From 4967af88474f7d8acce76952d5af6037a4360672 Mon Sep 17 00:00:00 2001
From: Will Tipton <wwt26 at cornell edu>
Date: Mon, 11 Aug 2008 10:23:45 -0400
Subject: Added input validation to TOOLTIPS_GetTextW() in dlls/comctl32/tooltips.c in order to handle gracefully the case where it is called with an empty tooltip.  This occurs in the Full Tilt Poker client as discussed in Bug 14790.

---
 dlls/comctl32/tooltips.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/dlls/comctl32/tooltips.c b/dlls/comctl32/tooltips.c
index f7e538b..1149a07 100644
--- a/dlls/comctl32/tooltips.c
+++ b/dlls/comctl32/tooltips.c
@@ -1574,6 +1574,9 @@ TOOLTIPS_GetTextW (HWND hwnd, WPARAM wParam, LPARAM lParam)
     nTool = TOOLTIPS_GetToolFromInfoW (infoPtr, lpToolInfo);
     if (nTool == -1) return 0;
 
+    if (infoPtr->tools[nTool].lpszText == NULL)
+	return 0;
+
     strcpyW (lpToolInfo->lpszText, infoPtr->tools[nTool].lpszText);
 
     return 0;
-- 
1.5.6.5