xref: /freebsd-10.1-release/contrib/ncurses/panel/p_above.c

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/****************************************************************************
 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1995                    *
 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
 ****************************************************************************/

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

MODULE_ID("$Id: p_above.c,v 1.6 2005/02/19 16:44:57 tom Exp $")

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