From: Brendan Hansen <brendan.f.hansen@gmail.com>
Date: Tue, 22 Dec 2020 16:18:09 +0000 (-0600)
Subject: updated day 20 to use a ring allocator
X-Git-Url: https://git.brendanfh.com/?a=commitdiff_plain;h=14809442d12a78f139662a1685c37e2bd7d004a1;p=onyx-aoc-2020.git

updated day 20 to use a ring allocator
---

diff --git a/day20.onyx b/day20.onyx
index 547c0bc..6cbc048 100644
--- a/day20.onyx
+++ b/day20.onyx
@@ -263,8 +263,12 @@ main :: proc (args: [] cstr) {
 	tile_data := calloc(200 * sizeof TileData);
 	defer cfree(tile_data);
 	
-	tile_data_arena := alloc.arena.make(tile_data, 200 * sizeof TileData);
-	tile_allocator  := alloc.arena.make_allocator(^tile_data_arena);
+    // This ring allocator could technically overflow and start
+    // allocating memory that isn't technically free, but there
+    // should be more than enough space in the allocator to not
+    // run into that problem... Hopefully.
+	tile_data_ring := alloc.ring.make(tile_data, 200 * sizeof TileData);
+	tile_allocator := alloc.ring.make_allocator(^tile_data_ring);
 
 	while !reader.empty(^file) {
 		reader.read_word(^file); // 'Tile '