forked from mirror/async-std
33 lines
865 B
Rust
33 lines
865 B
Rust
use std::path::{Path, PathBuf};
|
|
|
|
use crate::io;
|
|
use crate::task::blocking;
|
|
|
|
/// Reads a symbolic link and returns the path it points to.
|
|
///
|
|
/// This function is an async version of [`std::fs::read_link`].
|
|
///
|
|
/// [`std::fs::read_link`]: https://doc.rust-lang.org/std/fs/fn.read_link.html
|
|
///
|
|
/// # Errors
|
|
///
|
|
/// An error will be returned in the following situations:
|
|
///
|
|
/// * `path` does not point to an existing link.
|
|
/// * Some other I/O error occurred.
|
|
///
|
|
/// # Examples
|
|
///
|
|
/// ```no_run
|
|
/// # fn main() -> std::io::Result<()> { async_std::task::block_on(async {
|
|
/// #
|
|
/// use async_std::fs;
|
|
///
|
|
/// let path = fs::read_link("a.txt").await?;
|
|
/// #
|
|
/// # Ok(()) }) }
|
|
/// ```
|
|
pub async fn read_link<P: AsRef<Path>>(path: P) -> io::Result<PathBuf> {
|
|
let path = path.as_ref().to_owned();
|
|
blocking::spawn(async move { std::fs::read_link(path) }).await
|
|
}
|