filechooserbutton: whitespace fixes

[~andy/gtk] / gtk / gtkquartz.c

diff --git a/gtk/gtkquartz.c b/gtk/gtkquartz.c
index 74570005cd4a093ed40aa0809cad8536efcb6680..557fa8ac2c9b4d4153632603354ab0ec3bacaf80 100644 (file)
--- a/gtk/gtkquartz.c
+++ b/gtk/gtkquartz.c
@@ -13,9 +13,7 @@
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include "config.h"
@@ -35,9 +33,11 @@ _gtk_quartz_create_image_from_pixbuf (GdkPixbuf *pixbuf)
   int rowstride, pixbuf_width, pixbuf_height;
   gboolean has_alpha;
   NSImage *nsimage;
+  NSSize nsimage_size;
 
   pixbuf_width = gdk_pixbuf_get_width (pixbuf);
   pixbuf_height = gdk_pixbuf_get_height (pixbuf);
+  g_return_val_if_fail (pixbuf_width != 0 && pixbuf_height != 0, NULL);
   rowstride = gdk_pixbuf_get_rowstride (pixbuf);
   has_alpha = gdk_pixbuf_get_has_alpha (pixbuf);
 
@@ -57,6 +57,13 @@ _gtk_quartz_create_image_from_pixbuf (GdkPixbuf *pixbuf)
   CGColorSpaceRelease (colorspace);
 
   nsimage = [[NSImage alloc] initWithSize:NSMakeSize (pixbuf_width, pixbuf_height)];
+  nsimage_size = [nsimage size];
+  if (nsimage_size.width == 0.0 && nsimage_size.height == 0.0)
+    {
+      [nsimage release];
+      g_critical ("%s returned a zero-sized image", G_STRFUNC);
+      return NULL;
+    }
   [nsimage lockFocus];
 
   context = (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];
@@ -94,6 +101,7 @@ _gtk_quartz_target_list_to_pasteboard_types (GtkTargetList *target_list)
     {
       GtkTargetPair *pair = list->data;
       gchar *target = gdk_atom_name (pair->target);
+      g_return_val_if_fail (pair->flags < 16, NULL);
       [set addObject:target_to_pasteboard_type (target)];
       g_free (target);
     }