From 65357c8c46154de4e4eca14075bfe5523bb5fc14 Mon Sep 17 00:00:00 2001
From: Daniel Lange <DLange@git.local>
Date: Mon, 7 Dec 2020 10:26:01 +0100
Subject: New upstream version 3.0.3

---
 Object.h | 43 ++++++++++++++++++++++++++-----------------
 1 file changed, 26 insertions(+), 17 deletions(-)

(limited to 'Object.h')

diff --git a/Object.h b/Object.h
index 50a5f12..2c3ba9f 100644
--- a/Object.h
+++ b/Object.h
@@ -4,41 +4,50 @@
 htop - Object.h
 (C) 2004-2012 Hisham H. Muhammad
 (C) 2020 Red Hat, Inc.  All Rights Reserved.
-Released under the GNU GPL, see the COPYING file
+Released under the GNU GPLv2, see the COPYING file
 in the source distribution for its full text.
 */
 
+#include "config.h" // IWYU pragma: keep
+
+#include <assert.h>
+
 #include "RichString.h"
-#include "XAlloc.h"
-#include "Macros.h"
+#include "XUtils.h" // IWYU pragma: keep
+
+#ifndef NDEBUG
+#include <stdbool.h>
+#endif
+
 
+struct Object_;
 typedef struct Object_ Object;
 
-typedef void(*Object_Display)(Object*, RichString*);
+typedef void(*Object_Display)(const Object*, RichString*);
 typedef long(*Object_Compare)(const void*, const void*);
 typedef void(*Object_Delete)(Object*);
 
-#define Object_getClass(obj_)         ((Object*)(obj_))->klass
-#define Object_setClass(obj_, class_) Object_getClass(obj_) = (ObjectClass*) class_
+#define Object_getClass(obj_)         ((const Object*)(obj_))->klass
+#define Object_setClass(obj_, class_) (((Object*)(obj_))->klass = (const ObjectClass*) (class_))
 
-#define Object_delete(obj_)           Object_getClass(obj_)->delete((Object*)(obj_))
+#define Object_delete(obj_)           (assert(Object_getClass(obj_)->delete), Object_getClass(obj_)->delete((Object*)(obj_)))
 #define Object_displayFn(obj_)        Object_getClass(obj_)->display
-#define Object_display(obj_, str_)    Object_getClass(obj_)->display((Object*)(obj_), str_)
-#define Object_compare(obj_, other_)  Object_getClass(obj_)->compare((const void*)(obj_), other_)
+#define Object_display(obj_, str_)    (assert(Object_getClass(obj_)->display), Object_getClass(obj_)->display((const Object*)(obj_), str_))
+#define Object_compare(obj_, other_)  (assert(Object_getClass(obj_)->compare), Object_getClass(obj_)->compare((const void*)(obj_), other_))
 
-#define Class(class_)                 ((ObjectClass*)(&(class_ ## _class)))
+#define Class(class_)                 ((const ObjectClass*)(&(class_ ## _class)))
 
-#define AllocThis(class_) (class_*) xMalloc(sizeof(class_)); Object_setClass(this, Class(class_));
+#define AllocThis(class_) (class_*)   xMalloc(sizeof(class_)); Object_setClass(this, Class(class_))
 
 typedef struct ObjectClass_ {
-   const void* extends;
+   const void* const extends;
    const Object_Display display;
    const Object_Delete delete;
    const Object_Compare compare;
 } ObjectClass;
 
 struct Object_ {
-   ObjectClass* klass;
+   const ObjectClass* klass;
 };
 
 typedef union {
@@ -46,12 +55,12 @@ typedef union {
    void* v;
 } Arg;
 
-extern ObjectClass Object_class;
+extern const ObjectClass Object_class;
 
-#ifdef DEBUG
+#ifndef NDEBUG
 
-bool Object_isA(Object* o, const ObjectClass* klass);
+bool Object_isA(const Object* o, const ObjectClass* klass);
 
-#endif
+#endif /* NDEBUG */
 
 #endif
-- 
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