From 9b2506d74c900484969b5c2236bfd8cc8f23fe3b Mon Sep 17 00:00:00 2001
From: cjee21 <77721854+cjee21@users.noreply.github.com>
Date: Fri, 31 Jan 2025 12:53:21 +0800
Subject: [PATCH] Prevent dereferencing NULL pointer

---
 Source/MediaInfo/Audio/File_Adm.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/MediaInfo/Audio/File_Adm.cpp b/Source/MediaInfo/Audio/File_Adm.cpp
index fbdcb67fd..11b8c1437 100644
--- a/Source/MediaInfo/Audio/File_Adm.cpp
+++ b/Source/MediaInfo/Audio/File_Adm.cpp
@@ -2398,7 +2398,7 @@ class file_adm_private : public tfsxml
     file_adm_private()
     {
         auto OldLocale_Temp = setlocale(LC_NUMERIC, nullptr);
-        if (*OldLocale_Temp != 'C' || *(OldLocale_Temp + 1)) {
+        if (OldLocale_Temp && (*OldLocale_Temp != 'C' || *(OldLocale_Temp + 1))) {
             OldLocale = OldLocale_Temp;
             setlocale(LC_NUMERIC, "C");
         }