clear

cv5/a_train.c

@@ -66,20 +66,20 @@ struct car* clear_train(struct car* first, const char* target) {
     while(this->next != NULL){
         int x = strcmp(this->value, target);
         if(x == 0){ 
-            struct car* curr = first;
-            struct car* prev = NULL;
+            struct car* prev = first;
+            struct car* node = first->next;
             if(first == this){
                 first = this->next;
                 free(this);
                 return first;
             }
-            while(curr != this){
-                prev = curr;
-                curr = curr->next;
+            while(prev != NULL && node != NULL){
+                prev->next = node->next;
+                free(node);
+                prev = prev->next;
+                if(prev != NULL)
+                   node = prev->next;
             }
-            curr->next = prev->next;
-            this->next = NULL;
-            free(this);
      
         }
         this = this->next;