From 0f9bc1d3b7d3529a8162eb8ef5537d314d691121 Mon Sep 17 00:00:00 2001
From: Nikolay Sivov <bunglehead@gmail.com>
Date: Sun, 3 May 2009 12:42:00 +0400
Subject: [PATCH] gdi32: Check header pointer in CreateDIBitmap.

---
 dlls/gdi32/dib.c          | 2 ++
 dlls/gdi32/tests/bitmap.c | 7 ++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/dlls/gdi32/dib.c b/dlls/gdi32/dib.c
index 0dceaa80949..086eaaea0ad 100644
--- a/dlls/gdi32/dib.c
+++ b/dlls/gdi32/dib.c
@@ -1097,6 +1097,8 @@ HBITMAP WINAPI CreateDIBitmap( HDC hdc, const BITMAPINFOHEADER *header,
     DWORD compr, size;
     DC *dc;
 
+    if (!header) return 0;
+
     if (DIB_GetBitmapInfo( header, &width, &height, &planes, &bpp, &compr, &size ) == -1) return 0;
     
     if (width < 0)
diff --git a/dlls/gdi32/tests/bitmap.c b/dlls/gdi32/tests/bitmap.c
index bfbeee05670..a0d4531d511 100644
--- a/dlls/gdi32/tests/bitmap.c
+++ b/dlls/gdi32/tests/bitmap.c
@@ -144,7 +144,12 @@ static void test_createdibitmap(void)
     bmih.biPlanes = 1;
     bmih.biBitCount = 32;
     bmih.biCompression = BI_RGB;
- 
+
+    hbm = CreateDIBitmap(hdc, NULL, CBM_INIT, NULL, NULL, 0);
+    ok(hbm == NULL, "CreateDIBitmap should fail\n");
+    hbm = CreateDIBitmap(hdc, NULL, 0, NULL, NULL, 0);
+    ok(hbm == NULL, "CreateDIBitmap should fail\n");
+
     /* First create an un-initialised bitmap.  The depth of the bitmap
        should match that of the hdc and not that supplied in bmih.
     */
-- 
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