[Bug 14882] New: UpdateResource fails to delete a resource

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=14882

           Summary: UpdateResource fails to delete a resource
           Product: Wine
           Version: 1.1.2
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: kernel32
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: johnlen7+wine at gmail.com


UpdateResource should, according to MSDN, delete a resource if
(!lpData)&&(!cbData). This is actually the way applications can delete
resources and various resource-related application, like InnoSetup, use it.

However wine's current implementation of UpdateResourceW unconditionally calls
allocate_resource_data, which will fail if either lpData or cbData is NULL.

I hope I can fix it, but I will need to familiarize myself with kernel32 code
first.


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