/* Copyright (C) 1999 Aladdin Enterprises.  All rights reserved.
  
  This file is part of GNU ghostscript

  GNU ghostscript is free software; you can redistribute it and/or modify it under
  the terms of the GNU General Public License as published by the Free Software
  Foundation; either version 2, or (at your option) any later version.

  GNU ghostscript 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
  ghostscript; see the file COPYING. If not, write to the Free Software Foundation,
  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

  
*/

/* $Id: iddstack.h,v 1.4 2005/12/13 16:57:25 jemarch Exp $ */
/* Dictionary stack API subset needed by idict.h */

#ifndef iddstack_INCLUDED
#  define iddstack_INCLUDED

#ifndef dict_stack_DEFINED
#  define dict_stack_DEFINED
typedef struct dict_stack_s dict_stack_t;
#endif

/*
 * Reset the cached top values.  Every routine that alters the
 * dictionary stack (including changing the protection or size of the
 * top dictionary on the stack) must call this.
 */
void dstack_set_top(dict_stack_t *);

/* Check whether a dictionary is one of the permanent ones on the d-stack. */
bool dstack_dict_is_permanent(const dict_stack_t *, const ref *);

#endif /* iddstack_INCLUDED */
