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1 | /* eventhooks.h - Event hooks |
2 | * Copyright 2000-2024 Evilnet Development | |
3 | * | |
4 | * This file is part of x3. | |
5 | * | |
6 | * x3 is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with srvx; if not, write to the Free Software Foundation, | |
18 | * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. | |
19 | */ | |
20 | ||
21 | #ifndef INCLUDED_eventhooks_h | |
22 | #define INCLUDED_eventhooks_h | |
23 | ||
24 | #define EH_ADD_HEAD 1 | |
25 | #define EH_ADD_TAIL -1 | |
26 | #define EH_ADD_DEFAULT 0 | |
27 | ||
28 | #define DEFINE_EH_FUNC_LIST(l, d, cf) struct eh_func_list l = {NULL, NULL, d, 0, cf} | |
29 | #define INIT_EH_FUNC_LIST(d) {NULL, NULL, d, 0} | |
30 | ||
31 | #define EH_CONT 0 | |
32 | #define EH_STOP 1 | |
33 | ||
34 | struct eh_func; | |
35 | ||
36 | typedef int (*eh_func_t) (void *extra, void *callextra); | |
37 | typedef void (*eh_clean_func_t) (struct eh_func *ehf); | |
38 | ||
39 | struct eh_func { | |
40 | struct eh_func *next; | |
41 | eh_func_t func; | |
42 | void *extra; | |
43 | }; | |
44 | ||
45 | struct eh_func_list { | |
46 | struct eh_func *head; | |
47 | struct eh_func *tail; | |
48 | int add_default; | |
49 | int count; | |
50 | eh_clean_func_t clean; | |
51 | }; | |
52 | ||
53 | struct eh_func_list *init_hook_func_list(struct eh_func_list *list, int defpos); | |
54 | void reg_hook_func(struct eh_func_list *list, eh_func_t func, void *extra); | |
55 | void reg_hook_func_pos(struct eh_func_list *list, eh_func_t func, void *extra, int pos); | |
56 | void unreg_hook_func(struct eh_func_list *list, eh_func_t func, void *extra); | |
57 | void free_hook_func_list(struct eh_func_list *list); | |
58 | void call_hook_func_noargs(struct eh_func_list *list); | |
59 | void call_hook_func_args(struct eh_func_list *list, void *callextra); | |
60 | ||
61 | #endif /* INCLUDED_eventhooks_h */ |