Windows setenv handler

Author: lmangani

src/httpserver_extension.cpp

@@ -65,7 +65,11 @@ static void SetEnvValue(DataChunk &args, ExpressionState &state, Vector &result,
                 if (value == "" || value.GetSize() == 0) {
                     throw std::invalid_argument(value_type + " cannot be empty.");
                 }
-		setenv(var_name.c_str(), value.GetString().c_str(), true);
+#ifdef _WIN32
+   		 _putenv_s(name.c_str(), value.c_str());
+#else
+    		setenv(var_name.c_str(), value.GetString().c_str(), true);
+#endif
 		auto new_value =  std::getenv("DUCKDB_HTTPSERVER_DISCOVERY");
                 return StringVector::AddString(result, value_type + " set ENV " + var_name +  " to: " + new_value ) ; //value.GetString()
             } catch (std::exception &e) {