From 3d519cda7f005b96d5a5442d45ded9a9dfbb23d4 Mon Sep 17 00:00:00 2001
From: Chuck Walbourn <chuckw@microsoft.com>
Date: Wed, 9 Oct 2024 14:35:33 -0700
Subject: [PATCH] WaveFrontReader should check for null parameter

---
 Utilities/WaveFrontReader.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Utilities/WaveFrontReader.h b/Utilities/WaveFrontReader.h
index c46412b..99fb5ec 100644
--- a/Utilities/WaveFrontReader.h
+++ b/Utilities/WaveFrontReader.h
@@ -78,6 +78,9 @@ namespace DX
         {
             Clear();
 
+            if (!szFileName)
+                return E_INVALIDARG;
+
             constexpr size_t MAX_POLY = 64;
 
             using namespace DirectX;
@@ -421,6 +424,9 @@ namespace DX
 
         HRESULT LoadMTL(_In_z_ const wchar_t* szFileName)
         {
+            if (!szFileName)
+                return E_INVALIDARG;
+
             using namespace DirectX;
 
             // Assumes MTL is in CWD along with OBJ
@@ -583,6 +589,9 @@ namespace DX
 
         HRESULT LoadVBO(_In_z_ const wchar_t* szFileName)
         {
+            if (!szFileName)
+                return E_INVALIDARG;
+
             using namespace DirectX;
 
             Clear();