mqtt client release v1.1.0 ...

components/connectivity/mqttclient/common/mqtt_list.c

@@ -0,0 +1,72 @@
+/*
+ * @Author: jiejie
+ * @Github: https://github.com/jiejieTop
+ * @Date: 2019-12-11 22:46:33
+ * @LastEditTime: 2020-04-27 23:28:12
+ * @Description: the following code references TencentOS tiny, please keep the author information and source code according to the license.
+ */
+
+# include "mqtt_list.h"
+
+static void _mqtt_list_add(mqtt_list_t *node, mqtt_list_t *prev, mqtt_list_t *next)
+{
+    next->prev = node;
+    node->next = next;
+    node->prev = prev;
+    prev->next = node;
+}
+
+static void _mqtt_list_del(mqtt_list_t *prev, mqtt_list_t *next)
+{
+    next->prev = prev;
+    prev->next = next;
+}
+
+static void _mqtt_list_del_entry(mqtt_list_t *entry)
+{
+    _mqtt_list_del(entry->prev, entry->next);
+}
+
+void mqtt_list_init(mqtt_list_t *list)
+{
+    list->next = list;
+    list->prev = list;
+}
+
+void mqtt_list_add(mqtt_list_t *node, mqtt_list_t *list)
+{
+    _mqtt_list_add(node, list, list->next);
+}
+
+void mqtt_list_add_tail(mqtt_list_t *node, mqtt_list_t *list)
+{
+    _mqtt_list_add(node, list->prev, list);
+}
+
+void mqtt_list_del(mqtt_list_t *entry)
+{
+    _mqtt_list_del(entry->prev, entry->next);
+}
+
+void mqtt_list_del_init(mqtt_list_t *entry)
+{
+    _mqtt_list_del_entry(entry);
+    mqtt_list_init(entry);
+}
+
+void mqtt_list_move(mqtt_list_t *node, mqtt_list_t *list)
+{
+    _mqtt_list_del_entry(node);
+    mqtt_list_add(node, list);
+}
+
+void mqtt_list_move_tail(mqtt_list_t *node, mqtt_list_t *list)
+{
+    _mqtt_list_del_entry(node);
+    mqtt_list_add_tail(node, list);
+}
+
+int mqtt_list_is_empty(mqtt_list_t *list)
+{
+    return list->next == list;
+}