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Add pre-condition check on nullable argument

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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.
This commit is contained in:
Emmanuele Bassi 2020-06-28 13:40:11 +01:00
parent 6a4b5ead86
commit 24d6a190af
1 changed files with 2 additions and 0 deletions
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2
gtk/gtkexpression.c
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@ -1992,6 +1992,8 @@ gtk_expression_bind (GtkExpression *self,
g_return_val_if_fail (GTK_IS_EXPRESSION (self), NULL); 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 (G_IS_OBJECT (target), NULL);
g_return_val_if_fail (property != NULL, 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); pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (target), property);
if (G_UNLIKELY (pspec == NULL)) if (G_UNLIKELY (pspec == NULL))
{ {