Swiften: Swiften/Base/SafeAllocator.h Source File

00001 /*
00002  * Copyright (c) 2011 Remko Tronçon
00003  * Licensed under the GNU General Public License v3.
00004  * See Documentation/Licenses/GPLv3.txt for more information.
00005  */
00006 
00007 #pragma once
00008 
00009 #include <vector>
00010 #include <algorithm>
00011 
00012 namespace Swift {
00013   template<typename T>
00014   class SafeAllocator : public std::allocator<T> {
00015     public:
00016       template <class U> struct rebind {
00017         typedef SafeAllocator<U> other;
00018       };
00019 
00020       SafeAllocator() throw() {}
00021       SafeAllocator(const SafeAllocator&) throw() : std::allocator<T>() {}
00022       template <class U> SafeAllocator(const SafeAllocator<U>&) throw() {}
00023       ~SafeAllocator() throw() {}
00024 
00025       void deallocate (T* p, size_t num) {
00026         std::fill(reinterpret_cast<char*>(p), reinterpret_cast<char*>(p + num), 0);
00027         std::allocator<T>::deallocate(p, num);
00028       }
00029   };
00030 };