Re: Clarification regarding clean room guidelines and headers / prototypes

On Thu, Dec 12, 2024 at 11:43 PM Hin-Tak Leung <[email protected]>
wrote:

> Data dump and programmatic dump from decompilation and even some other
> form of data dump is off-limit... I think perhaps sometimes (some of the)
> wine people are taking it quite strictly.
>
> For example, a while ago, I filed an issue about cp932/cp936/cp950/etc are
> not exactly the same as the unicode consortium's big5/jis/gb to unicode
> mappings - Microsoft for historical or whatever reasons have codepages
> which are not 100% identical to unicode consortium's mapping. I wrote a
> little program to just loop over the mapping and run it on windows, output
> it to text, and attached them to a bug report - and promptly had the
> attachments deleted from bugzilla as "you cannot dump window's data
> structure". But how else can you do it if you want an exact match of
> behavior? For my purpose then (for MS windows compliance/compatibility as
> far as a font's encoding coverage goes), I needed an exact match - it must
> be MS cp* exactly, and not the "approximately the same" unicode consortium
> mapping...
>
> I think the bugzilla issue is still open, but I haven't checked recently.
>

This should be resolved now, we are now using mappings files published by
Microsoft to generate binary mapping files.



>
> On Thursday 12 December 2024 at 21:49:53 GMT, Fabian Maurer <
> [email protected]> wrote:
>
>
> Hello,
>
> Not sure who, apart from Alexandre, could help here, but I wanted to ask
> for
> some clarification on the clean room guidelines (
> https://gitlab.winehq.org/
> wine/wine/-/wikis/Clean-Room-Guidelines)
>
> Let's say we want to add a few new COM classes / interfaces from WinRT for
> some program. What is the official way to get those header definitions?
> Copy
> paste from the official SDK?
>
> Or worse, there is some windows adjacent dlls that only contain typelibs -
> can
> we decompile those typelibs to get the COM interface definitions?
>
> Or how about undocumented functions that are documented by third parties?
> ROS
> is off limits, all others as well? There are for example C# projects that
> provide P/Invoke definitions of otherwise undocumented functions.
>
> I think it would be helpful for the wiki to be updated with a bit of
> clarification.
>
> Thanks in advance,
> Regards,
> Fabian Maurer
>
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