[EDF29150] : head monitoring file management

[modules/kernel.git] / src / Basics / Basics_Utils.cxx

diff --git a/src/Basics/Basics_Utils.cxx b/src/Basics/Basics_Utils.cxx
index e421e60624b14a5a32e805c80a32a38e4f90440a..d5de49184e28902721d9d2492375f71ca81a5243 100644 (file)
--- a/src/Basics/Basics_Utils.cxx
+++ b/src/Basics/Basics_Utils.cxx
@@ -1,4 +1,4 @@
-// Copyright (C) 2007-2021  CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2023  CEA, EDF, OPEN CASCADE
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
@@ -175,7 +175,7 @@ namespace Kernel_Utils
   {
     std::stringstream sstr;
     sstr<<name<<'='<<value;
-    if(rewrite || std::string(getenv(name)).length() == 0)
+    if(rewrite || getenv(name) == nullptr || std::string(getenv(name)).length() == 0)
       return _putenv(sstr.str().c_str());
     else return -1;
   }