[Octave-bug-tracker] [bug #36677] canonicalize_file_name: inconsistent behavior for non-existing files

[Rik]

Follow-up Comment #8, bug #36677 (project octave):

canonicalize_file_name() is never going to be the right function for this
situation.  It isn't particularly broken, it is just defined a particular way
by GNU for their version of libc.  Lots of people rely on the current behavior
so there isn't much hope of changing it.

make_absolute_pathname() isn't a GNU or gnulib function but an Octave one. 
Therefore, we could potentially modify it to do whatever we want.  The
function is pretty short.  If you are familiar with C++ you should take a
look.  The file is liboctave/oct-env.cc.  The function is make_absolute() at
line 326.  I see that there is already a FIXME comment that the behavior may
not be correct on all systems.  Duh!  It seems like this must have been coded
in a bit of a hurry.

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