[Bug 22450] Can't disable unixfs

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=22450

--- Comment #3 from Andrew Church <achurch+wine at achurch.org> 2013-08-10 12:25:19 CDT ---
Created attachment 45572
  --> http://bugs.winehq.org/attachment.cgi?id=45572
Patch against wine-1.7.0

This patch extends Dan Kegel's patch (which applies more or less cleanly
against 1.7.0) to also disable code in ntdll which generates unixfs pathnames. 
I've tested this with a few random programs and it seems to work (modulo the
wineboot issue below).

The only two remaining uses of unixfs I can see are:

- krnl386.exe16 (int21.c and vxd.c): Something to do with magic device names. 
I don't know what the code is supposed to do, so I can't suggest how to fix it.

- wineboot: This attempts to apply wine.inf from the global Wine data directory
(e.g. /usr/share/wine).  If I hack wineboot.c to use "z:" instead of "\\?\unix"
and restore the z: -> / link, it works as expected, but of course this breaks
the whole idea of avoiding full host filesystem access.  I think this may need
to change to have the "wine" binary itself copy the data files into a
Windows-API-visible temporary directory (c:\windows\temp or whatever) before
wineboot is executed.

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