freebsd-dev/contrib/ncurses/panel/p_below.c

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/****************************************************************************
* 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 *
* 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 *
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
* *
* Except as contained in this notice, the name(s) of the above copyright *
* holders shall not be used in advertising or otherwise to promote the *
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* authorization. *
****************************************************************************/
/****************************************************************************
* 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 1.4 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);
}
}