X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Flist.c;h=e341d45bd432e5cfe1178260eba1c276629f9b1f;hb=003ce655b7116d18c86a74c50391e54990346931;hp=227546e95f3bdbbeaa5e30c64783f0e18259d1f3;hpb=113269228827043aaca717b5fb11b055e09a4636;p=sliver-openvswitch.git

diff --git a/lib/list.c b/lib/list.c
index 227546e95..e341d45bd 100644
--- a/lib/list.c
+++ b/lib/list.c
@@ -101,6 +101,20 @@ list_moved(struct list *list)
     list->prev->next = list->next->prev = list;
 }
 
+/* Initializes 'dst' with the contents of 'src', compensating for moving it
+ * around in memory.  The effect is that, if 'src' was the head of a list, now
+ * 'dst' is the head of a list containing the same elements. */
+void
+list_move(struct list *dst, struct list *src)
+{
+    if (!list_is_empty(src)) {
+        *dst = *src;
+        list_moved(dst);
+    } else {
+        list_init(dst);
+    }
+}
+
 /* Removes 'elem' from its list and returns the element that followed it.
    Undefined behavior if 'elem' is not in a list. */
 struct list *