X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;f=list.h;h=78c302fa322fe6bc2dae2926e95e58189c10c944;hb=refs%2Fheads%2Fnext;hp=da66e6bd815e0e49032fbfa21c859d24bb314d86;hpb=23843f9886bed75f35ed4010f6f494a06b603b6e;p=paraslash.git

diff --git a/list.h b/list.h
index da66e6bd..82f5b36d 100644
--- a/list.h
+++ b/list.h
@@ -25,9 +25,11 @@ struct list_head {
 #define INITIALIZED_LIST_HEAD(name) struct list_head name = {&(name), &(name)}
 
 /** This must be called before using any other list functions. */
-#define INIT_LIST_HEAD(ptr) do { \
-	(ptr)->next = (ptr); (ptr)->prev = (ptr); \
-} while (0)
+static inline void init_list_head(struct list_head *head)
+{
+	head->next = head;
+	head->prev = head;
+}
 
 /**
  * Insert a new entry after the specified head.
@@ -84,13 +86,13 @@ static inline void list_del(struct list_head *entry)
 /**
  * Delete an entry from one list and add it as another list's head.
  *
- * \param list The entry to move.
+ * \param entry The entry to move.
  * \param head The head that will precede our entry.
  */
-static inline void list_move(struct list_head *list, struct list_head *head)
+static inline void list_move(struct list_head *entry, struct list_head *head)
 {
-        list_del(list);
-        para_list_add(list, head);
+        list_del(entry);
+        para_list_add(entry, head);
 }
 
 /**
@@ -103,6 +105,16 @@ static inline int list_empty(const struct list_head *head)
 	return head->next == head;
 }
 
+/**
+ * Test whether a list has just one entry.
+ *
+ * \param head The list to test.
+ */
+static inline int list_is_singular(const struct list_head *head)
+{
+	return !list_empty(head) && (head->next == head->prev);
+}
+
 /**
  * Get the struct in which this entry is embedded in.
  *
@@ -115,7 +127,7 @@ static inline int list_empty(const struct list_head *head)
 /**
  * Iterate over a list.
  *
- * \param pos A list head pointer which serves as the iterator.
+ * \param pos A struct pointer which serves as the iterator.
  * \param head The head of the list.
  * \param member The name of the list head member within the structure.
  */
@@ -127,8 +139,8 @@ static inline int list_empty(const struct list_head *head)
 /**
  * Iterate over list, safe against removal of list entry.
  *
- * \param pos The iterator.
- * \param n A list head pointer which is used as temporary storage.
+ * \param pos The iterator struct pointer.
+ * \param n A second struct pointer which is used as temporary storage.
  * \param head The head of the list.
  * \param member The name of the list head member within the structure.
  */
@@ -149,13 +161,5 @@ static inline int list_empty(const struct list_head *head)
  */
 #define list_first_entry(ptr, type, member) \
 	list_entry((ptr)->next, type, member)
-
-/**
- * Test whether a list has just one entry.
- *
- * \param head The list to test.
- */
-static inline int list_is_singular(const struct list_head *head)
-{
-	return !list_empty(head) && (head->next == head->prev);
-}
+#define list_last_entry(ptr, type, member) \
+	list_entry((ptr)->prev, type, member)