[Bug 19759] New: SLTG_ReadString does not null terminate

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=19759

           Summary: SLTG_ReadString does not null terminate
           Product: Wine
           Version: 1.1.27
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: oleaut32
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: sunilmohan at fsf.org.in


Created an attachment (id=23133)
 --> (http://bugs.winehq.org/attachment.cgi?id=23133)
Patch to properly null terminate

According to MSDN http://msdn.microsoft.com/en-us/library/ms221069.aspx the
BSTR string should be null terminated. SLTG_ReadString is not doing so as the
strings being read are not themselves null terminated and are read based on the
length. It causes the string length somehow to be misunderstood by
applications.

The attached screenshots show OLE Viewer from Visual Studio 6 showing a
TypeInfo header: one in Wine and the other on Windows.

The attached patch (against latest git) fixed the problem for me. It also fixes
another chunk of similar code.

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