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Problem Report 1647 Details

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This page provides all information on Problem Report 1647.

Report 1647 Actions

    Problem Report Number 1647
    Submitter's Classification Specification problem
    State Resolved
    Resolution Permanent Interpretation (PIN)
    Problem Resolution ID PIN.X.0204
    Raised 2002-05-23 08:00
    Updated 2003-03-13 08:00
    Published 2002-06-20 08:00
    Product Standard OTHER including specifications not referenced in a Product Standard
    Certification Program The Open Brand certification program
    Test Suite Unknown version N/A
    Test Identification N/A
    Specification N/A (use location field)
    Location in Spec See Problem Text
    Problem Summary PIN4U.00070 Grey area in the XNS5.2 specification wrt type of getnameinfo() flags argument
    Problem Text

    CAE specification:

    C808 Networking Services (XNS) Issue 5.2

    Request Summary:

    The data type of the flags argument of the getnameinfo()
    function should be 'int'. The data type is currently
    specified as 'unsigned int'.

    Supporting Information:

    The getnameinfo() function was originally specified by the IETF
    IPv6 working group in RFC 2133 (April 1997) and RFC 2553 (March
    1999). Both of these RFCs specified the data type of the flags
    argument of the getnameinfo() function to be 'int'.

    Although these IETF documents are informational only, they were
    the basis for most implementations of the getnameinfo() function.
    The following implementations use type 'int' for the flags
    argument of getnameinfo():

    Solaris 9
    Solaris 8
    IBM AIX
    HP-UX
    Windows XP
    FreeBSD
    OpenBSD
    NetBSD
    Tru64 UNIX
    OpenVMS

    Type 'int' is also documented in the book "UNIX Network
    Programming", Volume 1, second edition, 1998, by W. Richard
    Stevens.

    When the getnameinfo() function was incorporated into the
    Networking Services (XNS) Issue 5.2 (January 2000) specification,
    the data type of the flags argument of the getnameinfo()
    function was changed to be 'unsigned int'. We believe this
    was an oversight, and that the XNS 5.2 specification should
    be modified to specify the data type to be 'int'.

    Requested Changes:

    On page 89 getnameinfo() in the SYNOPSIS section, change
    "unsigned int flags" to "int flags".

    On page 100 <netdb.h> in the prototype for the getnameinfo()
    function, change "unsigned int" to "int". Note: the prototype
    for getnameinfo() was added by Corrigendum U050.

    Test Output
    n/a

    Review Information

    Review Type TSMA Review
    Start Date null
    Completed null
    Status Complete
    Review Recommendation No Resolution Given
    Review Response
    This matter should be referred to the Base Working Group for
    consideration.
    .br
    The interface definition is the same in the Base Specifications Issue 6,
    which have been approved as an Open Group technical standard and IEEE Std.
    .br
    Procedurally an interpretation can widen the allowed behavior
    allowed for conformance but cannot prohibit systems that have
    implemented the published definition.
    .br
    The Base Working Group should assess the impact on application
    portability of allowing behavior other than as stated in the
    specification.

    Review Type SA Review
    Start Date null
    Completed null
    Status Complete
    Review Resolution No Resolution Given
    Review Conclusion
    This matter is forwarded to the Base Working Group for consideration

    Review Type Expert Group Review
    Start Date null
    Completed null
    Status Complete
    Review Resolution No Resolution Given
    Review Conclusion
    Base WG response:

    The group recommends in a future revision the following changes to XNS 5.2:

    On page 89 getnameinfo() in the SYNOPSIS section, change
    "unsigned int flags" to "int flags".

    On page 100 <netdb.h> in the prototype for the getnameinfo() function,
    change "unsigned int" to "int". Note: the prototype for getnameinfo()
    was added by Corrigendum U050.

    For this revision of the specification either behavior
    is acceptable.

    Review Type SA Review
    Start Date null
    Completed null
    Status Complete
    Review Resolution Permanent Interpretation (PIN)
    Review Conclusion
    A Permanent Interpretation is granted.

    Problem Reporting System Options:

     

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