Re: [PATCH v4 0/4] MR908: uiautomationcore: Add more nested node features.

[Esme Povirk (＠madewokherd)]

Esme Povirk (@madewokherd) commented about dlls/uiautomationcore/uia_private.h:
> HWND hwnd;
>      BOOL nested_node;
> +    struct list *prov_thread_list_entry;

I really don't think this needs to be a pointer. If there's going to be at most 1 entry per uia_node, and it doesn't need to outlive the uia_node, you can put the entry in there directly.

You can use list_init() when creating uia_node and list_empty() to check if the entry is being used. (Though list_remove will leave the entry in an invalid state, and you'll have to init it again if you want that check to work afterwards.)

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https://gitlab.winehq.org/wine/wine/-/merge_requests/908#note_9455