[Mono-bugs] [Bug 360375] New: Under certain, very specific conditions, strucs with modified FieldOffsets are incorrectly marshaled

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Sat Feb 9 22:38:50 EST 2008


https://bugzilla.novell.com/show_bug.cgi?id=360375


           Summary: Under certain, very specific conditions, strucs with
                    modified FieldOffsets are incorrectly marshaled
           Product: Mono: Runtime
           Version: 1.2.6
          Platform: x86
        OS/Version: Ubuntu
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: misc
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: lunchtimemama at gmail.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: Development


Rather than try to describe the problem, I'll just refer you to some example
code:
http://homepages.nyu.edu/~stp225/testcase.tar.gz

This includes a native library and a managed program. The native library has
some structures and a method. The managed code re-creates the structures and
P/Invokes into the native library. The .NET VM correctly marshals the
structures (I've included a VS2005 solution for testing on Windows), Mono does
not (I've included a Makefile for testing on UNIX). I've also included a native
program which should be logically identical to the managed program so that you
can test the logic of the native library w/o having to boot Windows. See the
README for more details.


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