[finsh]Align title and content in list_* cmd

components/finsh/cmd.c

@@ -222,7 +222,7 @@ static long _list_event(struct rt_list_node *list)
     maxlen = object_name_maxlen(list);
 
     rt_kprintf("%-*.s      set    suspend thread\n", maxlen, "event"); object_split(maxlen);
-    rt_kprintf(" ---------- --------------\n");
+    rt_kprintf(     "  ---------- --------------\n");
     for (node = list->next; node != list; node = node->next)
     {
         e = (struct rt_event *)(rt_list_entry(node, struct rt_object, list));
@@ -293,10 +293,14 @@ static long _list_mailbox(struct rt_list_node *list)
     int maxlen;
     struct rt_mailbox *m;
     struct rt_list_node *node;
+	int item_title_len;
+	const char *item_title = "mailbox";
 
+	item_title_len = rt_strlen(item_title);
     maxlen = object_name_maxlen(list);
+	if(maxlen < item_title_len) maxlen = item_title_len;
 
-    rt_kprintf("%-*.s  entry size suspend thread\n", maxlen, "mailbox"); object_split(maxlen);
+    rt_kprintf("%-*.s entry size suspend thread\n", maxlen, item_title); object_split(maxlen);
     rt_kprintf(     " ----  ---- --------------\n");
     for (node = list->next; node != list; node = node->next)
     {
@@ -340,10 +344,14 @@ static long _list_msgqueue(struct rt_list_node *list)
     int maxlen;
     struct rt_messagequeue *m;
     struct rt_list_node *node;
+	int item_title_len;
+	const char *item_title = "msgqueue";
 
+	item_title_len = rt_strlen(item_title);
     maxlen = object_name_maxlen(list);
+	if(maxlen < item_title_len) maxlen = item_title_len;
 
-    rt_kprintf("%-*.s entry suspend thread\n", maxlen, "msgqueue"); object_split(maxlen);
+    rt_kprintf("%-*.s entry suspend thread\n", maxlen, item_title); object_split(maxlen);
     rt_kprintf(     " ----  --------------\n");
     for (node = list->next; node != list; node = node->next)
     {
@@ -527,10 +535,14 @@ static long _list_device(struct rt_list_node *list)
         "Miscellaneous Device",
         "Unknown"
     };
+	int item_title_len;
+	const char *item_title = "device";
 	
+	item_title_len = rt_strlen(item_title);
     maxlen = object_name_maxlen(list);
+	if(maxlen < item_title_len) maxlen = item_title_len;
 
-    rt_kprintf("%-*.s   type                 ref count\n", maxlen, "device"); object_split(maxlen);
+    rt_kprintf("%-*.s         type         ref count\n", maxlen, item_title); object_split(maxlen);
     rt_kprintf(     " -------------------- ----------\n");
     for (node = list->next; node != list; node = node->next)
     {