/* $OpenBSD: p_below.c,v 1.5 2010/01/12 23:22:08 nicm Exp $ */

/****************************************************************************
 * Copyright (c) 1998-2000,2005 Free Software Foundation, Inc.              *
 *                                                                          *
 * Permission is hereby granted, free of charge, to any person obtaining a  *
 * copy of this software and associated documentation files (the            *
 * "Software"), to deal in the Software without restriction, including      *
 * without limitation the rights to use, copy, modify, merge, publish,      *
 * distribute, distribute with modifications, sublicense, and/or sell       *
 * copies of the Software, and to permit persons to whom the Software is    *
 * furnished to do so, subject to the following conditions:                 *
 *                                                                          *
 * The above copyright notice and this permission notice shall be included  *
 * in all copies or substantial portions of the Software.                   *
 *                                                                          *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
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/****************************************************************************
 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1995                    *
 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
 ****************************************************************************/

/* p_below.c
 */
#include "panel.priv.h"

MODULE_ID("$Id: p_below.c,v 1.5 2010/01/12 23:22:08 nicm Exp $")

NCURSES_EXPORT(PANEL *)
panel_below(const PANEL * pan)
{
  T((T_CALLED("panel_below(%p)"), pan));
  if (!pan)
    {
      /* if top and bottom are equal, we have no or only the pseudo panel */
      returnPanel(EMPTY_STACK()? (PANEL *) 0 : _nc_top_panel);
    }
  else
    {
      /* we must not return the pseudo panel */
      returnPanel(Is_Pseudo(pan->below) ? (PANEL *) 0 : pan->below);
    }
}