[Octave-bug-tracker] [bug #49339] False error reports while producing latex with non-ascii chars under gnuplot

[Mike Miller]

Follow-up Comment #4, bug #49339 (project octave):

I agree that running octave-cli non-interactively does not initialize the
LC_CTYPE facet correctly, that's the conclusion I came to in comment #2. If
the user does have a DISPLAY, or if Octave is run interactively, it is
initialized correctly.

So it looks like we should handle that use case, I agree, and maybe the
interpreter constructor is the right place.

The appropriate way to initialize this might be something like the following
(adapted from readline):


std::string val = octave::sys::env::getenv ("LC_ALL");
if (val.empty ())
  val = octave::sys::env::getenv ("LC_CTYPE");
if (val.empty ())
  val = octave::sys::env::getenv ("LANG");
if (val.empty ())
  {
    char *p = setlocale (LC_CTYPE, 0);
    if (p)
      val = p;
  }
setlocale (LC_CTYPE, val.c_str ());


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