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Update documentation for wasi:filesystem:descriptor#link-at. #848

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Update documentation for wasi:filesystem:descriptor#link-at. #848

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e5a9d18
Update documentation for `wasi:filesystem:descriptor#link-at`.
wingo Dec 9, 2025
cc52ae2
Add language forbidding hard links to directories.
wingo Dec 9, 2025
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8 changes: 4 additions & 4 deletions proposals/filesystem/wit-0.3.0-draft/types.wit
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Original file line number Diff line number Diff line change
Expand Up @@ -489,11 +489,11 @@ interface types {

/// Create a hard link.
///
/// Fails with `error-code::no-entry` if the old path does not exist,
/// with `error-code::exist` if the new path already exists, and
/// `error-code::not-permitted` if the old path is not a file.
/// Behavior is as described by [POSIX
/// `linkat`](https://pubs.opengroup.org/onlinepubs/9699919799/functions/link.html).
///
/// Note: This is similar to `linkat` in POSIX.
/// Hard links between directories are forbidden, and produce either
/// `error-code::access` or `error-code::not-permitted` error results.
@since(version = 0.3.0-rc-2025-09-16)
link-at: async func(
/// Flags determining the method of how the path is resolved.
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