libs-performance/NSObject+GSExtensions.m

/* Implementation of extension methods to base additions

   Copyright (C) 2010 Free Software Foundation, Inc.

   Written by:  Richard Frith-Macdonald <rfm@gnu.org>

   This file is part of the GNUstep Base Library.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, write to the Free
   Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02111 USA.

*/

#import <Foundation/NSHashTable.h>

@implementation      NSObject (MemoryFootprint)
+ (NSUInteger) sizeInBytesExcluding: (NSHashTable*)exclude
{
  return 0;
}
- (NSUInteger) sizeInBytesExcluding: (NSHashTable*)exclude
{
  if (0 == NSHashGet(exclude, self))
    {
      NSHashInsert(exclude, self);
      return class_getInstanceSize(object_getClass(self));
    }
  return 0;
}
@end