From 4e98268d09a0316f643a69ddac549c363ee3fe16 Mon Sep 17 00:00:00 2001
From: Avril <flanchan@cumallover.me>
Date: Thu, 17 Dec 2020 15:16:04 +0000
Subject: [PATCH] day9: fix dumb bug

---
 day9/map.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/day9/map.c b/day9/map.c
index 225380d..ea89bf5 100644
--- a/day9/map.c
+++ b/day9/map.c
@@ -96,14 +96,15 @@ static void _map_walk(map_t* restrict map, void (*cb)(struct page* page))
 	struct page* page=  map->page0;
 	while(page)
 	{
+		register struct page* next = page->next;
 		cb(page);
-		page = page->next;
+		page = next;
 	}
 }
 
 static void _map_page_clear(struct page* page)
 {
-	memset(page, 0, sizeof(struct page));
+	memset(page->p, 0, sizeof(struct entry) * PAGE_SIZE);
 }
 
 void map_clear(map_t* restrict map)