Code modernize ...

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

5 files changed, 57 insertions, 57 deletions

diff --git a/plugins/Alarms/src/alarm_win.cpp b/plugins/Alarms/src/alarm_win.cpp
index f00893fbc9..f47f1f566d 100644
--- a/plugins/Alarms/src/alarm_win.cpp
+++ b/plugins/Alarms/src/alarm_win.cpp
@@ -4,13 +4,13 @@
 #define ID_TIMER_SOUND				10101

 #define SOUND_REPEAT_PERIOD			5000	// milliseconds

 #define SPEACH_REPEAT_PERIOD		15000	// milliseconds

-MWindowList hAlarmWindowList = 0;

+MWindowList hAlarmWindowList = nullptr;

 

 FontIDW title_font_id, window_font_id;

 ColourIDW bk_colour_id;

-HFONT hTitleFont = 0, hWindowFont = 0;

+HFONT hTitleFont = nullptr, hWindowFont = nullptr;

 COLORREF title_font_colour, window_font_colour;

-HBRUSH hBackgroundBrush = 0;

+HBRUSH hBackgroundBrush = nullptr;

 

 #define WMU_SETFONTS		(WM_USER + 61)

 #define WMU_REFRESH			(WM_USER + 62)

@@ -43,7 +43,7 @@ INT_PTR CALLBACK DlgProcAlarm(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lPar
 

 		wd = new WindowData;

 		wd->moving = false;

-		wd->alarm = 0;

+		wd->alarm = nullptr;

 		wd->win_num = win_num++;

 

 		if (wd->win_num > 0) {

@@ -52,7 +52,7 @@ INT_PTR CALLBACK DlgProcAlarm(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lPar
 			r.top += 20;

 			r.left += 20;

 

-			SetWindowPos(hwndDlg, 0, r.left, r.top, 0, 0, SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE);

+			SetWindowPos(hwndDlg, nullptr, r.left, r.top, 0, 0, SWP_NOZORDER | SWP_NOSIZE | SWP_NOACTIVATE);

 			Utils_SaveWindowPosition(hwndDlg, 0, MODULE, "Notify");

 		}

 		SetWindowLongPtr(hwndDlg, GWLP_USERDATA, (LONG_PTR)wd);

@@ -65,7 +65,7 @@ INT_PTR CALLBACK DlgProcAlarm(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lPar
 		return FALSE;

 

 	case WMU_REFRESH:

-		InvalidateRect(hwndDlg, 0, TRUE);

+		InvalidateRect(hwndDlg, nullptr, TRUE);

 		return TRUE;

 

 	case WM_CTLCOLORSTATIC:

@@ -99,7 +99,7 @@ INT_PTR CALLBACK DlgProcAlarm(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lPar
 

 		if (hBackgroundBrush) {

 			SetClassLongPtr(hwndDlg, GCLP_HBRBACKGROUND, (LONG_PTR)hBackgroundBrush);

-			InvalidateRect(hwndDlg, 0, TRUE);

+			InvalidateRect(hwndDlg, nullptr, TRUE);

 		}

 		return TRUE;

 

@@ -154,9 +154,9 @@ INT_PTR CALLBACK DlgProcAlarm(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lPar
 

 			if (data->action & AAF_SOUND && options.loop_sound) {

 				if (data->sound_num <= 3)

-					SetTimer(hwndDlg, ID_TIMER_SOUND, SOUND_REPEAT_PERIOD, 0);

+					SetTimer(hwndDlg, ID_TIMER_SOUND, SOUND_REPEAT_PERIOD, nullptr);

 				else if (data->sound_num == 4)

-					SetTimer(hwndDlg, ID_TIMER_SOUND, SPEACH_REPEAT_PERIOD, 0);

+					SetTimer(hwndDlg, ID_TIMER_SOUND, SPEACH_REPEAT_PERIOD, nullptr);

 			}

 

 			HWND hw = GetDlgItem(hwndDlg, IDC_SNOOZE);

@@ -181,7 +181,7 @@ INT_PTR CALLBACK DlgProcAlarm(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lPar
 					Skin_PlaySound(buff);

 				}

 				else if (data->sound_num == 4) {

-					if (data->szTitle != NULL && data->szTitle[0] != '\0') {

+					if (data->szTitle != nullptr && data->szTitle[0] != '\0') {

 						if (ServiceExists("Speak/Say")) {

 							CallService("Speak/Say", 0, (LPARAM)data->szTitle);

 						}

@@ -312,7 +312,7 @@ INT_PTR CALLBACK DlgProcAlarm(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lPar
 				RECT r;

 				GetWindowRect(hwndDlg, &r);

 

-				SetWindowPos(hwndDlg, 0, r.left + (newp.x - wd->p.x), r.top + (newp.y - wd->p.y), 0, 0, SWP_NOSIZE | SWP_NOZORDER);

+				SetWindowPos(hwndDlg, nullptr, r.left + (newp.x - wd->p.x), r.top + (newp.y - wd->p.y), 0, 0, SWP_NOSIZE | SWP_NOZORDER);

 			}

 			wd->p.x = newp.x;

 			wd->p.y = newp.y;

diff --git a/plugins/Alarms/src/alarmlist.cpp b/plugins/Alarms/src/alarmlist.cpp
index 0ea5f59810..cfa1310cf1 100755
--- a/plugins/Alarms/src/alarmlist.cpp
+++ b/plugins/Alarms/src/alarmlist.cpp
@@ -20,10 +20,10 @@ bool is_idle = false;
 

 void free_alarm_data(ALARM *alarm)

 {

-	mir_free(alarm->szTitle); alarm->szTitle = 0;

-	mir_free(alarm->szDesc); alarm->szDesc = 0;

-	mir_free(alarm->szCommand); alarm->szCommand = 0;

-	mir_free(alarm->szCommandParams); alarm->szCommandParams = 0;

+	mir_free(alarm->szTitle); alarm->szTitle = nullptr;

+	mir_free(alarm->szDesc); alarm->szDesc = nullptr;

+	mir_free(alarm->szCommand); alarm->szCommand = nullptr;

+	mir_free(alarm->szCommandParams); alarm->szCommandParams = nullptr;

 }

 

 void copy_alarm_data(ALARM *dest, ALARM *src)

@@ -651,7 +651,7 @@ void DoAlarm(ALARM *alarm)
 				Skin_PlaySound(buff);

 			}

 			else if (alarm->sound_num == 4) {

-				if (alarm->szTitle != NULL && alarm->szTitle[0] != '\0') {

+				if (alarm->szTitle != nullptr && alarm->szTitle[0] != '\0') {

 					if (ServiceExists("Speak/Say")) {

 						CallService("Speak/Say", 0, (LPARAM)alarm->szTitle);

 					}

@@ -679,7 +679,7 @@ void DoAlarm(ALARM *alarm)
 		}

 

 		if (alarm->action & AAF_COMMAND)

-			ShellExecute(0, 0, alarm->szCommand, alarm->szCommandParams, 0, SW_NORMAL);

+			ShellExecute(nullptr, nullptr, alarm->szCommand, alarm->szCommandParams, nullptr, SW_NORMAL);

 

 		if (alarm->action & AAF_SYSTRAY) {

 			CLISTEVENT cle = {};

@@ -802,7 +802,7 @@ void InitList()
 

 	InitAlarmWin();

 

-	timer_id = SetTimer(0, 0, TIMER_PERIOD, TimerProc);

+	timer_id = SetTimer(nullptr, 0, TIMER_PERIOD, TimerProc);

 

 	HookEvent(ME_IDLE_CHANGED, IdleChanged);

 }

@@ -814,7 +814,7 @@ void DeinitList()
 

 	// i don't think this should be necessary, but...

 	mir_cslock lck(alarm_cs);

-	KillTimer(0, timer_id);

+	KillTimer(nullptr, timer_id);

 

 	DestroyHookableEvent(hAlarmTriggeredEvent);

 

diff --git a/plugins/Alarms/src/alarms.cpp b/plugins/Alarms/src/alarms.cpp
index dc7de3ca63..0e3139bc50 100644
--- a/plugins/Alarms/src/alarms.cpp
+++ b/plugins/Alarms/src/alarms.cpp
@@ -78,7 +78,7 @@ void ShowPopup(MCONTACT hContact, const wchar_t *msg)
 		ppd.colorBack = GetSysColor(COLOR_BTNFACE);

 		ppd.colorText = RGB(0, 0, 0);

 		ppd.PluginWindowProc = PopupDlgProc;

-		ppd.PluginData = 0;

+		ppd.PluginData = nullptr;

 		ppd.iSeconds = 3;

 

 		// Now that every field has been filled, we want to see the popup.

@@ -103,18 +103,18 @@ HBITMAP LoadBmpFromIcon(int IdRes)
 	rc.right = bih.biWidth;

 	rc.bottom = bih.biHeight;

 

-	HDC hdc = GetDC(NULL);

+	HDC hdc = GetDC(nullptr);

 	HBITMAP hBmp = CreateCompatibleBitmap(hdc, bih.biWidth, bih.biHeight);

 	HDC hdcMem = CreateCompatibleDC(hdc);

 	HBITMAP hoBmp = (HBITMAP)SelectObject(hdcMem, hBmp);

 

 	HBRUSH hBkgBrush = CreateSolidBrush(GetSysColor(COLOR_3DFACE));

 	FillRect(hdcMem, &rc, hBkgBrush);

-	DrawIconEx(hdcMem, 2, 0, hIcon, 16, 16, 0, NULL, DI_NORMAL);

+	DrawIconEx(hdcMem, 2, 0, hIcon, 16, 16, 0, nullptr, DI_NORMAL);

 

 	SelectObject(hdcMem, hoBmp);

 	DeleteDC(hdcMem);

-	ReleaseDC(NULL, hdc);

+	ReleaseDC(nullptr, hdc);

 	DeleteObject(hBkgBrush);

 

 	DeleteObject(hIcon);

@@ -124,7 +124,7 @@ HBITMAP LoadBmpFromIcon(int IdRes)
 

 static int InitTopToolbarButton(WPARAM, LPARAM)

 {

-	TTBButton ttb = { 0 };

+	TTBButton ttb = {};

 	ttb.hIconUp = LoadIcon(hInst, MAKEINTRESOURCE(IDI_TBUP));

 	ttb.hIconDn = LoadIcon(hInst, MAKEINTRESOURCE(IDI_TBDN));

 	ttb.pszService = MODULE "/NewAlarm";

diff --git a/plugins/Alarms/src/frame.cpp b/plugins/Alarms/src/frame.cpp
index 2d3fc23d8e..fcbc4d75e0 100755
--- a/plugins/Alarms/src/frame.cpp
+++ b/plugins/Alarms/src/frame.cpp
@@ -1,24 +1,24 @@
 #include "stdafx.h"

 #include "frame.h"

 

-HWND hwnd_plugin = 0;

-HWND hwnd_frame = 0;

-HWND hwnd_list = 0;

+HWND hwnd_plugin = nullptr;

+HWND hwnd_frame = nullptr;

+HWND hwnd_list = nullptr;

 

 int frame_id = -1;

 

 FontID font_id;

 ColourID framebk_colour_id;

-HFONT hFont = 0;

+HFONT hFont = nullptr;

 COLORREF fontColour, framebk;

-HBRUSH bk_brush = 0;

+HBRUSH bk_brush = nullptr;

 

 #define CLUIFrameTitleBarClassName				"CLUIFrameTitleBar"

 

 AlarmList alarm_list;

 mir_cs list_cs;

 

-HGENMENU hMenuShowReminders = 0;

+HGENMENU hMenuShowReminders = nullptr;

 

 #define ID_FRAME_UPDATE_TIMER   1011

 #define ID_FRAME_SHOWHIDE_TIMER 1012

@@ -62,9 +62,9 @@ LRESULT CALLBACK FrameContainerWindowProc(HWND hwnd, UINT msg, WPARAM wParam, LP
 			RECT r;

 			GetClientRect(hwnd, &r);

 

-			SetWindowPos(child, 0, r.left, r.top, r.right - r.left, r.bottom - r.top, SWP_NOZORDER | SWP_NOACTIVATE);

-			InvalidateRect(child, 0, TRUE);

-			InvalidateRect(hwnd, 0, TRUE);

+			SetWindowPos(child, nullptr, r.left, r.top, r.right - r.left, r.bottom - r.top, SWP_NOZORDER | SWP_NOACTIVATE);

+			InvalidateRect(child, nullptr, TRUE);

+			InvalidateRect(hwnd, nullptr, TRUE);

 		}

 		break;

 

@@ -100,13 +100,13 @@ LRESULT CALLBACK FrameWindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lPar
 	case WM_CREATE:

 		hwnd_list = CreateWindow(L"LISTBOX", L"",

 			(WS_VISIBLE | WS_CHILD | LBS_NOINTEGRALHEIGHT | LBS_STANDARD | LBS_NOTIFY | LBS_OWNERDRAWFIXED) & ~LBS_SORT

-			& ~WS_BORDER, 0, 0, 0, 0, hwnd, NULL, hInst, 0);

+			& ~WS_BORDER, 0, 0, 0, 0, hwnd, nullptr, hInst, nullptr);

 		return FALSE;

 

 	case WMU_INITIALIZE:

 		PostMessage(hwnd, WMU_FILL_LIST, 0, 0);

-		SetTimer(hwnd, ID_FRAME_UPDATE_TIMER, 5000, 0);

-		SetTimer(hwnd, ID_FRAME_SHOWHIDE_TIMER, 200, 0);

+		SetTimer(hwnd, ID_FRAME_UPDATE_TIMER, 5000, nullptr);

+		SetTimer(hwnd, ID_FRAME_SHOWHIDE_TIMER, 200, nullptr);

 		return TRUE;

 

 	case WM_MEASUREITEM:

@@ -135,7 +135,7 @@ LRESULT CALLBACK FrameWindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lPar
 			SetTextColor(dis->hDC, fontColour);

 

 			HICON hIcon = (min <= 5 ? hIconList2 : hIconList1);

-			DrawIconEx(dis->hDC, dis->rcItem.left, (dis->rcItem.top + dis->rcItem.bottom - 16) >> 1, hIcon, 0, 0, 0, NULL, DI_NORMAL);

+			DrawIconEx(dis->hDC, dis->rcItem.left, (dis->rcItem.top + dis->rcItem.bottom - 16) >> 1, hIcon, 0, 0, 0, nullptr, DI_NORMAL);

 

 			GetTextExtentPoint32(dis->hDC, alarm.szTitle, (int)mir_wstrlen(alarm.szTitle), &textSize);

 

@@ -213,7 +213,7 @@ LRESULT CALLBACK FrameWindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lPar
 			if (frame_id != -1)

 				CallService(MS_CLIST_FRAMES_UPDATEFRAME, (WPARAM)frame_id, FU_TBREDRAW);

 

-			InvalidateRect(hwnd, 0, TRUE);

+			InvalidateRect(hwnd, nullptr, TRUE);

 		}

 		break;

 

@@ -228,7 +228,7 @@ LRESULT CALLBACK FrameWindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lPar
 			if (options.auto_size_vert && IsWindowVisible(hwnd)) {

 				if (FrameIsFloating()) {

 					int height = height_client_to_frame(itemheight * count, GetWindowLongPtr(GetParent(hwnd), GWL_STYLE), GetWindowLongPtr(GetParent(hwnd), GWL_EXSTYLE));

-					HWND titleBarHwnd = FindWindowEx(GetParent(hwnd), 0, _A2W(CLUIFrameTitleBarClassName), 0);

+					HWND titleBarHwnd = FindWindowEx(GetParent(hwnd), nullptr, _A2W(CLUIFrameTitleBarClassName), nullptr);

 					if (titleBarHwnd) {

 						RECT tbr;

 						GetWindowRect(titleBarHwnd, &tbr);

@@ -236,7 +236,7 @@ LRESULT CALLBACK FrameWindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lPar
 					}

 					RECT rp_window;

 					GetWindowRect(GetParent(hwnd), &rp_window);

-					SetWindowPos(GetParent(hwnd), 0, 0, 0, rp_window.right - rp_window.left, height, SWP_NOZORDER | SWP_NOMOVE | SWP_NOACTIVATE);

+					SetWindowPos(GetParent(hwnd), nullptr, 0, 0, rp_window.right - rp_window.left, height, SWP_NOZORDER | SWP_NOMOVE | SWP_NOACTIVATE);

 				}

 				else if (ServiceExists(MS_CLIST_FRAMES_ADDFRAME) && frame_id != -1) {

 					CallService(MS_CLIST_FRAMES_SETFRAMEOPTIONS, MAKEWPARAM(FO_HEIGHT, frame_id), count * itemheight);

@@ -254,8 +254,8 @@ LRESULT CALLBACK FrameWindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lPar
 

 			height = min(count * itemheight, winheight - (winheight % itemheight));

 			if (r2.right - r2.left != width || (r.bottom - r.top > 0 && r2.bottom - r2.top != height)) {

-				SetWindowPos(hwnd_list, 0, 0, 0, width, height, SWP_NOZORDER | SWP_NOMOVE | SWP_NOACTIVATE);

-				InvalidateRect(hwnd_list, 0, FALSE);

+				SetWindowPos(hwnd_list, nullptr, 0, 0, width, height, SWP_NOZORDER | SWP_NOMOVE | SWP_NOACTIVATE);

+				InvalidateRect(hwnd_list, nullptr, FALSE);

 			}

 

 			if (options.auto_showhide) {

@@ -374,7 +374,7 @@ LRESULT CALLBACK FrameWindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lPar
 			//ClientToScreen(hwnd_list, &pt);

 			GetCursorPos(&pt);

 

-			BOOL ret = TrackPopupMenu(submenu, TPM_TOPALIGN | TPM_LEFTALIGN | TPM_RIGHTBUTTON | TPM_RETURNCMD, pt.x, pt.y, 0, hwnd, NULL);

+			BOOL ret = TrackPopupMenu(submenu, TPM_TOPALIGN | TPM_LEFTALIGN | TPM_RIGHTBUTTON | TPM_RETURNCMD, pt.x, pt.y, 0, hwnd, nullptr);

 			DestroyMenu(menu);

 			if (ret)

 				PostMessage(hwnd, WM_COMMAND, ret, 0);

@@ -461,7 +461,7 @@ bool ReminderFrameVisible()
 

 void SetReminderFrameVisible(bool visible)

 {

-	if (frame_id == -1 && hwnd_frame != 0)

+	if (frame_id == -1 && hwnd_frame != nullptr)

 		ShowWindow(hwnd_frame, visible ? SW_SHOW : SW_HIDE);

 }

 

@@ -481,7 +481,7 @@ INT_PTR ShowHideMenuFunc(WPARAM, LPARAM)
 int CreateFrame()

 {

 	WNDCLASS wndclass = {};

-	wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);

+	wndclass.hCursor = LoadCursor(nullptr, IDC_ARROW);

 	wndclass.hInstance = hInst;

 	wndclass.lpfnWndProc = FrameWindowProc;

 	wndclass.lpszClassName = L"AlarmsFrame";

@@ -490,7 +490,7 @@ int CreateFrame()
 	if (ServiceExists(MS_CLIST_FRAMES_ADDFRAME)) {

 		hwnd_plugin = CreateWindow(L"AlarmsFrame", TranslateT("Alarms"),

 			WS_CHILD | WS_CLIPCHILDREN,

-			0, 0, 10, 10, pcli->hwndContactList, NULL, hInst, NULL);

+			0, 0, 10, 10, pcli->hwndContactList, nullptr, hInst, nullptr);

 

 		CLISTFrame Frame = { sizeof(CLISTFrame) };

 		Frame.tname = TranslateT("Alarms");

@@ -502,7 +502,7 @@ int CreateFrame()
 		frame_id = CallService(MS_CLIST_FRAMES_ADDFRAME, (WPARAM)&Frame, 0);

 	}

 	else {

-		wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);

+		wndclass.hCursor = LoadCursor(nullptr, IDC_ARROW);

 		wndclass.hInstance = hInst;

 		wndclass.lpfnWndProc = FrameContainerWindowProc;

 		wndclass.lpszClassName = L"AlarmsFrameContainer";

@@ -510,11 +510,11 @@ int CreateFrame()
 

 		hwnd_frame = CreateWindowEx(WS_EX_TOOLWINDOW, L"AlarmsFrameContainer", TranslateT("Alarms"),

 			(WS_POPUPWINDOW | WS_THICKFRAME | WS_CAPTION | WS_SYSMENU | WS_CLIPCHILDREN) & ~WS_VISIBLE,

-			0, 0, 200, 100, pcli->hwndContactList, NULL, hInst, NULL);

+			0, 0, 200, 100, pcli->hwndContactList, nullptr, hInst, nullptr);

 

 		hwnd_plugin = CreateWindow(L"AlarmsFrame", TranslateT("Alarms"),

 			WS_CHILD | WS_CLIPCHILDREN | WS_VISIBLE,

-			0, 0, 10, 10, hwnd_frame, NULL, hInst, NULL);

+			0, 0, 10, 10, hwnd_frame, nullptr, hInst, nullptr);

 

 		SetWindowLongPtr(hwnd_frame, GWLP_USERDATA, (LONG_PTR)hwnd_plugin);

 

@@ -594,9 +594,9 @@ void RefreshReminderFrame()
 	SendMessage(hwnd_plugin, WMU_FILL_LIST, 0, 0);

 

 	if (frame_id == -1)

-		InvalidateRect(hwnd_frame, 0, TRUE);

+		InvalidateRect(hwnd_frame, nullptr, TRUE);

 	else

-		InvalidateRect(hwnd_plugin, 0, TRUE);

+		InvalidateRect(hwnd_plugin, nullptr, TRUE);

 }

 

 void InitFrames()

diff --git a/plugins/Alarms/src/options.cpp b/plugins/Alarms/src/options.cpp
index dbc5cf3dcc..ec2a9a3467 100755
--- a/plugins/Alarms/src/options.cpp
+++ b/plugins/Alarms/src/options.cpp
@@ -18,10 +18,10 @@ struct AddEditParam
 	BOOL self_add;

 };

 

-HGENMENU hMainMenuItem = 0;

+HGENMENU hMainMenuItem = nullptr;

 

 // store options dialog window handle statically so it can be refreshed by non-modal add alarm dialog

-HWND hwndOptionsDialog = 0;

+HWND hwndOptionsDialog = nullptr;

 

 static INT_PTR CALLBACK DlgProcAddEdit(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam)

 {

@@ -628,7 +628,7 @@ static INT_PTR CALLBACK DlgProcAddEdit(HWND hwndDlg, UINT msg, WPARAM wParam, LP
 					GetDlgItemText(hwndDlg, IDC_DESC, buff, _countof(buff));

 					replaceStrW(add_edit_alarm->szDesc, buff);

 

-					if (add_edit_alarm->szTitle == 0 || add_edit_alarm->szTitle[0] == '\0') {

+					if (add_edit_alarm->szTitle == nullptr || add_edit_alarm->szTitle[0] == '\0') {

 						MessageBox(hwndDlg, TranslateT("Please enter a title for this alarm."), TranslateT("Error"), MB_OK | MB_ICONERROR);

 						return TRUE;

 					}

@@ -847,13 +847,13 @@ public:
 	class Node

 	{

 	public:

-		Node() : next(0) {}

+		Node() : next(nullptr) {}

 		unsigned short value;

 		Node *next;

 	};

 

 

-	ShortList() : head(0) {}

+	ShortList() : head(nullptr) {}

 	virtual ~ShortList() { clear(); }

 

 	void clear()

@@ -1198,7 +1198,7 @@ static INT_PTR CALLBACK DlgProcOpts(HWND hwndDlg, UINT msg, WPARAM wParam, LPARA
 		break;

 

 	case WM_DESTROY:

-		hwndOptionsDialog = 0;

+		hwndOptionsDialog = nullptr;

 		added_list.clear();

 		modified_list.clear();

 		deleted_list.clear();