.......PS. [ZBXNEXT-6503] added protection of Zabbix Server from overloading by proxy data

1 files changed, 43 insertions, 0 deletions

diff --git a/include/zbxalgo.h b/include/zbxalgo.h
index 4e016a9171c..a3ac1de008c 100644
--- a/include/zbxalgo.h
+++ b/include/zbxalgo.h
@@ -413,6 +413,49 @@ void	zbx_queue_ptr_push(zbx_queue_ptr_t *queue, void *value);
 void	*zbx_queue_ptr_pop(zbx_queue_ptr_t *queue);
 void	zbx_queue_ptr_remove_value(zbx_queue_ptr_t *queue, const void *value);
 
+/* list item data */
+typedef struct list_item
+{
+	struct list_item	*next;
+	void			*data;
+}
+zbx_list_item_t;
+
+/* list data */
+typedef struct
+{
+	zbx_list_item_t		*head;
+	zbx_list_item_t		*tail;
+	zbx_mem_malloc_func_t	mem_malloc_func;
+	zbx_mem_realloc_func_t	mem_realloc_func;
+	zbx_mem_free_func_t	mem_free_func;
+}
+zbx_list_t;
+
+/* queue item data */
+typedef struct
+{
+	zbx_list_t		*list;
+	zbx_list_item_t		*current;
+	zbx_list_item_t		*next;
+}
+zbx_list_iterator_t;
+
+void	zbx_list_create(zbx_list_t *queue);
+void	zbx_list_create_ext(zbx_list_t *queue, zbx_mem_malloc_func_t mem_malloc_func, zbx_mem_free_func_t mem_free_func);
+void	zbx_list_destroy(zbx_list_t *list);
+void	zbx_list_append(zbx_list_t *list, void *value, zbx_list_item_t **inserted);
+void	zbx_list_insert_after(zbx_list_t *list, zbx_list_item_t *after, void *value, zbx_list_item_t **inserted);
+void	zbx_list_prepend(zbx_list_t *list, void *value, zbx_list_item_t **inserted);
+int	zbx_list_pop(zbx_list_t *list, void **value);
+int	zbx_list_peek(const zbx_list_t *list, void **value);
+void	zbx_list_iterator_init(zbx_list_t *list, zbx_list_iterator_t *iterator);
+int	zbx_list_iterator_next(zbx_list_iterator_t *iterator);
+int	zbx_list_iterator_peek(const zbx_list_iterator_t *iterator, void **value);
+void	zbx_list_iterator_clear(zbx_list_iterator_t *iterator);
+int	zbx_list_iterator_equal(const zbx_list_iterator_t *iterator1, const zbx_list_iterator_t *iterator2);
+int	zbx_list_iterator_isset(const zbx_list_iterator_t *iterator);
+void	zbx_list_iterator_update(zbx_list_iterator_t *iterator);
 
 
 #endif