Re: [PATCH 0/4] MR2470: uiautomationcore: Fix/extend some tests, implement UIA_ProviderDescriptionPropertyId.

[Esme Povirk (＠madewokherd)]

On Fri Mar 24 20:32:12 2023 +0000, Connor McAdams wrote:
> Well, unless the confusion is around the size doubling behavior. That
> was mainly done to match other dynamic array functions in wine, where
> AFAIU it's more performant to double the size of an allocation instead
> of doing realloc every time. It might be unnecessary here.

A BSTR can contain NULL characters. If you allocate a string larger than you need, those extra characters are logically in your string.