1 files changed, 29 insertions, 0 deletions
diff --git a/Object.c b/Object.c
new file mode 100644
index 0000000..f009148
--- /dev/null
+++ b/Object.c
@@ -0,0 +1,29 @@
+/*
+htop - Object.c
+(C) 2004-2012 Hisham H. Muhammad
+(C) 2020 Red Hat, Inc.  All Rights Reserved.
+Released under the GNU GPLv2+, see the COPYING file
+in the source distribution for its full text.
+*/
+
+#include "Object.h"
+
+#include <stddef.h>
+
+
+const ObjectClass Object_class = {
+   .extends = NULL
+};
+
+bool Object_isA(const Object* o, const ObjectClass* klass) {
+   if (!o)
+      return false;
+
+   for (const ObjectClass* type = o->klass; type; type = type->extends) {
+      if (type == klass) {
+         return true;
+      }
+   }
+
+   return false;
+}