更新libclamav库1.0.0版本
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# libc - Raw FFI bindings to platforms' system libraries
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[![GHA Status]][GitHub Actions] [![Cirrus CI Status]][Cirrus CI] [![Latest Version]][crates.io] [![Documentation]][docs.rs] ![License]
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`libc` provides all of the definitions necessary to easily interoperate with C
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code (or "C-like" code) on each of the platforms that Rust supports. This
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includes type definitions (e.g. `c_int`), constants (e.g. `EINVAL`) as well as
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function headers (e.g. `malloc`).
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This crate exports all underlying platform types, functions, and constants under
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the crate root, so all items are accessible as `libc::foo`. The types and values
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of all the exported APIs match the platform that libc is compiled for.
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More detailed information about the design of this library can be found in its
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[associated RFC][rfc].
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[rfc]: https://github.com/rust-lang/rfcs/blob/master/text/1291-promote-libc.md
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## Usage
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Add the following to your `Cargo.toml`:
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```toml
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[dependencies]
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libc = "0.2"
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```
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## Features
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* `std`: by default `libc` links to the standard library. Disable this
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feature to remove this dependency and be able to use `libc` in `#![no_std]`
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crates.
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* `extra_traits`: all `struct`s implemented in `libc` are `Copy` and `Clone`.
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This feature derives `Debug`, `Eq`, `Hash`, and `PartialEq`.
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* `const-extern-fn`: Changes some `extern fn`s into `const extern fn`s.
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If you use Rust >= 1.62, this feature is implicitly enabled.
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Otherwise it requires a nightly rustc.
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* **deprecated**: `use_std` is deprecated, and is equivalent to `std`.
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## Rust version support
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The minimum supported Rust toolchain version is currently **Rust 1.13.0**.
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(libc does not currently have any policy regarding changes to the minimum
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supported Rust version; such policy is a work in progress.) APIs requiring
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newer Rust features are only available on newer Rust toolchains:
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| Feature | Version |
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|----------------------|---------|
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| `union` | 1.19.0 |
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| `const mem::size_of` | 1.24.0 |
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| `repr(align)` | 1.25.0 |
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| `extra_traits` | 1.25.0 |
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| `core::ffi::c_void` | 1.30.0 |
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| `repr(packed(N))` | 1.33.0 |
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| `cfg(target_vendor)` | 1.33.0 |
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| `const-extern-fn` | 1.62.0 |
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## Platform support
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[Platform-specific documentation (master branch)][docs.master].
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See
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[`ci/build.sh`](https://github.com/rust-lang/libc/blob/master/ci/build.sh)
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for the platforms on which `libc` is guaranteed to build for each Rust
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toolchain. The test-matrix at [GitHub Actions] and [Cirrus CI] show the
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platforms in which `libc` tests are run.
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<div class="platform_docs"></div>
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## License
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This project is licensed under either of
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* [Apache License, Version 2.0](https://www.apache.org/licenses/LICENSE-2.0)
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([LICENSE-APACHE](https://github.com/rust-lang/libc/blob/master/LICENSE-APACHE))
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* [MIT License](https://opensource.org/licenses/MIT)
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([LICENSE-MIT](https://github.com/rust-lang/libc/blob/master/LICENSE-MIT))
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at your option.
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## Contributing
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We welcome all people who want to contribute. Please see the [contributing
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instructions] for more information.
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[contributing instructions]: https://github.com/rust-lang/libc/blob/master/CONTRIBUTING.md
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Contributions in any form (issues, pull requests, etc.) to this project
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must adhere to Rust's [Code of Conduct].
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[Code of Conduct]: https://www.rust-lang.org/policies/code-of-conduct
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Unless you explicitly state otherwise, any contribution intentionally submitted
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for inclusion in `libc` by you, as defined in the Apache-2.0 license, shall be
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dual licensed as above, without any additional terms or conditions.
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[GitHub Actions]: https://github.com/rust-lang/libc/actions
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[GHA Status]: https://github.com/rust-lang/libc/workflows/CI/badge.svg
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[Cirrus CI]: https://cirrus-ci.com/github/rust-lang/libc
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[Cirrus CI Status]: https://api.cirrus-ci.com/github/rust-lang/libc.svg
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[crates.io]: https://crates.io/crates/libc
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[Latest Version]: https://img.shields.io/crates/v/libc.svg
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[Documentation]: https://docs.rs/libc/badge.svg
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[docs.rs]: https://docs.rs/libc
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[License]: https://img.shields.io/crates/l/libc.svg
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[docs.master]: https://rust-lang.github.io/libc/#platform-specific-documentation
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