Index: gd.c
===================================================================
RCS file: /repository/php-src/ext/gd/gd.c,v
retrieving revision 1.417
diff -u -r1.417 gd.c
--- gd.c	29 May 2009 00:18:53 -0000	1.417
+++ gd.c	19 Jun 2009 00:43:18 -0000
@@ -1848,7 +1848,11 @@
 		RETURN_FALSE;
 	}

-	hdc		= GetDC(0);
+	hdc = GetDC(0);
+
+	if (!hdc) {
+		goto clean;
+	}

 	if (client_area) {
 		GetClientRect(window, &rc);
@@ -1860,24 +1864,27 @@
 		Height	= rc.bottom - rc.top;
 	}

-	Width		= (Width/4)*4;
-
+	Width	= (Width/4)*4;
 	memDC	= CreateCompatibleDC(hdc);
 	memBM	= CreateCompatibleBitmap(hdc, Width, Height);
-	hOld	= (HBITMAP) SelectObject (memDC, memBM);

+	if (!memDC || !memBM) {
+		goto clean;
+	}
+
+	hOld	= (HBITMAP) SelectObject (memDC, memBM);
+	handle	= LoadLibrary("User32.dll");

-	handle = LoadLibrary("User32.dll");
 	if ( handle == 0 ) {
 		goto clean;
 	}
+
 	pPrintWindow = (tPrintWindow) GetProcAddress(handle, "PrintWindow");

 	if ( pPrintWindow )  {
 		pPrintWindow(window, memDC, (UINT) client_area);
 	} else {
 		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Windows API too old");
-		RETURN_FALSE;
 		goto clean;
 	}

@@ -1895,10 +1902,21 @@
 	}

 clean:
-	SelectObject(memDC,hOld);
-	DeleteObject(memBM);
-	DeleteDC(memDC);
-	ReleaseDC( 0, hdc );
+	if (memDC) {
+		if (hOld) {
+			SelectObject(memDC, hOld);
+		}
+
+		DeleteDC(memDC);
+	}
+
+	if (memBM) {
+		DeleteObject(memBM);
+	}
+
+	if (hdc) {
+		ReleaseDC( 0, hdc );
+	}

 	if (!im) {
 		RETURN_FALSE;