From 987d395b7b88b58cb412c88a57deb0e1eada1c37 Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Thu, 13 Jul 2023 09:19:08 -0700
Subject: Add a free list to mempool.

---
 mempool/include/mempool.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'mempool/include/mempool.h')

diff --git a/mempool/include/mempool.h b/mempool/include/mempool.h
index 994e25a..b76ae7c 100644
--- a/mempool/include/mempool.h
+++ b/mempool/include/mempool.h
@@ -100,14 +100,14 @@
 // -----------------------------------------------------------------------------
 
 typedef struct BlockInfo {
-  bool used;
+  size_t next; /// For free blocks, points to the next free block.
+  bool   used;
 } BlockInfo;
 
 typedef struct mempool {
   size_t     block_size_bytes;
   size_t     num_blocks;
-  size_t     next_free_block;
-  bool       full;
+  size_t     head;    /// Points to the first block in the free list.
   bool       dynamic; /// True if blocks and info are dynamically-allocated.
   BlockInfo* block_info;
   uint8_t*   blocks;
-- 
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