libs-base/Source/MallocAddress.m
Andrew McCallum 1ecc7f734a Use NSMapTable instead of Dictionary class.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@945 72102866-910b-0410-8b05-ffd578937521
1996-02-22 15:15:46 +00:00

68 lines
1.7 KiB
Objective-C

/* Provides autoreleasing of malloc'ed pointers
Copyright (C) 1995, 1996 Free Software Foundation, Inc.
Written by: R. Andrew McCallum <mccallum@gnu.ai.mit.edu>
Created: January 1995
This file is part of the GNU Objective C Class Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library 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 Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <objects/MallocAddress.h>
#include <objects/Dictionary.h>
#include <Foundation/NSMapTable.h>
static NSMapTable* mallocAddresses;
@implementation MallocAddress
+ (void) initialize
{
if (self == [MallocAddress class])
{
mallocAddresses = NSCreateMapTable (NSNonOwnedPointerMapKeyCallBacks,
NSObjectMapValueCallBacks, 0);
}
}
+ objectForAddress: (void*)addr
{
return NSMapGet (mallocAddresses, addr);
}
+ autoreleaseMallocAddresss: (void*)addr
{
id n = [[self alloc] initWithAddress:addr];
NSMapInsert (mallocAddresses, addr, n);
return [n autorelease];
}
- initWithAddress: (void*)addr
{
[super init];
address = addr;
return self;
}
- (void) dealloc
{
NSMapRemove (mallocAddresses, address);
OBJC_FREE(address);
[super dealloc];
}
@end