2Yy4wNS0uMzMuMTYtLjYyLjMtLjg3cy4zNC0uNDYuNTktLjYyYy4yNC0uMTUuNTQtLjIyLjkxLS4yMy4yMy4wMS40NC4wNS42My4xMy4yLjA5LjM4LjIxLjUyLjM2cy4yNS4zMy4zNC41My4xMy40Mi4xNC42NGgxLjc5Yy0uMDItLjQ3LS4xMS0uOS0uMjgtMS4yOXMtLjQtLjczLS43LTEuMDEtLjY2LS41LTEuMDgtLjY2LS44OC0uMjMtMS4zOS0uMjNjLS42NSAwLTEuMjIuMTEtMS43LjM0cy0uODguNTMtMS4yLjkyLS41Ni44NC0uNzEgMS4zNlM4IDExLjI5IDggMTEuODd2LjI3YzAgLjU4LjA4IDEuMTIuMjMgMS42NHMuMzkuOTcuNzEgMS4zNS43Mi42OSAxLjIuOTFjLjQ4LjIyIDEuMDUuMzQgMS43LjM0LjQ3IDAgLjkxLS4wOCAxLjMyLS4yM3MuNzctLjM2IDEuMDgtLjYzLjU2LS41OC43NC0uOTQuMjktLjc0LjMtMS4xNWgtMS43OWMtLjAxLjIxLS4wNi40LS4xNS41OHMtLjIxLjMzLS4zNi40Ni0uMzIuMjMtLjUyLjNjLS4xOS4wNy0uMzkuMDktLjYuMS0uMzYtLjAxLS42Ni0uMDgtLjg5LS4yMy0uMjUtLjE2LS40NS0uMzctLjU5LS42MnMtLjI1LS41NS0uMy0uODgtLjA4LS42Ny0uMDgtMXYtLjI3YzAtLjM1LjAzLS42OC4wOC0xLjAxek0xMiAyQzYuNDggMiAyIDYuNDggMiAxMnM0LjQ4IDEwIDEwIDEwIDEwLTQuNDggMTAtMTBTMTcuNTIgMiAxMiAyem0wIDE4Yy00LjQxIDAtOC0zLjU5LTgtOHMzLjU5LTggOC04IDggMy41OSA4IDgtMy41OSA4LTggOHoiLz48L3N2Zz4=" height="22">][license-mit-url]

</div>

## Installation
- std 
    ```toml
    [dependencies]
    fs4 = { version = "0.6", features = ["sync"] }
    ```
  
- [tokio runtime](https://crates.io/crates/tokio)
    ```toml
    [dependencies]
    fs4 = { version = "0.6", features = ["tokio-async"] }
    ```

- [async-std runtime](https://crates.io/crates/async-std)
    ```toml
    [dependencies]
    fs4 = { version = "0.6", features = ["std-async"] }
    ```

- [smol runtime](https://crates.io/crates/smol)
    ```toml
    [dependencies]
    fs4 = { version = "0.6", features = ["smol-async"] }
    ```

## Features

- [x] file locks.
- [x] file (pre)allocation.
- [x] file allocation information.
- [x] filesystem space usage information.
- [x] [tokio support](https://crates.io/crates/tokio)
- [x] [smol support](https://crates.io/crates/smol)
- [x] [async-std support](https://crates.io/crates/async-std)

## License

`fs4` is primarily distributed under the terms of both the MIT license and the
Apache License (Version 2.0).

See [LICENSE-APACHE](LICENSE-APACHE), [LICENSE-MIT](LICENSE-MIT) for details.

Copyright (c) 2021 Al Liu.

Copyright (c) 2015 Dan Burkert.


[Github-url]: https://github.com/al8n/fs4-rs/
[CI-url]: https://github.com/al8n/fs4-rs/actions/workflows/ci.yml
[doc-url]: https://docs.rs/fs4
[crates-url]: https://crates.io/crates/fs4
[codecov-url]: https://app.codecov.io/gh/al8n/fs4-rs/
[license-url]: https://opensource.org/licenses/Apache-2.0
[rustc-url]: https://github.com/rust-lang/rust/blob/master/RELEASES.md
[license-apache-url]: https://opensource.org/licenses/Apache-2.0
[license-mit-url]: https://opensource.org/licenses/MIT