| /* Copyright (C) 1989, 1990 Aladdin Enterprises. All rights reserved. |
| Distributed by Free Software Foundation, Inc. |
| |
| This file is part of Ghostscript. |
| |
| Ghostscript is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY. No author or distributor accepts responsibility |
| to anyone for the consequences of using it or for whether it serves any |
| particular purpose or works at all, unless he says so in writing. Refer |
| to the Ghostscript General Public License for full details. |
| |
| Everyone is granted permission to copy, modify and redistribute |
| Ghostscript, but only under the conditions described in the Ghostscript |
| General Public License. A copy of this license is supposed to have been |
| given to you along with Ghostscript so you can know your rights and |
| responsibilities. It should be in a file named COPYING. Among other |
| things, the copyright notice and this notice must be preserved on all |
| copies. */ |
| |
| /* alloc.h */ |
| /* Interface to GhostScript memory allocator */ |
| |
| /* Ordinary allocator interface */ |
| void alloc_init(P3(proc_alloc_t, proc_free_t, uint)); |
| char *alloc(P3(uint num_elts, uint elt_size, char *client_name)); |
| void alloc_free(P4(char *data, uint num_elts, uint elt_size, char *client_name)); |
| void alloc_status(P2(long *, long *)); |
| |
| /* Dynamic allocation */ |
| /* Note that these procedures use byte * rather than char * */ |
| /****** SOME OF THESE PROCEDURES ARE OBSOLETE. ******/ |
| #define alloc_dynamic(ne, esize, cname) (byte *)(alloc(ne, esize, cname)) |
| byte *alloc_grow(P5(byte *data, uint old_num, uint new_num, uint elt_size, char *client_name)); |
| byte *alloc_shrink(P5(byte *data, uint old_num, uint new_num, uint elt_size, char *client_name)); |
| |
| /* Store checking / change saving */ |
| /****** THIS INTERFACE HAS NO EFFECT YET. DON'T USE IT. ******/ |
| int alloc_save_change(P2(char *, uint)); /* <0 if can't alloc */ |
| |
| /* Save and restore state */ |
| /****** THIS INTERFACE IS NOT IMPLEMENTED YET. DON'T USE IT. ******/ |
| typedef struct alloc_save_s alloc_save; |
| alloc_save *alloc_save_state(P0()); /* 0 if can't alloc save block */ |
| int alloc_save_level(P0()); |
| int alloc_is_since_save(P2(char *, alloc_save *)); |
| int alloc_restore_state_check(P1(alloc_save *)); /* 0 if OK, <0 if not */ |
| void alloc_restore_state(P1(alloc_save *)); |
