[Wine] Emulated application retrieve wine version

Bryan DeGrendel sirnuke at gmail.com
Mon Feb 11 11:09:11 CST 2008

On Feb 11, 2008 8:43 AM, L. Rahyen <research at science.su> wrote:
> On Monday February 11 2008 10:59:40 Cédric MARCOUX (sprimont) wrote:
> > Hi all,
> >
> > i'm currently writing Win32 application under Delphi.
> > I do all possible to get it compatible with wine.
> > For design purpose I have made a little check to know in my application
> > is run under wine or not.
> > I just make a registry test to know if wine registries entry exist or
> > not and it work fine.
> > If exist I display a nice tux logo inside my appz :)
> >
> > However, I was wondering if there is a way to get from my emulated
> > application the version of wine that host it?
>         By definition, if you are trying to detect WINE and this is successful - this
> is a bug. And there is no warranty that registry key you are testing doesn't
> exist on Windows or exist on WINE (at least user can create it by hand in
> Windows registry or remove it in WINE registry; or after some time it might
> be changed/removed in WINE registry).
>         If there is any bugs, please report them at http://bugs.winehq.org .
>         If you decide to keep WINE-detection at least provide documented command-line
> keys to disable it. For example, I saw one application that tries to detect
> WINE and if this is successful it changes its behavior in some places and I
> prefer to disable that because modern WINE works much better that at the time
> the program (and its WINE-related workarounds) was created.
>         In other words, any attempt to detect WINE, or, even worse, its version, is
> strongly discouraged practice (because relying on such a thing means relying
> on bugs).
>         If you *really* require some workarounds ASAP, then you can give a user to
> choose (either in menu/options dialog or at first startup) does he/she use
> WINE or not - but this is also discouraged practice.
>         Don't forget to report a bug if you found one!

There is the HKEY_CURRENT_USER\Software\Wine registry keys.  I don't
know if it stores the actual WINE version anymore, but it should only
exist if you are running under WINE.

Note that WINE isn't a sandbox.  I believe it is possible for Win32
applications running under WINE to produce interrupts (0x80?) and make
Linux system API calls.

Bryan DeGrendel

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