[Octave-bug-tracker] [bug #48726] caseless_str overloads compare and inverts meaning

[Carnë Draug]

URL:
  <http://savannah.gnu.org/bugs/?48726>

                 Summary: caseless_str overloads compare and inverts meaning
                 Project: GNU Octave
            Submitted by: carandraug
            Submitted on: Tue 09 Aug 2016 02:28:56 AM GMT
                Category: None
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: None
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: Any

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Details:

liboctave has a caseless_str class which subclasses std::string.  It overloads
the compare method so that it compares both string in lowercase.

The issue is that the compare method returns a zero when strings are equal.
The overloaded methods returns true in that case, the opposite what one would
expect. This comes a bit of a surprise.

Also, the == and != operators have not been overloaded. I'm not sure they
should be, this sounds like trouble.




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