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- /* Copyright (C) 1999 Aladdin Enterprises. All rights reserved.
-
- This file is part of AFPL Ghostscript.
-
- AFPL Ghostscript is distributed with NO WARRANTY OF ANY KIND. No author or
- distributor accepts any responsibility for the consequences of using it, or
- for whether it serves any particular purpose or works at all, unless he or
- she says so in writing. Refer to the Aladdin Free Public License (the
- "License") for full details.
-
- Every copy of AFPL Ghostscript must include a copy of the License, normally
- in a plain ASCII text file named PUBLIC. The License grants you the right
- to copy, modify and redistribute AFPL Ghostscript, but only under certain
- conditions described in the License. Among other things, the License
- requires that the copyright notice and this notice be preserved on all
- copies.
- */
-
- /*$Id: idosave.h,v 1.2 2000/09/19 19:00:43 lpd Exp $ */
- /* Supporting procedures for 'save' recording. */
-
- #ifndef idosave_INCLUDED
- # define idosave_INCLUDED
-
- /*
- * Save a change that must be undone by restore. We have to pass the
- * pointer to the containing object to alloc_save_change for two reasons:
- *
- * - We need to know which VM the containing object is in, so we can
- * know on which chain of saved changes to put the new change.
- *
- * - We need to know whether the object is an array of refs (which
- * includes dictionaries) or a struct, so we can properly trace and
- * relocate the pointer to it from the change record during garbage
- * collection.
- */
- int alloc_save_change(P4(gs_dual_memory_t *dmem, const ref *pcont,
- ref_packed *ptr, client_name_t cname));
- int alloc_save_change_in(P4(gs_ref_memory_t *mem, const ref *pcont,
- ref_packed *ptr, client_name_t cname));
-
- #endif /* idosave_INCLUDED */
-