Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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+# Libudev
+This crate provides a safe wrapper around the native `libudev` library. It applies the RAII pattern
+and Rust lifetimes to ensure safe usage of all `libudev` functionality. The RAII pattern ensures
+that all acquired resources are released when they're no longer needed, and Rust lifetimes ensure
+that resources are released in a proper order.
+
+* [Documentation](http://dcuddeback.github.io/libudev-rs/libudev/)
+
+## Dependencies
+In order to use the `libudev` crate, you must have a Linux system with the `libudev` library
+installed where it can be found by `pkg-config`. To install `libudev` on Debian-based Linux
+distributions, execute the following command:
+
+```
+sudo apt-get install libudev-dev
+```
+
+`libudev` is a Linux-specific package. It is not available for Windows, OS X, or other operating
+systems.
+
+### Cross-Compiling
+The `libudev` crate can be used when cross-compiling to a foreign target. Details on how to
+cross-compile `libudev` are explained in the [`libudev-sys` crate's
+README](https://github.com/dcuddeback/libudev-sys#cross-compiling).
+
+## Usage
+Add `libudev` as a dependency in `Cargo.toml`:
+
+```toml
+[dependencies]
+libudev = "0.2"
+```
+
+If you plan to support operating systems other than Linux, you'll need to add `libudev` as a
+target-specific dependency:
+
+```toml
+[target.x86_64-unknown-linux-gnu.dependencies]
+libudev = "0.2"
+```
+
+Import the `libudev` crate. The starting point for nearly all `libudev` functionality is to create a
+context object.
+
+```rust
+extern crate libudev;
+
+fn main() {
+  let context = libudev::Context::new().unwrap();
+  let mut enumerator = libudev::Enumerator::new(&context).unwrap();
+
+  enumerator.match_subsystem("tty").unwrap();
+
+  for device in enumerator.scan_devices().unwrap() {
+    println!("found device: {:?}", device.syspath());
+  }
+}
+```
+
+## Contributors
+* [dcuddeback](https://github.com/dcuddeback)
+* [Susurrus](https://github.com/Susurrus)
+
+## License
+Copyright © 2015 David Cuddeback
+
+Distributed under the [MIT License](LICENSE).