From 11521b99661f969ba7adad9d2366108a1a001ab0 Mon Sep 17 00:00:00 2001
From: "Douglas B. Rumbaugh" <doug@douglasrumbaugh.com>
Date: Sun, 2 Nov 2025 18:29:20 -0500
Subject: Defined allocator behavior for 0 byte requests

---
 src/alloc.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/alloc.c')

diff --git a/src/alloc.c b/src/alloc.c
index 39cbf88..32eb18a 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -44,6 +44,11 @@ void *allocate(size_t size) {
     initialize();
   }
 
+  /* special case for a size 0 allocation */
+  if (size == 0) {
+    return NULL;
+  }
+
   /*
    * pad the requested size to ensure alignment using
    * the alignment one-liner we discussed in class
-- 
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