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/* Provides autoreleasing of malloc'ed pointers
Copyright (C) 1995 Free Software Foundation, Inc.
Written by: R. Andrew McCallum <mccallum@gnu.ai.mit.edu>
Date: 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>
static Dictionary* mallocAddresses;
@implementation MallocAddress
+ (void) initialize
{
if (self == [MallocAddress class])
{
mallocAddresses = [[Dictionary alloc] initWithType:@encode(id)
keyType:@encode(void*)];
}
}
+ objectForAddress: (void*)addr
{
elt ret_nil(arglist_t a)
{
return (elt) nil;
}
return [mallocAddresses elementAtKey:addr ifAbsentCall:ret_nil].id_u;
}
+ autoreleaseMallocAddresss: (void*)addr
{
id n = [[self alloc] initWithAddress:addr];
[mallocAddresses putElement:n atKey:addr];
return [n autorelease];
}
- initWithAddress: (void*)addr
{
[super init];
address = addr;
return self;
}
- (void) dealloc
{
if ([[self class] objectForAddress:address])
[mallocAddresses removeElementAtKey:address];
OBJC_FREE(address);
[super dealloc];
}
@end
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