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Contents of /hopm/trunk/src/list.h

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Revision 5135 - (show annotations)
Thu Dec 25 18:51:51 2014 UTC (5 years, 5 months ago) by michael
File MIME type: text/x-csrc
File size: 1735 byte(s)
- propset svn:eol-style native

1 #ifndef LIST_H
2 #define LIST_H
3
4
5 /* Copyright (C) 2002 by the past and present ircd coders, and others.
6 * The following macros are adapted from Hybrid7 DLINK macros
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to
20 *
21 * The Free Software Foundation, Inc.
22 * 59 Temple Place - Suite 330
23 * Boston, MA 02111-1307, USA.
24 *
25 */
26
27 #define LIST_FOREACH(pos, head) for (pos = (head); pos != NULL; pos = pos->next)
28 #define LIST_FOREACH_SAFE(pos, n, head) for (pos = (head), n = pos ? pos->next : NULL; pos != NULL; pos = n, n = pos ? pos->next : NULL)
29 #define LIST_FOREACH_PREV(pos, head) for (pos = (head); pos != NULL; pos = pos->prev)
30 #define LIST_SIZE(list) list->elements
31 /* End Copyright/Hybrid Macros */
32
33
34 typedef struct _node node_t;
35 typedef struct _list list_t;
36
37 struct _list
38 {
39
40 struct _node *head;
41 struct _node *tail;
42
43 int elements;
44 };
45
46 struct _node
47 {
48
49 struct _node *next;
50 struct _node *prev;
51
52 void *data;
53 };
54
55
56
57 node_t *node_create(void *);
58 list_t *list_create(void);
59
60 node_t *list_add(list_t *, node_t *);
61 node_t *list_remove(list_t *, node_t *);
62
63 void list_free(list_t *);
64 void node_free(node_t *);
65
66 #endif /* LIST_H */

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