Logging: Following streams by stderr is now configurable.

[libucw.git] / ucw / clists.h

diff --git a/ucw/clists.h b/ucw/clists.h
index 919abc0767ddaf53a10b33d9deb2426021a25e80..17d2201793b6b250f5c03e8465bc39dd358580b1 100644 (file)
--- a/ucw/clists.h
+++ b/ucw/clists.h
@@ -100,7 +100,7 @@ static inline int clist_empty(clist *l)
 #define CLIST_FOR_EACH_BACKWARDS(type,n,list) for(type n=(void*)(list).head.prev; (cnode*)(n) != &(list).head; n=(void*)((cnode*)(n))->prev)
 
 /**
- * Insert a new node just after the node @after. To insert a new head, use @clist_add_head() instead.
+ * Insert a new node just after the node @after. To insert at the head of the list, use @clist_add_head() instead.
  **/
 static inline void clist_insert_after(cnode *what, cnode *after)
 {
@@ -112,7 +112,7 @@ static inline void clist_insert_after(cnode *what, cnode *after)
 }
 
 /**
- * Insert a new node just before the node @before. To insert a new tail, use @clist_add_tail() instead.
+ * Insert a new node just before the node @before. To insert at the tail of the list, use @clist_add_tail() instead.
  **/
 static inline void clist_insert_before(cnode *what, cnode *before)
 {
@@ -189,6 +189,17 @@ static inline void clist_insert_list_after(clist *what, cnode *after)
     }
 }
 
+/**
+ * Move all items from a source list to a destination list. The source list
+ * becomes empty, the original contents of the destination list are destroyed.
+ **/
+static inline void clist_move(clist *to, clist *from)
+{
+  clist_init(to);
+  clist_insert_list_after(from, &to->head);
+  clist_init(from);
+}
+
 /**
  * Compute the number of nodes in @l. Beware linear time complexity.
  **/