/*
list.h -- header file for list.c
Copyright (C) 2000-2005 Ivo Timmermans
- 2000-2006 Guus Sliepen <guus@tinc-vpn.org>
+ 2000-2012 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
extern list_node_t *list_insert_after(list_t *, list_node_t *, void *);
extern list_node_t *list_insert_before(list_t *, list_node_t *, void *);
+extern void list_delete(list_t *, const void *);
+
extern void list_unlink_node(list_t *, list_node_t *);
extern void list_delete_node(list_t *, list_node_t *);
extern void list_foreach(list_t *, list_action_t);
extern void list_foreach_node(list_t *, list_action_node_t);
-#endif /* __TINC_LIST_H__ */
+/*
+ Iterates over a list.
+
+ CAUTION: while this construct supports deleting the current item,
+ it does *not* support deleting *other* nodes while iterating on the list.
+ */
+#define list_each(type, item, list) (type *item = (type *)1; item; item = NULL) for(list_node_t *node = (list)->head, *next; item = node ? node->data : NULL, next = node ? node->next : NULL, node; node = next)
+
+#endif /* __TINC_LIST_H__ */