From: Benjamin Otte <otte@redhat.com>
Date: Mon, 10 Jul 2023 04:23:45 +0000 (+0200)
Subject: rendernode: Implement proper GSK_IS_RENDERNODE()
X-Git-Tag: archive/raspbian/4.12.3+ds-1+rpi1~1^2^2^2~22^2~1^2~66^2~2
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=465a34e6b0ef9654423c32d389dbb8ba6af40cdb;p=gtk4.git

rendernode: Implement proper GSK_IS_RENDERNODE()

Use G_TYPE_CHECK_INSTANCE_TYPE() instead of just checking for != NULL.
After all, this is a GTypeInstance.

Also fixes some gcc complaints when checking
  node == NULL || GSK_IS_RENDERNODE (node)
which gcc was convinced would be always true.
---

diff --git a/gsk/gskrendernode.h b/gsk/gskrendernode.h
index b1ceec5cea..f3ae38f6e1 100644
--- a/gsk/gskrendernode.h
+++ b/gsk/gskrendernode.h
@@ -31,7 +31,7 @@ G_BEGIN_DECLS
 
 #define GSK_TYPE_RENDER_NODE (gsk_render_node_get_type ())
 
-#define GSK_IS_RENDER_NODE(obj) ((obj) != NULL)
+#define GSK_IS_RENDER_NODE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GSK_TYPE_RENDER_NODE))
 
 #define GSK_SERIALIZATION_ERROR       (gsk_serialization_error_quark ())