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Problem Report 0799 Details

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Report 0799 Actions

    Problem Report Number 0799
    Submitter's Classification Test Suite problem
    State Resolved
    Resolution Test Suite Deficiency (TSD)
    Problem Resolution ID TSD.X.0314
    Raised 1970-01-01 08:00
    Updated 2003-03-13 08:00
    Published 1996-11-22 08:00
    Product Standard Commands and Utilities V2 (UNIX 95)
    Certification Program The Open Brand certification program
    Test Suite VSC version 4.1.6
    Test Identification POSIX.cmd/stty/stty.ex 8
    Problem Summary TSD4C.00197 This test may fail on implementations that do not support split input/output baud rate.
    Problem Text
    This test may be unresolved if the terminal the test is run on does not
    support setting split input/output baud rates when the speed values are
    different.

    With version 4.1.5B of VSC, this test failed on our previous implementation
    for a similar reason and the waiver TSD4C.00175 was granted.

    Our implementation was modified so that the stty utility returns an error
    when different ispeed and ospeed values are specified. If the ispeed and
    ospeed values are identical, the command stty will succeed and a subsequent
    command to list the flags will only show the single "speed <value>" .


    The stty test case for assertion 8 proceeds as follows.

    The initial command "stty ispeed 9600 ospeed 9600 > /dev/null 2>&1"
    does not fail because the two speeds are identical.

    The following command "stty ispeed 9600 ospeed 2400 > /dev/null 2>&1"
    fails and the suite calls "SetResult $TET_UNRESOLVED ... " .


    The rationale from TSD4C.00175 is included below.

    POSIX.1 and XPG4 do not mandate support for split input/output baud
    rates for the tcsetattr system interface (see 1003.1b-1993 7.2.1.2,
    page 183 and XSH4 Version 2, page 653).

    POSIX.2 and XPG4 do not mandate support for split input/output baud
    rates for the stty utility (see 1003.2-1992 4.49.41., page 438 and
    XCU4 Version 2, page 665). Additionally, "It is unspecified whether
    stty will report an error if an attempt to set a Control Mode fails".
    Test Output
    /tset/POSIX.cmd/stty/stty.ex 1 Unresolved


    Test Information:
    Assertion #8 (C):
    Command failed: 'stty ispeed 9600 ospeed 2400 > /dev/null
    <LC> 2>&1'

    Review Information

    Review Type TSMA Review
    Start Date null
    Completed null
    Status Complete
    Review Recommendation No Resolution Given
    Review Response
    We agree this is a test suite deficiency in the test
    suite version(s) listed.

    Review Type SA Review
    Start Date null
    Completed null
    Status Complete
    Review Resolution Test Suite Deficiency (TSD)
    Review Conclusion
    This is an agreed Test Suite Deficiency.

    Problem Reporting System Options:

     

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