Created a "free_list" method to free up allocated memory.

linkedlist.c

@@ -48,8 +48,20 @@ void linkedlist_print(LinkedList *head) {
         tmp = tmp->next;
     }
 }
-void free_list(LinkedList *head) {
 
+void free_list(LinkedList **head) {
+    LinkedList *ptr = *head;
+    LinkedList *prev = NULL;
+
+    if (ptr == NULL)
+        return;
+
+    while (ptr != NULL) {
+        prev = ptr;
+        ptr = ptr->next;
+        free(prev->data);
+        free(prev);
+    }
 }
 void free_node(LinkedList *node) {
     free(node->data);

linkedlist.h

@@ -18,4 +18,5 @@ typedef struct linkedlist {
 LinkedList *linkedlist_new();
 void linkedlist_add(LinkedList **head, char *data);
 void linkedlist_print(LinkedList *head);
+void free_list(LinkedList **head);
 #endif //HOSTBLOCKER_LINKEDLIST_H

main.c

@@ -192,6 +192,8 @@ int main(int argc, char **argv)
 //            daemonize();
         }
     }
+
+    free_list(&hosts);
 }
 
 /**