/*
list.h -- header file for list.c
- Copyright (C) 2000 Ivo Timmermans <itimmermans@bigfoot.com>
- 2000 Guus Sliepen <guus@sliepen.warande.net>
+ Copyright (C) 2000,2001 Ivo Timmermans <itimmermans@bigfoot.com>
+ 2000,2001 Guus Sliepen <guus@sliepen.warande.net>
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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: list.h,v 1.1.2.1 2000/11/15 22:04:48 zarq Exp $
+ $Id: list.h,v 1.1.2.4 2001/01/07 17:08:50 guus Exp $
*/
#ifndef __TINC_LIST_H__
#define __TINC_LIST_H__
-typedef struct list_callbacks_t {
- int (*delete) (void *);
-} list_callbacks_t;
-
-typedef struct list_node_t {
- void *data;
+typedef struct list_node_t
+{
struct list_node_t *prev;
struct list_node_t *next;
+
+ /* Payload */
+
+ void *data;
} list_node_t;
-typedef struct list_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;
- list_callbacks_t *callbacks;
+
+ /* Callbacks */
+
+ list_action_t delete;
} list_t;
+/* (De)constructors */
+
+extern list_t *list_alloc(list_action_t);
+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__ */