/* 
 * This file is part of the Alliance CAD System
 * Copyright (C) Laboratoire LIP6 - Département ASIM
 * Universite Pierre et Marie Curie
 * 
 * Home page          : http://www-asim.lip6.fr/alliance/
 * E-mail             : mailto:alliance-users@asim.lip6.fr
 * 
 * This library is free software; you  can redistribute it and/or modify it
 * under the terms  of the GNU Library General Public  License as published
 * by the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 * 
 * Alliance VLSI  CAD System  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 General
 * Public License for more details.
 * 
 * You should have received a copy  of the GNU General Public License along
 * with the GNU C Library; see the  file COPYING. If not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/* ###--------------------------------------------------------------### */
/* file		: beh_delbequad.c					*/
/* date		: Sep  3 1993						*/
/* version	: v106							*/
/* authors	: Laurent VUILLEMIN 					*/
/* content	: low-level function					*/
/* ###--------------------------------------------------------------### */

#include <stdio.h>
#include "mut.h"
#include "log.h"
#include "beh.h"

/* ###--------------------------------------------------------------### */
/* function	: beh_delbequad						*/
/* description	: delete a BEQUAD structure. A warning is printed out	*/
/*		  if the object to be deleted is not empty when the	*/
/*		  mode is N						*/
/* called func.	: mbkfree						*/
/* ###--------------------------------------------------------------### */

void beh_delbequad (listbequad, ptbequad, mode)

struct bequad *ptbequad;	/* pointer of the BEQUAD to be deleted	*/
char           mode;		/* recursive delete or not (Y or N)	*/

  {

  if (ptbequad != NULL)
    {
	/* ###------------------------------------------------------### */
	/*    If the object has been found check the mode and, if asked	*/
	/* delete pointed objects recursively.				*/
	/* ###------------------------------------------------------### */

    if (mode == 'N')
      {
      if ((ptbequad->BDD     != NULL) || (ptbequad->GEX      != NULL) ||
	  (ptbequad->VARLIST != NULL) || (ptbequad->DERIVATE != NULL))
        (void) fprintf (stderr, "BEH_warning : bequad not empty\n");
      }
    else
      {
      beh_frebeder (ptbequad->DERIVATE);
      freechain    (ptbequad->VARLIST );
      }

    mbkfree (ptbequad);
    }
  }