From e82f06f9f73d09c1a91655361354f3549c703627 Mon Sep 17 00:00:00 2001
From: Vikram Saran <contact@vikram.codes>
Date: Sat, 13 Dec 2025 18:55:03 +0100
Subject: [PATCH] fix: Use correct _WIN32 macro for Windows detection

---
 include/vsg/core/Export.h | 2 +-
 src/vsg/io/FileSystem.cpp | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/vsg/core/Export.h b/include/vsg/core/Export.h
index c5b5941f9d..d43003c6e2 100644
--- a/include/vsg/core/Export.h
+++ b/include/vsg/core/Export.h
@@ -16,7 +16,7 @@ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLI
 #    pragma warning(disable : 4251)
 #endif
 
-#if defined(WIN32)
+#if defined(_WIN32)
 #    if defined(vsg_EXPORTS)
 #        define VSG_DECLSPEC __declspec(dllexport)
 #    elif defined(VSG_SHARED_LIBRARY)
diff --git a/src/vsg/io/FileSystem.cpp b/src/vsg/io/FileSystem.cpp
index 45c83fe082..4bbf9e2ce6 100644
--- a/src/vsg/io/FileSystem.cpp
+++ b/src/vsg/io/FileSystem.cpp
@@ -17,7 +17,7 @@ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLI
 
 #include <cstdio>
 
-#if defined(WIN32) && !defined(__CYGWIN__)
+#if defined(_WIN32) && !defined(__CYGWIN__)
 #    include <cstdlib>
 #    include <direct.h>
 #    include <io.h>
@@ -223,7 +223,7 @@ Path vsg::executableFilePath()
 {
     Path path;
 
-#if defined(WIN32)
+#if defined(_WIN32)
     TCHAR buf[PATH_MAX + 1];
     DWORD result = GetModuleFileName(NULL, buf, static_cast<DWORD>(std::size(buf) - 1));
     if (result && result < std::size(buf))