1/* 2 * Copyright (c) 2000-2004 Apple Computer, Inc. All Rights Reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. Please obtain a copy of the License at 10 * http://www.opensource.apple.com/apsl/ and read it before using this 11 * file. 12 * 13 * The Original Code and all software distributed under the License are 14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18 * Please see the License for the specific language governing rights and 19 * limitations under the License. 20 * 21 * @APPLE_LICENSE_HEADER_END@ 22 */ 23 24 25// 26// trackingallocator - Allocator that keeps track of allocations 27// 28#ifndef _H_TRACKINGALLOCATOR 29#define _H_TRACKINGALLOCATOR 30 31#include <security_utilities/alloc.h> 32#include <set> 33 34namespace Security 35{ 36 37// 38// A Allocator that keeps track of allocations and can throw everything 39// away unless explicitly committed. 40// 41class TrackingAllocator : public Allocator 42{ 43public: 44 TrackingAllocator(Allocator &inAllocator) : subAllocator(inAllocator) {} 45 virtual ~TrackingAllocator(); 46 47 Allocator &subAllocator; 48 49 // standard Allocator operations 50 void *malloc(size_t inSize) throw(std::bad_alloc); 51 void free(void *inAddress) throw(); 52 void *realloc(void *inAddress, size_t inNewSize) throw(std::bad_alloc); 53 54 // reset frees all memory; commit forgets about it all 55 void reset(); 56 void commit(); 57 58private: 59 typedef std::set<void *> AllocSet; 60 AllocSet mAllocSet; 61}; 62 63} // end namespace Security 64 65#endif //_H_TRACKINGALLOCATOR 66