From 310726211442cfdf79212010c64d9ba1f86d6c06 Mon Sep 17 00:00:00 2001
From: Reinier Maas <ReinierMaas@users.noreply.github.com>
Date: Wed, 10 Oct 2018 13:15:06 +0200
Subject: [PATCH] Update memalloc.c

Calling malloc from realloc with a size of 0 will return NULL.
Remove call to malloc in realloc.
---
 memalloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/memalloc.c b/memalloc.c
index e4354cf..2242f90 100644
--- a/memalloc.c
+++ b/memalloc.c
@@ -133,7 +133,7 @@ void *realloc(void *block, size_t size)
 	struct header_t *header;
 	void *ret;
 	if (!block || !size)
-		return malloc(size);
+		return NULL;
 	header = (struct header_t*)block - 1;
 	if (header->size >= size)
 		return block;