rawaccel/common/utility-install.hpp
a1xd 41d73f257a improve installer
use standard syntax for service binpath

throw if copy_file fails
2021-09-23 22:36:19 -04:00

45 lines
1.3 KiB
C++

#pragma once
#include <filesystem>
#include <Windows.h>
#include "external/WinReg.hpp"
namespace fs = std::filesystem;
namespace wr = winreg;
inline const std::wstring DRIVER_NAME = L"rawaccel";
inline const std::wstring DRIVER_FILE_NAME = DRIVER_NAME + L".sys";
inline const std::wstring DRIVER_ENV_PATH = L"%systemroot%\\system32\\drivers\\" + DRIVER_FILE_NAME;
inline const auto sys_error = [](auto what, DWORD code = GetLastError()) {
return std::system_error(code, std::system_category(), what);
};
inline std::wstring expand(const std::wstring& env_path) {
std::wstring path(MAX_PATH, L'\0');
auto len = ExpandEnvironmentStringsW(env_path.c_str(), &path[0], MAX_PATH);
if (len == 0) throw sys_error("ExpandEnvironmentStrings failed");
path.resize(len - 1);
return path;
}
inline fs::path make_temp_path(const fs::path& p) {
auto tmp_path = p;
tmp_path.concat(L".tmp");
return tmp_path;
}
template<typename Func>
void modify_upper_filters(Func fn) {
const std::wstring FILTERS_NAME = L"UpperFilters";
wr::RegKey key(
HKEY_LOCAL_MACHINE,
L"SYSTEM\\CurrentControlSet\\Control\\Class\\{4d36e96f-e325-11ce-bfc1-08002be10318}"
);
std::vector<std::wstring> filters = key.GetMultiStringValue(FILTERS_NAME);
fn(filters);
key.SetMultiStringValue(FILTERS_NAME, filters);
}