1 /*
2 * jabberd - Jabber Open Source Server
3 * Copyright (c) 2002 Jeremie Miller, Thomas Muldowney,
4 * Ryan Eatmon, Robert Norris
5 *
6 * This program 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 2 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 this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA02111-1307USA
19 */
20
21 #include "sm.h"
22
23 /** @file sm/feature.c
24 * @brief feature registration
25 * @author Robert Norris
26 * $Date: 2005/08/17 11:10:12 $
27 * $Revision: 1.9 $
28 */
29
30 /*
31 * these are simple wrappers around xhash for the moment. perhaps a little
32 * redundant, but they will give a good abstraction, and make it easier to
33 * add stuff in the future .. f-neg comes to mind.
34 */
35
36 /** register a feature */
feature_register(sm_t sm,const char * feature)37 void feature_register(sm_t sm, const char *feature)
38 {
39 log_debug(ZONE, "registering feature %s", feature);
40
41 xhash_put(sm->features, pstrdup(xhash_pool(sm->features), feature), (void *) ((long) xhash_get(sm->features, feature) + 1));
42 }
43
44 /** unregister feature */
feature_unregister(sm_t sm,const char * feature)45 void feature_unregister(sm_t sm, const char *feature)
46 {
47 int refcount = (int) (long) xhash_get(sm->features, feature);
48
49 log_debug(ZONE, "unregistering feature %s", feature);
50
51 if (refcount == 1) {
52 xhash_zap(sm->features, feature);
53 } else if (refcount > 1) {
54 xhash_put(sm->features, feature, (void *) ((long) refcount - 1));
55 }
56 }
57