From 24d6a190af64348f5669e4e67e0dd78e59f94066 Mon Sep 17 00:00:00 2001 From: Emmanuele Bassi Date: Sun, 28 Jun 2020 13:40:11 +0100 Subject: [PATCH] Add pre-condition check on nullable argument Even if `gtk_expression_watch()` will do the same, we're calling public API, so we should perform a check at the point of use, to ensure that warnings are easily debuggable. --- gtk/gtkexpression.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/gtk/gtkexpression.c b/gtk/gtkexpression.c index 750ee2c57c..a3ba536afa 100644 --- a/gtk/gtkexpression.c +++ b/gtk/gtkexpression.c @@ -1992,6 +1992,8 @@ gtk_expression_bind (GtkExpression *self, g_return_val_if_fail (GTK_IS_EXPRESSION (self), NULL); g_return_val_if_fail (G_IS_OBJECT (target), NULL); g_return_val_if_fail (property != NULL, NULL); + g_return_val_if_fail (this_ == NULL || G_IS_OBJECT (this_), NULL); + pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (target), property); if (G_UNLIKELY (pspec == NULL)) { -- 2.30.2