From e32765f9cc3dae186aa1ddf4f395280ce115c9b3 Mon Sep 17 00:00:00 2001
From: "jan.nijtmans" <nijtmans@users.sourceforge.net>
Date: Wed, 25 Apr 2012 11:08:32 +0000
Subject: truncation in SetWindowLongPtr data

---
 win/tclWinDde.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/win/tclWinDde.c b/win/tclWinDde.c
index 0d5f7d7..291a244 100644
--- a/win/tclWinDde.c
+++ b/win/tclWinDde.c
@@ -814,9 +814,9 @@ DdeClientWindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 	    ddeEnumServices *es;
 	    es = (ddeEnumServices*)lpcs->lpCreateParams;
 #ifdef _WIN64
-	    SetWindowLongPtr(hwnd, GWLP_USERDATA, (long)es);
+	    SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR) es);
 #else
-	    SetWindowLong(hwnd, GWL_USERDATA, (long)es);
+	    SetWindowLong(hwnd, GWL_USERDATA, (LONG) es);
 #endif
 	    break;
 	}
-- 
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