[Bug 16911] WriteProcessMemory() not working for memory protected by X11DRV_DIB_DoProtectDIBSection()

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=16911





--- Comment #1 from Lei Zhang <thestig at google.com>  2009-01-12 18:52:37 ---
Created an attachment (id=18661)
 --> (http://bugs.winehq.org/attachment.cgi?id=18661)
proposed patch

Now, I don't completely understand all code involved here, but it seems the
simplest way to fix this is to not leave 'mem' with permissions set to
PAGE_NOACCESS at the end of X11DRV_SetDIBits().

The attached patch sets the permissions to PAGE_READONLY, which fixes the
problem for me. This patch doesn't break any other unit tests in Wine, which
tells me it's not obviously wrong, but I'm not sure if it's correct, so
comments are welcome.


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