forked from mirror/async-std
36 lines
1 KiB
Rust
36 lines
1 KiB
Rust
use crate::io;
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use crate::path::{Path, PathBuf};
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use crate::task::blocking;
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/// Returns the canonical form of a path.
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///
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/// The returned path is in absolute form with all intermediate components normalized and symbolic
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/// links resolved.
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///
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/// This function is an async version of [`std::fs::canonicalize`].
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///
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/// [`std::fs::canonicalize`]: https://doc.rust-lang.org/std/fs/fn.canonicalize.html
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///
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/// # Errors
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///
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/// An error will be returned in the following situations:
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///
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/// * `path` does not point to an existing file or directory.
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/// * A non-final component in `path` is not a directory.
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/// * Some other I/O error occurred.
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///
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/// # Examples
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///
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/// ```no_run
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/// # fn main() -> std::io::Result<()> { async_std::task::block_on(async {
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/// #
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/// use async_std::fs;
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///
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/// let path = fs::canonicalize(".").await?;
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/// #
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/// # Ok(()) }) }
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/// ```
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pub async fn canonicalize<P: AsRef<Path>>(path: P) -> io::Result<PathBuf> {
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let path = path.as_ref().to_owned();
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blocking::spawn(move || std::fs::canonicalize(&path).map(Into::into)).await
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}
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