/* GNU Objective C Runtime class related functions   Copyright (C) 1993, 1995, 1996 Free Software Foundation, Inc.   Contributed by Kresten Krab ThorupThis file is part of GCC.GCC is free software; you can redistribute it and/or modify it under theterms of the GNU General Public License as published by the Free SoftwareFoundation; either version 2, or (at your option) any later version.GCC is distributed in the hope that it will be useful, but WITHOUT ANYWARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESSFOR A PARTICULAR PURPOSE.  See the GNU General Public License for moredetails.You should have received a copy of the GNU General Public License along withGCC; see the file COPYING.  If not, write to the Free SoftwareFoundation, 51 Franklin Street, Fifth Floor,Boston, MA 02110-1301, USA.  *//* As a special exception, if you link this library with files compiled with   GCC to produce an executable, this does not cause the resulting executable   to be covered by the GNU General Public License. This exception does not   however invalidate any other reasons why the executable file might be   covered by the GNU General Public License.  */#include "tconfig.h"         /* include defs of bzero for target */#include "objc/objc.h"#include "objc/runtime.h"		/* the kitchen sink */#if OBJC_WITH_GC# include <gc.h>#endifid __objc_object_alloc (Class);id __objc_object_dispose (id);id __objc_object_copy (id);id (*_objc_object_alloc) (Class)   = __objc_object_alloc;   /* !T:SINGLE */ id (*_objc_object_dispose) (id)    = __objc_object_dispose; /* !T:SINGLE */id (*_objc_object_copy) (id)       = __objc_object_copy;    /* !T:SINGLE */idclass_create_instance (Class class){  id new = nil;#if OBJC_WITH_GC  if (CLS_ISCLASS (class))    new = (id) GC_malloc_explicitly_typed (class->instance_size,					   class->gc_object_type);#else  if (CLS_ISCLASS (class))    new = (*_objc_object_alloc) (class);#endif  if (new != nil)    {      memset (new, 0, class->instance_size);      new->class_pointer = class;    }  return new;}idobject_copy (id object){  if ((object != nil) && CLS_ISCLASS (object->class_pointer))    return (*_objc_object_copy) (object);  else    return nil;}idobject_dispose (id object){  if ((object != nil) && CLS_ISCLASS (object->class_pointer))    {      if (_objc_object_dispose)        (*_objc_object_dispose) (object);      else        objc_free (object);    }  return nil;}id __objc_object_alloc (Class class){  return (id) objc_malloc (class->instance_size);}id __objc_object_dispose (id object) {  objc_free (object);  return 0;}id __objc_object_copy (id object){  id copy = class_create_instance (object->class_pointer);  memcpy (copy, object, object->class_pointer->instance_size);  return copy;}