Re: [PATCH v2 0/1] MR6169: comctl32: fixed first we check index then array access by index is safe

[Herman Semenov (＠GermanAizek)]

On Tue Jul 30 18:07:42 2024 +0000, Alfred Agrell wrote:
> I'm nor aware of this kind of stuff causing any trouble in practice, but
> I agree with fixing it anyways. Creating a two-or-more-past-the-end
> pointer is UB.
> I also agree with refactoring the bounds check into a function instead
> of having five different copies. (The last two are TOOLBAR_GetButton and
> TOOLBAR_SetCmdId, which are correct, but still duplicate.)
> Finally, I strongly suspect TOOLBAR_GetCheckedGroupButtonIndex contains
> a similar bug. I suspect the > should be >=.
> @zhiyi, how do you like offer from @Alcaro?

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https://gitlab.winehq.org/wine/wine/-/merge_requests/6169#note_85601