OpenBSD-4.6/lib/libpanel/p_below.c

/*	$OpenBSD: p_below.c,v 1.4 2001/01/22 18:02:09 millert Exp $	*/

/****************************************************************************
 * Copyright (c) 1998,2000 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      *
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 * 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               *
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 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
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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("$From: p_below.c,v 1.4 2000/12/10 02:20:44 tom Exp $")

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