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/* Copyright (C) 2009  VZLU Prague, a.s., Czech Republic
 * Author: Jaroslav Hajek <highegg@gmail.com>
 * This file is part of OctaveForge.
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this software; see the file COPYING.  If not, see
 * <http://www.gnu.org/licenses/>.  */

#include <octave/oct.h>
#include <octave/mach-info.h>
#include <octave/ls-oct-binary.h>
#include <octave/oct-stream.h>

DEFUN_DLD (fsave, args, ,
  "-*- texinfo -*-\n\
@deftypefn {Loadable Function} {} fsave (@var{fid}, @var{var})\n\
Save a single variable to a binary stream, to be subsequently loaded with\n\
fload. Returns true if successful.\n\
@end deftypefn")
  octave_value retval;
  int nargin = args.length ();

  if (nargin == 2)
      int fid = octave_stream_list::get_file_number (args(0));

      octave_stream octs = octave_stream_list::lookup (fid, "fsave");
      std::ostream *os = octs.output_stream ();

      octave_value val = args(1);

      if (os)
          // FIXME: these are dummies. It would be nice to get rid of them and call
          // a more low-level interface, but there doesn't seem to be a more suitable
          // one in Octave, that still does the automatic type lookup.
          std::string doc, name;
          bool floats = false, global = false;
          save_binary_data (*os, val, name, doc, global, floats);
        error ("fsave: stream not opened for writing.");
    print_usage ();

  return retval;

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