From 4d12d1de23ae2def143df06b7f29d64f577900c8 Mon Sep 17 00:00:00 2001
From: Ivan Leichenko <ivan.leichenko@student.tuke.sk>
Date: Thu, 17 Oct 2024 23:08:28 +0200
Subject: [PATCH] no NULL? cv4

---
 cv4/a_train.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cv4/a_train.c b/cv4/a_train.c
index bfc56f4..4e252b2 100644
--- a/cv4/a_train.c
+++ b/cv4/a_train.c
@@ -89,6 +89,7 @@ struct car* clear_train(struct car* first, const char* target)
         else if(!strcmp(prev->next->value, target))
         {
             free(prev->next);
+            prev->next = NULL;
             return first;
         }
         else