Add list iterators over list elements

Address the comments from armink@rt-thread
2018-07-11 17:14:44 +08:00 · 2018-07-11 17:14:44 +08:00 · 754b363839
commit 754b363839
parent 3b9dfc6aed
1 changed files with 3 additions and 3 deletions
--- a/include/rtservice.h
+++ b/include/rtservice.h
@ -278,7 +278,7 @@ rt_inline int rt_slist_isempty(rt_slist_t *l)
 * @head:   the head for your single list.
 */
 #define rt_slist_for_each(pos, head) \
-    for (pos = (head)->next; &pos->next != (head); pos = pos->next)
+    for (pos = (head)->next; pos != RT_NULL; pos = pos->next)

 /**
 * rt_slist_for_each_entry  -   iterate over single list of given type