[Octave-bug-tracker] [bug #59706] Avoid "canonicalize_file_name" on Windows

[Markus Mützel]

Follow-up Comment #22, bug #59706 (project octave):

I pushed a change with Rik's suggestions to stable here:
https://hg.savannah.gnu.org/hgweb/octave/rev/45abff4199d8

I don't think gnulib uses its `canonicalize_file_name` replacement for its
`stat` replacement on Windows. It would be much more performant if they used
Windows API calls instead for their `stat` replacement (at least I hope they
do).
If this is the case, the slow `canonicalize_file_name` replacement might be
eliminated from this code path completely after the recent changes.

That doesn't mean that there won't be more places where we could replace
`canonicalize_file_name` by something more efficient (on Windows!) in our own
code. It might be that a new `normalize_file_name` will be a good replacement
in some occasions. But that decision must be made on a per case basis.

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