xref: /plan9/sys/src/cmd/gs/src/iddstack.h (revision 593dc095aefb2a85c828727bbfa9da139a49bdf4)
1 /* Copyright (C) 1999 Aladdin Enterprises.  All rights reserved.
2 
3   This software is provided AS-IS with no warranty, either express or
4   implied.
5 
6   This software is distributed under license and may not be copied,
7   modified or distributed except as expressly authorized under the terms
8   of the license contained in the file LICENSE in this distribution.
9 
10   For more information about licensing, please refer to
11   http://www.ghostscript.com/licensing/. For information on
12   commercial licensing, go to http://www.artifex.com/licensing/ or
13   contact Artifex Software, Inc., 101 Lucas Valley Road #110,
14   San Rafael, CA  94903, U.S.A., +1(415)492-9861.
15 */
16 
17 /* $Id: iddstack.h,v 1.5 2002/06/16 04:47:10 lpd Exp $ */
18 /* Dictionary stack API subset needed by idict.h */
19 
20 #ifndef iddstack_INCLUDED
21 #  define iddstack_INCLUDED
22 
23 #ifndef dict_stack_DEFINED
24 #  define dict_stack_DEFINED
25 typedef struct dict_stack_s dict_stack_t;
26 #endif
27 
28 /*
29  * Reset the cached top values.  Every routine that alters the
30  * dictionary stack (including changing the protection or size of the
31  * top dictionary on the stack) must call this.
32  */
33 void dstack_set_top(dict_stack_t *);
34 
35 /* Check whether a dictionary is one of the permanent ones on the d-stack. */
36 bool dstack_dict_is_permanent(const dict_stack_t *, const ref *);
37 
38 #endif /* iddstack_INCLUDED */
39