From 6ba7fb7c5cdcdfa6f32dd1a97c3ab235ffe54616 Mon Sep 17 00:00:00 2001
From: Michael Brown
Date: Tue, 8 May 2012 10:46:39 +0100
Subject: [list] Add list_last_entry()

Signed-off-by: Michael Brown <mcb30@ipxe.org>
---
 src/include/ipxe/list.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'src/include')

diff --git a/src/include/ipxe/list.h b/src/include/ipxe/list.h
index 4daf12b2e..b14a83d70 100644
--- a/src/include/ipxe/list.h
+++ b/src/include/ipxe/list.h
@@ -324,6 +324,19 @@ static inline void list_splice_tail_init ( struct list_head *list,
 	  ( type * ) NULL :				\
 	  list_entry ( (list)->next, type, member ) )
 
+/**
+ * Get the container of the last entry in a list
+ *
+ * @v list		List head
+ * @v type		Containing type
+ * @v member		Name of list field within containing type
+ * @ret first		First list entry, or NULL
+ */
+#define list_last_entry( list, type, member )		\
+	( list_empty ( (list) ) ?			\
+	  ( type * ) NULL :				\
+	  list_entry ( (list)->prev, type, member ) )
+
 /**
  * Iterate over a list
  *
-- 
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