避免elem的next不为空导致的插入一个链表而非结点

2019-11-02 15:14:51 +08:00 · 2019-11-02 15:14:51 +08:00 · 16ed6a71e7
commit 16ed6a71e7
parent e0e4e68e6e
1 changed files with 1 additions and 2 deletions
--- a/c-cpp/06_linkedlist/single_list.c
+++ b/c-cpp/06_linkedlist/single_list.c
@ -31,8 +31,7 @@ void insert(struct single_list **prev, struct single_list *elem)
 	if (!prev)
 		return;

-	if (*prev)
-		elem->next = *prev;
+	elem->next = *prev;
 	*prev = elem;
 }