From f40be8b5b6227775901a99946779661d0b4439e6 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Sun, 1 Nov 2020 12:35:00 +0100
Subject: Added files demo and needed functions

---
 libc/inc/list.h |  1 +
 libc/list.c     | 16 ++++++++++++++++
 2 files changed, 17 insertions(+)

(limited to 'libc')

diff --git a/libc/inc/list.h b/libc/inc/list.h
index 0c3668d..50b21c2 100644
--- a/libc/inc/list.h
+++ b/libc/inc/list.h
@@ -17,6 +17,7 @@ struct node {
 };
 
 struct list *list_new();
+void list_destroy(struct list *list);
 /* struct node *list_new_node(); */ // TODO: Make node-specific things static/private?
 /* void list_add_node(struct list *list, struct node *node); */
 struct node *list_add(struct list *list, void *data);
diff --git a/libc/list.c b/libc/list.c
index 7baae92..6e1f95d 100644
--- a/libc/list.c
+++ b/libc/list.c
@@ -13,6 +13,22 @@ struct list *list_new()
 	return list;
 }
 
+void list_destroy(struct list *list)
+{
+	struct node *iterator = list->head;
+	while (iterator != NULL) {
+		if (iterator->next == NULL) {
+			free(iterator);
+			break;
+		}
+		iterator = iterator->next;
+		free(iterator->prev);
+	}
+	list->head = NULL;
+	free(list);
+	list = NULL;
+}
+
 struct node *list_new_node()
 {
 	struct node *node = malloc(sizeof(*node));
-- 
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