X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Flist.h;h=5f4a4097aa35c6ed2cd0865c9dbf679035760080;hb=f6e87ab476a0faf8b124ecaaa27f967d825e6457;hp=a45803995bdce3e6fe3f5a273a0015aa16b2834e;hpb=4574b04f79d79d53492b7e0eb592d64ff9b2362b;p=tinc

diff --git a/src/list.h b/src/list.h
index a4580399..5f4a4097 100644
--- a/src/list.h
+++ b/src/list.h
@@ -1,7 +1,10 @@
+#ifndef TINC_LIST_H
+#define TINC_LIST_H
+
 /*
     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
@@ -18,9 +21,6 @@
     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;
@@ -45,7 +45,7 @@ typedef struct list_t {
 
 /* (De)constructors */
 
-extern list_t *list_alloc(list_action_t) __attribute__ ((__malloc__));
+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 *);
@@ -55,6 +55,9 @@ extern void list_free_node(list_t *, list_node_t *);
 extern list_node_t *list_insert_head(list_t *, void *);
 extern list_node_t *list_insert_tail(list_t *, void *);
 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 *);
@@ -76,4 +79,12 @@ extern void list_delete_list(list_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