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1 | /* -*-c-*- |
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2 | * |
3 | * Abstraction for memory allocation arenas |
4 | * |
5 | * (c) 2000 Straylight/Edgeware |
6 | */ |
7 | |
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8 | /*----- Licensing notice --------------------------------------------------* |
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9 | * |
10 | * This file is part of Catacomb. |
11 | * |
12 | * Catacomb is free software; you can redistribute it and/or modify |
13 | * it under the terms of the GNU Library General Public License as |
14 | * published by the Free Software Foundation; either version 2 of the |
15 | * License, or (at your option) any later version. |
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16 | * |
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17 | * Catacomb is distributed in the hope that it will be useful, |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
20 | * GNU Library General Public License for more details. |
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21 | * |
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22 | * You should have received a copy of the GNU Library General Public |
23 | * License along with Catacomb; if not, write to the Free |
24 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
25 | * MA 02111-1307, USA. |
26 | */ |
27 | |
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28 | #ifndef CATACOMB_ARENA_H |
29 | #define CATACOMB_ARENA_H |
30 | |
31 | #ifdef __cplusplus |
32 | extern "C" { |
33 | #endif |
34 | |
35 | /*----- Header files ------------------------------------------------------*/ |
36 | |
37 | #include <mLib/arena.h> |
38 | #include <mLib/sub.h> |
39 | |
40 | /*----- Global variables --------------------------------------------------*/ |
41 | |
42 | extern arena *arena_secure; |
43 | extern subarena *arena_subsecure; |
44 | |
45 | /*----- Handy macros ------------------------------------------------------*/ |
46 | |
47 | #define S_ALLOC(sz) A_ALLOC(arena_secure, sz) |
48 | #define S_FREE(sz) A_FREE(arena_secure, sz) |
49 | |
50 | #define XS_ALLOC(sz) x_alloc(arena_secure, sz) |
51 | #define XS_REALLOC(p, sz) x_realloc(arena_secure, p, sz) |
52 | #define XS_FREE(p) x_free(arena_secure, p) |
53 | |
54 | #define S_CREATE(type) A_CREATE(arena_subsecure, type) |
55 | #define S_DESTROY(p) A_DESTROY(arena_subsecure, p) |
56 | |
57 | /*----- Functions provided ------------------------------------------------*/ |
58 | |
59 | /* --- @arena_setsecure@ --- * |
60 | * |
61 | * Arguments: @arena *a@ = arena to use for secure allocation |
62 | * |
63 | * Returns: --- |
64 | * |
65 | * Use: Call at the beginning of the program to set the arena for |
66 | * secure allocations. |
67 | */ |
68 | |
69 | extern void arena_setsecure(arena */*a*/); |
70 | |
71 | /*----- That's all, folks -------------------------------------------------*/ |
72 | |
73 | #ifdef __cplusplus |
74 | } |
75 | #endif |
76 | |
77 | #endif |