Index: image_fupload.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/image_fupload/image_fupload.module,v
retrieving revision 1.34
diff -u -r1.34 image_fupload.module
--- image_fupload.module	9 Jun 2009 22:25:54 -0000	1.34
+++ image_fupload.module	19 Jul 2009 21:57:36 -0000
@@ -202,6 +202,26 @@
     }
     else {
       // Get responsible error messages and send it to swfUpload
+      // Double check file error (copied and slightly modified from file_save_upload() in file.inc)
+      switch ($_FILES['files']['error']['image']) {
+        case UPLOAD_ERR_OK:
+          break;
+
+        case UPLOAD_ERR_INI_SIZE:
+        case UPLOAD_ERR_FORM_SIZE:
+          form_set_error('image', t('The file %file could not be saved, because it exceeds %maxsize, the maximum allowed size for uploads.', array('%file' => $source, '%maxsize' => format_size(file_upload_max_size()))));
+          break;
+
+        case UPLOAD_ERR_PARTIAL:
+        case UPLOAD_ERR_NO_FILE:
+          form_set_error('image',t('The file %file could not be saved, because the upload did not complete.', array('%file' => $source)));
+          break;
+
+          // Unknown error
+        default:
+          form_set_error('image',t('The file %file could not be saved. An unknown error has occurred.', array('%file' => $source)));
+          break;
+      }
       $messages = form_get_errors();
       drupal_json(array('status' => FALSE, 'data' => t('Upload failed: !errors', array('!errors' => implode(' ', $messages)))));
     }