[Bug 22146] 64bit compatibility issue with Wine's MCI string command parser

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=22146


Jörg Höhle <hoehle at users.sourceforge.net> changed:

           What    |Removed                     |Added
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--- Comment #3 from Jörg Höhle <hoehle at users.sourceforge.net>  2010-03-24 18:14:35 ---
Created an attachment (id=27027)
 --> (http://bugs.winehq.org/attachment.cgi?id=27027)
patch: use 64bit compatible structures with the MCI.

It would be nice if somebody with x64-64 could provide feedback on the patch.

What it does:
 - MCI_STATUS and MCI_GETDEVCAPS aka. "capability" ought to work in simple
cases, e.g. not "status x palette handle", to demonstrate that (some) offsets
are correctly computed.

What it does not:
 - conversion of return values >FFFFFFFF (e.g. handles)
 - handle MCI_HWND etc. "window x handle xyz" "open parent xyz" etc.
 - Hence "window x text hello" is broken.

BTW, did you know that the MCI string command parser is covered by a US patent
from IBM? I couldn't believe my eyes. Some sentence therein is 1:1 what's in
the MCI SDK.
http://www.freepatentsonline.com/6397263.html

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