/*************************************************************************
 * Copyright (C) 2011 Tavian Barnes <tavianator@tavianator.com>          *
 *                                                                       *
 * This file is part of The Dimension Library.                           *
 *                                                                       *
 * The Dimension Library is free software; you can redistribute it and/  *
 * or modify it under the terms of the GNU Lesser General Public License *
 * as published by the Free Software Foundation; either version 3 of the *
 * License, or (at your option) any later version.                       *
 *                                                                       *
 * The Dimension Library 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  *
 * Lesser General Public License for more details.                       *
 *                                                                       *
 * You should have received a copy of the GNU Lesser General Public      *
 * License along with this program.  If not, see                         *
 * <http://www.gnu.org/licenses/>.                                       *
 *************************************************************************/

/**
 * @file
 * Reference counts.
 */

#include "dimension.h"

dmnsn_refcount *
dmnsn_new_refcount(void)
{
  dmnsn_refcount *refcount = dmnsn_malloc(sizeof(dmnsn_refcount));
  *refcount = 0;
  return refcount;
}

void
dmnsn_delete_refcount(dmnsn_refcount *refcount)
{
  if (refcount) {
    if (*refcount != 0) {
      dmnsn_error("Attempt to delete non-zero reference count.");
    }

    dmnsn_free(refcount);
  }
}