[glib] gfile: g_file_equal (x, x) is TRUE

[Benjamin Otte <otte src gnome org>]

commit 4125415e7f4d1213fc7122beac0d91af08e37b28
Author: Benjamin Otte <otte redhat com>
Date:   Sun Oct 12 02:21:08 2014 +0200

    gfile: g_file_equal (x, x) is TRUE
    
    So shortcut it.
    
    I wrote this patch less as a performance optimization and more as a
    clarification, so that people looking at the code can be assured of this
    invariant.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=738374

 gio/gfile.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gio/gfile.c b/gio/gfile.c
index 0facca1..2e1e3cb 100644
--- a/gio/gfile.c
+++ b/gio/gfile.c
@@ -660,6 +660,9 @@ g_file_equal (GFile *file1,
   g_return_val_if_fail (G_IS_FILE (file1), FALSE);
   g_return_val_if_fail (G_IS_FILE (file2), FALSE);
 
+  if (file1 == file2)
+    return TRUE;
+
   if (G_TYPE_FROM_INSTANCE (file1) != G_TYPE_FROM_INSTANCE (file2))
     return FALSE;