gio: handle g_vfs_get_supported_uri_schemes() returning NULL

Handle g_vfs_get_supported_uri_schemes() returning NULL more
gracefully, without criticals for passing NULL to g_strv_length().

diff --git a/gst/gio/gstgio.c b/gst/gio/gstgio.c
index f10d4a4..96e1fc0 100644 (file)
--- a/gst/gio/gstgio.c
+++ b/gst/gio/gstgio.c
@@ -102,7 +102,11 @@ _internal_get_supported_protocols (gpointer data)
   gint i, j;
 
   schemes = g_vfs_get_supported_uri_schemes (g_vfs_get_default ());
-  num = g_strv_length ((gchar **) schemes);
+
+  if (schemes != NULL)
+    num = g_strv_length ((gchar **) schemes);
+  else
+    num = 0;
 
   if (num == 0) {
     GST_WARNING ("No GIO supported URI schemes found");