[DTrace-devel] [PATCH 1/8] list: add dt_list_empty()

[Kris Van Hees]

Signed-off-by: Kris Van Hees <kris.van.hees at oracle.com>
---
 libcommon/dt_list.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libcommon/dt_list.h b/libcommon/dt_list.h
index e6d4c863..ffe0b963 100644
--- a/libcommon/dt_list.h
+++ b/libcommon/dt_list.h
@@ -19,6 +19,7 @@ typedef struct dt_list {
 
 #define	dt_list_prev(elem)	((void *)(((dt_list_t *)(elem))->dl_prev))
 #define	dt_list_next(elem)	((void *)(((dt_list_t *)(elem))->dl_next))
+#define dt_list_empty(elem)	(dt_list_next(elem) == NULL)
 
 #define dt_in_list(l, e)	(dt_list_next(l) == (e) || dt_list_prev(e))
 
-- 
2.52.0