[glib] Bug 595138 - GFile not robust with invalid input

[Ryan Lortie <ryanl src gnome org>]

commit 9681d7e75f2d1296a890bfa64b3478ea7025df62
Author: Ryan Lortie <desrt desrt ca>
Date:   Wed Nov 18 18:43:30 2009 -0600

    Bug 595138 - GFile not robust with invalid input
    
    Improve handling of g_file_query_default_handler() when called on an
    invalid GFile (ie: one created with an invalid URI).

 gio/gfile.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gio/gfile.c b/gio/gfile.c
index 36c0439..ceaf802 100644
--- a/gio/gfile.c
+++ b/gio/gfile.c
@@ -5999,7 +5999,7 @@ g_file_query_default_handler (GFile                  *file,
   char *path;
   
   uri_scheme = g_file_get_uri_scheme (file);
-  if (uri_scheme)
+  if (uri_scheme && uri_scheme[0] != '\0')
     {
       appinfo = g_app_info_get_default_for_uri_scheme (uri_scheme);
       g_free (uri_scheme);