From 8b3d6c9f63dbb89cb4733c990bf42a35589884fb Mon Sep 17 00:00:00 2001
From: "Maronas, Marcos" <marcos.maronas@intel.com>
Date: Tue, 23 Jan 2024 04:15:49 -0800
Subject: [PATCH] Fix test in Windows.

Signed-off-by: Maronas, Marcos <marcos.maronas@intel.com>
---
 sycl/test-e2e/CompositeDevice/composite_device.cpp | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/sycl/test-e2e/CompositeDevice/composite_device.cpp b/sycl/test-e2e/CompositeDevice/composite_device.cpp
index 942fd44634c06..0388ffdfd59e5 100644
--- a/sycl/test-e2e/CompositeDevice/composite_device.cpp
+++ b/sycl/test-e2e/CompositeDevice/composite_device.cpp
@@ -14,8 +14,18 @@ bool isL0Backend(sycl::backend backend) {
 }
 
 bool isCombinedMode() {
-  const char *Mode = std::getenv("ZE_FLAT_DEVICE_HIERARCHY");
-  return (Mode != nullptr) && (std::strcmp(Mode, "COMBINED") == 0);
+  char *Mode = nullptr;
+  bool Res = false;
+#ifdef _WIN32
+  size_t Size = 0;
+  auto Err = _dupenv_s(&Mode, &Size, "ZE_FLAT_DEVICE_HIERARCHY");
+  Res = (Mode != nullptr) && (std::strcmp(Mode, "COMBINED") == 0);
+  free(Mode);
+#else
+  Mode = std::getenv("ZE_FLAT_DEVICE_HIERARCHY");
+  Res = (Mode != nullptr) && (std::strcmp(Mode, "COMBINED") == 0);
+#endif
+  return Res;
 }
 
 int main() {