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-rw-r--r--include/list.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/list.h b/include/list.h
index 75d29212..9c4da817 100644
--- a/include/list.h
+++ b/include/list.h
@@ -33,6 +33,17 @@ static inline void init_list_head(struct list_head *list)
list->prev = list;
}
+/**
+ * list_is_first -- tests whether @list is the first entry in list @head
+ * @list: the entry to test
+ * @head: the head of the list
+ */
+static inline int list_is_first(const struct list_head *list,
+ const struct list_head *head)
+{
+ return list->prev == head;
+}
+
/*
* Insert a new entry between two known consecutive entries.
*