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Problem Report 1920 Details

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Report 1920 Actions

    Problem Report Number 1920
    Submitter's Classification Specification problem
    State Resolved
    Resolution Temporary Interpretation (TIN)
    Problem Resolution ID TIN.X.0086
    Raised 2001-10-16 08:00
    Updated 2003-03-13 08:00
    Published 2001-10-16 08:00
    Product Standard Internationalised System Calls and Libraries Extended V2 (UNIX 98)
    Certification Program The Open Brand certification program
    Test Suite VSX4 version 4.4.5
    Test Identification XPG4.os/genuts/regcomp 30
    Specification System Interfaces and Headers Issue 5
    Location in Spec See Problem Text
    Linked Problem Reports PIN4.039, (in, old, system)
    Problem Summary TIN5.005 According to VWG/003/060392, \{\} imbalance behavior is undefined for EREs under XPG4. Thus, the expected testcase results are incorrect. Our implementation treats unbalanced braces as ordinary char...
    Problem Text
    According to VWG/003/060392, \{\} imbalance behavior is undefined for EREs
    under XPG4. Thus, the expected testcase results are incorrect. Our
    implementation treats unbalanced braces as ordinary characters.

    Also according to VWG/003/060392, "the test should be left as it is - no
    other action is required." This doesn't make sense, the testcase is
    expecting behavior not defined in XPG4, and should be changed or
    eliminated.

    Test Output

    ************************************************************************
    /tset/XPG4.os/genuts/regcomp/T.regcomp 30 Failed

    Test Description:
    If regcomp() is supported:
    When the REG_EXTENDED flag is set in cflags, and pattern contains
    a {} imbalance, then a call to regcomp(preg, pattern, cflags)
    returns either REG_EBRACE or REG_BADPAT.
    Otherwise:
    A call to regcomp() returns REG_ENOSYS and sets errno to ENOSYS.

    Test Strategy:
    CREATE pattern with xyab{3,}jkl{
    CALL regcomp() with pattern and cflags set to REG_EXTENDED
    VERIFY that regcomp() returned either REG_EBRACE or REG_BADPAT

    Test Information:
    regcomp(preg, "xyab{3,}jk{", REG_EXTENDED) returned 0 (No Error)
    expected 9 (REG_EBRACE) or 2 (REG_BADPAT)
    ************************************************************************

    Review Information

    Review Type TSMA Review
    Start Date null
    Completed null
    Status Complete
    Review Recommendation No Resolution Given
    Review Response
    The XSH4 grey area identified in PIN4.039 still exists in XSH5.
    However, since regcomp() is a POSIX.2 function, it is recommended
    that a Temporary Interpretation is granted for XSH5 and a POSIX.2
    interpretation request is submitted.

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

    Problem Reporting System Options:

     

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