1 /**
2 * collectd - src/utils_llist.h
3 * Copyright (C) 2006 Florian Forster <octo at verplant.org>
4 *
5 * This program is free software; you can redistribute it and/
6 * or modify it under the terms of the GNU General Public Li-
7 * cence as published by the Free Software Foundation; only
8 * version 2 of the Licence is applicable.
9 *
10 * This program is distributed in the hope that it will be use-
11 * ful, but WITHOUT ANY WARRANTY; without even the implied war-
12 * ranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 * See the GNU General Public Licence for more details.
14 *
15 * You should have received a copy of the GNU General Public
16 * Licence along with this program; if not, write to the Free
17 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139,
18 * USA.
19 *
20 * Authors:
21 * Florian Forster <octo at verplant.org>
22 */
24 #ifndef UTILS_LLIST_H
25 #define UTILS_LLIST_H 1
27 /*
28 * Data types
29 */
30 struct llentry_s
31 {
32 char *key;
33 void *value;
34 struct llentry_s *next;
35 };
36 typedef struct llentry_s llentry_t;
38 struct llist_s;
39 typedef struct llist_s llist_t;
41 /*
42 * Functions
43 */
44 llist_t *llist_create (void);
45 void llist_destroy (llist_t *l);
47 llentry_t *llentry_create (char *key, void *value);
48 void llentry_destroy (llentry_t *e);
50 void llist_append (llist_t *l, llentry_t *e);
51 void llist_prepend (llist_t *l, llentry_t *e);
52 void llist_remove (llist_t *l, llentry_t *e);
54 int llist_size (llist_t *l);
56 llentry_t *llist_search (llist_t *l, const char *key);
57 llentry_t *llist_search_custom (llist_t *l,
58 int (*compare) (llentry_t *, void *), void *user_data);
60 llentry_t *llist_head (llist_t *l);
61 llentry_t *llist_tail (llist_t *l);
63 #endif /* UTILS_LLIST_H */