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-rw-r--r--src/avl.h12
1 files changed, 6 insertions, 6 deletions
diff --git a/src/avl.h b/src/avl.h
index 973d68fb1..d30be0dd8 100644
--- a/src/avl.h
+++ b/src/avl.h
@@ -56,16 +56,16 @@ typedef struct avl_tree_lock {
* a is linked directly to the tree, so it has to
* be properly allocated by the caller.
*/
-avl *avl_insert_lock(avl_tree_lock *t, avl *a);
-avl *avl_insert(avl_tree *t, avl *a);
+avl *avl_insert_lock(avl_tree_lock *t, avl *a) NEVERNULL WARNUNUSED;
+avl *avl_insert(avl_tree *t, avl *a) NEVERNULL WARNUNUSED;
/* Remove an element a from the AVL tree t
* returns a pointer to the removed element
* or NULL if an element equal to a is not found
* (equal as returned by t->compar())
*/
-avl *avl_remove_lock(avl_tree_lock *t, avl *a);
-avl *avl_remove(avl_tree *t, avl *a);
+avl *avl_remove_lock(avl_tree_lock *t, avl *a) WARNUNUSED;
+avl *avl_remove(avl_tree *t, avl *a) WARNUNUSED;
/* Find the element into the tree that equal to a
* (equal as returned by t->compar())
@@ -80,7 +80,7 @@ void avl_init_lock(avl_tree_lock *t, int (*compar)(void *a, void *b));
void avl_init(avl_tree *t, int (*compar)(void *a, void *b));
-void avl_traverse_lock(avl_tree_lock *t, void (*callback)(void *));
-void avl_traverse(avl_tree *t, void (*callback)(void *));
+int avl_traverse_lock(avl_tree_lock *t, int (*callback)(void *entry, void *data), void *data);
+int avl_traverse(avl_tree *t, int (*callback)(void *entry, void *data), void *data);
#endif /* avl.h */