[Bug 3613] tmpfile() not working with MinGW application

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=3613





------- Additional Comments From hans at it.vu.nl  2005-18-10 06:00 -------
I can reproduce this here. It's not a bug in tmpfile() but 
a configuration problem. A "trace+msvcrt,file" log shows 
that tmpfile() generates a bare filename like "\s8.", like 
it should. 
 
But then when it tries to open it Wine will resolve this to 
an absolute Unix path, which becomes something like 
"/home/user/.wine/dosdevices/z:/\s8." on a default Wine 
installation. 
 
Since z: is mapped to / the call will fail for unprivileged 
users, because they don't have write permission in /. On Windows 
I think the temporary filename will resolve to "c:\s8" and if 
I'm not mistaken everyone is allowed to write to c: on Windows. 
 
Indeed, if I remove the symbolic link z: (so that the directory 
that c: points to becomes topmost) your program doesn't crash. 
 

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