From e288c5d68ed6f0cc4d4f316eb526f8141eb626ab Mon Sep 17 00:00:00 2001
From: Kim Kulling <kimkulling@users.noreply.github.com>
Date: Fri, 2 Aug 2024 18:17:34 +0200
Subject: [PATCH] Update DefaultIOSystem.cpp

- closes https://github.com/assimp/assimp/issues/5678
---
 code/Common/DefaultIOSystem.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/code/Common/DefaultIOSystem.cpp b/code/Common/DefaultIOSystem.cpp
index e74add55f..ddb5b3b60 100644
--- a/code/Common/DefaultIOSystem.cpp
+++ b/code/Common/DefaultIOSystem.cpp
@@ -93,6 +93,10 @@ static std::string WideToUtf8(const wchar_t *in) {
 // ------------------------------------------------------------------------------------------------
 // Tests for the existence of a file at the given path.
 bool DefaultIOSystem::Exists(const char *pFile) const {
+    if (pFile == nullptr) {
+        return false;
+    }
+        
 #ifdef _WIN32
     struct __stat64 filestat;
     if (_wstat64(Utf8ToWide(pFile).c_str(), &filestat) != 0) {