1 /* Copyright (C) 2001-2012 Artifex Software, Inc. 2 All Rights Reserved. 3 4 This software is provided AS-IS with no warranty, either express or 5 implied. 6 7 This software is distributed under license and may not be copied, 8 modified or distributed except as expressly authorized under the terms 9 of the license contained in the file LICENSE in this distribution. 10 11 Refer to licensing information at http://www.artifex.com or contact 12 Artifex Software, Inc., 7 Mt. Lassen Drive - Suite A-134, San Rafael, 13 CA 94903, U.S.A., +1(415)492-9861, for further information. 14 */ 15 16 17 /* Parameter structure for expandable stacks of refs */ 18 19 #ifndef istkparm_INCLUDED 20 # define istkparm_INCLUDED 21 22 /* 23 * Define the structure for stack parameters set at initialization. 24 */ 25 /*typedef struct ref_stack_params_s ref_stack_params_t;*/ /* in istack.h */ 26 struct ref_stack_params_s { 27 uint bot_guard; /* # of guard elements below bot */ 28 uint top_guard; /* # of guard elements above top */ 29 uint block_size; /* size of each block */ 30 uint data_size; /* # of data slots in each block */ 31 ref guard_value; /* t__invalid or t_operator, */ 32 /* bottom guard value */ 33 int underflow_error; /* error code for underflow */ 34 int overflow_error; /* error code for overflow */ 35 bool allow_expansion; /* if false, don't expand */ 36 }; 37 #define private_st_ref_stack_params() /* in istack.c */\ 38 gs_private_st_simple(st_ref_stack_params, ref_stack_params_t,\ 39 "ref_stack_params_t") 40 41 #endif /* istkparm_INCLUDED */ 42