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15f0c95e86
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@1284 72102866-910b-0410-8b05-ffd578937521
69 lines
1.8 KiB
Objective-C
69 lines
1.8 KiB
Objective-C
/* Provides autoreleasing of malloc'ed pointers
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Copyright (C) 1995, 1996 Free Software Foundation, Inc.
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Written by: R. Andrew McCallum <mccallum@gnu.ai.mit.edu>
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Created: January 1995
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This file is part of the GNU Objective C Class Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <objects/MallocAddress.h>
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#include <objects/Dictionary.h>
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#include <Foundation/NSMapTable.h>
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static NSMapTable* mallocAddresses;
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@implementation MallocAddress
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+ (void) initialize
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{
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if (self == [MallocAddress class])
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{
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mallocAddresses =
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NSCreateMapTable (NSNonOwnedPointerMapKeyCallBacks,
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NSNonOwnedPointerMapValueCallBacks, 0);
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}
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}
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+ objectForAddress: (void*)addr
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{
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return NSMapGet (mallocAddresses, addr);
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}
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+ autoreleaseMallocAddress: (void*)addr
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{
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id n = [[self alloc] initWithAddress:addr];
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NSMapInsert (mallocAddresses, addr, n);
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return [n autorelease];
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}
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- initWithAddress: (void*)addr
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{
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[super init];
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address = addr;
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return self;
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}
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- (void) dealloc
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{
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NSMapRemove (mallocAddresses, address);
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OBJC_FREE(address);
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[super dealloc];
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}
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@end
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