From 8fb583b57f4390d5c8809541cc12bf90653c1abc Mon Sep 17 00:00:00 2001
From: Imbus <>
Date: Tue, 9 Sep 2025 10:19:12 +0200
Subject: [PATCH] Unused headers, remove some specific asserts, some reference
 notes on wiping block

---
 freelist/freelist.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/freelist/freelist.c b/freelist/freelist.c
index 7a31c38..7b181ae 100644
--- a/freelist/freelist.c
+++ b/freelist/freelist.c
@@ -1,10 +1,4 @@
 #include "freelist.h"
-#include "stddef.h"
-#include <assert.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
 
 struct __attribute__((packed)) FreeListBlock {
     uint16_t next_offset;
@@ -36,8 +30,6 @@ int fl_init(FreeList *fl, uintptr_t start, size_t size_bytes, size_t itemsize) {
      * but MAX_ALIGN_T is also an option. Especially for allocator implementation. */
     size_t size = align_up_to(itemsize, sizeof(void *));
 
-    assert(sizeof(FreeListBlock) == 2);
-
     if (size < sizeof(FreeListBlock) || !fl)
         return 0;
 
@@ -69,7 +61,14 @@ void *fl_alloc(FreeList *fl) {
     fl->free = offset_to_ptr(fl, fl->free->next_offset); /* May be null, which is fine */
     fl->allocated++;
 
-    memset((void *)m, 0, sizeof(FreeListBlock));
+    /* Wipe it before sending it out, could use memset
+     * here, or even wiping the entire block */
+    m->next_offset = 0;
+
+    /* For reference: */
+    // memset((void *)m, 0, fl->size); /* Wipe entire block */
+    // memset((void *)m, 0, sizeof(FreeListBlock)); /* Wipe only header */
+
     return ((void *)m);
 }