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Add mention of sendfile(2) and splice(2) to fs::copy() documentation.

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* Add mention of sendfile(2) and splice(2) to fs::copy() documentation.
* Oxford comma fix
This commit is contained in:
Tomi Leppikangas
2026-05-09 17:43:33 +00:00
parent 0424cc1673
commit f4adc40bbe
1 changed files with 3 additions and 2 deletions
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library/std/src/fs.rs
+3 -2
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@@ -2790,8 +2790,9 @@ pub fn rename<P: AsRef<Path>, Q: AsRef<Path>>(from: P, to: Q) -> io::Result<()>
/// with `O_RDONLY` for `from` and `O_WRONLY`, `O_CREAT`, and `O_TRUNC` for `to`.
/// `O_CLOEXEC` is set for returned file descriptors.
///
/// On Linux (including Android), this function attempts to use `copy_file_range(2)`,
/// and falls back to reading and writing if that is not possible.
/// On Linux (including Android), this function uses copy_file_range(2),
/// sendfile(2), or splice(2) syscalls to move data directly between files
/// if possible.
///
/// On Windows, this function currently corresponds to `CopyFileEx`. Alternate
/// NTFS streams are copied but only the size of the main stream is returned by