--- /dev/null
+/*
+ list.h -- header file for list.c
+ Copyright (C) 2000-2005 Ivo Timmermans
+ 2000-2006 Guus Sliepen <guus@tinc-vpn.org>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef __TINC_LIST_H__
+#define __TINC_LIST_H__
+
+typedef struct list_node_t {
+ struct list_node_t *prev;
+ struct list_node_t *next;
+
+ /* Payload */
+
+ void *data;
+} list_node_t;
+
+typedef void (*list_action_t)(const void *);
+typedef void (*list_action_node_t)(const list_node_t *);
+
+typedef struct list_t {
+ list_node_t *head;
+ list_node_t *tail;
+ int count;
+
+ /* Callbacks */
+
+ list_action_t delete;
+} list_t;
+
+/* (De)constructors */
+
+extern list_t *list_alloc(list_action_t) __attribute__ ((__malloc__));
+extern void list_free(list_t *);
+extern list_node_t *list_alloc_node(void);
+extern void list_free_node(list_t *, list_node_t *);
+
+/* Insertion and deletion */
+
+extern list_node_t *list_insert_head(list_t *, void *);
+extern list_node_t *list_insert_tail(list_t *, void *);
+
+extern void list_unlink_node(list_t *, list_node_t *);
+extern void list_delete_node(list_t *, list_node_t *);
+
+extern void list_delete_head(list_t *);
+extern void list_delete_tail(list_t *);
+
+/* Head/tail lookup */
+
+extern void *list_get_head(list_t *);
+extern void *list_get_tail(list_t *);
+
+/* Fast list deletion */
+
+extern void list_delete_list(list_t *);
+
+/* Traversing */
+
+extern void list_foreach(list_t *, list_action_t);
+extern void list_foreach_node(list_t *, list_action_node_t);
+
+#endif /* __TINC_LIST_H__ */