[Bug 9583] New: CompareStringW gives incorrect result for some wide strings

wine-bugs at winehq.org wine-bugs at winehq.org
Tue Sep 4 10:01:21 CDT 2007


           Summary: CompareStringW gives incorrect result for some wide
           Product: Wine
           Version: CVS/GIT
          Platform: Other
        OS/Version: other
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: P2
         Component: wine-kernel
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: peter at cendio.se

It seems like CompareStringW does not work correctly, when using wide/unicode
strings. I first discovered this when I saw that listbox controls sorted
swedish characters (say, LATIN SMALL LETTER A WITH RING ABOVE) side by side
with the base character (LATIN SMALL LETTER A). An example is

The cause seems to be that CompareStringW gives the wrong result. I've created
the small test example
http://www.cendio.se/~astrand/wine/40-listbox-sort/comparestring.exe, with
source available in the same directory. On Windows, the result is that the
string "äpple" is greater than "orange", which is correct. With the latest
Wine CVS version, the result is that "äpple" is lesser than "orange", which is

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