609df31a |
1 | /* -*-c-*- |
2 | * |
3 | * $Id: arena.c,v 1.1 2000/06/17 10:40:10 mdw Exp $ |
4 | * |
5 | * Abstraction for memory allocation arenas |
6 | * |
7 | * (c) 2000 Straylight/Edgeware |
8 | */ |
9 | |
10 | /*----- Licensing notice --------------------------------------------------* |
11 | * |
12 | * This file is part of Catacomb. |
13 | * |
14 | * Catacomb is free software; you can redistribute it and/or modify |
15 | * it under the terms of the GNU Library General Public License as |
16 | * published by the Free Software Foundation; either version 2 of the |
17 | * License, or (at your option) any later version. |
18 | * |
19 | * Catacomb is distributed in the hope that it will be useful, |
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
22 | * GNU Library General Public License for more details. |
23 | * |
24 | * You should have received a copy of the GNU Library General Public |
25 | * License along with Catacomb; if not, write to the Free |
26 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
27 | * MA 02111-1307, USA. |
28 | */ |
29 | |
30 | /*----- Revision history --------------------------------------------------* |
31 | * |
32 | * $Log: arena.c,v $ |
33 | * Revision 1.1 2000/06/17 10:40:10 mdw |
34 | * Support for secure memory arenas. |
35 | * |
36 | */ |
37 | |
38 | /*----- Header files ------------------------------------------------------*/ |
39 | |
40 | #include <mLib/arena.h> |
41 | #include <mLib/sub.h> |
42 | |
43 | #include "arena.h" |
44 | |
45 | /*----- Global variables --------------------------------------------------*/ |
46 | |
47 | arena *arena_secure = &arena_stdlib; |
48 | subarena *arena_subsecure = &sub_global; |
49 | |
50 | /*----- Static variables --------------------------------------------------*/ |
51 | |
52 | static subarena sub; |
53 | |
54 | /*----- Main code ---------------------------------------------------------*/ |
55 | |
56 | /* --- @arena_setsecure@ --- * |
57 | * |
58 | * Arguments: @arena *a@ = arena to use for secure allocation |
59 | * |
60 | * Returns: --- |
61 | * |
62 | * Use: Call at the beginning of the program to set the arena for |
63 | * secure allocations. |
64 | */ |
65 | |
66 | void arena_setsecure(arena *a) |
67 | { |
68 | arena_secure = a; |
69 | subarena_create(&sub, a); |
70 | arena_subsecure = ⊂ |
71 | } |
72 | |
73 | /*----- That's all, folks -------------------------------------------------*/ |