X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=lib%2Flist%2Flist.h;h=6000320da3e38ee1e05f4b7e7298d91599481d97;hb=e0040f05dd45c84214bfdef5d4c6eacf9586aa7b;hp=7f9955f93115e2761fbe1b0ec94398480d40e8a8;hpb=b8e57298d53e38d660128a795a4c12ecccfde964;p=petitboot

diff --git a/lib/list/list.h b/lib/list/list.h
index 7f9955f..6000320 100644
--- a/lib/list/list.h
+++ b/lib/list/list.h
@@ -40,14 +40,22 @@ struct list {
 #define list_for_each_entry_continue(_list, _pos, _member) \
 	for (; _pos; _pos = list_next_entry(_list, _pos, _member))
 
+#define list_for_each_entry_safe(_list, _pos, _tmp, _member) \
+	for (_pos = list_entry((_list)->head.next, typeof(*_pos), _member, _list), \
+		_tmp = list_entry(_pos->_member.next, typeof(*_pos), _member, _list); \
+	_pos; \
+	_pos = _tmp, \
+	_tmp = _tmp ? list_entry(_tmp->_member.next, typeof(*_pos), _member, _list) : NULL)
 
-#define STATIC_LIST(_list) static struct list _list = { \
+#define DEFINE_LIST(_list) struct list _list = { \
 	.head = { \
 		.next = &_list.head, \
 		.prev = &_list.head \
 	} \
 }
 
+#define STATIC_LIST(_list) static DEFINE_LIST(_list)
+
 void list_init(struct list *list);
 void list_insert_before(struct list_item *next, struct list_item *item);
 void list_insert_after(struct list_item *prev, struct list_item *item);