[Octave-bug-tracker] [bug #50183] tempname() returns an empty string on Solaris

[Mike Miller]

Follow-up Comment #17, bug #50183 (project octave):

I think this is the same build of Octave that I made last summer on this
server (/export/home/miller/octave).

If that's the case, I think it was built with as close to default options as
possible (-g -O2).

The test project results in comment #15 seem to show that there's no problem
with the underlying gnulib gen_tempname function on Solaris, but maybe in the
functions that are determining what the default temporary directory should be
or in building up the template string (debugging with gdb was indeterminate).

For example if I set TMPDIR=/root, I get the same symptom, an empty string
return value from tempname and no error thrown.

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