From 84148586e53f4bd4f3177a98c7f201f63245fd99 Mon Sep 17 00:00:00 2001
From: mstembera <5421953+mstembera@users.noreply.github.com>
Date: Tue, 4 Nov 2025 21:27:33 -0800
Subject: [PATCH] Fix MSVC compile

broken after Shared Memory patch.

closes https://github.com/official-stockfish/Stockfish/pull/6397

No functional change
---
 src/memory.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/memory.h b/src/memory.h
index b9be6f170..dad07df1d 100644
--- a/src/memory.h
+++ b/src/memory.h
@@ -41,6 +41,13 @@
     #endif
     #include <windows.h>
 
+    // Some Windows headers (RPC/old headers) define short macros such
+    // as 'small' expanding to 'char', which breaks identifiers in the code.
+    // Undefine those macros immediately after including <windows.h>.
+    #ifdef small
+        #undef small
+    #endif
+
     #include <psapi.h>
 
 extern "C" {