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https://github.com/monero-project/monero.git
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fde4489e1d
since the original reason for the indirect call (that memwipe was not in contrib) is now gone
68 lines
2.7 KiB
C++
68 lines
2.7 KiB
C++
// Copyright (c) 2017-2018, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#pragma once
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#include <stddef.h>
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#include <vector>
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#include <string>
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namespace epee
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{
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class wipeable_string
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{
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public:
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wipeable_string() {}
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wipeable_string(const wipeable_string &other);
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wipeable_string(wipeable_string &&other);
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wipeable_string(const std::string &other);
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wipeable_string(std::string &&other);
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wipeable_string(const char *s);
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~wipeable_string();
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void wipe();
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void push_back(char c);
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void pop_back();
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const char *data() const noexcept { return buffer.data(); }
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size_t size() const noexcept { return buffer.size(); }
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bool empty() const noexcept { return buffer.empty(); }
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void resize(size_t sz);
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void reserve(size_t sz);
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void clear();
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bool operator==(const wipeable_string &other) const noexcept { return buffer == other.buffer; }
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bool operator!=(const wipeable_string &other) const noexcept { return buffer != other.buffer; }
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wipeable_string &operator=(wipeable_string &&other);
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wipeable_string &operator=(const wipeable_string &other);
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private:
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void grow(size_t sz, size_t reserved = 0);
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private:
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std::vector<char> buffer;
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};
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}
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