- fixed alot of bugs in child_proposal

- near to working state ;-)

Source/charon/utils/linked_list.c

@@ -360,6 +360,23 @@ static int get_count(private_linked_list_t *this)
 	return this->count;
 }
 
+/**
+ * Implementation of linked_list_t.call_on_items.
+ */
+static void call_on_items(private_linked_list_t *this, void(*func)(void*))
+{
+	iterator_t *iterator;
+	void *item;
+	
+	iterator = this->public.create_iterator(&(this->public),TRUE);
+	
+	while (iterator->has_next(iterator))
+	{
+		iterator->current(iterator, &item);
+		(*func)(item);
+	}
+	iterator->destroy(iterator);
+}
 
 /**
  * Implementation of linked_list_t.insert_first.
@@ -408,7 +425,10 @@ static status_t remove_first(private_linked_list_t *this, void **item)
 	}
 	this->first = element->next;
 
-	*item = element->value;
+	if (item != NULL)
+	{
+		*item = element->value;
+	}
 
 	this->count--;
 
@@ -478,7 +498,10 @@ static status_t remove_last(private_linked_list_t *this, void **item)
 	}
 	this->last = element->previous;
 
-	*item = element->value;
+	if (item != NULL)
+	{
+		*item = element->value;
+	}
 
 	this->count--;
 
@@ -649,6 +672,7 @@ linked_list_t *linked_list_create()
 
 	this->public.get_count = (int (*) (linked_list_t *)) get_count;
 	this->public.create_iterator = (iterator_t * (*) (linked_list_t *,bool )) create_iterator;
+	this->public.call_on_items = (void (*) (linked_list_t *, void(*func)(void*)))call_on_items;
 	this->public.get_first = (status_t (*) (linked_list_t *, void **item)) get_first;
 	this->public.get_last = (status_t (*) (linked_list_t *, void **item)) get_last;
 	this->public.insert_first = (void (*) (linked_list_t *, void *item)) insert_first;

Source/charon/utils/linked_list.h

@@ -64,6 +64,22 @@ struct linked_list_t {
 	 * @return				new iterator_t object
 	 */
 	iterator_t * (*create_iterator) (linked_list_t *linked_list, bool forward);
+	
+	/**
+	 * @brief Call a function with list element as argument.
+	 * 
+	 * This method accepts a function, which will be called for 
+	 * each list element once. The function must accept the list
+	 * element as the first argument. Handy for destruction of
+	 * list elements.
+	 * 
+	 * @todo Additional vararg which are passed to the 
+	 *		 function would be nice...
+	 * 
+	 * @param linked_list 	calling object
+	 * @param func			function to call
+	 */
+	void (*call_on_items) (linked_list_t *linked_list, void(*func)(void*));
 
 	/**
 	 * @brief Inserts a new item at the beginning of the list.
@@ -77,7 +93,7 @@ struct linked_list_t {
 	 * @brief Removes the first item in the list and returns its value.
 	 * 
 	 * @param linked_list 	calling object
-	 * @param[out] item 	returned value of first item
+	 * @param[out] item 	returned value of first item, or NULL
 	 * @return
 	 * 						- SUCCESS
 	 * 						- NOT_FOUND, if list is empty
@@ -143,7 +159,7 @@ struct linked_list_t {
 	 * @brief Removes the last item in the list and returns its value.
 	 * 
 	 * @param linked_list 	calling object
-	 * @param[out] item		item returned value of last item
+	 * @param[out] item		returned value of last item, or NULL
 	 * @return
 	 * 						- SUCCESS
 	 * 						- NOT_FOUND if list is empty
@@ -154,7 +170,7 @@ struct linked_list_t {
 	 * @brief Returns the value of the last list item without removing it.
 	 * 
 	 * @param linked_list 	calling object
-	 * @param[out] item		item returned value of last item
+	 * @param[out] item		returned value of last item
 	 * @return
 	 * 						- SUCCESS
 	 * 						- NOT_FOUND if list is empty