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gerrit-public.fairphone.software / platform / external / rust / crates / libc / 2505bede148d111293e0baa92540c51dd870940e
commit2505bede148d111293e0baa92540c51dd870940e[log] [tgz]
authorandroid-build-team Robot <android-build-team-robot@google.com>Sat Apr 17 03:05:37 2021 +0000
committerandroid-build-team Robot <android-build-team-robot@google.com>Sat Apr 17 03:05:37 2021 +0000
treea431d2fb0d4bb528bea00f95dc43e94a56a52bec
parent218c35847e30649aeec353f69e9905180ad45ec2 [diff]
parentaa5a3c8732d467227580bfab38296147db078723 [diff]
Snap for 7290612 from aa5a3c8732d467227580bfab38296147db078723 to sc-release

Change-Id: Id4114ecd1f5b35ed867f4d019488c2cda24f3d8d
tree: a431d2fb0d4bb528bea00f95dc43e94a56a52bec
  1. patches/
  2. src/
  3. tests/
  4. LICENSE ⇨ LICENSE-APACHE
  5. .cargo_vcs_info.json
  6. .gitignore
  7. Android.bp
  8. build.rs
  9. Cargo.toml
  10. Cargo.toml.orig
  11. CONTRIBUTING.md
  12. LICENSE-APACHE
  13. LICENSE-MIT
  14. METADATA
  15. MODULE_LICENSE_APACHE2
  16. OWNERS
  17. README.md
  18. rustfmt.toml
  19. TEST_MAPPING
README.md

libc - Raw FFI bindings to platforms' system libraries

GHA Status Cirrus CI Status Latest Version Documentation License

libc provides all of the definitions necessary to easily interoperate with C code (or "C-like" code) on each of the platforms that Rust supports. This includes type definitions (e.g. c_int), constants (e.g. EINVAL) as well as function headers (e.g. malloc).

This crate exports all underlying platform types, functions, and constants under the crate root, so all items are accessible as libc::foo. The types and values of all the exported APIs match the platform that libc is compiled for.

More detailed information about the design of this library can be found in its associated RFC.

Usage

Add the following to your Cargo.toml:

[dependencies]
libc = "0.2"

Features

  • std: by default libc links to the standard library. Disable this feature to remove this dependency and be able to use libc in #![no_std] crates.

  • extra_traits: all structs implemented in libc are Copy and Clone. This feature derives Debug, Eq, Hash, and PartialEq.

  • const-extern-fn: Changes some extern fns into const extern fns. This feature requires a nightly rustc.

  • deprecated: use_std is deprecated, and is equivalent to std.

Rust version support

The minimum supported Rust toolchain version is Rust 1.13.0 . APIs requiring newer Rust features are only available on newer Rust toolchains:

FeatureVersion
union1.19.0
const mem::size_of1.24.0
repr(align)1.25.0
extra_traits1.25.0
core::ffi::c_void1.30.0
repr(packed(N))1.33.0
cfg(target_vendor)1.33.0

Platform support

Platform-specific documentation (master branch).

See ci/build.sh for the platforms on which libc is guaranteed to build for each Rust toolchain. The test-matrix at GitHub Actions and Cirrus CI show the platforms in which libc tests are run.

License

This project is licensed under either of

at your option.

Contributing

We welcome all people who want to contribute. Please see the contributing instructions for more information.

Contributions in any form (issues, pull requests, etc.) to this project must adhere to Rust's Code of Conduct.

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in libc by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.