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// Copyright (c) 2015 Egor Tensin <Egor.Tensin@gmail.com>
// This file is part of the "Windows 7 drivers" project.
// For details, see https://github.com/egor-tensin/windows7-drivers.
// Distributed under the MIT License.
#include "libnt_path_converter/device.hpp"
#include "libservice/all.hpp"
#include <Windows.h>
#include <string>
#include <vector>
namespace libnt_path_converter
{
namespace
{
const char* const device_path = "\\\\.\\nt_path_converter";
const auto control_code = CTL_CODE(0x8000, 0x800, METHOD_BUFFERED, FILE_ANY_ACCESS);
}
Device::Device()
: libservice::Device(libservice::Device::open(device_path))
{ }
std::wstring Device::convert_nt_path(const std::wstring& src)
{
const auto in_buf = src.c_str();
const auto in_buf_size = (src.size() + 1) * sizeof(wchar_t);
const auto nbreq = get_required_output_size(
control_code,
in_buf,
in_buf_size);
std::vector<unsigned char> output(nbreq);
send_control_code(
control_code,
in_buf,
in_buf_size,
output.data(),
nbreq);
return reinterpret_cast<wchar_t*>(output.data());
}
}
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