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chore: Use nullptr instead of NULL in Windows watchdog

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This commit is contained in:
Nick Bolton
2025-03-03 11:20:05 +00:00
parent f7ab6aba58
commit 0891afdd63
1 changed files with 10 additions and 10 deletions
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20
src/lib/platform/MSWindowsWatchdog.cpp
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@ -53,12 +53,12 @@ typedef VOID(WINAPI *SendSas)(BOOL asUser);
const char g_activeDesktop[] = {"activeDesktop:"};
MSWindowsWatchdog::MSWindowsWatchdog(bool foreground)
: m_thread(NULL),
: m_thread(nullptr),
m_outputWritePipe(nullptr),
m_outputReadPipe(nullptr),
m_elevateProcess(false),
m_startFailures(0),
m_fileLogOutputter(NULL),
m_fileLogOutputter(nullptr),
m_foreground(foreground)
{
}
@ -122,7 +122,7 @@ MSWindowsWatchdog::getUserToken(LPSECURITY_ATTRIBUTES security, bool elevatedTok
// elevate for the uac dialog (consent.exe) but this would be pointless,
// since deskflow would re-launch as non-elevated after the desk switch,
// and so would be unusable with the new elevated process taking focus.
if (elevatedToken || m_session.isProcessInSession("logonui.exe", NULL)) {
if (elevatedToken || m_session.isProcessInSession("logonui.exe", nullptr)) {
LOG((CLOG_DEBUG "getting elevated token, %s", (elevatedToken ? "elevation required" : "at login screen")));
@ -152,7 +152,7 @@ void MSWindowsWatchdog::mainLoop(void *)
// the SendSAS function is used to send a sas (secure attention sequence) to the
// winlogon process. this is used to switch to the login screen.
SendSas sendSasFunc = NULL;
SendSas sendSasFunc = nullptr;
HINSTANCE sasLib = LoadLibrary("sas.dll");
if (sasLib) {
LOG_DEBUG("loaded sas.dll, used to simulate ctrl-alt-del");
@ -166,7 +166,7 @@ void MSWindowsWatchdog::mainLoop(void *)
SECURITY_ATTRIBUTES saAttr;
saAttr.nLength = sizeof(SECURITY_ATTRIBUTES);
saAttr.bInheritHandle = TRUE;
saAttr.lpSecurityDescriptor = NULL;
saAttr.lpSecurityDescriptor = nullptr;
if (!CreatePipe(&m_outputReadPipe, &m_outputWritePipe, &saAttr, 0)) {
LOG_ERR("could not create output pipe");
@ -240,9 +240,9 @@ void MSWindowsWatchdog::mainLoop(void *)
// TODO: This seems like a hack, why would we need to send the SAS function every loop iteration?
// This slows down both the process relaunch speed and the watchdog thread loop shut down time.
if (sendSasFunc != NULL) {
HANDLE sendSasEvent = CreateEvent(NULL, FALSE, FALSE, "Global\\SendSAS");
if (sendSasEvent != NULL) {
if (sendSasFunc != nullptr) {
HANDLE sendSasEvent = CreateEvent(nullptr, FALSE, FALSE, "Global\\SendSAS");
if (sendSasEvent != nullptr) {
// use SendSAS event to wait for next session (timeout 1 second).
if (WaitForSingleObject(sendSasEvent, 1000) == WAIT_OBJECT_0) {
LOG_DEBUG("calling SendSAS from sas.dll");
@ -374,7 +374,7 @@ void MSWindowsWatchdog::outputLoop(void *)
while (m_running) {
DWORD bytesRead;
BOOL success = ReadFile(m_outputReadPipe, buffer, kOutputBufferSize, &bytesRead, NULL);
BOOL success = ReadFile(m_outputReadPipe, buffer, kOutputBufferSize, &bytesRead, nullptr);
if (!success || bytesRead == 0) {
// Sleep for only 100ms rather than 1 second so that the service can shut down faster.
@ -396,7 +396,7 @@ void MSWindowsWatchdog::outputLoop(void *)
}
}
if (m_fileLogOutputter != NULL) {
if (m_fileLogOutputter != nullptr) {
m_fileLogOutputter->write(kPRINT, output.c_str());
}