[Bug 3620] simple installer for mfc42 fails in CreateFileA()

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=3620





--- Comment #5 from Dmitry Timoshkov <dmitry at codeweavers.com>  2007-12-24 10:02:41 ---
Created an attachment (id=9786)
 --> (http://bugs.winehq.org/attachment.cgi?id=9786)
Sample app replicating the bug

(In reply to comment #4)
> sysupe is PKWare's 16-bit SFX module, which unpacks and starts 32-bit
> InstallShield-based installer via WinExec(16), and then waits for it using
> GetModuleUsage(16). On Windows this works, on Wine GetModuleUsage doesn't work
> on 32-bit applications, so SFX thinks it can close and it "cleans" things up,
> disrupting some of installer files.

Thanks for the investigation. In order to make debugging and fixing this bug
a bit easier I've created a sample 16-bit application which replicates the bug.

It's worth to mention that 16-bit GetModuleFileName in the test returns
C:\WINNT\SYSTEM32\WINOLDAP.MOD under 32-bit XP. In Wine we have no a 16-bit
wrapper for ShellExecute16 to run 32-bit applications, so we either need to
introduce it, or somehow extend WinExec16/ShellExecute16 to return a proper
handler for 32-bit modules on which GetModuleUsage16 would work.


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