Changeset 00aece0 in mainline for uspace/lib/c/include/adt/list.h

Timestamp:

2012-02-18T16:47:38Z (13 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

4449c6c

Parents:

bd5f3b7 (diff), f943dd3 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge mainline changes.

File:

• uspace/lib/c/include/adt/list.h (modified) (4 diffs)

uspace/lib/c/include/adt/list.h

@@ -72 +72 @@
 
 #define assert_link_not_used(link) \
-        assert((link)->prev == NULL && (link)->next == NULL)
+        assert(((link)->prev == NULL) && ((link)->next == NULL))
 
 /** Initialize doubly-linked circular list link
@@ -158 +158 @@
 static inline void list_remove(link_t *link)
 {
-        link->next->prev = link->prev;
-        link->prev->next = link->next;
+        if ((link->prev != NULL) && (link->next != NULL)) {
+                link->next->prev = link->prev;
+                link->prev->next = link->next;
+        }
+        
         link_initialize(link);
 }
@@ -170 +173 @@
  *
  */
-static inline int list_empty(list_t *list)
+static inline int list_empty(const list_t *list)
 {
         return (list->head.next == &list->head);
@@ -183 +186 @@
  *
  */
-static inline link_t *list_first(list_t *list)
+static inline link_t *list_first(const list_t *list)
 {
         return ((list->head.next == &list->head) ? NULL : list->head.next);