oct-locbuf.h

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/*

Copyright (C) 2008-2018 Jaroslav Hajek

This file is part of Octave.

Octave 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.

Octave is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING.  If not, see
<https://www.gnu.org/licenses/>.

*/

#if ! defined (octave_oct_locbuf_h)
#define octave_oct_locbuf_h 1

#include "octave-config.h"

#include <cstddef>

#include <algorithm>
#include <memory>

#if __cplusplus >= 201402L

#define OCTAVE_LOCAL_BUFFER(T, buf, size)                               \
  auto octave_local_buffer_ ## buf = std::make_unique<T []> (size);     \
  T *buf = octave_local_buffer_ ## buf.get ()

#else

#define OCTAVE_LOCAL_BUFFER(T, buf, size)                               \
  std::unique_ptr<T []> octave_local_buffer_ ## buf { new T [size] };   \
  T *buf = octave_local_buffer_ ## buf.get ()

#endif

#define OCTAVE_LOCAL_BUFFER_INIT(T, buf, size, value)                   \
  OCTAVE_LOCAL_BUFFER (T, buf, size);                                   \
  std::fill_n (buf, size, value)

#endif