From 930cac261bac86957e67e260a5417a5fbc218a2f Mon Sep 17 00:00:00 2001
From: lifegpc <g1710431395@gmail.com>
Date: Tue, 19 Apr 2022 09:18:03 +0800
Subject: [PATCH] Fix bug in linked_list_remove_before

---
 linked_list.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/linked_list.h b/linked_list.h
index e23d16e..27489bd 100644
--- a/linked_list.h
+++ b/linked_list.h
@@ -338,13 +338,15 @@ void linked_list_remove(struct LinkedList<T>*& node, void(*free_func)(T) = nullp
     }
     if (free_func) free_func(node->d);
     free(node);
+    node = nullptr;
 }
 
 template <typename T>
 void linked_list_remove_before(struct LinkedList<T>* node, void(*free_func)(T) = nullptr) {
     if (!node) return;
     while (node->prev) {
-        linked_list_remove(node->prev, free_func);
+        struct LinkedList<T>* cur = node->prev;
+        linked_list_remove(cur, free_func);
     }
 }