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Problem Report 1863 Details

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Report 1863 Actions

    Problem Report Number 1863
    Submitter's Classification Test Suite problem
    State Resolved
    Resolution Rejected (REJ)
    Problem Resolution ID REJ.X.0550
    Raised 1999-10-11 08:00
    Updated 2003-03-13 08:00
    Published null
    Product Standard X Window System Applications Interface
    Certification Program The Open Brand certification program
    Test Suite VSW version 5.0.2
    Test Identification Xlib11/PropertyNotify 1
    Problem Summary PG4W.00101 32-bit data should be passed in a long int.
    Problem Text
    In the testcode a call is made to XChangeProperty as follows:

    XChangeProperty(display, w, atom, XA_INTEGER, 32, PropModeReplace, (unsi
    gned char *)&data, 1);

    Where data is declared as an int:

    int data = 42;

    In our Xserver XChangeProperty treats the value passed in data to be a
    long. This is fine in the 32 bit Xserver as sizeof(int) is equal to
    sizeof(long). However in our 64 bit Xserver sizeof(long) does not
    sizeof(int) and this causes the test program to crash.

    As in TSD4W.00111 the test should be using something like the xProp*
    structures in Xatomtype.h to provide a portable way of handling the
    case where ints and longs are different sizes.
    Test Output
    400|1393 1 1 19:28:43|IC Start
    200|1393 1 19:28:43|TP Start
    520|1393 1 00024686 1 1|VSW5TESTSUITE PURPOSE 1
    520|1393 1 00024686 1 2|Assertion PropertyNotify-1.(A)
    520|1393 1 00024686 1 3|When a PropertyNotify event is generated, then all clients
    520|1393 1 00024686 1 4|having set PropertyChangeMask event mask bits on the event
    520|1393 1 00024686 1 5|window are delivered a PropertyNotify event.
    520|1393 1 00024686 1 6|METH: Create clients client2 and client3.
    520|1393 1 00024686 1 7|METH: Create window.
    520|1393 1 00024686 1 8|METH: Select for PropertyNotify events using PropertyChangeMas
    k.
    520|1393 1 00024686 1 9|METH: Select for PropertyNotify events using PropertyChangeMas
    k with client2.
    520|1393 1 00024686 1 10|METH: Select for no events with client3.
    520|1393 1 00024686 1 11|METH: Create atom for property.
    520|1393 1 00024686 1 12|METH: Generate PropertyNotify event.
    520|1393 1 00024686 1 13|METH: Verify that a PropertyNotify event was delivered.
    520|1393 1 00024686 1 14|METH: Verify that event member fields are correctly set.
    520|1393 1 00024686 1 15|METH: Verify that a PropertyNotify event was delivered to cli
    ent2.
    520|1393 1 00024686 1 16|METH: Verify that event member fields are correctly set.
    520|1393 1 00024686 1 17|METH: Verify that no events were delivered to client3.
    520|1393 1 00024686 1 18|unexpected signal 10 (unknown signal) received
    220|1393 1 2 19:28:43|UNRESOLVED
    410|1393 1 1 19:28:43|IC End

    Review Information

    Review Type TSMA Review
    Start Date null
    Completed null
    Status Complete
    Review Recommendation No Resolution Given
    Review Response
    The call to XChangeProperty() details the format of the data field to be 32-bit
    entities and the data is provided as a 32-bit integer quantity. This seems to
    be correct, though it is recognised that the current specification does not
    seem to allow the ability to pass 64-bit quantities. It seems strange that
    the implementations version of XChangeProperty() uses a fixed size for the
    format of the data when the format field allows for this to be defined by the
    caller. This seems to be an error in the implementation and it is recommended
    that this request is refused.

    Review Type SA Review
    Start Date null
    Completed null
    Status Complete
    Review Resolution Rejected (REJ)
    Review Conclusion
    This request is refused.

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