From ac39aed7c5767992dd487f7ec041c430eebde2d0 Mon Sep 17 00:00:00 2001
From: Will Lillis <will.lillis24@gmail.com>
Date: Sat, 13 Sep 2025 20:16:29 -0400
Subject: [PATCH] fix(lib/wasm): return NULL for 0-sized allocations

Co-authored-by: Amaan Qureshi <contact@amaanq.com>
---
 lib/src/wasm/stdlib.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/src/wasm/stdlib.c b/lib/src/wasm/stdlib.c
index 1e6cf4a0..65f87e90 100644
--- a/lib/src/wasm/stdlib.c
+++ b/lib/src/wasm/stdlib.c
@@ -60,6 +60,8 @@ void reset_heap(void *new_heap_start) {
 }
 
 void *malloc(size_t size) {
+  if (size == 0) return NULL;
+
   Region *prev = NULL;
   Region *curr = free_list;
   while (curr != NULL) {