From: Hadrien Boizard <h.boizard@gmail.com>
Subject: [PATCH] uxtheme: Return E_POINTER if RECT pointer is NULL.
Message-Id: <CA+TuuwSEigXHH_XCX71Cc=D+J46hYg3V9kRS-N1ROLDWXd7D5Q@mail.gmail.com>
Date: Tue, 6 Dec 2016 08:37:32 +0100

Signed-off-by: Hadrien Boizard <h.boizard@gmail.com>
---
 dlls/uxtheme/draw.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dlls/uxtheme/draw.c b/dlls/uxtheme/draw.c
index e917dd1..5fbcc72 100644
--- a/dlls/uxtheme/draw.c
+++ b/dlls/uxtheme/draw.c
@@ -2033,6 +2033,8 @@ HRESULT WINAPI GetThemeTextExtent(HTHEME hTheme, HDC hdc, int iPartId,
         oldFont = SelectObject(hdc, hFont);
         
     DrawTextW(hdc, pszText, iCharCount, &rt, dwTextFlags|DT_CALCRECT);
+    if(!pExtentRect)
+        return E_POINTER;
     *pExtentRect = rt;
 
     if(hFont) {