MarcoFalke
655970d9c6
986255026 Use the noexcept specifier (C++11) instead of deprecated throw() (practicalswift)
Pull request description:
Use the `noexcept` specifier (C++11) instead of deprecated `throw()`.
Tree-SHA512: cf9b6b18f61f2f59bbeceb2e43b5cd07a60f5e569c8def05c410cb72326d597c80cb731059969ef89fa5fddaae1242225886e6109fcb535c4ad62d56ebcdf1ea
49 lines
1.7 KiB
C++
49 lines
1.7 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2015 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_SUPPORT_ALLOCATORS_ZEROAFTERFREE_H
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#define BITCOIN_SUPPORT_ALLOCATORS_ZEROAFTERFREE_H
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#include "support/cleanse.h"
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#include <memory>
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#include <vector>
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template <typename T>
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struct zero_after_free_allocator : public std::allocator<T> {
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// MSVC8 default copy constructor is broken
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typedef std::allocator<T> base;
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typedef typename base::size_type size_type;
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typedef typename base::difference_type difference_type;
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typedef typename base::pointer pointer;
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typedef typename base::const_pointer const_pointer;
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typedef typename base::reference reference;
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typedef typename base::const_reference const_reference;
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typedef typename base::value_type value_type;
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zero_after_free_allocator() noexcept {}
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zero_after_free_allocator(const zero_after_free_allocator& a) noexcept : base(a) {}
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template <typename U>
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zero_after_free_allocator(const zero_after_free_allocator<U>& a) noexcept : base(a)
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{
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}
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~zero_after_free_allocator() noexcept {}
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template <typename _Other>
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struct rebind {
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typedef zero_after_free_allocator<_Other> other;
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};
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void deallocate(T* p, std::size_t n)
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{
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if (p != nullptr)
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memory_cleanse(p, sizeof(T) * n);
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std::allocator<T>::deallocate(p, n);
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}
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};
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// Byte-vector that clears its contents before deletion.
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typedef std::vector<char, zero_after_free_allocator<char> > CSerializeData;
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#endif // BITCOIN_SUPPORT_ALLOCATORS_ZEROAFTERFREE_H
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