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doc: filename arg to uv_fs_event_cb can be NULL (#4177)

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Refs: https://github.com/libuv/libuv/issues/4160
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Ben Noordhuis 2023-10-22 11:55:07 +02:00 committed by GitHub
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docs/src/fs_event.rst
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@ -39,8 +39,12 @@ Data types
.. c:type:: void (*uv_fs_event_cb)(uv_fs_event_t* handle, const char* filename, int events, int status)
Callback passed to :c:func:`uv_fs_event_start` which will be called repeatedly
after the handle is started. If the handle was started with a directory the
`filename` parameter will be a relative path to a file contained in the directory.
after the handle is started.
If the handle was started with a directory the `filename` parameter will
be a relative path to a file contained in the directory, or `NULL` if the
file name cannot be determined.
The `events` parameter is an ORed mask of :c:type:`uv_fs_event` elements.
.. c:type:: uv_fs_event