--- rxvt-unicode/src/screen.C	2012/06/01 08:12:09	1.419
+++ rxvt-unicode/src/screen.C	2012/06/28 15:19:15	1.422
@@ -171,7 +171,7 @@
   int all_rows = total_rows + nrow + nrow;
 
   chunk_size = (sizeof (line_t) + rsize + tsize) * all_rows;
-  chunk = rxvt_malloc (chunk_size);
+  chunk = chunk_alloc (chunk_size, 0);
 
   char *base = (char *)chunk + sizeof (line_t) * all_rows;
 
@@ -431,8 +431,12 @@
 void ecb_cold
 rxvt_term::scr_release () NOTHROW
 {
-  free (chunk); chunk = 0; row_buf = 0;
-  free (tabs);  tabs  = 0;
+  chunk_free (chunk, chunk_size);
+  chunk = 0;
+  row_buf = 0;
+
+  free (tabs);
+  tabs = 0;
 }
 
 /* ------------------------------------------------------------------------- */
@@ -1704,7 +1708,7 @@
 
       ::swap (pix_colors[Color_fg], pix_colors[Color_bg]);
 #ifdef HAVE_BG_PIXMAP
-      if (bg_pixmap == None)
+      if (bg_img == 0)
 #endif
           XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
 
@@ -2049,7 +2053,7 @@
   unsigned int old_screen_flags = screen.flags;
   bool have_bg = 0;
 #ifdef HAVE_BG_PIXMAP
-  have_bg = bg_pixmap != None;
+  have_bg = bg_img != 0;
 #endif
   ocrow = oldcursor.row; /* is there an old outline cursor on screen? */
 
@@ -2530,12 +2534,12 @@
   bool transparent = false;
 
 #ifdef HAVE_BG_PIXMAP
-  if (bg_pixmap != None)
+  if (bg_img != 0)
     {
-# ifdef ENABLE_TRANSPARENCY
+# if ENABLE_TRANSPARENCY
       if (bg_flags & BG_IS_TRANSPARENT)
         {
-          XSetWindowBackgroundPixmap (dpy, parent, bg_pixmap);
+          XSetWindowBackgroundPixmap (dpy, parent, bg_img->pm);
           XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
 
           transparent = true;
@@ -2544,7 +2548,7 @@
 # endif
         {
           XSetWindowBackground (dpy, parent, pix_colors[Color_border]);
-          XSetWindowBackgroundPixmap (dpy, vt, bg_pixmap);
+          XSetWindowBackgroundPixmap (dpy, vt, bg_img->pm);
         }
     }
   else
@@ -3528,7 +3532,7 @@
 }
 
 /* ------------------------------------------------------------------------- */
-#ifdef USE_XIM
+#if USE_XIM
 void ecb_cold
 rxvt_term::im_set_position (XPoint &pos) NOTHROW
 {