mirror of
https://github.com/monero-project/monero.git
synced 2024-10-01 11:49:47 -04:00
71 lines
2.8 KiB
C++
71 lines
2.8 KiB
C++
// Copyright (c) 2017, The Monero Project
|
|
//
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without modification, are
|
|
// permitted provided that the following conditions are met:
|
|
//
|
|
// 1. Redistributions of source code must retain the above copyright notice, this list of
|
|
// conditions and the following disclaimer.
|
|
//
|
|
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
|
|
// of conditions and the following disclaimer in the documentation and/or other
|
|
// materials provided with the distribution.
|
|
//
|
|
// 3. Neither the name of the copyright holder nor the names of its contributors may be
|
|
// used to endorse or promote products derived from this software without specific
|
|
// prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
|
|
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
|
|
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
|
|
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
#pragma once
|
|
|
|
#include <stddef.h>
|
|
#include <vector>
|
|
#include <string>
|
|
|
|
namespace epee
|
|
{
|
|
class wipeable_string
|
|
{
|
|
public:
|
|
wipeable_string() {}
|
|
wipeable_string(const wipeable_string &other);
|
|
wipeable_string(wipeable_string &&other);
|
|
wipeable_string(const std::string &other);
|
|
wipeable_string(std::string &&other);
|
|
wipeable_string(const char *s);
|
|
~wipeable_string();
|
|
void wipe();
|
|
void push_back(char c);
|
|
void pop_back();
|
|
const char *data() const noexcept { return buffer.data(); }
|
|
size_t size() const noexcept { return buffer.size(); }
|
|
bool empty() const noexcept { return buffer.empty(); }
|
|
void resize(size_t sz);
|
|
void reserve(size_t sz);
|
|
void clear();
|
|
bool operator==(const wipeable_string &other) const noexcept { return buffer == other.buffer; }
|
|
bool operator!=(const wipeable_string &other) const noexcept { return buffer != other.buffer; }
|
|
wipeable_string &operator=(wipeable_string &&other);
|
|
wipeable_string &operator=(const wipeable_string &other);
|
|
|
|
static void set_wipe(void *(*f)(void*, size_t)) { wipefunc = f; }
|
|
|
|
private:
|
|
void grow(size_t sz, size_t reserved = 0);
|
|
|
|
private:
|
|
std::vector<char> buffer;
|
|
static void *(*wipefunc)(void*, size_t);
|
|
};
|
|
}
|