Code modernize ...

* replace 0/NULL with nullptr [using clang-tidy]

14 files changed, 127 insertions, 127 deletions

diff --git a/protocols/FacebookRM/src/avatars.cpp b/protocols/FacebookRM/src/avatars.cpp
index da7be52e72..41e3c5d341 100644
--- a/protocols/FacebookRM/src/avatars.cpp
+++ b/protocols/FacebookRM/src/avatars.cpp
@@ -80,13 +80,13 @@ void FacebookProto::CheckAvatarChange(MCONTACT hContact, const std::string &imag
 	}

 	else if (update_required) {

 		db_set_b(hContact, "ContactPhoto", "NeedUpdate", 1);

-		ProtoBroadcastAck(hContact, ACKTYPE_AVATAR, ACKRESULT_STATUS, 0);

+		ProtoBroadcastAck(hContact, ACKTYPE_AVATAR, ACKRESULT_STATUS, nullptr);

 	}

 }

 

 void FacebookProto::UpdateAvatarWorker(void *)

 {

-	HNETLIBCONN nlc = NULL;

+	HNETLIBCONN nlc = nullptr;

 

 	debugLogA("*** UpdateAvatarWorker");

 

@@ -178,7 +178,7 @@ INT_PTR FacebookProto::GetAvatarInfo(WPARAM wParam, LPARAM lParam)
 		return GAIR_NOAVATAR;

 

 	PROTO_AVATAR_INFORMATION* pai = (PROTO_AVATAR_INFORMATION*)lParam;

-	if (GetDbAvatarInfo(*pai, NULL))

+	if (GetDbAvatarInfo(*pai, nullptr))

 	{

 		bool fileExist = _waccess(pai->filename, 0) == 0;

 

@@ -198,7 +198,7 @@ INT_PTR FacebookProto::GetAvatarInfo(WPARAM wParam, LPARAM lParam)
 				bool is_empty = avatar_queue.empty();

 				avatar_queue.push_back(pai->hContact);

 				if (is_empty)

-					ForkThread(&FacebookProto::UpdateAvatarWorker, NULL);

+					ForkThread(&FacebookProto::UpdateAvatarWorker, nullptr);

 			}

 			return GAIR_WAITFOR;

 		}

diff --git a/protocols/FacebookRM/src/captcha.cpp b/protocols/FacebookRM/src/captcha.cpp
index 8e65cf6374..6f09eeaae9 100644
--- a/protocols/FacebookRM/src/captcha.cpp
+++ b/protocols/FacebookRM/src/captcha.cpp
@@ -111,7 +111,7 @@ bool FacebookProto::RunCaptchaForm(std::string captchaUrl, std::string &result)
 	req.flags = NLHRF_NODUMPHEADERS;
 
 	NETLIBHTTPREQUEST *reply = Netlib_HttpTransaction(facy.handle_, &req);
-	if (reply == NULL)
+	if (reply == nullptr)
 		return false;
 
 	if (reply->resultCode != HTTP_CODE_OK) {
@@ -119,7 +119,7 @@ bool FacebookProto::RunCaptchaForm(std::string captchaUrl, std::string &result)
 		return false;
 	}
 
-	CAPTCHA_FORM_PARAMS param = { 0 };
+	CAPTCHA_FORM_PARAMS param = {};
 
 	IMGSRVC_MEMIO memio = { 0 };
 	memio.iLen = reply->dataLength;
@@ -131,7 +131,7 @@ bool FacebookProto::RunCaptchaForm(std::string captchaUrl, std::string &result)
 	GetObject(param.bmp, sizeof(bmp), &bmp);
 	param.w = bmp.bmWidth;
 	param.h = bmp.bmHeight;
-	int res = DialogBoxParam(g_hInstance, MAKEINTRESOURCE(IDD_CAPTCHAFORM), NULL, CaptchaFormDlgProc, (LPARAM)&param);
+	int res = DialogBoxParam(g_hInstance, MAKEINTRESOURCE(IDD_CAPTCHAFORM), nullptr, CaptchaFormDlgProc, (LPARAM)&param);
 	if (res == 0)
 		return false;
 
diff --git a/protocols/FacebookRM/src/chat.cpp b/protocols/FacebookRM/src/chat.cpp
index 966a7a0d76..3d35fb179f 100644
--- a/protocols/FacebookRM/src/chat.cpp
+++ b/protocols/FacebookRM/src/chat.cpp
@@ -37,8 +37,8 @@ void FacebookProto::UpdateChat(const char *chat_id, const char *id, const char *
 
 	GCEVENT gce = { m_szModuleName, tchat_id, GC_EVENT_MESSAGE };
 	gce.ptszText = ttext;
-	gce.time = timestamp ? timestamp : ::time(NULL);
-	if (id != NULL)
+	gce.time = timestamp ? timestamp : ::time(nullptr);
+	if (id != nullptr)
 		gce.bIsMe = !mir_strcmp(id, facy.self_.user_id.c_str());
 	gce.dwFlags |= GCEF_ADDTOLOG;
 	if (is_old) {
@@ -172,7 +172,7 @@ void FacebookProto::AddChatContact(const char *chat_id, const chatroom_participa
 	gce.dwFlags = addToLog ? GCEF_ADDTOLOG : 0;
 	gce.ptszNick = tnick;
 	gce.ptszUID = tid;
-	gce.time = ::time(NULL);
+	gce.time = ::time(nullptr);
 	gce.bIsMe = (user.role == ROLE_ME);
 
 	if (user.is_former) {
@@ -209,7 +209,7 @@ void FacebookProto::RemoveChatContact(const char *chat_id, const char *id, const
 	gce.dwFlags = GCEF_ADDTOLOG;
 	gce.ptszNick = tnick;
 	gce.ptszUID = tid;
-	gce.time = ::time(NULL);
+	gce.time = ::time(nullptr);
 	gce.bIsMe = false;
 
 	Chat_Event(&gce);
@@ -233,7 +233,7 @@ char *FacebookProto::GetChatUsers(const char *chat_id)
 bool FacebookProto::IsChatContact(const char *chat_id, const char *id)
 {
 	ptrA users(GetChatUsers(chat_id));
-	return (users != NULL && strstr(users, id) != NULL);
+	return (users != NULL && strstr(users, id) != nullptr);
 }
 
 void FacebookProto::AddChat(const char *id, const wchar_t *tname)
@@ -308,7 +308,7 @@ INT_PTR FacebookProto::OnJoinChat(WPARAM hContact, LPARAM)
 
 INT_PTR FacebookProto::OnLeaveChat(WPARAM wParam, LPARAM)
 {
-	ptrW idT(wParam ? getWStringA(wParam, "ChatRoomID") : NULL);
+	ptrW idT(wParam ? getWStringA(wParam, "ChatRoomID") : nullptr);
 
 	Chat_Control(m_szModuleName, idT, SESSION_OFFLINE);
 	Chat_Terminate(m_szModuleName, idT);
@@ -335,7 +335,7 @@ int FacebookProto::OnGCMenuHook(WPARAM, LPARAM lParam)
 {
 	GCMENUITEMS *gcmi = (GCMENUITEMS*)lParam;
 
-	if (gcmi == NULL || _stricmp(gcmi->pszModule, m_szModuleName)) return 0;
+	if (gcmi == nullptr || _stricmp(gcmi->pszModule, m_szModuleName)) return 0;
 
 	if (gcmi->Type == MENU_ON_LOG)
 	{
@@ -416,7 +416,7 @@ void FacebookProto::UpdateNotificationsChatRoom(facebook_notification *notificat
 
 	GCEVENT gce = { m_szModuleName, _A2W(FACEBOOK_NOTIFICATIONS_CHATROOM), GC_EVENT_MESSAGE };
 	gce.ptszText = messageT;
-	gce.time = notification->time ? notification->time : ::time(NULL);
+	gce.time = notification->time ? notification->time : ::time(nullptr);
 	gce.bIsMe = false;
 	gce.dwFlags |= GCEF_ADDTOLOG;
 	gce.ptszNick = TranslateT("Notifications");
diff --git a/protocols/FacebookRM/src/communication.cpp b/protocols/FacebookRM/src/communication.cpp
index 514ab9ccef..7d41c10e2e 100644
--- a/protocols/FacebookRM/src/communication.cpp
+++ b/protocols/FacebookRM/src/communication.cpp
@@ -42,7 +42,7 @@ http::response facebook_client::sendRequest(HttpRequest *request)
 	}
 
 	// Check and append user defined locale if request doesn't have it forced already
-	if (!parent->m_locale.empty() && strstr(request->szUrl, "&locale=") == NULL)
+	if (!parent->m_locale.empty() && strstr(request->szUrl, "&locale=") == nullptr)
 		request->Url << CHAR_VALUE("locale", parent->m_locale.c_str());
 
 	request->Headers
@@ -68,7 +68,7 @@ http::response facebook_client::sendRequest(HttpRequest *request)
 	// Set persistent connection (or not)
 	switch (request->Persistent) {
 	case ChannelRequest::NONE:
-		request->nlc = NULL;
+		request->nlc = nullptr;
 		request->flags &= ~NLHRF_PERSISTENT;
 		break;
 	case ChannelRequest::CHANNEL:
@@ -96,19 +96,19 @@ http::response facebook_client::sendRequest(HttpRequest *request)
 	case ChannelRequest::NONE:
 		break;
 	case ChannelRequest::CHANNEL:
-		hChannelCon = pnlhr ? pnlhr->nlc : NULL;
+		hChannelCon = pnlhr ? pnlhr->nlc : nullptr;
 		break;
 	case ChannelRequest::MESSAGES:
-		hMessagesCon = pnlhr ? pnlhr->nlc : NULL;
+		hMessagesCon = pnlhr ? pnlhr->nlc : nullptr;
 		break;
 	case ChannelRequest::DEFAULT:
 		ReleaseMutex(fcb_conn_lock_);
-		hFcbCon = pnlhr ? pnlhr->nlc : NULL;
+		hFcbCon = pnlhr ? pnlhr->nlc : nullptr;
 		break;
 	}
 
 	// Check and copy response data
-	if (pnlhr != NULL) {
+	if (pnlhr != nullptr) {
 		parent->debugLogA("@@@ Got response with code %d", pnlhr->resultCode);
 		store_headers(&resp, pnlhr->headers, pnlhr->headersCount);
 		resp.code = pnlhr->resultCode;
@@ -293,7 +293,7 @@ void facebook_client::clear_notifications()
 	ScopedLock s(notifications_lock_);
 
 	for (auto it = notifications.begin(); it != notifications.end();) {
-		if (it->second->hWndPopup != NULL)
+		if (it->second->hWndPopup != nullptr)
 			PUDeletePopup(it->second->hWndPopup); // close popup
 
 		delete it->second;
@@ -570,7 +570,7 @@ bool facebook_client::login(const char *username, const char *password)
 						tszMessage.AppendFormat(L"\n\n%s", ptrW(mir_utf8decodeW(activity.c_str())));
 					}
 
-					if (MessageBox(0, tszMessage, tszTitle, MB_ICONWARNING | MB_YESNO | MB_DEFBUTTON1) != IDYES) {
+					if (MessageBox(nullptr, tszMessage, tszTitle, MB_ICONWARNING | MB_YESNO | MB_DEFBUTTON1) != IDYES) {
 						// We will cancel connecting right away, because we don't want to handle password changing via Miranda
 						client_notify(TranslateT("Login error: You need to confirm last unknown login or revoke it from web browser."));
 						return handle_error("login", FORCE_QUIT);
@@ -1007,7 +1007,7 @@ bool facebook_client::activity_ping()
 	http::response resp = sendRequest(request);
 
 	// Remember this last ping time
-	parent->m_pingTS = ::time(NULL);
+	parent->m_pingTS = ::time(nullptr);
 
 	if (resp.data.empty() || resp.data.find("\"t\":\"pong\"") == resp.data.npos) {
 		// Something went wrong
@@ -1143,7 +1143,7 @@ int facebook_client::send_message(int seqid, MCONTACT hContact, const std::strin
 
 bool facebook_client::post_status(status_data *status)
 {
-	if (status == NULL || (status->text.empty() && status->url.empty()))
+	if (status == nullptr || (status->text.empty() && status->url.empty()))
 		return false;
 
 	handle_entry("post_status");
@@ -1213,7 +1213,7 @@ bool facebook_client::save_url(const std::string &url, const std::wstring &filen
 
 		// Write to file
 		FILE *f = _wfopen(filename.c_str(), L"wb");
-		if (f != NULL) {
+		if (f != nullptr) {
 			fwrite(resp->pData, 1, resp->dataLength, f);
 			fclose(f);
 
@@ -1223,7 +1223,7 @@ bool facebook_client::save_url(const std::string &url, const std::wstring &filen
 		Netlib_FreeHttpRequest(resp);
 	}
 	else {
-		nlc = NULL;
+		nlc = nullptr;
 	}
 
 	return ret;
diff --git a/protocols/FacebookRM/src/connection.cpp b/protocols/FacebookRM/src/connection.cpp
index 613e25427f..80d4b6e95a 100644
--- a/protocols/FacebookRM/src/connection.cpp
+++ b/protocols/FacebookRM/src/connection.cpp
@@ -40,13 +40,13 @@ void FacebookProto::ChangeStatus(void*)
 		Netlib_Shutdown(facy.hChannelCon);
 		if (facy.hChannelCon)
 			Netlib_CloseHandle(facy.hChannelCon);
-		facy.hChannelCon = NULL;
+		facy.hChannelCon = nullptr;
 
 		// Shutdown and close messages handle
 		Netlib_Shutdown(facy.hMessagesCon);
 		if (facy.hMessagesCon)
 			Netlib_CloseHandle(facy.hMessagesCon);
-		facy.hMessagesCon = NULL;
+		facy.hMessagesCon = nullptr;
 
 		// Turn off chat on Facebook
 		if (getByte(FACEBOOK_KEY_DISCONNECT_CHAT, DEFAULT_DISCONNECT_CHAT))
@@ -84,7 +84,7 @@ void FacebookProto::ChangeStatus(void*)
 		// Close connection handle
 		if (facy.hFcbCon)
 			Netlib_CloseHandle(facy.hFcbCon);
-		facy.hFcbCon = NULL;
+		facy.hFcbCon = nullptr;
 
 		m_iStatus = facy.self_.status_id = ID_STATUS_OFFLINE;
 		ProtoBroadcastAck(0, ACKTYPE_STATUS, ACKRESULT_SUCCESS, (HANDLE)old_status, m_iStatus);
@@ -115,38 +115,38 @@ void FacebookProto::ChangeStatus(void*)
 		if (NegotiateConnection() && facy.home() && facy.reconnect())
 		{
 			// Load all friends
-			ProcessFriendList(NULL);
+			ProcessFriendList(nullptr);
 
 			// Process friendship requests
-			ForkThread(&FacebookProto::ProcessFriendRequests, NULL);
+			ForkThread(&FacebookProto::ProcessFriendRequests, nullptr);
 
 			// Get unread messages
-			ForkThread(&FacebookProto::ProcessUnreadMessages, NULL);
+			ForkThread(&FacebookProto::ProcessUnreadMessages, nullptr);
 
 			// Get notifications
 			if (getByte(FACEBOOK_KEY_EVENT_NOTIFICATIONS_ENABLE, DEFAULT_EVENT_NOTIFICATIONS_ENABLE))
-				ForkThread(&FacebookProto::ProcessNotifications, NULL);
+				ForkThread(&FacebookProto::ProcessNotifications, nullptr);
 
 			// Load pages for post status dialog
-			ForkThread(&FacebookProto::ProcessPages, NULL);
+			ForkThread(&FacebookProto::ProcessPages, nullptr);
 
 			// Load on this day posts
 			if (getByte(FACEBOOK_KEY_EVENT_ON_THIS_DAY_ENABLE, DEFAULT_EVENT_ON_THIS_DAY_ENABLE))
-				ForkThread(&FacebookProto::ProcessMemories, NULL);
+				ForkThread(&FacebookProto::ProcessMemories, nullptr);
 
-			setDword(FACEBOOK_KEY_LOGON_TS, (DWORD)time(NULL));
-			ForkThread(&FacebookProto::UpdateLoop, NULL);
-			ForkThread(&FacebookProto::MessageLoop, NULL);
+			setDword(FACEBOOK_KEY_LOGON_TS, (DWORD)time(nullptr));
+			ForkThread(&FacebookProto::UpdateLoop, nullptr);
+			ForkThread(&FacebookProto::MessageLoop, nullptr);
 
 			if (getByte(FACEBOOK_KEY_SET_MIRANDA_STATUS, DEFAULT_SET_MIRANDA_STATUS))
-				ForkThread(&FacebookProto::SetAwayMsgWorker, NULL);
+				ForkThread(&FacebookProto::SetAwayMsgWorker, nullptr);
 		}
 		else {
 			ProtoBroadcastAck(0, ACKTYPE_STATUS, ACKRESULT_FAILED, (HANDLE)old_status, m_iStatus);
 
 			if (facy.hFcbCon)
 				Netlib_CloseHandle(facy.hFcbCon);
-			facy.hFcbCon = NULL;
+			facy.hFcbCon = nullptr;
 
 			facy.clear_cookies();
 
@@ -181,7 +181,7 @@ void FacebookProto::ChangeStatus(void*)
 	bool isAwayOrInvisible = (new_status == ID_STATUS_AWAY || new_status == ID_STATUS_INVISIBLE);
 	if (!wasAwayOrInvisible && isAwayOrInvisible) {
 		// Switching from "not-away" to "away" state, remember timestamp of this change (and if we are idle already, use the idle time)
-		m_awayTS = (m_idleTS > 0 ? m_idleTS : ::time(NULL));
+		m_awayTS = (m_idleTS > 0 ? m_idleTS : ::time(nullptr));
 	}
 	else if (wasAwayOrInvisible && !isAwayOrInvisible) {
 		// Switching from "away" to "not-away" state, reset the timestamp
@@ -217,7 +217,7 @@ bool FacebookProto::NegotiateConnection()
 	password = mir_utf8encode(password);
 
 	// Refresh last time of feeds update
-	facy.last_feeds_update_ = ::time(NULL);
+	facy.last_feeds_update_ = ::time(nullptr);
 
 	// Generate random clientid for this connection
 	facy.chat_clientid_ = utils::text::rand_string(8, "0123456789abcdef", &facy.random_);
@@ -231,14 +231,14 @@ bool FacebookProto::NegotiateConnection()
 
 void FacebookProto::UpdateLoop(void *)
 {
-	time_t tim = ::time(NULL);
+	time_t tim = ::time(nullptr);
 	debugLogA(">>> Entering Facebook::UpdateLoop[%d]", tim);
 
 	for (int i = -1; !isOffline(); i = (i + 1) % 50)
 	{
 		if (i != -1) {
 			if (getByte(FACEBOOK_KEY_EVENT_FEEDS_ENABLE, DEFAULT_EVENT_FEEDS_ENABLE))
-				ProcessFeeds(NULL);
+				ProcessFeeds(nullptr);
 		}
 
 		debugLogA("*** FacebookProto::UpdateLoop[%d] going to sleep...", tim);
@@ -253,7 +253,7 @@ void FacebookProto::UpdateLoop(void *)
 
 void FacebookProto::MessageLoop(void *)
 {
-	time_t tim = ::time(NULL);
+	time_t tim = ::time(nullptr);
 	debugLogA(">>> Entering Facebook::MessageLoop[%d]", tim);
 
 	while (facy.channel())
@@ -262,7 +262,7 @@ void FacebookProto::MessageLoop(void *)
 			break;
 
 		// If we're not idle, send activity_ping every few minutes...
-		if (!m_idleTS && (::time(NULL) - m_pingTS) > FACEBOOK_PING_TIME) {
+		if (!m_idleTS && (::time(nullptr) - m_pingTS) > FACEBOOK_PING_TIME) {
 			debugLogA("*** FacebookProto::MessageLoop[%d] pinging...", tim);
 			facy.activity_ping();
 		}
diff --git a/protocols/FacebookRM/src/contacts.cpp b/protocols/FacebookRM/src/contacts.cpp
index 3433941bca..75b7e7de68 100644
--- a/protocols/FacebookRM/src/contacts.cpp
+++ b/protocols/FacebookRM/src/contacts.cpp
@@ -410,7 +410,7 @@ void FacebookProto::DeleteContactFromServer(void *data)
 {
 	facy.handle_entry("DeleteContactFromServer");
 
-	if (data == NULL)
+	if (data == nullptr)
 		return;
 
 	std::string id = *(std::string*)data;
@@ -436,7 +436,7 @@ void FacebookProto::DeleteContactFromServer(void *data)
 		if (hContact != NULL) {
 			setWord(hContact, "Status", ID_STATUS_OFFLINE);
 			setByte(hContact, FACEBOOK_KEY_CONTACT_TYPE, CONTACT_NONE);
-			setDword(hContact, FACEBOOK_KEY_DELETED, ::time(NULL));
+			setDword(hContact, FACEBOOK_KEY_DELETED, ::time(nullptr));
 		}
 
 		NotifyEvent(m_tszUserName, TranslateT("Contact was removed from your server list."), NULL, EVENT_FRIENDSHIP);
@@ -453,7 +453,7 @@ void FacebookProto::AddContactToServer(void *data)
 {
 	facy.handle_entry("AddContactToServer");
 
-	if (data == NULL)
+	if (data == nullptr)
 		return;
 
 	std::string id = *(std::string*)data;
@@ -485,7 +485,7 @@ void FacebookProto::ApproveContactToServer(void *data)
 {
 	facy.handle_entry("ApproveContactToServer");
 
-	if (data == NULL)
+	if (data == nullptr)
 		return;
 
 	MCONTACT hContact = *(MCONTACT*)data;
@@ -517,7 +517,7 @@ void FacebookProto::CancelFriendsRequest(void *data)
 {
 	facy.handle_entry("CancelFriendsRequest");
 
-	if (data == NULL)
+	if (data == nullptr)
 		return;
 
 	MCONTACT hContact = *(MCONTACT*)data;
@@ -549,7 +549,7 @@ void FacebookProto::IgnoreFriendshipRequest(void *data)
 {
 	facy.handle_entry("IgnoreFriendshipRequest");
 
-	if (data == NULL)
+	if (data == nullptr)
 		return;
 
 	MCONTACT hContact = *(MCONTACT*)data;
@@ -585,7 +585,7 @@ void FacebookProto::SendPokeWorker(void *p)
 {
 	facy.handle_entry("SendPokeWorker");
 
-	if (p == NULL)
+	if (p == nullptr)
 		return;
 
 	std::string *id = (std::string*)p;
@@ -622,7 +622,7 @@ void FacebookProto::SendPokeWorker(void *p)
 
 void FacebookProto::RefreshUserInfo(void *data)
 {
-	if (data == NULL)
+	if (data == nullptr)
 		return;
 
 	MCONTACT hContact = *(MCONTACT*)data;
@@ -630,7 +630,7 @@ void FacebookProto::RefreshUserInfo(void *data)
 
 	ptrA user_id(getStringA(hContact, FACEBOOK_KEY_ID));
 	if (user_id == NULL || isOffline()) {
-		ProtoBroadcastAck(hContact, ACKTYPE_GETINFO, ACKRESULT_FAILED, (HANDLE)0, 0);
+		ProtoBroadcastAck(hContact, ACKTYPE_GETINFO, ACKRESULT_FAILED, (HANDLE)nullptr, 0);
 		return;
 	}
 	
@@ -700,13 +700,13 @@ void FacebookProto::RefreshUserInfo(void *data)
 		}
 	}
 
-	ProtoBroadcastAck(hContact, ACKTYPE_GETINFO, ACKRESULT_SUCCESS, (HANDLE)0, 0);
+	ProtoBroadcastAck(hContact, ACKTYPE_GETINFO, ACKRESULT_SUCCESS, (HANDLE)nullptr, 0);
 }
 
 
 HANDLE FacebookProto::GetAwayMsg(MCONTACT)
 {
-	return 0; // Status messages are disabled
+	return nullptr; // Status messages are disabled
 }
 
 int FacebookProto::OnContactDeleted(WPARAM wParam, LPARAM)
diff --git a/protocols/FacebookRM/src/dialogs.cpp b/protocols/FacebookRM/src/dialogs.cpp
index 8874d141bf..d35042b74a 100644
--- a/protocols/FacebookRM/src/dialogs.cpp
+++ b/protocols/FacebookRM/src/dialogs.cpp
@@ -174,7 +174,7 @@ void ResizeHorizontal(HWND hwnd, bool wide) {
 	RECT r = { 0, 0, wide ? 422 : 271, 116 };
 	MapDialogRect(hwnd, &r);
 	r.bottom += GetSystemMetrics(SM_CYSMCAPTION);
-	SetWindowPos(hwnd, 0, 0, 0, r.right, r.bottom, SWP_NOMOVE | SWP_NOZORDER);
+	SetWindowPos(hwnd, nullptr, 0, 0, r.right, r.bottom, SWP_NOMOVE | SWP_NOZORDER);
 	SetDlgItemText(hwnd, IDC_EXPAND, (wide ? TranslateT("<< Contacts") : TranslateT("Contacts >>")));
 	ShowWindow(GetDlgItem(hwnd, IDC_CCLIST), wide);
 	ShowWindow(GetDlgItem(hwnd, IDC_CCLIST_LABEL), wide);
@@ -413,7 +413,7 @@ INT_PTR CALLBACK FBOptionsProc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lp
 			}
 			else {
 				proto->delSetting(FACEBOOK_KEY_DEF_GROUP);
-				proto->m_tszDefaultGroup = NULL;
+				proto->m_tszDefaultGroup = nullptr;
 			}				
 
 			StoreDBCheckState(proto, hwnd, IDC_SET_IGNORE_STATUS, FACEBOOK_KEY_DISABLE_STATUS_NOTIFY);
@@ -477,7 +477,7 @@ INT_PTR CALLBACK FBOptionsStatusesProc(HWND hwnd, UINT message, WPARAM, LPARAM l
 			{
 				proto->setByte(FACEBOOK_KEY_SET_MIRANDA_STATUS, setStatus);
 				if (setStatus && proto->isOnline())
-					proto->ForkThread(&FacebookProto::SetAwayMsgWorker, NULL);
+					proto->ForkThread(&FacebookProto::SetAwayMsgWorker, nullptr);
 			}
 
 			return TRUE;
@@ -616,7 +616,7 @@ INT_PTR CALLBACK FBOptionsMessagingProc(HWND hwnd, UINT message, WPARAM wparam,
 			StoreDBCheckState(proto, hwnd, IDC_HIDE_CHATS, FACEBOOK_KEY_HIDE_CHATS);
 			StoreDBCheckState(proto, hwnd, IDC_JOIN_EXISTING_CHATS, FACEBOOK_KEY_JOIN_EXISTING_CHATS);
 
-			int count = GetDlgItemInt(hwnd, IDC_MESSAGES_COUNT, NULL, TRUE);
+			int count = GetDlgItemInt(hwnd, IDC_MESSAGES_COUNT, nullptr, TRUE);
 			count = min(count, FACEBOOK_MESSAGES_ON_OPEN_LIMIT);
 			proto->setByte(FACEBOOK_KEY_MESSAGES_ON_OPEN_COUNT, count);
 		}
diff --git a/protocols/FacebookRM/src/events.cpp b/protocols/FacebookRM/src/events.cpp
index 13129f43f3..c54c59eac6 100644
--- a/protocols/FacebookRM/src/events.cpp
+++ b/protocols/FacebookRM/src/events.cpp
@@ -24,8 +24,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 HWND FacebookProto::NotifyEvent(wchar_t* title, wchar_t* text, MCONTACT contact, EventType type, std::string *url, std::string *notification_id, const char *icon)
 {
-	if (title == NULL || text == NULL)
-		return NULL;
+	if (title == nullptr || text == nullptr)
+		return nullptr;
 
 	char name[256];
 
@@ -80,15 +80,15 @@ HWND FacebookProto::NotifyEvent(wchar_t* title, wchar_t* text, MCONTACT contact,
 			pd.pwszText = text;
 			pd.pszClassName = name;
 			pd.hContact = contact;
-			if (icon != NULL) {
+			if (icon != nullptr) {
 				// pd.hIcon = IcoLib_GetIconByHandle(GetIconHandle(icon)); // FIXME: Uncomment when implemented in Popup+ and YAPP correctly
 			}
 
-			if (url != NULL || notification_id != NULL) {
+			if (url != nullptr || notification_id != nullptr) {
 				popup_data *data = new popup_data(this);
-				if (url != NULL)
+				if (url != nullptr)
 					data->url = *url;
-				if (notification_id != NULL)
+				if (notification_id != nullptr)
 					data->notification_id = *notification_id;
 				pd.PluginData = data;
 			}
@@ -98,11 +98,11 @@ HWND FacebookProto::NotifyEvent(wchar_t* title, wchar_t* text, MCONTACT contact,
 	}
 	else {
 		if (!Clist_TrayNotifyW(m_szModuleName, title, text, type == EVENT_CLIENT ? NIIF_WARNING : NIIF_INFO, 10000))
-			return NULL;
+			return nullptr;
 	}
 
 	if (type == EVENT_CLIENT)
-		MessageBox(NULL, text, title, MB_OK | MB_ICONERROR);
+		MessageBox(nullptr, text, title, MB_OK | MB_ICONERROR);
 
-	return NULL;
+	return nullptr;
 }
diff --git a/protocols/FacebookRM/src/json.cpp b/protocols/FacebookRM/src/json.cpp
index 94791a1324..165436cb1b 100644
--- a/protocols/FacebookRM/src/json.cpp
+++ b/protocols/FacebookRM/src/json.cpp
@@ -762,13 +762,13 @@ int facebook_json_parser::parse_messages(std::string *pData, std::vector<faceboo
 
 				// Notify it, if user wants to be notified
 				if (proto->getByte(FACEBOOK_KEY_EVENT_FRIENDSHIP_ENABLE, DEFAULT_EVENT_FRIENDSHIP_ENABLE)) {
-					proto->NotifyEvent(proto->m_tszUserName, ptrW(mir_utf8decodeW(text.c_str())), NULL, EVENT_FRIENDSHIP, &url, alert_id.empty() ? NULL : &alert_id);
+					proto->NotifyEvent(proto->m_tszUserName, ptrW(mir_utf8decodeW(text.c_str())), NULL, EVENT_FRIENDSHIP, &url, alert_id.empty() ? nullptr : &alert_id);
 				}
 			}
 		}
 		else if (t == "jewel_requests_add") {
 			// New friendship request, load them all with real names (because there is only user_id in "from" field)
-			proto->ForkThread(&FacebookProto::ProcessFriendRequests, NULL);
+			proto->ForkThread(&FacebookProto::ProcessFriendRequests, nullptr);
 		}
 		/*else if (t == "jewel_requests_handled") { // revised 5.3.2017
 			// When some request is approved (or perhaps even ignored/removed)
@@ -870,7 +870,7 @@ int facebook_json_parser::parse_messages(std::string *pData, std::vector<faceboo
 			if (!buddyList)
 				continue;
 
-			time_t offlineThreshold = time(NULL) - 15 * 60; // contacts last active more than 15 minutes will be marked offline
+			time_t offlineThreshold = time(nullptr) - 15 * 60; // contacts last active more than 15 minutes will be marked offline
 
 			for (auto itNodes = buddyList.begin(); itNodes != buddyList.end(); ++itNodes) {
 				std::string id = (*itNodes).name();
@@ -944,7 +944,7 @@ int facebook_json_parser::parse_messages(std::string *pData, std::vector<faceboo
 			if (!overlay_)
 				continue;
 
-			time_t offlineThreshold = time(NULL) - 15 * 60; // contacts last active more than 15 minutes will be marked offline
+			time_t offlineThreshold = time(nullptr) - 15 * 60; // contacts last active more than 15 minutes will be marked offline
 
 			for (auto itNodes = overlay_.begin(); itNodes != overlay_.end(); ++itNodes) {
 				std::string id = (*itNodes).name();
@@ -1070,7 +1070,7 @@ int facebook_json_parser::parse_messages(std::string *pData, std::vector<faceboo
 
 				auto itAlert = notifications->find(id);
 				if (itAlert != notifications->end()) {
-					if (itAlert->second->hWndPopup != NULL)
+					if (itAlert->second->hWndPopup != nullptr)
 						PUDeletePopup(itAlert->second->hWndPopup); // close popup
 
 					delete itAlert->second;
diff --git a/protocols/FacebookRM/src/main.cpp b/protocols/FacebookRM/src/main.cpp
index 7b60f15c60..635bb4a610 100644
--- a/protocols/FacebookRM/src/main.cpp
+++ b/protocols/FacebookRM/src/main.cpp
@@ -117,7 +117,7 @@ extern "C" int __declspec(dllexport) Load(void)
 	g_strUserAgent = agent.str();

 

 	// Initialize random generator (used only as fallback in utils)

-	srand(::time(NULL));

+	srand(::time(nullptr));

 

 	return 0;

 }

diff --git a/protocols/FacebookRM/src/messages.cpp b/protocols/FacebookRM/src/messages.cpp
index 8054934261..48b86f3981 100644
--- a/protocols/FacebookRM/src/messages.cpp
+++ b/protocols/FacebookRM/src/messages.cpp
@@ -31,7 +31,7 @@ int FacebookProto::RecvMsg(MCONTACT hContact, PROTORECVEVENT *pre)
 
 void FacebookProto::SendMsgWorker(void *p)
 {
-	if (p == NULL)
+	if (p == nullptr)
 		return;
 
 	send_direct *data = static_cast<send_direct*>(p);
@@ -69,7 +69,7 @@ void FacebookProto::SendMsgWorker(void *p)
 
 void FacebookProto::SendChatMsgWorker(void *p)
 {
-	if (p == NULL)
+	if (p == nullptr)
 		return;
 
 	send_chat *data = static_cast<send_chat*>(p);
@@ -101,7 +101,7 @@ void FacebookProto::SendChatMsgWorker(void *p)
 				UpdateChat(data->chat_id.c_str(), facy.self_.user_id.c_str(), facy.self_.real_name.c_str(), data->msg.c_str());
 			else {
 				ptrA text(mir_utf8encode(err_message.c_str()));
-				UpdateChat(data->chat_id.c_str(), NULL, NULL, text);
+				UpdateChat(data->chat_id.c_str(), nullptr, nullptr, text);
 			}
 		}
 	}
@@ -128,7 +128,7 @@ int FacebookProto::UserIsTyping(MCONTACT hContact, int type)
 
 void FacebookProto::SendTypingWorker(void *p)
 {
-	if (p == NULL)
+	if (p == nullptr)
 		return;
 
 	send_typing *typing = static_cast<send_typing*>(p);
@@ -159,7 +159,7 @@ void FacebookProto::SendTypingWorker(void *p)
 
 void FacebookProto::ReadMessageWorker(void *p)
 {
-	if (p == NULL)
+	if (p == nullptr)
 		return;
 
 	if (getBool(FACEBOOK_KEY_KEEP_UNREAD, 0))
@@ -215,7 +215,7 @@ void FacebookProto::StickerAsSmiley(std::string sticker, const std::string &url,
 
 	// Check if we have this sticker already and download it if not
 	if (GetFileAttributes(filename.c_str()) == INVALID_FILE_ATTRIBUTES) {
-		HNETLIBCONN nlc = NULL;
+		HNETLIBCONN nlc = nullptr;
 		facy.save_url(url, filename, nlc);
 		Netlib_CloseHandle(nlc);
 	}
diff --git a/protocols/FacebookRM/src/process.cpp b/protocols/FacebookRM/src/process.cpp
index 297576d219..d2907ca3c9 100644
--- a/protocols/FacebookRM/src/process.cpp
+++ b/protocols/FacebookRM/src/process.cpp
@@ -143,7 +143,7 @@ void FacebookProto::ProcessFriendList(void*)
 
 						// Wasn't we already been notified about this contact?
 						if (!getDword(hContact, FACEBOOK_KEY_DELETED, 0)) {
-							setDword(hContact, FACEBOOK_KEY_DELETED, ::time(NULL));
+							setDword(hContact, FACEBOOK_KEY_DELETED, ::time(nullptr));
 
 							// Notify it, if user wants to be notified
 							if (getByte(FACEBOOK_KEY_EVENT_FRIENDSHIP_ENABLE, DEFAULT_EVENT_FRIENDSHIP_ENABLE)) {
@@ -208,7 +208,7 @@ void FacebookProto::ProcessUnreadMessages(void*)
 
 void FacebookProto::ProcessUnreadMessage(void *pParam)
 {
-	if (pParam == NULL)
+	if (pParam == nullptr)
 		return;
 
 	std::vector<std::string> *threads = (std::vector<std::string>*)pParam;
@@ -269,7 +269,7 @@ void FacebookProto::ProcessUnreadMessage(void *pParam)
 
 void FacebookProto::LoadLastMessages(void *pParam)
 {
-	if (pParam == NULL)
+	if (pParam == nullptr)
 		return;
 
 	MCONTACT hContact = *(MCONTACT*)pParam;
@@ -328,7 +328,7 @@ void FacebookProto::LoadLastMessages(void *pParam)
 
 void FacebookProto::LoadHistory(void *pParam)
 {
-	if (pParam == NULL)
+	if (pParam == nullptr)
 		return;
 
 	MCONTACT hContact = *(MCONTACT*)pParam;
@@ -384,7 +384,7 @@ void FacebookProto::LoadHistory(void *pParam)
 	wcsncpy(pd.lptzContactName, m_tszUserName, MAX_CONTACTNAME);
 	wcsncpy(pd.lptzText, TranslateT("Loading history started."), MAX_SECONDLINE);
 
-	HWND popupHwnd = NULL;
+	HWND popupHwnd = nullptr;
 	if (ServiceExists(MS_POPUP_ADDPOPUPW)) {
 		popupHwnd = (HWND)CallService(MS_POPUP_ADDPOPUPW, (WPARAM)&pd, (LPARAM)APF_RETURN_HWND);
 	}
@@ -835,11 +835,11 @@ void FacebookProto::ReceiveMessages(std::vector<facebook_message> &messages, boo
 				UpdateChat(fbc->thread_id.c_str(), msg.user_id.c_str(), name.c_str(), msg.message_text.c_str(), msg.time);
 				break;
 			case ADMIN_TEXT:
-				UpdateChat(thread_id.c_str(), NULL, NULL, msg.message_text.c_str());
+				UpdateChat(thread_id.c_str(), nullptr, nullptr, msg.message_text.c_str());
 				break;
 			case SUBSCRIBE:
 			case UNSUBSCRIBE:
-				UpdateChat(thread_id.c_str(), NULL, NULL, msg.message_text.c_str());
+				UpdateChat(thread_id.c_str(), nullptr, nullptr, msg.message_text.c_str());
 				{
 					std::vector<std::string> ids;
 					utils::text::explode(msg.data, ";", &ids);
@@ -866,7 +866,7 @@ void FacebookProto::ReceiveMessages(std::vector<facebook_message> &messages, boo
 				}
 				break;
 			case THREAD_NAME: {
-				UpdateChat(thread_id.c_str(), NULL, NULL, msg.message_text.c_str());
+				UpdateChat(thread_id.c_str(), nullptr, nullptr, msg.message_text.c_str());
 
 				std::string chatName = (!msg.data.empty() ? msg.data : GenerateChatName(fbc));
 				// proto->RenameChat(thread_id.c_str(), chatName.c_str()); // this don't work, why?
@@ -874,7 +874,7 @@ void FacebookProto::ReceiveMessages(std::vector<facebook_message> &messages, boo
 				break;
 			}
 			case THREAD_IMAGE:
-				UpdateChat(thread_id.c_str(), NULL, NULL, msg.message_text.c_str());
+				UpdateChat(thread_id.c_str(), nullptr, nullptr, msg.message_text.c_str());
 				break;
 			}
 
@@ -958,7 +958,7 @@ void FacebookProto::ReceiveMessages(std::vector<facebook_message> &messages, boo
 
 void FacebookProto::ProcessMessages(void* data)
 {
-	if (data == NULL)
+	if (data == nullptr)
 		return;
 
 	std::string* resp = (std::string*)data;
@@ -994,7 +994,7 @@ void FacebookProto::ShowNotifications() {
 	// Show popups for unseen notifications and/or write them to chatroom
 	for (std::map<std::string, facebook_notification*>::iterator it = facy.notifications.begin(); it != facy.notifications.end(); ++it) {
 		facebook_notification *notification = it->second;
-		if (notification != NULL && !notification->seen) {
+		if (notification != nullptr && !notification->seen) {
 			debugLogA("    Showing popup for notification ID: %s", notification->id.c_str());
 			ptrW szText(mir_utf8decodeW(notification->text.c_str()));
 			MCONTACT hContact = (notification->user_id.empty() ? NULL : ContactIDToHContact(notification->user_id));
@@ -1115,11 +1115,11 @@ void FacebookProto::ProcessFriendRequests(void *p)
 				isNew = true;
 				setString(hContact, "RequestTime", time.c_str());
 
-				DB_AUTH_BLOB blob(hContact, fbu.real_name.c_str(), 0, 0, fbu.user_id.c_str(), reason.c_str());
+				DB_AUTH_BLOB blob(hContact, fbu.real_name.c_str(), nullptr, nullptr, fbu.user_id.c_str(), reason.c_str());
 
 				DBEVENTINFO dbei = {};
 				dbei.szModule = m_szModuleName;
-				dbei.timestamp = ::time(NULL);
+				dbei.timestamp = ::time(nullptr);
 				dbei.flags = DBEF_UTF;
 				dbei.eventType = EVENTTYPE_AUTHREQUEST;
 				dbei.cbBlob = blob.size();
@@ -1285,7 +1285,7 @@ void FacebookProto::SearchAckThread(void *targ)
 				// sld is Base64 encoded and then URL encoded string. So replace potential "%3D" with "="
 				utils::text::replace_all(&sld, "%3D", "=");
 				// decode Base64 string
-				ptrA data_((char*)mir_base64_decode(sld.c_str(), 0));
+				ptrA data_((char*)mir_base64_decode(sld.c_str(), nullptr));
 				if (data_) {
 					std::string data = data_;
 					id = utils::text::source_get_value2(&data, "\"ent_id\":", ",}");
diff --git a/protocols/FacebookRM/src/proto.cpp b/protocols/FacebookRM/src/proto.cpp
index 281aad172a..68a5364335 100644
--- a/protocols/FacebookRM/src/proto.cpp
+++ b/protocols/FacebookRM/src/proto.cpp
@@ -28,18 +28,18 @@ FacebookProto::FacebookProto(const char* proto_name, const wchar_t* username) :
 {
 	facy.parent = this;
 
-	signon_lock_ = CreateMutex(NULL, FALSE, NULL);
-	avatar_lock_ = CreateMutex(NULL, FALSE, NULL);
-	log_lock_ = CreateMutex(NULL, FALSE, NULL);
-	update_loop_lock_ = CreateEvent(NULL, FALSE, FALSE, NULL);
-	facy.send_message_lock_ = CreateMutex(NULL, FALSE, NULL);
-	facy.fcb_conn_lock_ = CreateMutex(NULL, FALSE, NULL);
-	facy.notifications_lock_ = CreateMutex(NULL, FALSE, NULL);
-	facy.cookies_lock_ = CreateMutex(NULL, FALSE, NULL);
-	facy.loading_history_lock_ = CreateMutex(NULL, FALSE, NULL);
+	signon_lock_ = CreateMutex(nullptr, FALSE, nullptr);
+	avatar_lock_ = CreateMutex(nullptr, FALSE, nullptr);
+	log_lock_ = CreateMutex(nullptr, FALSE, nullptr);
+	update_loop_lock_ = CreateEvent(nullptr, FALSE, FALSE, nullptr);
+	facy.send_message_lock_ = CreateMutex(nullptr, FALSE, nullptr);
+	facy.fcb_conn_lock_ = CreateMutex(nullptr, FALSE, nullptr);
+	facy.notifications_lock_ = CreateMutex(nullptr, FALSE, nullptr);
+	facy.cookies_lock_ = CreateMutex(nullptr, FALSE, nullptr);
+	facy.loading_history_lock_ = CreateMutex(nullptr, FALSE, nullptr);
 
 	// Initialize random seed for this client
-	facy.random_ = ::time(NULL) + PtrToUint(&facy);
+	facy.random_ = ::time(nullptr) + PtrToUint(&facy);
 
 	m_enableChat = DEFAULT_ENABLE_CHATS;
 
@@ -90,10 +90,10 @@ FacebookProto::FacebookProto(const char* proto_name, const wchar_t* username) :
 	mir_snwprintf(descr, TranslateT("%s server connection"), m_tszUserName);
 	nlu.szDescriptiveName.w = descr;
 	m_hNetlibUser = Netlib_RegisterUser(&nlu);
-	if (m_hNetlibUser == NULL) {
+	if (m_hNetlibUser == nullptr) {
 		wchar_t error[200];
 		mir_snwprintf(error, TranslateT("Unable to initialize Netlib for %s."), m_tszUserName);
-		MessageBox(NULL, error, L"Miranda NG", MB_OK | MB_ICONERROR);
+		MessageBox(nullptr, error, L"Miranda NG", MB_OK | MB_ICONERROR);
 	}
 
 	facy.set_handle(m_hNetlibUser);
@@ -231,14 +231,14 @@ int FacebookProto::SetAwayMsg(int, const wchar_t *msg)
 		last_status_msg_ = narrow;
 
 	if (isOnline() && getByte(FACEBOOK_KEY_SET_MIRANDA_STATUS, DEFAULT_SET_MIRANDA_STATUS))
-		ForkThread(&FacebookProto::SetAwayMsgWorker, NULL);
+		ForkThread(&FacebookProto::SetAwayMsgWorker, nullptr);
 
 	return 0;
 }
 
 void FacebookProto::SetAwayMsgWorker(void *p)
 {
-	if (p != NULL) {
+	if (p != nullptr) {
 		status_data *data = static_cast<status_data*>(p);
 		facy.post_status(data);
 		delete data;
@@ -254,7 +254,7 @@ void FacebookProto::SetAwayMsgWorker(void *p)
 HANDLE FacebookProto::SearchBasic(const wchar_t* id)
 {
 	if (isOffline())
-		return 0;
+		return nullptr;
 
 	wchar_t *tid = mir_wstrdup(id);
 	ForkThread(&FacebookProto::SearchIdAckThread, tid);
@@ -264,7 +264,7 @@ HANDLE FacebookProto::SearchBasic(const wchar_t* id)
 HANDLE FacebookProto::SearchByEmail(const wchar_t* email)
 {
 	if (isOffline())
-		return 0;
+		return nullptr;
 
 	wchar_t *temail = mir_wstrdup(email);
 	ForkThread(&FacebookProto::SearchAckThread, temail);
@@ -297,7 +297,7 @@ MCONTACT FacebookProto::AddToList(int flags, PROTOSEARCHRESULT* psr)
 	}
 
 	if (fbu.user_id.find_first_not_of("0123456789") != std::string::npos) {
-		MessageBox(0, TranslateT("Facebook ID must be numeric value."), m_tszUserName, MB_ICONERROR | MB_OK);
+		MessageBox(nullptr, TranslateT("Facebook ID must be numeric value."), m_tszUserName, MB_ICONERROR | MB_OK);
 		return NULL;
 	}
 
@@ -387,7 +387,7 @@ int FacebookProto::OnIdleChanged(WPARAM, LPARAM lParam)
 		CallService(MS_IDLE_GETIDLEINFO, 0, (LPARAM)&mii);
 
 		// Compute time when user really became idle
-		m_idleTS = time(0) - mii.idleTime * 60;
+		m_idleTS = time(nullptr) - mii.idleTime * 60;
 		setDword("IdleTS", m_idleTS);
 	} else {
 		// User stopped being idle
@@ -501,7 +501,7 @@ int FacebookProto::OnOptionsInit(WPARAM wParam, LPARAM)
 
 int FacebookProto::OnToolbarInit(WPARAM, LPARAM)
 {
-	TTBButton ttb = { 0 };
+	TTBButton ttb = {};
 	ttb.dwFlags = TTBBF_SHOWTOOLTIP | TTBBF_VISIBLE;
 
 	char service[100];
@@ -543,7 +543,7 @@ INT_PTR FacebookProto::OnMind(WPARAM wParam, LPARAM)
 		}
 	}
 
-	HWND hDlg = CreateDialogParam(g_hInstance, MAKEINTRESOURCE(IDD_MIND), (HWND)0, FBMindProc, reinterpret_cast<LPARAM>(data));
+	HWND hDlg = CreateDialogParam(g_hInstance, MAKEINTRESOURCE(IDD_MIND), (HWND)nullptr, FBMindProc, reinterpret_cast<LPARAM>(data));
 	ShowWindow(hDlg, SW_SHOW);
 
 	return 0;
@@ -747,7 +747,7 @@ INT_PTR FacebookProto::LoadHistory(WPARAM wParam, LPARAM)
 	// Allow loading history only from one contact at a time
 	if (facy.loading_history) {
 		const wchar_t *message = TranslateT("Loading history is already in progress. It can't run for more contacts at once so please wait until it finishes.");
-		MessageBox(0, message, m_tszUserName, MB_ICONWARNING | MB_OK);
+		MessageBox(nullptr, message, m_tszUserName, MB_ICONWARNING | MB_OK);
 		return 0;
 	}
 
@@ -761,7 +761,7 @@ INT_PTR FacebookProto::LoadHistory(WPARAM wParam, LPARAM)
 	title.AppendFormat(L"%s - %s", m_tszUserName, name);
 	const wchar_t *message = TranslateT("This will load all messages from the server. To avoid having duplicate messages in your history, delete existing messages manually before continuing.\nLoading process might take a while, so be patient.\n\nDo you want to continue?");
 
-	if (MessageBox(0, message, title, MB_ICONQUESTION | MB_YESNO | MB_DEFBUTTON2) == IDYES) {
+	if (MessageBox(nullptr, message, title, MB_ICONQUESTION | MB_YESNO | MB_DEFBUTTON2) == IDYES) {
 		ForkThread(&FacebookProto::LoadHistory, new MCONTACT(hContact));
 	}
 
@@ -790,7 +790,7 @@ INT_PTR FacebookProto::CancelFriendship(WPARAM wParam, LPARAM lParam)
 
 	wchar_t tstr[256];
 	mir_snwprintf(tstr, TranslateT("Do you want to cancel your friendship with '%s'?"), tname);
-	if (MessageBox(0, tstr, m_tszUserName, MB_ICONWARNING | MB_YESNO | MB_DEFBUTTON2) == IDYES) {
+	if (MessageBox(nullptr, tstr, m_tszUserName, MB_ICONWARNING | MB_YESNO | MB_DEFBUTTON2) == IDYES) {
 
 		ptrA id(getStringA(hContact, FACEBOOK_KEY_ID));
 		if (id == NULL)
@@ -880,12 +880,12 @@ MCONTACT FacebookProto::HContactFromAuthEvent(MEVENT hEvent)
 }
 
 void FacebookProto::OpenUrlThread(void *p) {
-	if (p == NULL)
+	if (p == nullptr)
 		return;
 
 	open_url *data = static_cast<open_url*>(p);
 
-	ShellExecute(NULL, L"open", data->browser, data->url, NULL, SW_SHOWDEFAULT);
+	ShellExecute(nullptr, L"open", data->browser, data->url, nullptr, SW_SHOWDEFAULT);
 
 	delete data;
 }
@@ -936,7 +936,7 @@ void FacebookProto::OpenUrl(std::string url)
 
 void FacebookProto::ReadNotificationWorker(void *p)
 {
-	if (p == NULL)
+	if (p == nullptr)
 		return;
 
 	std::string *id = (std::string*)p;
@@ -964,7 +964,7 @@ LRESULT CALLBACK PopupDlgProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lPa
 	{
 		// Get the plugin data (we need the Popup service to do it)
 		popup_data *data = (popup_data *)PUGetPluginData(hwnd);
-		if (data != NULL) {
+		if (data != nullptr) {
 			if (!data->notification_id.empty())
 				data->proto->ForkThread(&FacebookProto::ReadNotificationWorker, new std::string(data->notification_id));
 
diff --git a/protocols/FacebookRM/src/theme.cpp b/protocols/FacebookRM/src/theme.cpp
index 2391114df0..f1a093b46b 100644
--- a/protocols/FacebookRM/src/theme.cpp
+++ b/protocols/FacebookRM/src/theme.cpp
@@ -68,7 +68,7 @@ HANDLE GetIconHandle(const char* name)
 		if (mir_strcmp(icons[i].szName, name) == 0)

 			return icons[i].hIcolib;

 

-	return 0;

+	return nullptr;

 }

 

 // Helper functions

@@ -76,13 +76,13 @@ static FacebookProto * GetInstanceByHContact(MCONTACT hContact)
 {

 	char *proto = GetContactProto(hContact);

 	if (!proto)

-		return 0;

+		return nullptr;

 

 	for (int i = 0; i < g_Instances.getCount(); i++)

 		if (!mir_strcmp(proto, g_Instances[i].m_szModuleName))

 			return &g_Instances[i];

 

-	return 0;

+	return nullptr;

 }

 

 template<INT_PTR(__cdecl FacebookProto::*Fcn)(WPARAM, LPARAM)>