From 8bf0b4eebf5d06a4daefefcf3d6dd7491c2cd1f9 Mon Sep 17 00:00:00 2001
From: Michael Pavone <pavone@retrodev.com>
Date: Sun, 15 May 2016 12:02:56 -0700
Subject: Fixed a really egregious bug in the arena implementation. Not sure
 how this even worked at all before.

---
 arena.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'arena.c')

diff --git a/arena.c b/arena.c
index 6bc50e0..50a5594 100644
--- a/arena.c
+++ b/arena.c
@@ -17,6 +17,8 @@ struct arena {
 	size_t free_storage;
 };
 
+#define DEFAULT_STORAGE_SIZE 8
+
 static arena *current_arena;
 
 arena *get_current_arena()
@@ -45,7 +47,11 @@ void track_block(void *block)
 {
 	arena *cur = get_current_arena();
 	if (cur->used_count == cur->used_storage) {
-		cur->used_storage *= 2;
+		if (cur->used_storage) {
+			cur->used_storage *= 2;
+		} else {
+			cur->used_storage = DEFAULT_STORAGE_SIZE;
+		}
 		cur->used_blocks = realloc(cur->used_blocks, cur->used_storage * sizeof(void *));
 	}
 	cur->used_blocks[cur->used_count++] = block;
-- 
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