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Problem Report 2574 Details

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Report 2574 Actions

    Problem Report Number 2574
    Submitter's Classification Minor System Fault
    State Resolved
    Resolution Minor System Fault (MSF)
    Problem Resolution ID MSF.X.0111
    Raised 2012-01-18 14:15
    Updated 2012-01-18 09:56
    Published 2012-01-18 09:56
    Expiry Date 2013-01-18
    Product Standard Internationalised System Calls and Libraries Extended (UNIX 95)
    Certification Program The Open Brand certification program
    Test Suite VSX4 version 4.7.4
    Test Identification XPG4.os/time/strptime/T.strptime 3
    Specification System Interfaces and Libraries Issue 4 Version 2
    Location in Spec page 614 strptime( )
    Problem Summary The behaviour of our strptime() function is not the same as the future
    direction.
    Problem Text We met a failure when we executed "strptime("20001", "%Y",&testbuf)"
    in "/tset/XPG4.os/time/strptime/T.strptime 3".

    We are failing the "warning check", because we are returning a NULL
    when called with a 5 digit year, setting no errno, and the tm_year
    field in the structure remains -1.

    Since it's just a warning check for a future direction and portable
    applications cannot rely on %Y scanning more than 4 digits, we don't
    think it is urgent that we fix this at this time. We would like to fix
    this in the next release of our product, probably by having %Y scan a
    maximum of 4 digits and giving a WARNING result when called with a 5
    digit year.

    We want to apply a MSF ("Minor System Fault") for this problem.

    We are waiting for your instructions.
    Test Output 10|0 /tset/XPG4.os/time/strptime/T.strptime 21:00:56|TC Start,
    scenario ref
    1-0, ICs: {3}
    15|0 3.6-lite 1|TCM Start
    400|0 3 1 21:00:56|IC Start
    200|0 3 21:00:56|TP Start
    520|0 3 00033620570 1 1|year including century
    520|0 3 00033620570 1 2|strptime("20001", "%Y", &testbuf) failed.
    520|0 3 00033620570 1 3| return value was NULL
    220|0 3 1 21:00:56|FAIL
    410|0 3 1 21:00:56|IC End
    80|0 0 21:00:57|TC End, scenario ref 1-0
    900|21:00:57|TCC End

    Review Information

    Review Type SA Review
    Start Date 2012-01-18 14:15
    Last Updated 2012-01-18 09:53
    Completed 2012-01-18 09:53
    Status Complete
    Review Resolution Minor System Fault (MSF)
    Review Conclusion The requirements for strptime() %Y have changed in SUSv4 in recognition
    that common existing practice is for %Y to scan a maximum of 4 digits.
    The test allows the SUSv4 behaviour in older test modes (by giving a
    WARNING result instead of FAIL) in order to allow systems to follow this
    future direction.

    Although the submitter's system is behaving differently when the input
    contains 5 digits (hence the FAIL result instead of WARNING), the fact
    that portable applications cannot rely on %Y scanning more than 4 digits
    means that there will be little or no impact on applications, and this
    should be considered a minor system fault.

    A minor system fault is granted.

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