From 222927d56f11801b5247204a97431dd277ae4c46 Mon Sep 17 00:00:00 2001
From: elasota <ejlasota@gmail.com>
Date: Sun, 9 May 2021 22:47:44 -0400
Subject: [PATCH] Fix double-free when handle is shrunk to zero size

---
 PortabilityLayer/MemoryManager.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PortabilityLayer/MemoryManager.cpp b/PortabilityLayer/MemoryManager.cpp
index 6fba318..aac234b 100644
--- a/PortabilityLayer/MemoryManager.cpp
+++ b/PortabilityLayer/MemoryManager.cpp
@@ -81,7 +81,7 @@ namespace PortabilityLayer
 		if (newSize != hdl->m_size)
 		{
 			void *newBuf = Realloc(hdl->m_contents, newSize);
-			if (!newBuf)
+			if (!newBuf && newSize != 0)
 				return false;
 
 			hdl->m_contents = newBuf;