From f3ea345b2d37064acfd910b9b8285ca34de7ff8e Mon Sep 17 00:00:00 2001
From: James Hatheway <james@macadamian.com>
Date: Fri, 12 Jan 2001 23:01:41 +0000
Subject: [PATCH] Guard against incoming string of NULL in WM_SETTEXT.

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

diff --git a/controls/edit.c b/controls/edit.c
index 491b317ef68..e0c4d274440 100644
--- a/controls/edit.c
+++ b/controls/edit.c
@@ -4467,11 +4467,11 @@ static void EDIT_WM_SetFont(WND *wnd, EDITSTATE *es, HFONT font, BOOL redraw)
  */
 static void EDIT_WM_SetText(WND *wnd, EDITSTATE *es, LPARAM lParam, BOOL unicode)
 {
-    LPWSTR text;
+    LPWSTR text = NULL;
 
     if(unicode)
 	text = (LPWSTR)lParam;
-    else
+    else if (lParam)
     {
 	LPCSTR textA = (LPCSTR)lParam;
 	INT countW = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);