//this file is part of eMule
//Copyright (C)2002-2008 Merkur ( strEmail.Format("%s@%s", "devteam", "emule-project.net") / http://www.emule-project.net )
//
//This program is free software; you can redistribute it and/or
//modify it under the terms of the GNU General Public License
//as published by the Free Software Foundation; either
//version 2 of the License, or (at your option) any later version.
//
//This program is distributed in the hope that it will be useful,
//but WITHOUT ANY WARRANTY; without even the implied warranty of
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//GNU General Public License for more details.
//
//You should have received a copy of the GNU General Public License
//along with this program; if not, write to the Free Software
//Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#include "stdafx.h"
#include <sys/stat.h>
#include <share.h>
#include <io.h>
#include <fcntl.h>
#if _MSC_VER>=1400
#pragma warning(disable:6385 6011)
#endif
#include <atlrx.h>
#if _MSC_VER>=1400
#pragma warning(default:6385 6011)
#endif
#include "emule.h"
#include "OtherFunctions.h"
#include "DownloadQueue.h"
#include "Preferences.h"
#include "PartFile.h"
#include "SharedFileList.h"
#include "KnownFileList.h"
#include "UpDownClient.h"
#include "Opcodes.h"
#include "WebServices.h"
#include <shlobj.h>
#include "emuledlg.h"
#include "MenuCmds.h"
#include "ZipFile.h"
#include "RarFile.h"
#include <atlbase.h>
#include "StringConversion.h"
#include "shahashset.h"
#include "collection.h"
#include "SafeFile.h"
#include "Kademlia/Kademlia/kademlia.h"
#include "kademlia/kademlia/UDPFirewallTester.h"
#include "Log.h"
#include "CxImage/xImage.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif


extern bool GetDRM(LPCTSTR pszFilePath);

CWebServices theWebServices;

// Base chars for encode an decode functions
static byte base16Chars[17] = "0123456789ABCDEF";
static byte base32Chars[33] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567";
#define BASE16_LOOKUP_MAX 23
static byte base16Lookup[BASE16_LOOKUP_MAX][2] = {
    { '0', 0x0 },
    { '1', 0x1 },
    { '2', 0x2 },
    { '3', 0x3 },
    { '4', 0x4 },
    { '5', 0x5 },
    { '6', 0x6 },
    { '7', 0x7 },
    { '8', 0x8 },
    { '9', 0x9 },
	{ ':', 0x9 },
    { ';', 0x9 },
    { '<', 0x9 },
    { '=', 0x9 },
    { '>', 0x9 },
    { '?', 0x9 },
    { '@', 0x9 },
    { 'A', 0xA },
    { 'B', 0xB },
    { 'C', 0xC },
    { 'D', 0xD },
    { 'E', 0xE },
    { 'F', 0xF }
};

CString CastItoXBytes(uint16 count, bool isK, bool isPerSec, uint32 decimal){
	return CastItoXBytes((double)count, isK, isPerSec, decimal);
}

CString CastItoXBytes(uint32 count, bool isK, bool isPerSec, uint32 decimal){
	return CastItoXBytes((double)count, isK, isPerSec, decimal);
}

CString CastItoXBytes(uint64 count, bool isK, bool isPerSec, uint32 decimal){
	return CastItoXBytes((double)count, isK, isPerSec, decimal);
}

#if defined(_DEBUG) && defined(USE_DEBUG_EMFILESIZE)
CString CastItoXBytes(EMFileSize count, bool isK, bool isPerSec, uint32 decimal){
	return CastItoXBytes((double)count, isK, isPerSec, decimal);
}
#endif

CString CastItoXBytes(float count, bool isK, bool isPerSec, uint32 decimal){
	return CastItoXBytes((double)count, isK, isPerSec, decimal);
}

CString CastItoXBytes(double count, bool isK, bool isPerSec, uint32 decimal){
	if( count <= 0.0 )
	{
		if(isPerSec)
		{
			if (thePrefs.GetForceSpeedsToKB())
				return _T("0 ") + GetResString(IDS_KBYTESPERSEC);
			else
				return _T("0 ") + GetResString(IDS_BYTESPERSEC);
		}
		else
			return _T("0 ") + GetResString(IDS_BYTES);
	}
	else if( isK )
	{
		if( count >  1.7E+300 )
			count =  1.7E+300;
		else
			count *= 1024.0;
	}
	CString buffer;
	if( isPerSec )
	{
		if (thePrefs.GetForceSpeedsToKB())
			buffer.Format(_T("%.*f %s"), decimal, count/1024.0, GetResString(IDS_KBYTESPERSEC));
		else if (count < 1024.0)
			buffer.Format(_T("%.0f %s"), count, GetResString(IDS_BYTESPERSEC));
		else if (count < 1024000.0)
			buffer.Format(_T("%.*f %s"), decimal, count/1024.0, GetResString(IDS_KBYTESPERSEC));
		else if (count < 1048576000.0)
			buffer.Format(_T("%.*f %s"), decimal, count/1048576.0, GetResString(IDS_MBYTESPERSEC));
		else if (count < 1073741824000.0)
			buffer.Format(_T("%.*f %s"), decimal, count/1073741824.0, GetResString(IDS_GBYTESPERSEC));
		else 
			buffer.Format(_T("%.*f %s"), decimal, count/1099511627776.0, GetResString(IDS_TBYTESPERSEC));
	}
	else
	{
		if (count < 1024.0)
			buffer.Format(_T("%.0f %s"), count, GetResString(IDS_BYTES));
		else if (count < 1024000.0)
			buffer.Format(_T("%.*f %s"), decimal, count/1024.0, GetResString(IDS_KBYTES));
		else if (count < 1048576000.0)
			buffer.Format(_T("%.*f %s"), decimal, count/1048576.0, GetResString(IDS_MBYTES));
		else if (count < 1073741824000.0)
			buffer.Format(_T("%.*f %s"), decimal, count/1073741824.0, GetResString(IDS_GBYTES));
		else 
			buffer.Format(_T("%.*f %s"), decimal, count/1099511627776.0, GetResString(IDS_TBYTES));
	}
	return buffer;
}

CString CastItoIShort(uint16 count, bool isK, uint32 decimal){
	return CastItoIShort((double)count, isK, decimal);
}

CString CastItoIShort(uint32 count, bool isK, uint32 decimal){
	return CastItoIShort((double)count, isK, decimal);
}

CString CastItoIShort(uint64 count, bool isK, uint32 decimal){
	return CastItoIShort((double)count, isK, decimal);
}

CString CastItoIShort(float count, bool isK, uint32 decimal){
	return CastItoIShort((double)count, isK, decimal);
}

CString CastItoIShort(double count, bool isK, uint32 decimal){
	if( count <= 0.0 )
	{
		return _T("0");
	}
	else if( isK )
	{
		if( count >  1.7E+300 )
			count =  1.7E+300;
		else
			count *= 1000.0;
	}
	CString output;
	if (count < 1000.0)
		output.Format(_T("%.0f"), count);
	else if (count < 1000000.0)
		output.Format(_T("%.*f %s"), decimal, count/1000.0, GetResString(IDS_KILO));
	else if (count < 1000000000.0)
		output.Format(_T("%.*f %s"), decimal, count/1000000.0, GetResString(IDS_MEGA));
	else if (count < 1000000000000.0)
		output.Format(_T("%.*f %s"), decimal, count/1000000000.0, GetResString(IDS_GIGA));
	else if (count < 1000000000000000.0)
		output.Format(_T("%.*f %s"), decimal, count/1000000000000.0, GetResString(IDS_TERRA));
	return output;
}

CString CastSecondsToHM(time_t tSeconds)
{
	if (tSeconds == -1)	// invalid or unknown time value
		return _T("?");

	CString buffer;
	UINT count = tSeconds;
	if (count < 60)
		buffer.Format(_T("%u %s"), count, GetResString(IDS_SECS));
	else if (count < 3600)
		buffer.Format(_T("%u:%02u %s"), count/60, count - (count/60)*60, GetResString(IDS_MINS));
	else if (count < 86400)
		buffer.Format(_T("%u:%02u %s"), count/3600, (count - (count/3600)*3600)/60, GetResString(IDS_HOURS));
	else {
		UINT cntDays = count/86400;
		UINT cntHrs = (count - cntDays*86400)/3600;
		buffer.Format(_T("%u %s %u %s"), cntDays, GetResString(IDS_DAYS), cntHrs, GetResString(IDS_HOURS));
	}
	return buffer;
}

CString CastSecondsToLngHM(time_t tSeconds)
{
	if (tSeconds == -1) // invalid or unknown time value
		return _T("?");

	CString buffer;
	UINT count = tSeconds;
	if (count < 60)
		buffer.Format(_T("%u %s"), count, GetResString(IDS_LONGSECS));
	else if (count < 3600)
		buffer.Format(_T("%u:%02u %s"), count/60, count - (count/60)*60, GetResString(IDS_LONGMINS));
	else if (count < 86400)
		buffer.Format(_T("%u:%02u %s"), count/3600, (count - (count/3600)*3600)/60, GetResString(IDS_LONGHRS));
	else {
		UINT cntDays = count/86400;
		UINT cntHrs = (count - cntDays*86400)/3600;
		if (cntHrs)
			buffer.Format(_T("%u %s %u:%02u %s"), cntDays, GetResString(IDS_DAYS2), cntHrs, (count - (cntDays*86400) - (cntHrs*3600))/60, GetResString(IDS_LONGHRS));
		else
			buffer.Format(_T("%u %s %u %s"), cntDays, GetResString(IDS_DAYS2), (count - (cntDays*86400) - (cntHrs*3600))/60, GetResString(IDS_LONGMINS));
	}
	return buffer;
} 

bool CheckFileOpen(LPCTSTR pszFilePath, LPCTSTR pszFileTitle)
{
	if (thePrefs.GetCheckFileOpen() && !PathIsURL(pszFilePath) && GetDRM(pszFilePath))
	{
		CString strWarning;
		strWarning.Format(GetResString(IDS_FILE_WARNING_DRM), pszFileTitle != NULL ? pszFileTitle : pszFilePath);
		int iAnswer = AfxMessageBox(strWarning, MB_YESNO | MB_ICONEXCLAMATION | MB_DEFBUTTON2);
		if (iAnswer != IDYES)
			return false;
	}
	return true;
}

void ShellOpenFile(CString name)
{
    ShellOpenFile(name, _T("open"));
}

void ShellOpenFile(CString name, LPCTSTR pszVerb)
{
	if ((pszVerb == NULL || pszVerb[0] == _T('\0') || _tcsicmp(pszVerb, _T("open"))) && !CheckFileOpen(name, NULL))
		return;
    ShellExecute(NULL, pszVerb, name, NULL, NULL, SW_SHOW);
}

bool ShellDeleteFile(LPCTSTR pszFilePath)
{
	if (!PathFileExists(pszFilePath))
		return true;
	if (!thePrefs.GetRemoveToBin())
		return (DeleteFile(pszFilePath) != FALSE);

	TCHAR todel[MAX_PATH + 1];
	memset(todel, 0, sizeof todel);
	_tcsncpy(todel, pszFilePath, _countof(todel) - 2);

	SHFILEOPSTRUCT fp = {0};
	fp.wFunc = FO_DELETE;
	fp.hwnd = theApp.emuledlg->m_hWnd;
	fp.pFrom = todel;
	fp.fFlags = FOF_ALLOWUNDO | FOF_NOCONFIRMATION | FOF_SILENT | FOF_NORECURSION;
	bool bResult = false;
	__try {
		// Win98/MSLU: This seems to crash always in UNICOWS.DLL !?
		bResult = (SHFileOperation(&fp) == 0);
	}
	__except(EXCEPTION_EXECUTE_HANDLER) {
		bResult = (DeleteFile(pszFilePath) != FALSE);
	}
	return bResult;
}

CString ShellGetFolderPath(int iCSIDL)
{
	CString strFolderPath;

	// Try the Unicode version from "shell32" *and* examine the function result - just the presence of that
	// function does not mean that it returns the requested path.
	//
	// Win98: 'SHGetFolderPathW' is available in 'shell32.dll', but it does not support all of the CSIDL values.
	HRESULT (WINAPI *pfnSHGetFolderPathW)(HWND, int, HANDLE, DWORD, LPWSTR);
	(FARPROC&)pfnSHGetFolderPathW = GetProcAddress(GetModuleHandle(_T("shell32")), "SHGetFolderPathW");
	if (pfnSHGetFolderPathW)
	{
		WCHAR wszPath[MAX_PATH];
		if ((*pfnSHGetFolderPathW)(NULL, iCSIDL, NULL, SHGFP_TYPE_CURRENT, wszPath) == S_OK)
			strFolderPath = wszPath;
	}

	if (strFolderPath.IsEmpty())
	{
		HMODULE hLibShFolder = LoadLibrary(_T("shfolder.dll"));
		if (hLibShFolder)
		{
			HRESULT (WINAPI *pfnSHGetFolderPathW)(HWND, int, HANDLE, DWORD, LPWSTR);
			(FARPROC&)pfnSHGetFolderPathW = GetProcAddress(hLibShFolder, "SHGetFolderPathW");
			if (pfnSHGetFolderPathW)
			{
				WCHAR wszPath[MAX_PATH];
				if ((*pfnSHGetFolderPathW)(NULL, iCSIDL, NULL, SHGFP_TYPE_CURRENT, wszPath) == S_OK)
					strFolderPath = wszPath;
			}

			if (strFolderPath.IsEmpty())
			{
				HRESULT (WINAPI *pfnSHGetFolderPathA)(HWND, int, HANDLE, DWORD, LPSTR);
				(FARPROC&)pfnSHGetFolderPathA = GetProcAddress(hLibShFolder, "SHGetFolderPathA");
				if (pfnSHGetFolderPathA)
				{
					CHAR aszPath[MAX_PATH];
					if ((*pfnSHGetFolderPathA)(NULL, iCSIDL, NULL, SHGFP_TYPE_CURRENT, aszPath) == S_OK)
						strFolderPath = CString(aszPath);
				}
			}
			FreeLibrary(hLibShFolder);
		}
	}

	return strFolderPath;
}

namespace {
	bool IsHexDigit(int c) {
		switch (c) {
		case '0': return true;
		case '1': return true;
		case '2': return true;
		case '3': return true;
		case '4': return true;
		case '5': return true;
		case '6': return true;
		case '7': return true;
		case '8': return true;
		case '9': return true;
		case 'A': return true;
		case 'B': return true;
		case 'C': return true;
		case 'D': return true;
		case 'E': return true;
		case 'F': return true;
		case 'a': return true;
		case 'b': return true;
		case 'c': return true;
		case 'd': return true;
		case 'e': return true;
		case 'f': return true;
		default: return false;
		}
	}
}

CString URLDecode(const CString& inStr, bool bKeepNewLine)
{
	// decode escape sequences
	CString res;
	for (int x = 0; x < inStr.GetLength(); x++)
	{
		if (inStr.GetAt(x) == _T('%') && x + 2 < inStr.GetLength() && IsHexDigit(inStr.GetAt(x+1)) && IsHexDigit(inStr.GetAt(x+2)))
		{
			TCHAR hexstr[3];
			_tcsncpy(hexstr, inStr.Mid(x+1, 2), 2);
			hexstr[2] = _T('\0');
			x += 2;

			// Convert the hex to ASCII
			TCHAR ch = (TCHAR)_tcstoul(hexstr, NULL, 16);
			if (ch > '\x1F' || (bKeepNewLine && ch == '\x0A')) // filter control chars
				res.AppendChar(ch);
		}
		else
		{
			res.AppendChar(inStr.GetAt(x));
		}
	}
	return res;
}

CString URLEncode(const CString& sInT)
{
	CStringA sIn(sInT);
    LPCSTR pInBuf = sIn;

    CString sOut;
    LPTSTR pOutBuf = sOut.GetBuffer(sIn.GetLength() * 3);
    if(pOutBuf)
    {
		// do encoding
		while (*pInBuf)
		{
			if (_ismbcalnum((BYTE)*pInBuf))
				*pOutBuf++ = (BYTE)*pInBuf;
			else
			{
				*pOutBuf++ = _T('%');
				*pOutBuf++ = toHex((BYTE)*pInBuf >> 4);
				*pOutBuf++ = toHex((BYTE)*pInBuf % 16);
			}
			pInBuf++;
		}
		*pOutBuf = _T('\0');
		sOut.ReleaseBuffer();
    }
    return sOut;
}

CString EncodeURLQueryParam(const CString& sInT)
{
	CStringA sIn(sInT);
    LPCSTR pInBuf = sIn;

	// query         = *uric
	// uric          = reserved | unreserved | escaped
	// reserved      = ";" | "/" | "?" | ":" | "@" | "&" | "=" | "+" | "$" | ","
	// unreserved    = alphanum | mark
	// mark          = "-" | "_" | "." | "!" | "~" | "*" | "'" | "(" | ")"
	//
	// See also: http://www.w3.org/MarkUp/html-spec/html-spec_8.html

    CString sOut;
    LPTSTR pOutBuf = sOut.GetBuffer(sIn.GetLength() * 3);
    if (pOutBuf)
    {
		// do encoding
		while (*pInBuf)
		{
			if (_ismbcalnum((BYTE)*pInBuf))
				*pOutBuf++ = (BYTE)*pInBuf;
			else if (_ismbcspace((BYTE)*pInBuf))
				*pOutBuf++ = _T('+');
			else
			{
				*pOutBuf++ = _T('%');
				*pOutBuf++ = toHex((BYTE)*pInBuf >> 4);
				*pOutBuf++ = toHex((BYTE)*pInBuf % 16);
			}
			pInBuf++;
		}
		*pOutBuf = _T('\0');
		sOut.ReleaseBuffer();
    }
    return sOut;
}

CString MakeStringEscaped(CString in)
{
	in.Replace(_T("&"), _T("&&"));
	return in;
}

CString RemoveAmbersand(const CString& rstr)
{
	CString str(rstr);
	str.Remove(_T('&'));
	return str;
}

bool Ask4RegFix(bool checkOnly, bool dontAsk, bool bAutoTakeCollections)
{
	// Barry - Make backup first
	if (!checkOnly)
		BackupReg();

	bool bGlobalSet = false;
	CRegKey regkey;
	LONG result;
	TCHAR modbuffer[MAX_PATH];
	DWORD dwModPathLen = ::GetModuleFileName(NULL, modbuffer, _countof(modbuffer));
	if (dwModPathLen == 0 || dwModPathLen == _countof(modbuffer))
		return false;
	CString strCanonFileName = modbuffer;
	strCanonFileName.Replace(_T("%"), _T("%%"));
	CString regbuffer;
	regbuffer.Format(_T("\"%s\" \"%%1\""), strCanonFileName);

	// first check if the registry keys are already set (either by installer in HKLM or by user in HKCU)
	result = regkey.Open(HKEY_CLASSES_ROOT, _T("ed2k\\shell\\open\\command"), KEY_READ);
	if (result == ERROR_SUCCESS)
	{
		TCHAR rbuffer[MAX_PATH + 100];
		ULONG maxsize = _countof(rbuffer);
		regkey.QueryStringValue(NULL, rbuffer, &maxsize);
		rbuffer[_countof(rbuffer) - 1] = _T('\0');
		if (maxsize != 0 && _tcsicmp(rbuffer, regbuffer) == 0)
			bGlobalSet = true; // yup, globally we have an entrie for this mule
		regkey.Close();
	}

	if (!bGlobalSet)
	{
		// we actually need to change the registry and write an entry for HKCU
			if (checkOnly)
				return true;
		HKEY hkeyCR = thePrefs.GetWindowsVersion() < _WINVER_2K_ ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER;
		if (regkey.Create(hkeyCR, _T("Software\\Classes\\ed2k\\shell\\open\\command")) == ERROR_SUCCESS)
		{
			if (dontAsk || (AfxMessageBox(GetResString(IDS_ASSIGNED2K), MB_ICONQUESTION|MB_YESNO) == IDYES))
			{
				VERIFY( regkey.SetStringValue(NULL, regbuffer) == ERROR_SUCCESS );
				
				VERIFY( regkey.Create(hkeyCR, _T("Software\\Classes\\ed2k\\DefaultIcon")) == ERROR_SUCCESS );
				VERIFY( regkey.SetStringValue(NULL, modbuffer) == ERROR_SUCCESS );

				VERIFY( regkey.Create(hkeyCR, _T("Software\\Classes\\ed2k")) == ERROR_SUCCESS );
				VERIFY( regkey.SetStringValue(NULL, _T("URL: ed2k Protocol")) == ERROR_SUCCESS );
				VERIFY( regkey.SetStringValue(_T("URL Protocol"), _T("")) == ERROR_SUCCESS );

				VERIFY( regkey.Open(hkeyCR, _T("Software\\Classes\\ed2k\\shell\\open")) == ERROR_SUCCESS );
				regkey.RecurseDeleteKey(_T("ddexec"));
				regkey.RecurseDeleteKey(_T("ddeexec"));
			}
			regkey.Close();
		}
		else
			ASSERT(0);
		}
	else if (checkOnly)
		return bAutoTakeCollections && DoCollectionRegFix(true);
	else if (bAutoTakeCollections)
			DoCollectionRegFix(false);

		return false;
}

void BackupReg(void)
{
	// TODO: This function needs to be changed in at least 2 regards
	//	1)	It must follow the rules: reading from HKCR and writing into HKCU. What we are currently doing
	//		is not consistent with the other registry function which are dealing with the same keys.
	//
	//	2)	It behavious quite(!) differently under Win98 due to an obvious change in the Windows API.
	//		WinXP: Reading an non existant value returns 'key not found' error.
	//		Win98: Reading an non existant value returns an empty string (which gets saved and restored by our code).
	//		This means that saving/restoring existant registry keys works completely different in Win98/XP.
	//		Actually it works correctly under Win98 and is broken in WinXP+. Though, did someone notice it all ?

	HKEY hkeyCR = thePrefs.GetWindowsVersion() < _WINVER_2K_ ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER;
	// Look for pre-existing old ed2k links
	CRegKey regkey;
	if (regkey.Create(hkeyCR, _T("Software\\Classes\\ed2k\\shell\\open\\command")) == ERROR_SUCCESS)
	{
		TCHAR rbuffer[MAX_PATH + 100];
		ULONG maxsize = _countof(rbuffer);
		if (regkey.QueryStringValue(_T("OldDefault"), rbuffer, &maxsize) != ERROR_SUCCESS || maxsize == 0)
		{
			maxsize = _countof(rbuffer);
			if (regkey.QueryStringValue(NULL, rbuffer, &maxsize) == ERROR_SUCCESS)
				VERIFY( regkey.SetStringValue(_T("OldDefault"), rbuffer) == ERROR_SUCCESS );

			VERIFY( regkey.Create(hkeyCR, _T("Software\\Classes\\ed2k\\DefaultIcon")) == ERROR_SUCCESS );
			maxsize = _countof(rbuffer);
			if (regkey.QueryStringValue(NULL, rbuffer, &maxsize) == ERROR_SUCCESS)
				VERIFY( regkey.SetStringValue(_T("OldIcon"), rbuffer) == ERROR_SUCCESS );
		}
		regkey.Close();
	}
	else
		ASSERT(0);
}

// Barry - Restore previous values
void RevertReg(void)
{
	HKEY hkeyCR = thePrefs.GetWindowsVersion() < _WINVER_2K_ ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER;
	// restore previous ed2k links before being assigned to emule
	CRegKey regkey;
	if (regkey.Create(hkeyCR, _T("Software\\Classes\\ed2k\\shell\\open\\command")) == ERROR_SUCCESS)
	{
		TCHAR rbuffer[MAX_PATH + 100];
		ULONG maxsize = _countof(rbuffer);
		if (regkey.QueryStringValue(_T("OldDefault"), rbuffer, &maxsize) == ERROR_SUCCESS)
		{
			VERIFY( regkey.SetStringValue(NULL, rbuffer) == ERROR_SUCCESS );
			VERIFY( regkey.DeleteValue(_T("OldDefault")) == ERROR_SUCCESS );

			VERIFY( regkey.Create(hkeyCR, _T("Software\\Classes\\ed2k\\DefaultIcon")) == ERROR_SUCCESS );
			maxsize = _countof(rbuffer);
			if (regkey.QueryStringValue(_T("OldIcon"), rbuffer, &maxsize) == ERROR_SUCCESS)
			{
				VERIFY( regkey.SetStringValue(NULL, rbuffer) == ERROR_SUCCESS );
				VERIFY( regkey.DeleteValue(_T("OldIcon")) == ERROR_SUCCESS );
			}
		}
		regkey.Close();
	}
	else
		ASSERT(0);
}

int GetMaxWindowsTCPConnections() {
	OSVERSIONINFOEX osvi;
	ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
	osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);

	if(!GetVersionEx((OSVERSIONINFO*)&osvi)) {
		//if OSVERSIONINFOEX doesn't work, try OSVERSIONINFO
		osvi.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
		if(!GetVersionEx((OSVERSIONINFO*)&osvi))
			return -1;  //shouldn't ever happen
	}

	if(osvi.dwPlatformId == VER_PLATFORM_WIN32_NT) // Windows NT product family
		return -1;  //no limits

	if(osvi.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) { // Windows 95 product family

		if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 0) { //old school 95
			HKEY hKey;
			DWORD dwValue;
			DWORD dwLength = sizeof(dwValue);
			LONG lResult;

			RegOpenKeyEx(HKEY_LOCAL_MACHINE, _T("System\\CurrentControlSet\\Services\\VxD\\MSTCP"),
				0, KEY_QUERY_VALUE, &hKey);
			lResult = RegQueryValueEx(hKey, TEXT("MaxConnections"), NULL, NULL,
				(LPBYTE)&dwValue, &dwLength);
			RegCloseKey(hKey);

			if(lResult != ERROR_SUCCESS || lResult < 1)
				return 100;  //the default for 95 is 100

			return dwValue;

		} else { //98 or ME
			HKEY hKey;
			TCHAR szValue[32];
			DWORD dwLength = sizeof(szValue);
			LONG lResult;

			RegOpenKeyEx(HKEY_LOCAL_MACHINE, _T("System\\CurrentControlSet\\Services\\VxD\\MSTCP"),
				0, KEY_QUERY_VALUE, &hKey);
			lResult = RegQueryValueEx(hKey, TEXT("MaxConnections"), NULL, NULL,
				(LPBYTE)szValue, &dwLength);
			RegCloseKey(hKey);

			LONG lMaxConnections;
			if(lResult != ERROR_SUCCESS || (lMaxConnections = _tstoi(szValue)) < 1)
				return 100;  //the default for 98/ME is 100

			return lMaxConnections;
		}         
	}

	return -1;  //give the user the benefit of the doubt, most use NT+ anyway
}

WORD DetectWinVersion()
{
	OSVERSIONINFOEX osvi;
	ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
	osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
	if (!GetVersionEx((OSVERSIONINFO*)&osvi))
	{
		osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
		if (!GetVersionEx((OSVERSIONINFO*)&osvi))
		return FALSE;
	}

	switch (osvi.dwPlatformId)
	{
		case VER_PLATFORM_WIN32_NT:
			if (osvi.dwMajorVersion <= 4)
				return _WINVER_NT4_;
			if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0)
				return _WINVER_2K_;
			if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1)
				return _WINVER_XP_;
			if (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 2)
				return _WINVER_2003_;
			if (osvi.dwMajorVersion == 6 && osvi.dwMinorVersion == 0)
				return _WINVER_VISTA_;
			if (osvi.dwMajorVersion == 6 && osvi.dwMinorVersion == 1)
				return _WINVER_7_;
			return _WINVER_7_; // never return Win95 if we get the info about a NT system
      
		case VER_PLATFORM_WIN32_WINDOWS:
			if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 0)
				return _WINVER_95_; 
			if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 10)
				return _WINVER_98_; 
			if (osvi.dwMajorVersion == 4 && osvi.dwMinorVersion == 90)
				return _WINVER_ME_; 
			break;
	}
	
	return _WINVER_95_;		// there should'nt be anything lower than this
}

int IsRunningXPSP2(){
	OSVERSIONINFOEX osvi;
	ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
	osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
	if(!GetVersionEx((OSVERSIONINFO*)&osvi))
	{
		osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
		if(!GetVersionEx((OSVERSIONINFO*)&osvi)) 
			return 0;
	}

	if (osvi.dwPlatformId == VER_PLATFORM_WIN32_NT && osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 1){
		if (osvi.wServicePackMajor >= 2)
                        return 1;
	}
	return 0;
}

int IsRunningXPSP2OrHigher(){
	switch(thePrefs.GetWindowsVersion()){
		case _WINVER_95_:
		case _WINVER_98_:
		case _WINVER_NT4_:
		case _WINVER_2K_:
		case _WINVER_ME_:
			return 0;
			break;
		case _WINVER_XP_:
			return IsRunningXPSP2();
			break;
		default:
			return 1;
	}
}

uint64 GetFreeDiskSpaceX(LPCTSTR pDirectory)
{
	extern bool g_bUnicoWS;
	static BOOL _bInitialized = FALSE;
	static BOOL (WINAPI *_pfnGetDiskFreeSpaceEx)(LPCTSTR, PULARGE_INTEGER, PULARGE_INTEGER, PULARGE_INTEGER) = NULL;
	static BOOL (WINAPI *_pfnGetDiskFreeSpaceExA)(LPCSTR, PULARGE_INTEGER, PULARGE_INTEGER, PULARGE_INTEGER) = NULL;

	if (!_bInitialized)
	{
		_bInitialized = TRUE;
		if (g_bUnicoWS)
		{
			(FARPROC&)_pfnGetDiskFreeSpaceExA = GetProcAddress(GetModuleHandle(_T("kernel32")), "GetDiskFreeSpaceExA");
		}
		else
		{
			(FARPROC&)_pfnGetDiskFreeSpaceEx = GetProcAddress(GetModuleHandle(_T("kernel32")), _TWINAPI("GetDiskFreeSpaceEx"));
		}
	}

	if (_pfnGetDiskFreeSpaceEx)
	{
		ULARGE_INTEGER nFreeDiskSpace;
		ULARGE_INTEGER dummy;
		if ( (*_pfnGetDiskFreeSpaceEx)(pDirectory, &nFreeDiskSpace, &dummy, &dummy)==TRUE)
			return nFreeDiskSpace.QuadPart;
		else
			return 0;
	}
	else if (_pfnGetDiskFreeSpaceExA)
	{
		ULARGE_INTEGER nFreeDiskSpace;
		ULARGE_INTEGER dummy;
		if ( (*_pfnGetDiskFreeSpaceExA)(CT2CA(pDirectory), &nFreeDiskSpace, &dummy, &dummy)==TRUE)
			return nFreeDiskSpace.QuadPart;
		else
			return 0;
	}
	else 
	{
		TCHAR cDrive[MAX_PATH];
		const TCHAR *p = _tcschr(pDirectory, _T('\\'));
		if (p)
		{
			size_t uChars = p - pDirectory;
			if (uChars >= _countof(cDrive))
				return 0;
			memcpy(cDrive, pDirectory, uChars * sizeof(TCHAR));
			cDrive[uChars] = _T('\0');
		}
		else
		{
			if (_tcslen(pDirectory) >= _countof(cDrive))
				return 0;
			_tcscpy(cDrive, pDirectory);
		}
		DWORD dwSectPerClust, dwBytesPerSect, dwFreeClusters, dwDummy;
		if (GetDiskFreeSpace(cDrive, &dwSectPerClust, &dwBytesPerSect, &dwFreeClusters, &dwDummy))
			return (ULONGLONG)dwFreeClusters * (ULONGLONG)dwSectPerClust * (ULONGLONG)dwBytesPerSect;
		else
			return 0;
	}
}

CString GetRateString(UINT rate)
{ 
	switch (rate){ 
	case 0: 
		return GetResString(IDS_CMT_NOTRATED); 
	case 1: 
		return GetResString(IDS_CMT_FAKE); 
	case 2: 
		return GetResString(IDS_CMT_POOR); 
	case 3: 
		return GetResString(IDS_CMT_FAIR); 
	case 4: 
		return GetResString(IDS_CMT_GOOD); 
	case 5: 
		return GetResString(IDS_CMT_EXCELLENT); 
	} 
	return GetResString(IDS_CMT_NOTRATED); 
} 

// Returns a BASE32 encoded byte array
//
// [In]
//   buffer: Pointer to byte array
//   bufLen: Lenght of buffer array
//
// [Return]
//   CString object with BASE32 encoded byte array
CString EncodeBase32(const unsigned char* buffer, unsigned int bufLen)
{
	CString Base32Buff;
    
	unsigned int i, index;
    unsigned char word;

    for(i = 0, index = 0; i < bufLen;) {

		// Is the current word going to span a byte boundary?
        if (index > 3) {
            word = (BYTE)(buffer[i] & (0xFF >> index));
            index = (index + 5) % 8;
            word <<= index;
            if (i < bufLen - 1)
                word |= buffer[i + 1] >> (8 - index);

            i++;
        } else {
            word = (BYTE)((buffer[i] >> (8 - (index + 5))) & 0x1F);
            index = (index + 5) % 8;
            if (index == 0)
               i++;
        }

		Base32Buff += (char) base32Chars[word];
    }

    return Base32Buff;
}

// Returns a BASE16 encoded byte array
//
// [In]
//   buffer: Pointer to byte array
//   bufLen: Lenght of buffer array
//
// [Return]
//   CString object with BASE16 encoded byte array
CString EncodeBase16(const unsigned char* buffer, unsigned int bufLen)
{
	CString Base16Buff;

	for(unsigned int i = 0; i < bufLen; i++) {
		Base16Buff += base16Chars[buffer[i] >> 4];
		Base16Buff += base16Chars[buffer[i] & 0xf];
	}

    return Base16Buff;
}

// Decodes a BASE16 string into a byte array
//
// [In]
//   base16Buffer: String containing BASE16
//   base16BufLen: Lenght BASE16 coded string's length
//
// [Out]
//   buffer: byte array containing decoded string
bool DecodeBase16(const TCHAR *base16Buffer, unsigned int base16BufLen, byte *buffer, unsigned int bufflen)
{
	unsigned int uDecodeLengthBase16 = DecodeLengthBase16(base16BufLen);
	if (uDecodeLengthBase16 > bufflen)
		return false;
    memset(buffer, 0, uDecodeLengthBase16);
  
    for(unsigned int i = 0; i < base16BufLen; i++) {
		int lookup = _totupper((_TUCHAR)base16Buffer[i]) - _T('0');

        // Check to make sure that the given word falls inside a valid range
		byte word = 0;
        
		if ( lookup < 0 || lookup >= BASE16_LOOKUP_MAX)
           word = 0xFF;
        else
           word = base16Lookup[lookup][1];

		if(i % 2 == 0) {
			buffer[i/2] = word << 4;
		} else {
			buffer[(i-1)/2] |= word;
		}
	}
	return true;
}

// Calculates length to decode from BASE16
//
// [In]
//   base16Length: Actual length of BASE16 string
//
// [Return]
//   New length of byte array decoded
unsigned int DecodeLengthBase16(unsigned int base16Length)
{
	return base16Length / 2U;
}

uint32 DecodeBase32(LPCTSTR pszInput, uchar* paucOutput, uint32 nBufferLen)
{
	if (pszInput == NULL)
		return false;
	uint32 nDecodeLen = (_tcslen(pszInput)*5)/8;
	if ((_tcslen(pszInput)*5) % 8 > 0)
		nDecodeLen++;
	uint32 nInputLen = _tcslen( pszInput );
	if (paucOutput == NULL || nBufferLen == 0)
		return nDecodeLen;
	if (nDecodeLen > nBufferLen || paucOutput == NULL) 
		return 0;

	DWORD nBits	= 0;
	int nCount	= 0;

	for ( int nChars = nInputLen ; nChars-- ; pszInput++ )
	{
		if ( *pszInput >= 'A' && *pszInput <= 'Z' )
			nBits |= ( *pszInput - 'A' );
		else if ( *pszInput >= 'a' && *pszInput <= 'z' )
			nBits |= ( *pszInput - 'a' );
		else if ( *pszInput >= '2' && *pszInput <= '7' )
			nBits |= ( *pszInput - '2' + 26 );
		else
			return 0;
		
		nCount += 5;

		if ( nCount >= 8 )
		{
			*paucOutput++ = (BYTE)( nBits >> ( nCount - 8 ) );
			nCount -= 8;
		}

		nBits <<= 5;
	}

	return nDecodeLen;
}

uint32 DecodeBase32(LPCTSTR pszInput, CAICHHash& Hash)
{
	return DecodeBase32(pszInput, Hash.GetRawHash(), Hash.GetHashSize());
}

CWebServices::CWebServices()
{
	m_tDefServicesFileLastModified = 0;
}

CString CWebServices::GetDefaultServicesFile() const
{
	return thePrefs.GetMuleDirectory(EMULE_CONFIGDIR) + _T("webservices.dat");
}

void CWebServices::RemoveAllServices()
{
	m_aServices.RemoveAll();
	m_tDefServicesFileLastModified = 0;
}

int CWebServices::ReadAllServices()
{
	RemoveAllServices();

	CString strFilePath = GetDefaultServicesFile();
	FILE* readFile = _tfsopen(strFilePath, _T("r"), _SH_DENYWR);
	if (readFile != NULL)
	{
		CString name, url, sbuffer;
		while (!feof(readFile))
		{
			TCHAR buffer[1024];
			if (_fgetts(buffer, _countof(buffer), readFile) == NULL)
				break;
			sbuffer = buffer;

			// ignore comments & too short lines
			if (sbuffer.GetAt(0) == _T('#') || sbuffer.GetAt(0) == _T('/') || sbuffer.GetLength() < 5)
				continue;

			int iPos = sbuffer.Find(_T(','));
			if (iPos > 0)
			{
				CString strUrlTemplate = sbuffer.Right(sbuffer.GetLength() - iPos - 1).Trim();
				if (!strUrlTemplate.IsEmpty())
				{
					bool bFileMacros = false;
					static const LPCTSTR _apszMacros[] = { 
						_T("#hashid"), 
						_T("#filesize"), 
						_T("#filename"), 
						_T("#name"), 
						_T("#cleanfilename"), 
						_T("#cleanname")
					};
					for (int i = 0; i < _countof(_apszMacros); i++)
					{
						if (strUrlTemplate.Find(_apszMacros[i]) != -1)
						{
							bFileMacros = true;
							break;
						}
					}

					SEd2kLinkService svc;
					svc.uMenuID = MP_WEBURL + m_aServices.GetCount();
					svc.strMenuLabel = sbuffer.Left(iPos).Trim();
					svc.strUrl = strUrlTemplate;
					svc.bFileMacros = bFileMacros;
					m_aServices.Add(svc);
				}
			}
		}
		fclose(readFile);

		struct _stat st;
		if (_tstat(strFilePath, &st) == 0)
			m_tDefServicesFileLastModified = st.st_mtime;
	}

	return m_aServices.GetCount();
}

int CWebServices::GetAllMenuEntries(CTitleMenu* pMenu, DWORD dwFlags)
{
	if (m_aServices.GetCount() == 0)
	{
		ReadAllServices();
	}
	else
	{
		struct _stat st;
		if (_tstat(GetDefaultServicesFile(), &st) == 0 && st.st_mtime > m_tDefServicesFileLastModified)
			ReadAllServices();
	}

	int iMenuEntries = 0;
	for (int i = 0; i < m_aServices.GetCount(); i++)
	{
		const SEd2kLinkService& rSvc = m_aServices.GetAt(i);
		if ((dwFlags & WEBSVC_GEN_URLS) && rSvc.bFileMacros)
			continue;
		if ((dwFlags & WEBSVC_FILE_URLS) && !rSvc.bFileMacros)
			continue;
		if (pMenu->AppendMenu(MF_STRING, MP_WEBURL + i, rSvc.strMenuLabel, _T("WEB")))
			iMenuEntries++;
	}
	return iMenuEntries;
}

bool CWebServices::RunURL(const CAbstractFile* file, UINT uMenuID)
{
	for (int i = 0; i < m_aServices.GetCount(); i++)
	{
		const SEd2kLinkService& rSvc = m_aServices.GetAt(i);
		if (rSvc.uMenuID == uMenuID)
		{
			CString strUrlTemplate = rSvc.strUrl;
			if (file != NULL)
			{
				// Convert hash to hexadecimal text and add it to the URL
				strUrlTemplate.Replace(_T("#hashid"), md4str(file->GetFileHash()));

				// Add file size to the URL
				CString temp;
				temp.Format(_T("%I64u"), file->GetFileSize());
				strUrlTemplate.Replace(_T("#filesize"), temp);

				// add complete filename to the url
				strUrlTemplate.Replace(_T("#filename"), EncodeURLQueryParam(file->GetFileName()));

				// add basename to the url
				CString strBaseName = file->GetFileName();
				PathRemoveExtension(strBaseName.GetBuffer(strBaseName.GetLength()));
				strBaseName.ReleaseBuffer();
				strUrlTemplate.Replace(_T("#name"), EncodeURLQueryParam(strBaseName));

				// add cleaned up complete filename to the url
				strUrlTemplate.Replace(_T("#cleanfilename"), EncodeURLQueryParam(CleanupFilename(file->GetFileName())));

				// add cleaned up basename to the url
				strUrlTemplate.Replace(_T("#cleanname"), EncodeURLQueryParam(CleanupFilename(strBaseName, false)));
			}

			// Open URL
			TRACE(_T("Starting URL: %s\n"), strUrlTemplate);
			return (int)ShellExecute(NULL, NULL, strUrlTemplate, NULL, thePrefs.GetMuleDirectory(EMULE_EXECUTEABLEDIR), SW_SHOWDEFAULT) > 32;
		}
	}
	return false;
}

void CWebServices::Edit()
{
	ShellExecute(NULL, _T("open"), thePrefs.GetTxtEditor(), _T("\"") + thePrefs.GetMuleDirectory(EMULE_CONFIGDIR) + _T("webservices.dat\""), NULL, SW_SHOW);
}

typedef struct
{
	LPCTSTR	pszInitialDir;
	LPCTSTR	pszDlgTitle;
} BROWSEINIT, *LPBROWSEINIT;

extern "C" int CALLBACK BrowseCallbackProc(HWND hWnd, UINT uMsg, LPARAM /*lParam*/, LPARAM lpData)
{
	if (uMsg == BFFM_INITIALIZED)
	{
		// Set initial directory
		if ( ((LPBROWSEINIT)lpData)->pszInitialDir != NULL )
			SendMessage(hWnd, BFFM_SETSELECTION, TRUE, (LPARAM)((LPBROWSEINIT)lpData)->pszInitialDir);

		// Set dialog's window title
		if ( ((LPBROWSEINIT)lpData)->pszDlgTitle != NULL )
			SendMessage(hWnd, WM_SETTEXT, 0, (LPARAM)((LPBROWSEINIT)lpData)->pszDlgTitle);
	}

	return 0;
}

bool SelectDir(HWND hWnd, LPTSTR pszPath, LPCTSTR pszTitle, LPCTSTR pszDlgTitle)
{
	bool bResult = false;
	CoInitialize(0);
	LPMALLOC pShlMalloc;
	if (SHGetMalloc(&pShlMalloc) == NOERROR)
	{
		BROWSEINFO BrsInfo = {0};
		BrsInfo.hwndOwner = hWnd;
		BrsInfo.lpszTitle = (pszTitle != NULL) ? pszTitle : pszDlgTitle;
		BrsInfo.ulFlags = BIF_VALIDATE | BIF_NEWDIALOGSTYLE | BIF_RETURNONLYFSDIRS | BIF_SHAREABLE | BIF_DONTGOBELOWDOMAIN;

		BROWSEINIT BrsInit = {0};
		if (pszPath != NULL || pszTitle != NULL || pszDlgTitle != NULL){
			// Need the 'BrowseCallbackProc' to set those strings
			BrsInfo.lpfn = BrowseCallbackProc;
			BrsInfo.lParam = (LPARAM)&BrsInit;
			BrsInit.pszDlgTitle = (pszDlgTitle != NULL) ? pszDlgTitle : NULL/*pszTitle*/;
			BrsInit.pszInitialDir = pszPath;
		}

		LPITEMIDLIST pidlBrowse;
		if ((pidlBrowse = SHBrowseForFolder(&BrsInfo)) != NULL){
			if (SHGetPathFromIDList(pidlBrowse, pszPath))
				bResult = true;
			pShlMalloc->Free(pidlBrowse);
		}
		pShlMalloc->Release();
	}
	CoUninitialize();
	return bResult;
}

void MakeFoldername(CString &rstrPath)
{
	if (!rstrPath.IsEmpty()) // don't canonicalize an empty path, we would get a "\"
	{
		CString strNewPath;
		LPTSTR pszNewPath = strNewPath.GetBuffer(MAX_PATH);
		PathCanonicalize(pszNewPath, rstrPath);
		PathRemoveBackslash(pszNewPath);
		strNewPath.ReleaseBuffer();
		rstrPath = strNewPath;
	}
}

CString StringLimit(CString in, UINT length)
{
	if ((UINT)in.GetLength() <= length || length < 10)
		return in;
	// Tux: Fix: Fix for something [Avi3k] [start]
	// return (in.Left(length-8) + _T("...") + in.Right(8));
	return (in.Left(length-8) + _T("...") + in.Right(5));
	// Tux: Fix: Fix for something [Avi3k] [end]
}

BOOL DialogBrowseFile(CString& rstrPath, LPCTSTR pszFilters, LPCTSTR pszDefaultFileName, DWORD dwFlags,bool openfilestyle) {
    CFileDialog myFileDialog(openfilestyle,NULL,pszDefaultFileName,
							 dwFlags | OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, pszFilters, NULL, 
							 0/*automatically use explorer style open dialog on systems which support it*/);
    if (myFileDialog.DoModal() != IDOK)
		return FALSE;
	rstrPath = myFileDialog.GetPathName();
	return TRUE;
}

void md4str(const uchar* hash, TCHAR* pszHash)
{
    static const TCHAR _acHexDigits[] = _T("0123456789ABCDEF");
    for (int i = 0; i < 16; i++){
		*pszHash++ = _acHexDigits[hash[i] >> 4];
		*pszHash++ = _acHexDigits[hash[i] & 0xf];
	}
	*pszHash = _T('\0');
}

CString md4str(const uchar* hash)
{
	TCHAR szHash[MAX_HASHSTR_SIZE];
	md4str(hash, szHash);
	return CString(szHash);
}

void md4strA(const uchar* hash, CHAR* pszHash)
{
    static const CHAR _acHexDigits[] = "0123456789ABCDEF";
    for (int i = 0; i < 16; i++){
		*pszHash++ = _acHexDigits[hash[i] >> 4];
		*pszHash++ = _acHexDigits[hash[i] & 0xf];
	}
	*pszHash = '\0';
}

CStringA md4strA(const uchar* hash)
{
	CHAR szHash[MAX_HASHSTR_SIZE];
	md4strA(hash, szHash);
	return CStringA(szHash);
}

bool strmd4(const char* pszHash, uchar* hash)
{
	memset(hash, 0, 16);
	for (int i = 0; i < 16; i++)
	{
		char byte[3];
		byte[0] = pszHash[i*2+0];
		byte[1] = pszHash[i*2+1];
		byte[2] = '\0';

		UINT b;
		if (sscanf(byte, "%x", &b) != 1)
			return false;
		hash[i] = (char)b;
	}
	return true;
}

bool strmd4(const CString& rstr, uchar* hash)
{
	memset(hash, 0, 16);
	if (rstr.GetLength() != 16*2)
		return false;
	for (int i = 0; i < 16; i++)
	{
		char byte[3];
		byte[0] = (char)rstr[i*2+0];
		byte[1] = (char)rstr[i*2+1];
		byte[2] = '\0';

		UINT b;
		if (sscanf(byte, "%x", &b) != 1)
			return false;
		hash[i] = (char)b;
	}
	return true;
}

void StripTrailingCollon(CString& rstr)
{
	if (!rstr.IsEmpty())
	{
		if (rstr[rstr.GetLength() - 1] == _T(':'))
			rstr = rstr.Left(rstr.GetLength() - 1);
	}
}

CString ValidFilename(CString filename)
{
	filename = URLDecode(filename);

	if(filename.GetLength() > 100)
		filename = filename.Left(100);

	// remove invalid filename characters
	filename.Remove(_T('\\'));
	filename.Remove(_T('\"'));
	filename.Remove(_T('/'));
	filename.Remove(_T(':'));
	filename.Remove(_T('*'));
	filename.Remove(_T('?'));
	filename.Remove(_T('<'));
	filename.Remove(_T('>'));
	filename.Remove(_T('|'));

	filename.Trim();
	return filename;
}

CString CleanupFilename(CString filename, bool bExtension)
{
	filename = URLDecode(filename);
	filename.MakeLower();

	//remove substrings, defined in the preferences (.ini)
	CString strlink = thePrefs.GetFilenameCleanups();
	strlink.MakeLower();

	int curPos = 0;
	CString resToken = strlink.Tokenize(_T("|"), curPos);
	while (!resToken.IsEmpty())
	{
		filename.Replace(resToken, _T(""));
		resToken = strlink.Tokenize(_T("|"), curPos);
	}

	// Replace "." with space - except the last one (extension-dot)
	int extpos = bExtension ? filename.ReverseFind(_T('.')) : filename.GetLength();
	if (extpos > 0)
	{
		for (int i = 0; i < extpos; i++)
		{
			if (filename.GetAt(i) != _T('.'))
				continue;
			if (i > 0 && i < filename.GetLength()-1 && _istdigit((_TUCHAR)filename.GetAt(i-1)) && _istdigit((_TUCHAR)filename.GetAt(i+1)))
				continue;
			filename.SetAt(i, _T(' '));
		}
	}

	// replace space-holders with spaces
	filename.Replace(_T('_'), _T(' '));
	filename.Replace(_T('+'), _T(' '));
	filename.Replace(_T('='), _T(' '));

	// remove invalid filename characters
	filename.Remove(_T('\\'));
	filename.Remove(_T('\"'));
	filename.Remove(_T('/'));
	filename.Remove(_T(':'));
	filename.Remove(_T('*'));
	filename.Remove(_T('?'));
	filename.Remove(_T('<'));
	filename.Remove(_T('>'));
	filename.Remove(_T('|'));

	// remove [AD]
	CString tempStr;
	int pos1 = -1;
	for (;;)
	{
		pos1 = filename.Find(_T('['), pos1+1);
		if (pos1 == -1)
			break;
		int pos2 = filename.Find(_T(']'), pos1);
		if (pos1 > -1 && pos2 > pos1)
		{
			if (pos2 - pos1 > 1)
			{
				tempStr = filename.Mid(pos1+1, pos2-pos1-1);
				int numcount = 0;
				for (int i = 0; i < tempStr.GetLength(); i++)
				{
					if (_istdigit((_TUCHAR)tempStr.GetAt(i)))
						numcount++;
				}
				if (numcount > tempStr.GetLength()/2)
					continue;
			}
			filename = filename.Left(pos1) + filename.Right(filename.GetLength()-pos2-1);
			pos1--;
		}
		else
			break;
	}

	// Make leading Caps 
	if (filename.GetLength() > 1)
	{
		tempStr = filename.GetAt(0);
		tempStr.MakeUpper();
		filename.SetAt(0, tempStr.GetAt(0));

		int topos = filename.ReverseFind(_T('.')) - 1;
		if (topos < 0)
			topos = filename.GetLength() - 1;

		for (int ix = 0; ix < topos; ix++)
		{
			if (!_istalpha((_TUCHAR)filename.GetAt(ix)))
			{
				if (	(ix < filename.GetLength()-2 && _istdigit((_TUCHAR)filename.GetAt(ix+2))) ||
						filename.GetAt(ix)==_T('\'')
					)
					continue;

				tempStr = filename.GetAt(ix+1);
				tempStr.MakeUpper();
				filename.SetAt(ix+1, tempStr.GetAt(0));
			}
		}
	}

	// additional formatting
	filename.Replace(_T("()"), _T(""));
	filename.Replace(_T("  "), _T(" "));
	filename.Replace(_T(" ."), _T("."));
	filename.Replace(_T("( "), _T("("));
	filename.Replace(_T(" )"), _T(")"));
	filename.Replace(_T("()"), _T(""));
	filename.Replace(_T("{ "), _T("{"));
	filename.Replace(_T(" }"), _T("}"));
	filename.Replace(_T("{}"), _T(""));

	filename.Trim();
	return filename;
}

struct SED2KFileType
{
	LPCTSTR pszExt;
	EED2KFileType iFileType;
} g_aED2KFileTypes[] = 
{
    { _T(".aac"),   ED2KFT_AUDIO },     // Advanced Audio Coding File
    { _T(".ac3"),   ED2KFT_AUDIO },     // Audio Codec 3 File
    { _T(".aif"),   ED2KFT_AUDIO },     // Audio Interchange File Format
    { _T(".aifc"),  ED2KFT_AUDIO },     // Audio Interchange File Format
    { _T(".aiff"),  ED2KFT_AUDIO },     // Audio Interchange File Format
    { _T(".amr"),   ED2KFT_AUDIO },     // Adaptive Multi-Rate Codec File
    { _T(".ape"),   ED2KFT_AUDIO },     // Monkey's Audio Lossless Audio File
    { _T(".au"),    ED2KFT_AUDIO },     // Audio File (Sun, Unix)
    { _T(".aud"),   ED2KFT_AUDIO },     // General Audio File
    { _T(".audio"), ED2KFT_AUDIO },     // General Audio File
    { _T(".cda"),   ED2KFT_AUDIO },     // CD Audio Track
    { _T(".dmf"),   ED2KFT_AUDIO },     // Delusion Digital Music File
    { _T(".dsm"),   ED2KFT_AUDIO },     // Digital Sound Module
    { _T(".dts"),   ED2KFT_AUDIO },     // DTS Encoded Audio File
    { _T(".far"),   ED2KFT_AUDIO },     // Farandole Composer Module
    { _T(".flac"),  ED2KFT_AUDIO },     // Free Lossless Audio Codec File
    { _T(".it"),    ED2KFT_AUDIO },     // Impulse Tracker Module
    { _T(".m1a"),   ED2KFT_AUDIO },     // MPEG-1 Audio File
    { _T(".m2a"),   ED2KFT_AUDIO },     // MPEG-2 Audio File
    { _T(".m4a"),   ED2KFT_AUDIO },     // MPEG-4 Audio File
    { _T(".mdl"),   ED2KFT_AUDIO },     // DigiTrakker Module
    { _T(".med"),   ED2KFT_AUDIO },     // Amiga MED Sound File
    { _T(".mid"),   ED2KFT_AUDIO },     // MIDI File
    { _T(".midi"),  ED2KFT_AUDIO },     // MIDI File
    { _T(".mka"),   ED2KFT_AUDIO },     // Matroska Audio File
    { _T(".mod"),   ED2KFT_AUDIO },     // Amiga Music Module File
    { _T(".mp1"),   ED2KFT_AUDIO },     // MPEG-1 Audio File
    { _T(".mp2"),   ED2KFT_AUDIO },     // MPEG-2 Audio File
    { _T(".mp3"),   ED2KFT_AUDIO },     // MPEG-3 Audio File
    { _T(".mpa"),   ED2KFT_AUDIO },     // MPEG Audio File
    { _T(".mpc"),   ED2KFT_AUDIO },     // Musepack Compressed Audio File
    { _T(".mtm"),   ED2KFT_AUDIO },     // MultiTracker Module
    { _T(".ogg"),   ED2KFT_AUDIO },     // Ogg Vorbis Compressed Audio File
    { _T(".psm"),   ED2KFT_AUDIO },     // Protracker Studio Module
    { _T(".ptm"),   ED2KFT_AUDIO },     // PolyTracker Module
    { _T(".ra"),    ED2KFT_AUDIO },     // Real Audio File
    { _T(".rmi"),   ED2KFT_AUDIO },     // MIDI File
    { _T(".s3m"),   ED2KFT_AUDIO },     // Scream Tracker 3 Module
    { _T(".shn"),   ED2KFT_AUDIO },     // Tux: Improvement: added more file types
    { _T(".snd"),   ED2KFT_AUDIO },     // Audio File (Sun, Unix)
    { _T(".stm"),   ED2KFT_AUDIO },     // Scream Tracker 2 Module
    { _T(".umx"),   ED2KFT_AUDIO },     // Unreal Music Package
    { _T(".w64"),   ED2KFT_AUDIO },     // Tux: Improvement: added more file types
    { _T(".wav"),   ED2KFT_AUDIO },     // WAVE Audio File
    { _T(".wma"),   ED2KFT_AUDIO },     // Windows Media Audio File
    { _T(".wv"),    ED2KFT_AUDIO },     // Tux: Improvement: added more file types
    { _T(".xm"),    ED2KFT_AUDIO },     // Fasttracker 2 Extended Module

    { _T(".3g2"),   ED2KFT_VIDEO },     // 3GPP Multimedia File
    { _T(".3gp"),   ED2KFT_VIDEO },     // 3GPP Multimedia File
    { _T(".3gp2"),  ED2KFT_VIDEO },     // 3GPP Multimedia File
    { _T(".3gpp"),  ED2KFT_VIDEO },     // 3GPP Multimedia File
    { _T(".amv"),   ED2KFT_VIDEO },     // Anime Music Video File
    { _T(".asf"),   ED2KFT_VIDEO },     // Advanced Systems Format File
    { _T(".avi"),   ED2KFT_VIDEO },     // Audio Video Interleave File
    { _T(".bik"),   ED2KFT_VIDEO },     // BINK Video File
    { _T(".divx"),  ED2KFT_VIDEO },     // DivX-Encoded Movie File
    { _T(".dvr-ms"),ED2KFT_VIDEO },     // Microsoft Digital Video Recording
    { _T(".flc"),   ED2KFT_VIDEO },     // FLIC Video File
    { _T(".fli"),   ED2KFT_VIDEO },     // FLIC Video File
    { _T(".flic"),  ED2KFT_VIDEO },     // FLIC Video File
    { _T(".flv"),   ED2KFT_VIDEO },     // Flash Video File
    { _T(".hdmov"), ED2KFT_VIDEO },     // High-Definition QuickTime Movie
    { _T(".ifo"),   ED2KFT_VIDEO },     // DVD-Video Disc Information File
    { _T(".m1v"),   ED2KFT_VIDEO },     // MPEG-1 Video File
    { _T(".m2t"),   ED2KFT_VIDEO },     // MPEG-2 Video Transport Stream
    { _T(".m2ts"),  ED2KFT_VIDEO },     // MPEG-2 Video Transport Stream
    { _T(".m2v"),   ED2KFT_VIDEO },     // MPEG-2 Video File
    { _T(".m4b"),   ED2KFT_VIDEO },     // MPEG-4 Video File
    { _T(".m4v"),   ED2KFT_VIDEO },     // MPEG-4 Video File
    { _T(".mkv"),   ED2KFT_VIDEO },     // Matroska Video File
    { _T(".mov"),   ED2KFT_VIDEO },     // QuickTime Movie File
    { _T(".movie"), ED2KFT_VIDEO },     // QuickTime Movie File
    { _T(".mp1v"),  ED2KFT_VIDEO },     // MPEG-1 Video File        
    { _T(".mp2v"),  ED2KFT_VIDEO },     // MPEG-2 Video File
    { _T(".mp4"),   ED2KFT_VIDEO },     // MPEG-4 Video File
    { _T(".mpe"),   ED2KFT_VIDEO },     // MPEG Video File
    { _T(".mpeg"),  ED2KFT_VIDEO },     // MPEG Video File
    { _T(".mpg"),   ED2KFT_VIDEO },     // MPEG Video File
    { _T(".mpv"),   ED2KFT_VIDEO },     // MPEG Video File
    { _T(".mpv1"),  ED2KFT_VIDEO },     // MPEG-1 Video File
    { _T(".mpv2"),  ED2KFT_VIDEO },     // MPEG-2 Video File
    { _T(".ogm"),   ED2KFT_VIDEO },     // Ogg Media File
    { _T(".pva"),   ED2KFT_VIDEO },     // MPEG Video File
    { _T(".qt"),    ED2KFT_VIDEO },     // QuickTime Movie
    { _T(".ram"),   ED2KFT_VIDEO },     // Real Audio Media
    { _T(".ratdvd"),ED2KFT_VIDEO },     // RatDVD Disk Image
    { _T(".rm"),    ED2KFT_VIDEO },     // Real Media File
    { _T(".rmm"),   ED2KFT_VIDEO },     // Real Media File
    { _T(".rmvb"),  ED2KFT_VIDEO },     // Real Video Variable Bit Rate File
    { _T(".rv"),    ED2KFT_VIDEO },     // Real Video File
    { _T(".smil"),  ED2KFT_VIDEO },     // SMIL Presentation File
    { _T(".smk"),   ED2KFT_VIDEO },     // Smacker Compressed Movie File
    { _T(".swf"),   ED2KFT_VIDEO },     // Macromedia Flash Movie
    { _T(".tp"),    ED2KFT_VIDEO },     // Video Transport Stream File
    { _T(".ts"),    ED2KFT_VIDEO },     // Video Transport Stream File
    { _T(".vid"),   ED2KFT_VIDEO },     // General Video File
    { _T(".video"), ED2KFT_VIDEO },     // General Video File
    { _T(".vob"),   ED2KFT_VIDEO },     // DVD Video Object File
    { _T(".vp6"),   ED2KFT_VIDEO },     // TrueMotion VP6 Video File
    { _T(".wm"),    ED2KFT_VIDEO },     // Windows Media Video File
    { _T(".wmv"),   ED2KFT_VIDEO },     // Windows Media Video File
    { _T(".xvid"),  ED2KFT_VIDEO },     // Xvid-Encoded Video File

    { _T(".bmp"),   ED2KFT_IMAGE },     // Bitmap Image File
    { _T(".emf"),   ED2KFT_IMAGE },     // Enhanced Windows Metafile
    { _T(".gif"),   ED2KFT_IMAGE },     // Graphical Interchange Format File
    { _T(".ico"),   ED2KFT_IMAGE },     // Icon File
    { _T(".jfif"),  ED2KFT_IMAGE },     // JPEG File Interchange Format
	{ _T(".jp2"),   ED2KFT_IMAGE },     // Tux: Improvement: added more file types
    { _T(".jpe"),   ED2KFT_IMAGE },     // JPEG Image File
    { _T(".jpeg"),  ED2KFT_IMAGE },     // JPEG Image File
    { _T(".jpg"),   ED2KFT_IMAGE },     // JPEG Image File
    { _T(".pct"),   ED2KFT_IMAGE },     // PICT Picture File
    { _T(".pcx"),   ED2KFT_IMAGE },     // Paintbrush Bitmap Image File
    { _T(".pic"),   ED2KFT_IMAGE },     // PICT Picture File
    { _T(".pict"),  ED2KFT_IMAGE },     // PICT Picture File
    { _T(".png"),   ED2KFT_IMAGE },     // Portable Network Graphic
    { _T(".psd"),   ED2KFT_IMAGE },     // Photoshop Document
    { _T(".psp"),   ED2KFT_IMAGE },     // Paint Shop Pro Image File
	{ _T(".pspimage"), ED2KFT_IMAGE },  // Tux: Improvement: added more file types
    { _T(".tga"),   ED2KFT_IMAGE },     // Targa Graphic
    { _T(".tif"),   ED2KFT_IMAGE },     // Tagged Image File
    { _T(".tiff"),  ED2KFT_IMAGE },     // Tagged Image File
    { _T(".wmf"),   ED2KFT_IMAGE },     // Windows Metafile
    { _T(".wmp"),   ED2KFT_IMAGE },     // Windows Media Photo File
	{ _T(".xbm"),   ED2KFT_IMAGE },     // Tux: Improvement: added more file types
    { _T(".xif"),   ED2KFT_IMAGE },     // ScanSoft Pagis Extended Image Format File
	{ _T(".xpm"),   ED2KFT_IMAGE },     // Tux: Improvement: added more file types

    { _T(".7z"),    ED2KFT_ARCHIVE },   // 7-Zip Compressed File
    { _T(".ace"),   ED2KFT_ARCHIVE },   // WinAce Compressed File
    { _T(".alz"),   ED2KFT_ARCHIVE },   // ALZip Archive
    { _T(".arc"),   ED2KFT_ARCHIVE },   // Compressed File Archive
    { _T(".arj"),   ED2KFT_ARCHIVE },   // ARJ Compressed File Archive
    { _T(".bz2"),   ED2KFT_ARCHIVE },   // Bzip Compressed File
    { _T(".cab"),   ED2KFT_ARCHIVE },   // Cabinet File
    { _T(".cbr"),   ED2KFT_ARCHIVE },   // Comic Book RAR Archive
    { _T(".cbz"),   ED2KFT_ARCHIVE },   // Comic Book ZIP Archive
    { _T(".gz"),    ED2KFT_ARCHIVE },   // Gnu Zipped File
    { _T(".hqx"),   ED2KFT_ARCHIVE },	// BinHex 4.0 Encoded File
	{ _T(".jar"),   ED2KFT_ARCHIVE },   // Tux: Improvement: added more file types
    { _T(".lha"),   ED2KFT_ARCHIVE },   // LHARC Compressed Archive
    { _T(".lzh"),   ED2KFT_ARCHIVE },   // LZH Compressed File
    { _T(".msi"),   ED2KFT_ARCHIVE },   // Microsoft Installer File
    { _T(".pak"),   ED2KFT_ARCHIVE },   // PAK (Packed) File
    { _T(".par"),   ED2KFT_ARCHIVE },   // Parchive Index File
    { _T(".par2"),  ED2KFT_ARCHIVE },   // Parchive 2 Index File
    { _T(".rar"),   ED2KFT_ARCHIVE },   // WinRAR Compressed Archive
    { _T(".sit"),   ED2KFT_ARCHIVE },   // Stuffit Archive
    { _T(".sitx"),  ED2KFT_ARCHIVE },   // Stuffit X Archive
	{ _T(".sqx"),   ED2KFT_ARCHIVE },   // Tux: Improvement: added more file types
    { _T(".tar"),   ED2KFT_ARCHIVE },   // Consolidated Unix File Archive
    { _T(".tbz2"),  ED2KFT_ARCHIVE },   // Tar BZip 2 Compressed File
    { _T(".tgz"),   ED2KFT_ARCHIVE },   // Gzipped Tar File
    { _T(".xpi"),   ED2KFT_ARCHIVE },   // Mozilla Installer Package
    { _T(".z"),     ED2KFT_ARCHIVE },   // Unix Compressed File
    { _T(".zip"),   ED2KFT_ARCHIVE },   // Zipped File
    { _T(".zipx"),  ED2KFT_ARCHIVE },   // Tux: Improvement: added more file types

	{ _T(".app"),   ED2KFT_PROGRAM },   // Tux: Improvement: added more file types
    { _T(".bat"),   ED2KFT_PROGRAM },	// Batch File
    { _T(".cmd"),   ED2KFT_PROGRAM },	// Command File
    { _T(".com"),   ED2KFT_PROGRAM },	// COM File
    { _T(".exe"),   ED2KFT_PROGRAM },	// Executable File
    { _T(".hta"),   ED2KFT_PROGRAM },	// HTML Application
    { _T(".js"),    ED2KFT_PROGRAM },	// Java Script
    { _T(".jse"),   ED2KFT_PROGRAM },	// Encoded  Java Script
    { _T(".msc"),   ED2KFT_PROGRAM },	// Microsoft Common Console File
    { _T(".vbe"),   ED2KFT_PROGRAM },	// Encoded Visual Basic Script File
    { _T(".vbs"),   ED2KFT_PROGRAM },	// Visual Basic Script File
    { _T(".wsf"),   ED2KFT_PROGRAM },	// Windows Script File
    { _T(".wsh"),   ED2KFT_PROGRAM },	// Windows Scripting Host File

    { _T(".bin"),   ED2KFT_CDIMAGE },   // CD Image
    { _T(".bwa"),   ED2KFT_CDIMAGE },   // BlindWrite Disk Information File
    { _T(".bwi"),   ED2KFT_CDIMAGE },   // BlindWrite CD/DVD Disc Image
    { _T(".bws"),   ED2KFT_CDIMAGE },   // BlindWrite Sub Code File
    { _T(".bwt"),   ED2KFT_CDIMAGE },   // BlindWrite 4 Disk Image
    { _T(".ccd"),   ED2KFT_CDIMAGE },   // CloneCD Disk Image
    { _T(".cue"),   ED2KFT_CDIMAGE },   // Cue Sheet File
    { _T(".dmg"),   ED2KFT_CDIMAGE },   // Mac OS X Disk Image
    { _T(".img"),   ED2KFT_CDIMAGE },   // Disk Image Data File
    { _T(".iso"),   ED2KFT_CDIMAGE },   // Disc Image File
    { _T(".mdf"),   ED2KFT_CDIMAGE },   // Media Disc Image File
    { _T(".mds"),   ED2KFT_CDIMAGE },   // Media Descriptor File
    { _T(".nrg"),   ED2KFT_CDIMAGE },   // Nero CD/DVD Image File
    { _T(".sub"),   ED2KFT_CDIMAGE },   // Subtitle File
    { _T(".toast"), ED2KFT_CDIMAGE },   // Toast Disc Image

    { _T(".chm"),   ED2KFT_DOCUMENT },  // Compiled HTML Help File
    { _T(".css"),   ED2KFT_DOCUMENT },  // Cascading Style Sheet
    { _T(".diz"),   ED2KFT_DOCUMENT },  // Description in Zip File
    { _T(".doc"),   ED2KFT_DOCUMENT },  // Document File
	{ _T(".docx"),  ED2KFT_DOCUMENT },  // Tux: Improvement: added more file types
	{ _T(".dot"),   ED2KFT_DOCUMENT },  // Document Template File
	{ _T(".dotx"),  ED2KFT_DOCUMENT },  // Tux: Improvement: added more file types
    { _T(".hlp"),   ED2KFT_DOCUMENT },  // Help File
    { _T(".htm"),   ED2KFT_DOCUMENT },  // HTML File
    { _T(".html"),  ED2KFT_DOCUMENT },  // HTML File
    { _T(".nfo"),   ED2KFT_DOCUMENT },  // Warez Information File
	{ _T(".odb"),   ED2KFT_DOCUMENT },  // Tux: Improvement: added more file types
	{ _T(".odf"),   ED2KFT_DOCUMENT },  // Tux: Improvement: added more file types
	{ _T(".odp"),   ED2KFT_DOCUMENT },  // Tux: Improvement: added more file types
	{ _T(".ods"),   ED2KFT_DOCUMENT },  // Tux: Improvement: added more file types
	{ _T(".odt"),   ED2KFT_DOCUMENT },  // Tux: Improvement: added more file types
    { _T(".pdf"),   ED2KFT_DOCUMENT },  // Portable Document Format File
    { _T(".pps"),   ED2KFT_DOCUMENT },  // PowerPoint Slide Show
    { _T(".ppt"),   ED2KFT_DOCUMENT },  // PowerPoint Presentation
	{ _T(".pptx"),  ED2KFT_DOCUMENT },  // Tux: Improvement: added more file types
    { _T(".ps"),    ED2KFT_DOCUMENT },  // PostScript File
    { _T(".rtf"),   ED2KFT_DOCUMENT },  // Rich Text Format File
    { _T(".text"),  ED2KFT_DOCUMENT },  // General Text File
    { _T(".txt"),   ED2KFT_DOCUMENT },  // Text File
    { _T(".wri"),   ED2KFT_DOCUMENT },  // Windows Write Document
    { _T(".xls"),   ED2KFT_DOCUMENT },  // Microsoft Excel Spreadsheet
	{ _T(".xlsx"),  ED2KFT_DOCUMENT },  // Tux: Improvement: added more file types
	{ _T(".xlt"),   ED2KFT_DOCUMENT },  // Tux: Improvement: added more file types
    { _T(".xltx"),  ED2KFT_DOCUMENT },  // Tux: Improvement: added more file types
    { _T(".xml"),   ED2KFT_DOCUMENT },  // XML File

	{ _T(".emulecollection"), ED2KFT_EMULECOLLECTION }
};

int __cdecl CompareE2DKFileType(const void* p1, const void* p2)
{
	return _tcscmp( ((const SED2KFileType*)p1)->pszExt, ((const SED2KFileType*)p2)->pszExt );
}

EED2KFileType GetED2KFileTypeID(LPCTSTR pszFileName)
{
	LPCTSTR pszExt = _tcsrchr(pszFileName, _T('.'));
	if (pszExt == NULL)
		return ED2KFT_ANY;
	CString strExt(pszExt);
	strExt.MakeLower();

	SED2KFileType ft;
	ft.pszExt = strExt;
	ft.iFileType = ED2KFT_ANY;
	const SED2KFileType* pFound = (SED2KFileType*)bsearch(&ft, g_aED2KFileTypes, _countof(g_aED2KFileTypes), sizeof g_aED2KFileTypes[0], CompareE2DKFileType);
	if (pFound != NULL)
		return pFound->iFileType;
	return ED2KFT_ANY;
}

// Retuns the ed2k file type string ID which is to be used for publishing+searching
LPCSTR GetED2KFileTypeSearchTerm(EED2KFileType iFileID)
{
	if (iFileID == ED2KFT_AUDIO)			return ED2KFTSTR_AUDIO;
	if (iFileID == ED2KFT_VIDEO)			return ED2KFTSTR_VIDEO;
	if (iFileID == ED2KFT_IMAGE)			return ED2KFTSTR_IMAGE;
	if (iFileID == ED2KFT_PROGRAM)			return ED2KFTSTR_PROGRAM;
	if (iFileID == ED2KFT_DOCUMENT)			return ED2KFTSTR_DOCUMENT;
	// NOTE: Archives and CD-Images are published+searched with file type "Pro"
	// NOTE: If this gets changed, the function 'GetED2KFileTypeSearchID' also needs to get updated!
	if (iFileID == ED2KFT_ARCHIVE)			return ED2KFTSTR_PROGRAM;
	if (iFileID == ED2KFT_CDIMAGE)			return ED2KFTSTR_PROGRAM;
	if (iFileID == ED2KFT_EMULECOLLECTION)	return ED2KFTSTR_EMULECOLLECTION;
	return NULL;
}

// Retuns the ed2k file type integer ID which is to be used for publishing+searching
EED2KFileType GetED2KFileTypeSearchID(EED2KFileType iFileID)
{
	if (iFileID == ED2KFT_AUDIO)			return ED2KFT_AUDIO;
	if (iFileID == ED2KFT_VIDEO)			return ED2KFT_VIDEO;
	if (iFileID == ED2KFT_IMAGE)			return ED2KFT_IMAGE;
	if (iFileID == ED2KFT_PROGRAM)			return ED2KFT_PROGRAM;
	if (iFileID == ED2KFT_DOCUMENT)			return ED2KFT_DOCUMENT;
	// NOTE: Archives and CD-Images are published+searched with file type "Pro"
	// NOTE: If this gets changed, the function 'GetED2KFileTypeSearchTerm' also needs to get updated!
	if (iFileID == ED2KFT_ARCHIVE)			return ED2KFT_PROGRAM;
	if (iFileID == ED2KFT_CDIMAGE)			return ED2KFT_PROGRAM;
	return ED2KFT_ANY;
}

// Returns a file type which is used eMule internally only, examining the extension of the given filename
CString GetFileTypeByName(LPCTSTR pszFileName)
{
	EED2KFileType iFileType = GetED2KFileTypeID(pszFileName);
	switch (iFileType) {
		case ED2KFT_AUDIO:			return _T(ED2KFTSTR_AUDIO);
		case ED2KFT_VIDEO:			return _T(ED2KFTSTR_VIDEO);
		case ED2KFT_IMAGE:			return _T(ED2KFTSTR_IMAGE);
		case ED2KFT_DOCUMENT:		return _T(ED2KFTSTR_DOCUMENT);
		case ED2KFT_PROGRAM:		return _T(ED2KFTSTR_PROGRAM);
		case ED2KFT_ARCHIVE:		return _T(ED2KFTSTR_ARCHIVE);
		case ED2KFT_CDIMAGE:		return _T(ED2KFTSTR_CDIMAGE);
		case ED2KFT_EMULECOLLECTION:return _T(ED2KFTSTR_EMULECOLLECTION);
		default:					return _T("");
	}
}

// Returns a file type which is used eMule internally only (GUI)
CString GetFileTypeDisplayStrFromED2KFileType(LPCTSTR pszED2KFileType)
{
	ASSERT( pszED2KFileType != NULL );
	if (pszED2KFileType != NULL)
	{
		if (_tcscmp(pszED2KFileType, _T(ED2KFTSTR_AUDIO)) == 0)			return GetResString(IDS_SEARCH_AUDIO);
		else if (_tcscmp(pszED2KFileType, _T(ED2KFTSTR_VIDEO)) == 0)    return GetResString(IDS_SEARCH_VIDEO);
		else if (_tcscmp(pszED2KFileType, _T(ED2KFTSTR_IMAGE)) == 0)    return GetResString(IDS_SEARCH_PICS);
		else if (_tcscmp(pszED2KFileType, _T(ED2KFTSTR_DOCUMENT)) == 0)	return GetResString(IDS_SEARCH_DOC);
		else if (_tcscmp(pszED2KFileType, _T(ED2KFTSTR_PROGRAM)) == 0)  return GetResString(IDS_SEARCH_PRG);
		else if (_tcscmp(pszED2KFileType, _T(ED2KFTSTR_ARCHIVE)) == 0)	return GetResString(IDS_SEARCH_ARC);
		else if (_tcscmp(pszED2KFileType, _T(ED2KFTSTR_CDIMAGE)) == 0)  return GetResString(IDS_SEARCH_CDIMG);
		else if (_tcscmp(pszED2KFileType, _T(ED2KFTSTR_EMULECOLLECTION)) == 0)	return GetResString(IDS_SEARCH_EMULECOLLECTION);
	}
	return _T("");
}

class CED2KFileTypes{
public:
	CED2KFileTypes(){
		qsort(g_aED2KFileTypes, _countof(g_aED2KFileTypes), sizeof g_aED2KFileTypes[0], CompareE2DKFileType);
#ifdef _DEBUG
		// check for duplicate entries
		LPCTSTR pszLast = g_aED2KFileTypes[0].pszExt;
		for (int i = 1; i < _countof(g_aED2KFileTypes); i++){
			ASSERT( _tcscmp(pszLast, g_aED2KFileTypes[i].pszExt) != 0 );
			pszLast = g_aED2KFileTypes[i].pszExt;
		}
#endif
	}
};
CED2KFileTypes theED2KFileTypes; // get the list sorted *before* any code is accessing it

const BYTE *FindPattern(const BYTE *pucBuff, int iBuffSize, const BYTE *pucPattern, int iPatternSize)
{
	int iSearchRange = iBuffSize - iPatternSize;
	while (iSearchRange-- >= 0) {
		if (memcmp(pucBuff, pucPattern, iPatternSize) == 0)
			return pucBuff;
		pucBuff++;
	}
	return NULL;
}

TCHAR *stristr(const TCHAR *str1, const TCHAR *str2)
{
	const TCHAR *cp = str1;
	const TCHAR *s1;
	const TCHAR *s2;

	if (!*str2)
		return (TCHAR *)str1;

	while (*cp)
	{
		s1 = cp;
		s2 = str2;

		while (*s1 && *s2 && _totlower((_TUCHAR)*s1) == _totlower((_TUCHAR)*s2))
			s1++, s2++;

		if (!*s2)
			return (TCHAR *)cp;

		cp++;
	}

	return NULL;
}

CString GetNextString(const CString& rstr, LPCTSTR pszTokens, int& riStart)
{
	CString strResult;
	if (pszTokens != NULL && riStart != -1)
	{
		int iToken = rstr.Find(pszTokens, riStart);
		if (iToken != -1)
		{
			int iLen = iToken - riStart;
			if (iLen >= 0)
			{
				strResult = rstr.Mid(riStart, iLen);
				riStart += iLen + 1;
			}
		}
		else
		{
			strResult = rstr.Mid(riStart);
			riStart = -1;
		}
	}
	return strResult;
}

CString GetNextString(const CString& rstr, TCHAR chToken, int& riStart)
{
	CString strResult;
	if (chToken != _T('\0') && riStart != -1)
	{
		int iToken = rstr.Find(chToken, riStart);
		if (iToken != -1)
		{
			int iLen = iToken - riStart;
			if (iLen >= 0)
			{
				strResult = rstr.Mid(riStart, iLen);
				riStart += iLen + 1;
			}
		}
		else
		{
			strResult = rstr.Mid(riStart);
			riStart = -1;
		}
	}
	return strResult;
}

int GetSystemErrorString(DWORD dwError, CString &rstrError)
{
	// FormatMessage language flags:
	//
	// - MFC uses: MAKELANGID(LANG_NEUTRAL, SUBLANG_SYS_DEFAULT)
	//				SUBLANG_SYS_DEFAULT = 0x02 (system default)
	//
	// - SDK uses: MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT)
	//				SUBLANG_DEFAULT		= 0x01 (user default)
	//
	//
	// Found in "winnt.h"
	// ------------------
	//  Language IDs.
	//
	//  The following two combinations of primary language ID and
	//  sublanguage ID have special semantics:
	//
	//    Primary Language ID   Sublanguage ID      Result
	//    -------------------   ---------------     ------------------------
	//    LANG_NEUTRAL          SUBLANG_NEUTRAL     Language neutral
	//    LANG_NEUTRAL          SUBLANG_DEFAULT     User default language
	//    LANG_NEUTRAL          SUBLANG_SYS_DEFAULT System default language
	//
	// *** SDK notes also:
	// If you pass in zero, 'FormatMessage' looks for a message for LANGIDs in 
	// the following order:
	//
	//	1) Language neutral 
	//	2) Thread LANGID, based on the thread's locale value 
	//  3) User default LANGID, based on the user's default locale value 
	//	4) System default LANGID, based on the system default locale value 
	//	5) US English 
	LPTSTR pszSysMsg = NULL;
	DWORD dwLength = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_IGNORE_INSERTS,
								   NULL, dwError, MAKELANGID(LANG_NEUTRAL, SUBLANG_SYS_DEFAULT),
								   (LPTSTR)&pszSysMsg, 0, NULL);
	if (pszSysMsg != NULL && dwLength != 0)
	{
		if (dwLength >= 2 && pszSysMsg[dwLength - 2] == _T('\r'))
			pszSysMsg[dwLength - 2] = _T('\0');
		rstrError = pszSysMsg;
		rstrError.Replace(_T("\r\n"), _T(" ")); // some messages contain CRLF within the message!?
	}
	else {
		rstrError.Empty();
	}

	if (pszSysMsg)
		LocalFree(pszSysMsg);

	return rstrError.GetLength();
}

int GetModuleErrorString(DWORD dwError, CString &rstrError, LPCTSTR pszModule)
{
	LPTSTR pszSysMsg = NULL;
	DWORD dwLength = FormatMessage(FORMAT_MESSAGE_FROM_HMODULE | FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_IGNORE_INSERTS,
								   GetModuleHandle(pszModule), dwError, MAKELANGID(LANG_NEUTRAL, SUBLANG_SYS_DEFAULT),
								   (LPTSTR)&pszSysMsg, 0, NULL);
	if (pszSysMsg != NULL && dwLength != 0)
	{
		if (dwLength >= 2 && pszSysMsg[dwLength - 2] == _T('\r'))
			pszSysMsg[dwLength - 2] = _T('\0');
		rstrError = pszSysMsg;
		rstrError.Replace(_T("\r\n"), _T(" ")); // some messages contain CRLF within the message!?
	}
	else {
		rstrError.Empty();
	}

	if (pszSysMsg)
		LocalFree(pszSysMsg);

	return rstrError.GetLength();
}

int GetErrorMessage(DWORD dwError, CString &rstrErrorMsg, DWORD dwFlags)
{
	int iMsgLen = GetSystemErrorString(dwError, rstrErrorMsg);
	if (iMsgLen == 0)
	{
		if ((long)dwError >= 0)
			rstrErrorMsg.Format(_T("Error %u"), dwError);
		else
			rstrErrorMsg.Format(_T("Error 0x%08x"), dwError);
	}
	else if (dwFlags & 1)
	{
		CString strFullErrorMsg;
		if ((long)dwError >= 0)
			strFullErrorMsg.Format(_T("Error %u: %s"), dwError, rstrErrorMsg);
		else
			strFullErrorMsg.Format(_T("Error 0x%08x: %s"), dwError, rstrErrorMsg);
		rstrErrorMsg = strFullErrorMsg;
	}

	return rstrErrorMsg.GetLength();
}

CString GetErrorMessage(DWORD dwError, DWORD dwFlags)
{
	CString strError;
	GetErrorMessage(dwError, strError, dwFlags);
	return strError;
}

LPCTSTR GetShellExecuteErrMsg(DWORD dwShellExecError)
{
	/* The error codes returned from 'ShellExecute' consist of the 'old' WinExec
	 * error codes and some additional error codes.
	 *
	 * Error					Code							WinExec
	 * ----------------------------------------------------------------------------
	 * 0						0	"Out of memory"				Yes
	 * ERROR_FILE_NOT_FOUND		2	(== SE_ERR_FNF)				Yes
	 * SE_ERR_FNF				2	(== ERROR_FILE_NOT_FOUND)	Yes
	 * ERROR_PATH_NOT_FOUND		3	(== SE_ERR_PNF)				Yes
	 * SE_ERR_PNF				3	(== ERROR_PATH_NOT_FOUND)	Yes
	 * SE_ERR_ACCESSDENIED		5								Yes
	 * SE_ERR_OOM				8								Yes
	 * ERROR_BAD_FORMAT			11								Yes
	 * SE_ERR_SHARE				26								No
	 * SE_ERR_ASSOCINCOMPLETE	27								No
	 * SE_ERR_DDETIMEOUT		28								No
	 * SE_ERR_DDEFAIL			29								No
	 * SE_ERR_DDEBUSY			30								No
	 * SE_ERR_NOASSOC			31								No
	 * SE_ERR_DLLNOTFOUND		32								No
	 *
	 * Using "FormatMessage(FORMAT_MESSAGE_FROM_HMODULE, <shell32.dll>" does *not* work!
	 */
	static const struct _tagERRMSG
	{
		UINT	uId;
		LPCTSTR	pszMsg;
	} s_aszWinExecErrMsg[] =
	{
	  { 0,
		_T("The operating system is out of memory or resources.")},
	  { 1,								
		_T("Call to MS-DOS Int 21 Function 4B00h was invalid.")},
	  {/* 2*/SE_ERR_FNF,				
		_T("The specified file was not found.")},
	  {/* 3*/SE_ERR_PNF,				
		_T("The specified path was not found.")},
	  { 4,								
		_T("Too many files were open.")},
	  {/* 5*/SE_ERR_ACCESSDENIED,		
		_T("The operating system denied access to the specified file.")},
	  { 6,								
		_T("Library requires separate data segments for each task.")},
	  { 7,								
		_T("There were MS-DOS Memory block problems.")},
	  {/* 8*/SE_ERR_OOM,				
		_T("There was insufficient memory to start the application.")},
	  { 9,								
		_T("There were MS-DOS Memory block problems.")},
	  {10,								
		_T("Windows version was incorrect.")},
	  {11,								
		_T("Executable file was invalid. Either it was not a Windows application or there was an error in the .EXE image.")},
	  {12,								
		_T("Application was designed for a different operating system.")},
	  {13,								
		_T("Application was designed for MS-DOS 4.0.")},
	  {14,								
		_T("Type of executable file was unknown.")},
	  {15,								
		_T("Attempt was made to load a real-mode application (developed for an earlier version of Windows).")},
	  {16,								
		_T("Attempt was made to load a second instance of an executable file containing multiple data segments that were not marked read-only.")},
	  {17,								
		_T("Attempt was made in large-frame EMS mode to load a second instance of an application that links to certain nonshareable DLLs that are already in use.")},
	  {18,								
		_T("Attempt was made in real mode to load an application marked for use in protected mode only.")},
	  {19,								
		_T("Attempt was made to load a compressed executable file. The file must be decompressed before it can be loaded.")},
	  {20,								
		_T("Dynamic-link library (DLL) file was invalid. One of the DLLs required to run this application was corrupt.")},
	  {21,								
		_T("Application requires Microsoft Windows 32-bit extensions.")},
	  /*22-31	 RESERVED FOR FUTURE USE. NOT RETURNED BY VERSION 3.0.*/
	  {24,								
		_T("Command line too long.")}, // 30.03.99 []: Seen under WinNT 4.0/Win98 for a very long command line!

	  /*non-WinExec error codes*/
	  {/*26*/SE_ERR_SHARE,				
		_T("A sharing violation occurred.")},
	  {/*27*/SE_ERR_ASSOCINCOMPLETE,	
		_T("The file name association is incomplete or invalid.")},
	  {/*28*/SE_ERR_DDETIMEOUT,			
		_T("The DDE transaction could not be completed because the request timed out.")},
	  {/*29*/SE_ERR_DDEFAIL,			
		_T("The DDE transaction failed.")},
	  {/*30*/SE_ERR_DDEBUSY,			
		_T("The DDE transaction could not be completed because other DDE transactions were being processed.")},
	  {/*31*/SE_ERR_NOASSOC,			
		_T("There is no application associated with the given file name extension.")},
	  {/*32*/SE_ERR_DLLNOTFOUND,		
		_T("The specified dynamic-link library was not found.")}
	};

	if (dwShellExecError > 32)
		return _T("");	// No error

	// Search error message
	for (UINT i = 0; i < _countof(s_aszWinExecErrMsg); i++)
	{
		if (s_aszWinExecErrMsg[i].uId == dwShellExecError)
			return s_aszWinExecErrMsg[i].pszMsg;
	}

	return _T("Unknown error.");
}

int GetDesktopColorDepth()
{
	HDC hdcScreen = ::GetDC(HWND_DESKTOP);
	int iColorBits = GetDeviceCaps(hdcScreen, BITSPIXEL) * GetDeviceCaps(hdcScreen, PLANES);
	::ReleaseDC(HWND_DESKTOP, hdcScreen);
	return iColorBits;
}

int GetAppImageListColorFlag()
{
	int iColorBits = GetDesktopColorDepth();
	int iIlcFlag;
	if (iColorBits >= 32)
		iIlcFlag = ILC_COLOR32;
	else if (iColorBits >= 24)
		iIlcFlag = ILC_COLOR24;
	else if (iColorBits >= 16)
		iIlcFlag = ILC_COLOR16;
	else if (iColorBits >= 8)
		iIlcFlag = ILC_COLOR8;
	else if (iColorBits >= 4)
		iIlcFlag = ILC_COLOR4;
	else
		iIlcFlag = ILC_COLOR;
	return iIlcFlag;
}

CString DbgGetHexDump(const uint8* data, UINT size)
{
	CString buffer; 
	buffer.Format(_T("Size=%u"), size);
	buffer += _T(", Data=[");
	UINT i = 0;
	for(; i < size && i < 50; i++){
		if (i > 0)
			buffer += _T(" ");
		TCHAR temp[3];
		_stprintf(temp, _T("%02x"), data[i]);
		buffer += temp;
	}
	buffer += (i == size) ? _T("]") : _T("..]");
	return buffer;
}

void DbgSetThreadName(LPCSTR szThreadName, ...) 
{
#ifdef DEBUG

#ifndef MS_VC_EXCEPTION
#define MS_VC_EXCEPTION 0x406d1388 

typedef struct tagTHREADNAME_INFO 
{
	DWORD dwType;		// must be 0x1000 
	LPCSTR szName;		// pointer to name (in same addr space) 
	DWORD dwThreadID;	// thread ID (-1 caller thread) 
	DWORD dwFlags;		// reserved for future use, must be zero 
} THREADNAME_INFO; 
#endif

	__try
	{
		va_list args;
		va_start(args, szThreadName);
		int lenBuf = 0;
		char *buffer = NULL;
		int lenResult;
		do // the VS debugger truncates the string to 31 characters anyway!
		{
			lenBuf += 128;
			delete[] buffer;
			buffer = new char[lenBuf];
			lenResult = _vsnprintf(buffer, lenBuf, szThreadName, args);
		} while (lenResult == -1);
		va_end(args);
		THREADNAME_INFO info; 
		info.dwType = 0x1000; 
		info.szName = buffer; 
		info.dwThreadID = (DWORD)-1; 
		info.dwFlags = 0; 
		__try 
		{ 
			RaiseException(MS_VC_EXCEPTION, 0, sizeof(info) / sizeof(DWORD), (DWORD *)&info); 
		} __except (EXCEPTION_CONTINUE_EXECUTION) { } 
		delete [] buffer;
	}
	__except (EXCEPTION_CONTINUE_EXECUTION) {}
#else
	UNREFERENCED_PARAMETER(szThreadName);
#endif
}

CString RemoveFileExtension(const CString& rstrFilePath)
{
	int iDot = rstrFilePath.ReverseFind(_T('.'));
	if (iDot == -1)
		return rstrFilePath;
	return rstrFilePath.Mid(0, iDot);
}

int CompareDirectories(const CString& rstrDir1, const CString& rstrDir2)
{
	// use case insensitive compare as a starter
	if (rstrDir1.CompareNoCase(rstrDir2)==0)
		return 0;

	// if one of the paths ends with a '\' the paths may still be equal from the file system's POV
	CString strDir1(rstrDir1);
	CString strDir2(rstrDir2);
	PathRemoveBackslash(strDir1.GetBuffer());	// remove any available backslash
	strDir1.ReleaseBuffer();
	PathRemoveBackslash(strDir2.GetBuffer());	// remove any available backslash
	strDir2.ReleaseBuffer();
	// remove backslash from root drives like "C:\" - PathRemoveBackslash wonn't do this
	if (strDir1.GetLength() == 3 && strDir1.GetAt(2) == '\\')
		strDir1.Truncate(2);
	if (strDir2.GetLength() == 3 && strDir2.GetAt(2) == '\\')
		strDir2.Truncate(2);
	return strDir1.CompareNoCase(strDir2);		// compare again
}

bool IsGoodIP(uint32 nIP, bool forceCheck)
{
	// always filter following IP's
	// -------------------------------------------
	// 0.0.0.0							invalid
	// 127.0.0.0 - 127.255.255.255		Loopback
    // 224.0.0.0 - 239.255.255.255		Multicast
    // 240.0.0.0 - 255.255.255.255		Reserved for Future Use
	// 255.255.255.255					invalid

	if (nIP==0 || (uint8)nIP==127 || (uint8)nIP>=224){
#ifdef _DEBUG
		if (nIP==0x0100007F && thePrefs.GetAllowLocalHostIP())
			return true;
#endif
		return false;
	}

	if (!thePrefs.FilterLANIPs() && !forceCheck/*ZZ:UploadSpeedSense*/)
		return true;
	else
		return !IsLANIP(nIP);
}

bool IsLANIP(uint32 nIP){
	// LAN IP's
	// -------------------------------------------
	//	0.*								"This" Network
	//	10.0.0.0 - 10.255.255.255		Class A
	//	172.16.0.0 - 172.31.255.255		Class B
	//	192.168.0.0 - 192.168.255.255	Class C

	uint8 nFirst = (uint8)nIP;
	uint8 nSecond = (uint8)(nIP >> 8);

	if (nFirst==192 && nSecond==168) // check this 1st, because those LANs IPs are mostly spreaded
		return true;

	if (nFirst==172 && nSecond>=16 && nSecond<=31)
		return true;

	if (nFirst==0 || nFirst==10)
		return true;

	return false;
}

bool IsGoodIPPort(uint32 nIP, uint16 nPort)
{
	return IsGoodIP(nIP) && nPort!=0;
}

CString GetFormatedUInt(ULONG ulVal)
{
	TCHAR szVal[12];
	_ultot(ulVal, szVal, 10);

	static NUMBERFMT nf;
	if (nf.Grouping == 0) {
		nf.NumDigits = 0;
		nf.LeadingZero = 0;
		nf.Grouping = 3;
		// we are hardcoding the following two format chars by intention because the C-RTL also has the decimal sep hardcoded to '.'
		nf.lpDecimalSep = _T(".");
		nf.lpThousandSep = _T(",");
		nf.NegativeOrder = 0;
	}
	CString strVal;
	const int iBuffSize = _countof(szVal)*2;
	int iResult = GetNumberFormat(LOCALE_SYSTEM_DEFAULT, 0, szVal, &nf, strVal.GetBuffer(iBuffSize), iBuffSize);
	strVal.ReleaseBuffer();
	if (iResult == 0)
		strVal = szVal;
	return strVal;
}

CString GetFormatedUInt64(ULONGLONG ullVal)
{
	TCHAR szVal[24];
	_ui64tot(ullVal, szVal, 10);

	static NUMBERFMT nf;
	if (nf.Grouping == 0) {
		nf.NumDigits = 0;
		nf.LeadingZero = 0;
		nf.Grouping = 3;
		// we are hardcoding the following two format chars by intention because the C-RTL also has the decimal sep hardcoded to '.'
		nf.lpDecimalSep = _T(".");
		nf.lpThousandSep = _T(",");
		nf.NegativeOrder = 0;
	}
	CString strVal;
	const int iBuffSize = _countof(szVal)*2;
	int iResult = GetNumberFormat(LOCALE_SYSTEM_DEFAULT, 0, szVal, &nf, strVal.GetBuffer(iBuffSize), iBuffSize);
	strVal.ReleaseBuffer();
	if (iResult == 0)
		strVal = szVal;
	return strVal;
}

void Debug(LPCTSTR pszFmtMsg, ...)
{
	va_list pArgs;
	va_start(pArgs, pszFmtMsg);
	CString strBuff;
#ifdef _DEBUG
	time_t tNow = time(NULL);
	int iTimeLen = _tcsftime(strBuff.GetBuffer(40), 40, _T("%H:%M:%S "), localtime(&tNow));
	strBuff.ReleaseBuffer(iTimeLen);
#endif
	strBuff.AppendFormatV(pszFmtMsg, pArgs);

	// get around a bug in the debug device which is not capable of dumping long strings
	int i = 0;
	while (i < strBuff.GetLength()){
		OutputDebugString(strBuff.Mid(i, 1024));
		i += 1024;
	}
	va_end(pArgs);
}

void DebugHexDump(const uint8* data, UINT lenData)
{
	int lenLine = 16;
	UINT pos = 0;
	byte c = 0;
	while (pos < lenData)
	{
		CStringA line;
		CStringA single;
		line.Format("%08X ", pos);
		lenLine = min((lenData - pos), 16);
		for (int i=0; i<lenLine; i++)
		{
			single.Format(" %02X", data[pos+i]);
			line += single;
			if (i == 7)
				line += ' ';
		}
		line += CStringA(' ', 60 - line.GetLength());
		for (int i=0; i<lenLine; i++)
		{
			c = data[pos + i];
			single.Format("%c", (((c > 31) && (c < 127)) ? (_TUCHAR)c : '.'));
			line += single;
		}
		Debug(_T("%hs\n"), line);
		pos += lenLine;
	}
}

void DebugHexDump(CFile& file)
{
	int iSize = (int)(file.GetLength() - file.GetPosition());
	if (iSize > 0)
	{
		uint8* data = NULL;
		try{
			data = new uint8[iSize];
			file.Read(data, iSize);
			DebugHexDump(data, iSize);
		}
		catch(CFileException* e){
			TRACE("*** DebugHexDump(CFile&); CFileException\n");
			e->Delete();
		}
		catch(CMemoryException* e){
			TRACE("*** DebugHexDump(CFile&); CMemoryException\n");
			e->Delete();
		}
		delete[] data;
	}
}

LPCTSTR DbgGetFileNameFromID(const uchar* hash)
{
	CKnownFile* reqfile = theApp.sharedfiles->GetFileByID(hash);
	if (reqfile != NULL)
		return reqfile->GetFileName();

	CPartFile* partfile = theApp.downloadqueue->GetFileByID(hash);
	if (partfile != NULL)
		return partfile->GetFileName();

	CKnownFile* knownfile = theApp.knownfiles->FindKnownFileByID(hash);
	if (knownfile != NULL)
		return knownfile->GetFileName();

	return NULL;
}

CString DbgGetFileInfo(const uchar* hash)
{
	if (hash == NULL)
		return CString();

	CString strInfo(_T("File="));
	LPCTSTR pszName = DbgGetFileNameFromID(hash);
	if (pszName != NULL)
		strInfo += pszName;
	else
		strInfo += md4str(hash);
	return strInfo;
}

CString DbgGetFileStatus(UINT nPartCount, CSafeMemFile* data)
{
	CString strFileStatus;
	if (nPartCount == 0)
		strFileStatus = _T("Complete");
	else
	{
		CString strPartStatus;
		UINT nAvailableParts = 0;
		UINT nPart = 0;
		while (nPart < nPartCount)
		{
			uint8 ucPartMask;
			try {
				ucPartMask = data->ReadUInt8();
			}
			catch (CFileException* ex) {
				ex->Delete();
				strPartStatus = _T("*PacketException*");
				break;
			}
			for (int i = 0; i < 8; i++)
			{
				bool bPartAvailable = (((ucPartMask >> i) & 1) != 0);
				if (bPartAvailable)
					nAvailableParts++;
				strPartStatus += bPartAvailable ? _T('#') : _T('.');
				nPart++;
				if (nPart == nPartCount)
					break;
			}
		}
		strFileStatus.Format(_T("Parts=%u  Avail=%u  %s"), nPartCount, nAvailableParts, strPartStatus);
	}
	return strFileStatus;
}

CString DbgGetBlockInfo(const Requested_Block_Struct* block)
{
	return DbgGetBlockInfo(block->StartOffset, block->EndOffset);
}

CString DbgGetBlockInfo(uint64 StartOffset, uint64 EndOffset)
{
	CString strInfo;
	strInfo.Format(_T("%I64u-%I64u (%I64u bytes)"), StartOffset, EndOffset, EndOffset - StartOffset + 1);

	strInfo.AppendFormat(_T(", Part %I64u"), StartOffset/PARTSIZE);
	if (StartOffset/PARTSIZE != EndOffset/PARTSIZE)
		strInfo.AppendFormat(_T("-%I64u(**)"), EndOffset/PARTSIZE);

	strInfo.AppendFormat(_T(", Block %I64u"), StartOffset/EMBLOCKSIZE);
	if (StartOffset/EMBLOCKSIZE != EndOffset/EMBLOCKSIZE)
	{
		strInfo.AppendFormat(_T("-%I64u"), EndOffset/EMBLOCKSIZE);
		if (EndOffset/EMBLOCKSIZE - StartOffset/EMBLOCKSIZE > 1)
			strInfo += _T("(**)");
	}

	return strInfo;
}

CString DbgGetBlockFileInfo(const Requested_Block_Struct* block, const CPartFile* partfile)
{
	CString strInfo(DbgGetBlockInfo(block));
	strInfo += _T("; ");
	strInfo += DbgGetFileInfo(partfile ? partfile->GetFileHash() : NULL);
	return strInfo;
}

int GetHashType(const uchar* hash)
{
	if (hash[5] == 13 && hash[14] == 110)
		return SO_OLDEMULE;
	else if (hash[5] == 14 && hash[14] == 111)
		return SO_EMULE;
 	else if (hash[5] == 'M' && hash[14] == 'L')
		// Tux: Feature: Enhanced Client Recognition v2 [start]
		return SO_OLD_MLDONKEY; // was: SO_MLDONKEY
	else if (hash[5] == 0x0E && hash[14] == 0x6F) 
		return SO_MLDONKEY;
		// Tux: Feature: Enhanced Client Recognition v2 [end]
	else
		return SO_UNKNOWN;
}

LPCTSTR DbgGetHashTypeString(const uchar* hash)
{
	int iHashType = GetHashType(hash);
	if (iHashType == SO_EMULE)
		return _T("eMule");
	if (iHashType == SO_MLDONKEY)
		return _T("MLdonkey");
	// Tux: Feature: Enhanced Client Recognition v2 [start]
	else if (iHashType == SO_OLD_MLDONKEY) 
		return _T("Old MLdonkey");
	// Tux: Feature: Enhanced Client Recognition v2 [end]
	if (iHashType == SO_OLDEMULE)
		return _T("Old eMule");
	ASSERT( iHashType == SO_UNKNOWN );
	return _T("Unknown");
}

CString DbgGetClientID(uint32 nClientID)
{
	CString strClientID;
	if (IsLowID(nClientID))
		strClientID.Format(_T("LowID=%u"), nClientID);
	else
		strClientID = ipstr(nClientID);
	return strClientID;
}

#define _STRVAL(o)	{_T(#o), o}

CString DbgGetDonkeyClientTCPOpcode(UINT opcode)
{
	static const struct
	{
		LPCTSTR pszOpcode;
		UINT uOpcode;
	} _aOpcodes[] =
	{
		_STRVAL(OP_HELLO),
		_STRVAL(OP_SENDINGPART),
		_STRVAL(OP_REQUESTPARTS),
		_STRVAL(OP_FILEREQANSNOFIL),
		_STRVAL(OP_END_OF_DOWNLOAD),
		_STRVAL(OP_ASKSHAREDFILES),
		_STRVAL(OP_ASKSHAREDFILESANSWER),
		_STRVAL(OP_HELLOANSWER),
		_STRVAL(OP_CHANGE_CLIENT_ID),
		_STRVAL(OP_MESSAGE),
		_STRVAL(OP_SETREQFILEID),
		_STRVAL(OP_FILESTATUS),
		_STRVAL(OP_HASHSETREQUEST),
		_STRVAL(OP_HASHSETANSWER),
		_STRVAL(OP_STARTUPLOADREQ),
		_STRVAL(OP_ACCEPTUPLOADREQ),
		_STRVAL(OP_CANCELTRANSFER),
		_STRVAL(OP_OUTOFPARTREQS),
		_STRVAL(OP_REQUESTFILENAME),
		_STRVAL(OP_REQFILENAMEANSWER),
		_STRVAL(OP_CHANGE_SLOT),
		_STRVAL(OP_QUEUERANK),
		_STRVAL(OP_ASKSHAREDDIRS),
		_STRVAL(OP_ASKSHAREDFILESDIR),
		_STRVAL(OP_ASKSHAREDDIRSANS),
		_STRVAL(OP_ASKSHAREDFILESDIRANS),
		_STRVAL(OP_ASKSHAREDDENIEDANS)
	};

	for (int i = 0; i < _countof(_aOpcodes); i++)
	{
		if (_aOpcodes[i].uOpcode == opcode)
			return _aOpcodes[i].pszOpcode;
	}
	CString strOpcode;
	strOpcode.Format(_T("0x%02x"), opcode);
	return strOpcode;
}

CString DbgGetMuleClientTCPOpcode(UINT opcode)
{
	static const struct
	{
		LPCTSTR pszOpcode;
		UINT uOpcode;
	} _aOpcodes[] =
	{
		_STRVAL(OP_EMULEINFO),
		_STRVAL(OP_EMULEINFOANSWER),
		_STRVAL(OP_COMPRESSEDPART),
		_STRVAL(OP_QUEUERANKING),
		_STRVAL(OP_FILEDESC),
		_STRVAL(OP_REQUESTSOURCES),
		_STRVAL(OP_ANSWERSOURCES),
		_STRVAL(OP_REQUESTSOURCES2),
		_STRVAL(OP_ANSWERSOURCES2),
		_STRVAL(OP_PUBLICKEY),
		_STRVAL(OP_SIGNATURE),
		_STRVAL(OP_SECIDENTSTATE),
		_STRVAL(OP_REQUESTPREVIEW),
		_STRVAL(OP_PREVIEWANSWER),
		_STRVAL(OP_MULTIPACKET),
		_STRVAL(OP_MULTIPACKETANSWER),
		_STRVAL(OP_PEERCACHE_QUERY),
		_STRVAL(OP_PEERCACHE_ANSWER),
		_STRVAL(OP_PEERCACHE_ACK),
		_STRVAL(OP_PUBLICIP_ANSWER),
		_STRVAL(OP_PUBLICIP_REQ),
		_STRVAL(OP_PORTTEST),
		_STRVAL(OP_CALLBACK),
		_STRVAL(OP_BUDDYPING),
		_STRVAL(OP_BUDDYPONG),
		_STRVAL(OP_REASKCALLBACKTCP),
		_STRVAL(OP_AICHANSWER),
		_STRVAL(OP_AICHREQUEST),
		_STRVAL(OP_AICHFILEHASHANS),
		_STRVAL(OP_AICHFILEHASHREQ),
		_STRVAL(OP_COMPRESSEDPART_I64),
		_STRVAL(OP_SENDINGPART_I64),
		_STRVAL(OP_REQUESTPARTS_I64),
		_STRVAL(OP_MULTIPACKET_EXT),
		_STRVAL(OP_CHATCAPTCHAREQ),
		_STRVAL(OP_CHATCAPTCHARES),
		_STRVAL(OP_FWCHECKUDPREQ),
		_STRVAL(OP_KAD_FWTCPCHECK_ACK)
	};

	for (int i = 0; i < _countof(_aOpcodes); i++)
	{
		if (_aOpcodes[i].uOpcode == opcode)
			return _aOpcodes[i].pszOpcode;
	}
	CString strOpcode;
	strOpcode.Format(_T("0x%02x"), opcode);
	return strOpcode;
}

#undef _STRVAL

CString DbgGetClientTCPPacket(UINT protocol, UINT opcode, UINT size)
{
	CString str;
	if (protocol == OP_EDONKEYPROT)
		str.Format(_T("protocol=eDonkey  opcode=%s  size=%u"), DbgGetDonkeyClientTCPOpcode(opcode), size);
	else if (protocol == OP_PACKEDPROT)
		str.Format(_T("protocol=Packed  opcode=%s  size=%u"), DbgGetMuleClientTCPOpcode(opcode), size);
	else if (protocol == OP_EMULEPROT)
		str.Format(_T("protocol=eMule  opcode=%s  size=%u"), DbgGetMuleClientTCPOpcode(opcode), size);
	else
		str.Format(_T("protocol=0x%02x  opcode=0x%02x  size=%u"), protocol, opcode, size);
	return str;
}

CString DbgGetClientTCPOpcode(UINT protocol, UINT opcode)
{
	CString str;
	if (protocol == OP_EDONKEYPROT)
		str.Format(_T("%s"), DbgGetDonkeyClientTCPOpcode(opcode));
	else if (protocol == OP_PACKEDPROT)
		str.Format(_T("%s"), DbgGetMuleClientTCPOpcode(opcode));
	else if (protocol == OP_EMULEPROT)
		str.Format(_T("%s"), DbgGetMuleClientTCPOpcode(opcode));
	else
		str.Format(_T("protocol=0x%02x  opcode=0x%02x"), protocol, opcode);
	return str;
}

void DebugRecv(LPCSTR pszMsg, const CUpDownClient* client, const uchar* packet, uint32 nIP)
{
	// 111.222.333.444 = 15 chars
	if (client){
		if (client != NULL && packet != NULL)
			Debug(_T("%-24hs from %s; %s\n"), pszMsg, client->DbgGetClientInfo(true), DbgGetFileInfo(packet));
		else if (client != NULL && packet == NULL)
			Debug(_T("%-24hs from %s\n"), pszMsg, client->DbgGetClientInfo(true));
		else if (client == NULL && packet != NULL)
			Debug(_T("%-24hs; %s\n"), pszMsg, DbgGetFileInfo(packet));
		else
			Debug(_T("%-24hs\n"), pszMsg);
	}
	else{
		if (nIP != 0 && packet != NULL)
			Debug(_T("%-24hs from %-15s; %s\n"), pszMsg, ipstr(nIP), DbgGetFileInfo(packet));
		else if (nIP != 0 && packet == NULL)
			Debug(_T("%-24hs from %-15s\n"), pszMsg, ipstr(nIP));
		else if (nIP == 0 && packet != NULL)
			Debug(_T("%-24hs; %s\n"), pszMsg, DbgGetFileInfo(packet));
		else
			Debug(_T("%-24hs\n"), pszMsg);
	}
}

void DebugSend(LPCSTR pszMsg, const CUpDownClient* client, const uchar* packet)
{
	if (client != NULL && packet != NULL)
		Debug(_T(">>> %-20hs to   %s; %s\n"), pszMsg, client->DbgGetClientInfo(true), DbgGetFileInfo(packet));
	else if (client != NULL && packet == NULL)
		Debug(_T(">>> %-20hs to   %s\n"), pszMsg, client->DbgGetClientInfo(true));
	else if (client == NULL && packet != NULL)
		Debug(_T(">>> %-20hs; %s\n"), pszMsg, DbgGetFileInfo(packet));
	else
		Debug(_T(">>> %-20hs\n"), pszMsg);
}

void DebugSend(LPCSTR pszOpcode, uint32 ip, uint16 port)
{
	TCHAR szIPPort[22];
	_stprintf(szIPPort, _T("%s:%u"), ipstr(ntohl(ip)), port);
	Debug(_T(">>> %-20hs to   %-21s\n"), pszOpcode, szIPPort);
}

void DebugSendF(LPCSTR pszOpcode, uint32 ip, uint16 port, LPCTSTR pszMsg, ...)
{
	va_list args;
	va_start(args, pszMsg);
	TCHAR szIPPort[22];
	_stprintf(szIPPort, _T("%s:%u"), ipstr(ntohl(ip)), port);
	CString str;
	str.Format(_T(">>> %-20hs to   %-21s; "), pszOpcode, szIPPort);
	str.AppendFormatV(pszMsg, args);
	va_end(args);
	Debug(_T("%s\n"), str);
}

void DebugRecv(LPCSTR pszOpcode, uint32 ip, uint16 port)
{
	TCHAR szIPPort[22];
	_stprintf(szIPPort, _T("%s:%u"), ipstr(ntohl(ip)), port);
	Debug(_T("%-24hs from %-21s\n"), pszOpcode, szIPPort);
}

void DebugHttpHeaders(const CStringAArray& astrHeaders)
{
	for (int i = 0; i < astrHeaders.GetCount(); i++)
	{
		const CStringA& rstrHdr = astrHeaders.GetAt(i);
		Debug(_T("<%hs\n"), rstrHdr);
	}
}

ULONGLONG GetDiskFileSize(LPCTSTR pszFilePath)
{
	static BOOL _bInitialized = FALSE;
	static DWORD (WINAPI *_pfnGetCompressedFileSize)(LPCTSTR, LPDWORD) = NULL;

	if (!_bInitialized){
		_bInitialized = TRUE;
		(FARPROC&)_pfnGetCompressedFileSize = GetProcAddress(GetModuleHandle(_T("kernel32")), _TWINAPI("GetCompressedFileSize"));
	}

	// If the file is not compressed nor sparse, 'GetCompressedFileSize' returns the 'normal' file size.
	if (_pfnGetCompressedFileSize)
	{
		ULONGLONG ullCompFileSize;
		((LPDWORD)&ullCompFileSize)[0] = (*_pfnGetCompressedFileSize)(pszFilePath, &((LPDWORD)&ullCompFileSize)[1]);
		if (((LPDWORD)&ullCompFileSize)[0] != INVALID_FILE_SIZE || GetLastError() == NO_ERROR)
			return ullCompFileSize;
	}

	// If 'GetCompressedFileSize' failed or is not available, use the default function
    WIN32_FIND_DATA fd;
    HANDLE hFind = FindFirstFile(pszFilePath, &fd);
    if (hFind == INVALID_HANDLE_VALUE)
		return 0;
	FindClose(hFind);

	return (ULONGLONG)fd.nFileSizeHigh << 32 | (ULONGLONG)fd.nFileSizeLow;
}

// Listview helper function
void GetPopupMenuPos(CListCtrl& lv, CPoint& point)
{
	// If the context menu was not opened using the right mouse button,
	// but the keyboard (Shift+F10), get a useful position for the context menu.
	if (point.x == -1 && point.y == -1)
	{
		int iIdxItem = lv.GetNextItem(-1, LVNI_SELECTED | LVNI_FOCUSED);
		if (iIdxItem != -1)
		{
			CRect rc;
			if (lv.GetItemRect(iIdxItem, &rc, LVIR_BOUNDS))
			{
				point.x = rc.left + lv.GetColumnWidth(0) / 2;
				point.y = rc.top + rc.Height() / 2;
				lv.ClientToScreen(&point);
			}
		}
		else
		{
			point.x = 16;
			point.y = 32;
			lv.ClientToScreen(&point);
		}
	}
}

void GetPopupMenuPos(CTreeCtrl& tv, CPoint& point)
{
	// If the context menu was not opened using the right mouse button,
	// but the keyboard (Shift+F10), get a useful position for the context menu.
	if (point.x == -1 && point.y == -1)
	{
		HTREEITEM hSel = tv.GetNextItem(TVI_ROOT, TVGN_CARET);
		if (hSel)
		{
			CRect rcItem;
			if (tv.GetItemRect(hSel, &rcItem, TRUE))
			{
				point.x = rcItem.left;
				point.y = rcItem.top;
				tv.ClientToScreen(&point);
			}
		}
		else
		{
			point.x = 16;
			point.y = 32;
			tv.ClientToScreen(&point);
		}
	}
}

time_t safe_mktime(struct tm* ptm)
{
	if (ptm == NULL)
		return -1;
	return mktime(ptm);
}

CString StripInvalidFilenameChars(const CString& strText)
{
	LPCTSTR pszSource = strText;
	CString strDest;

	while (*pszSource != _T('\0'))
	{
		if (!(((_TUCHAR)*pszSource >= 0 && (_TUCHAR)*pszSource <= 31) ||
			// lots of invalid chars for filenames in windows :=)
			*pszSource == _T('\"') || *pszSource == _T('*') || *pszSource == _T('<')  || *pszSource == _T('>') ||
			*pszSource == _T('?')  || *pszSource == _T('|') || *pszSource == _T('\\') || *pszSource == _T('/') || 
			*pszSource == _T(':')) )
		{
			strDest += *pszSource;
		}
		pszSource++;
	}

	static const LPCTSTR apszReservedFilenames[] = {
		_T("NUL"), _T("CON"), _T("PRN"), _T("AUX"), _T("CLOCK$"),
		_T("COM1"),_T("COM2"),_T("COM3"),_T("COM4"),_T("COM5"),_T("COM6"),_T("COM7"),_T("COM8"),_T("COM9"),
		_T("LPT1"),_T("LPT2"),_T("LPT3"),_T("LPT4"),_T("LPT5"),_T("LPT6"),_T("LPT7"),_T("LPT8"),_T("LPT9")
	};
	for (int i = 0; i < _countof(apszReservedFilenames); i++)
	{
		int nPrefixLen = _tcslen(apszReservedFilenames[i]);
		if (_tcsnicmp(strDest, apszReservedFilenames[i], nPrefixLen) == 0)
		{
			if (strDest.GetLength() == nPrefixLen) {
				// Filename is a reserved file name:
				// Append an underscore character
				strDest += _T("_");
				break;
			}
			else if (strDest[nPrefixLen] == _T('.')) {
				// Filename starts with a reserved file name followed by a '.' character:
				// Replace that ',' character with an '_' character.
				LPTSTR pszDest = strDest.GetBuffer(strDest.GetLength());
				pszDest[nPrefixLen] = _T('_');
				strDest.ReleaseBuffer(strDest.GetLength());
				break;
			}
		}
	}

	return strDest;
}

bool operator==(const CCKey& k1,const CCKey& k2)
{
	return !md4cmp(k1.m_key, k2.m_key);
}

bool operator==(const CSKey& k1,const CSKey& k2)
{
	return !md4cmp(k1.m_key, k2.m_key);
}

CString ipstr(uint32 nIP)
{
	// following gives the same string as 'inet_ntoa(*(in_addr*)&nIP)' but is not restricted to ASCII strings
	const BYTE* pucIP = (BYTE*)&nIP;
	CString strIP;
	strIP.ReleaseBuffer(_stprintf(strIP.GetBuffer(3+1+3+1+3+1+3), _T("%u.%u.%u.%u"), pucIP[0], pucIP[1], pucIP[2], pucIP[3]));
	return strIP;
}

CString ipstr(uint32 nIP, uint16 nPort)
{
	// following gives the same string as 'inet_ntoa(*(in_addr*)&nIP)' but is not restricted to ASCII strings
	const BYTE* pucIP = (BYTE*)&nIP;
	CString strIP;
	strIP.ReleaseBuffer(_stprintf(strIP.GetBuffer(3+1+3+1+3+1+3+1+5), _T("%u.%u.%u.%u:%u"), pucIP[0], pucIP[1], pucIP[2], pucIP[3], nPort));
	return strIP;
}

CString ipstr(LPCTSTR pszAddress, uint16 nPort)
{
	CString strIPPort;
	strIPPort.Format(_T("%s:%u"), pszAddress, nPort);
	return strIPPort;
}

CStringA ipstrA(uint32 nIP)
{
	const BYTE* pucIP = (BYTE*)&nIP;
	CStringA strIP;
	strIP.ReleaseBuffer(sprintf(strIP.GetBuffer(3+1+3+1+3+1+3), "%u.%u.%u.%u", pucIP[0], pucIP[1], pucIP[2], pucIP[3]));
	return strIP;
}

void ipstrA(CHAR* pszAddress, int iMaxAddress, uint32 nIP)
{
	const BYTE* pucIP = (BYTE*)&nIP;
	_snprintf(pszAddress, iMaxAddress, "%u.%u.%u.%u", pucIP[0], pucIP[1], pucIP[2], pucIP[3]);
}

bool IsDaylightSavingTimeActive(LONG& rlDaylightBias)
{
	TIME_ZONE_INFORMATION tzi;
	if (GetTimeZoneInformation(&tzi) != TIME_ZONE_ID_DAYLIGHT)
		return false;
	rlDaylightBias = tzi.DaylightBias;
	return true;
}

class CVolumeInfo
{
public:
	static bool IsNTFSVolume(LPCTSTR pszVolume)
	{
		return (_tcscmp(GetVolumeInfo(pszVolume), _T("NTFS")) == 0);
	}

	static bool IsFATVolume(LPCTSTR pszVolume)
	{
		return (_tcsnicmp(GetVolumeInfo(pszVolume), _T("FAT"), 3) == 0);
	}

	static const CString& GetVolumeInfo(LPCTSTR pszVolume)
	{
		CString strVolumeId(pszVolume);
		ASSERT( strVolumeId.GetLength() > 0 && strVolumeId[strVolumeId.GetLength() - 1] == _T('\\') );
		strVolumeId.MakeLower();
		CMapStringToString::CPair *pPair = m_mapVolumeInfo.PLookup(strVolumeId);
		if (pPair != NULL)
			return pPair->value;

		// 'GetVolumeInformation' may cause a noticable delay - depending on the type of volume 
		// which is queried. As we are using that function for almost every file (for compensating
		// the NTFS file time issues), we need to cash this information.
		//
		// The cash gets cleared when the user manually hits the 'Reload' button in the 'Shared
		// Files' window and when Windows broadcasts a message about that a volume was mounted/unmounted.
		//
	DWORD dwMaximumComponentLength = 0;
	DWORD dwFileSystemFlags = 0;
		TCHAR szFileSystemNameBuffer[MAX_PATH + 1];
		if (!GetVolumeInformation(pszVolume, NULL, 0, NULL, &dwMaximumComponentLength, &dwFileSystemFlags, szFileSystemNameBuffer, _countof(szFileSystemNameBuffer)))
			szFileSystemNameBuffer[0] = _T('\0');
		return m_mapVolumeInfo[strVolumeId] = szFileSystemNameBuffer;
	}

	static void ClearCache(int iDrive)
	{
		if (iDrive == -1)
			m_mapVolumeInfo.RemoveAll();
		else
		{
			TCHAR szRoot[MAX_PATH];
			szRoot[0] = _T('\0');
			PathBuildRoot(szRoot, iDrive);
			if (szRoot[0] != _T('\0'))
			{
				CString strVolumeId(szRoot);
				ASSERT( strVolumeId.GetLength() > 0 && strVolumeId[strVolumeId.GetLength() - 1] == _T('\\') );
				strVolumeId.MakeLower();
				m_mapVolumeInfo.RemoveKey(strVolumeId);
			}
		}
	}

protected:
	static CMapStringToString m_mapVolumeInfo;
};

static CVolumeInfo g_VolumeInfo;
CMapStringToString CVolumeInfo::m_mapVolumeInfo;

bool IsNTFSVolume(LPCTSTR pszVolume)
{
	return g_VolumeInfo.IsNTFSVolume(pszVolume);
}

bool IsFATVolume(LPCTSTR pszVolume)
{
	return g_VolumeInfo.IsFATVolume(pszVolume);
}

void ClearVolumeInfoCache(int iDrive)
{
	g_VolumeInfo.ClearCache(iDrive);
}

bool IsFileOnNTFSVolume(LPCTSTR pszFilePath)
{
	CString strRootPath(pszFilePath);
	BOOL bResult = PathStripToRoot(strRootPath.GetBuffer());
	strRootPath.ReleaseBuffer();
	if (!bResult)
		return false;
	// Need to add a trailing backslash in case of a network share
	if (!strRootPath.IsEmpty() && strRootPath[strRootPath.GetLength() - 1] != _T('\\')) {
		PathAddBackslash(strRootPath.GetBuffer(strRootPath.GetLength() + 1));
	strRootPath.ReleaseBuffer();
	}
	return IsNTFSVolume(strRootPath);
}

bool IsFileOnFATVolume(LPCTSTR pszFilePath)
{
	CString strRootPath(pszFilePath);
	BOOL bResult = PathStripToRoot(strRootPath.GetBuffer());
	strRootPath.ReleaseBuffer();
	if (!bResult)
		return false;
	// Need to add a trailing backslash in case of a network share
	if (!strRootPath.IsEmpty() && strRootPath[strRootPath.GetLength() - 1] != _T('\\')) {
		PathAddBackslash(strRootPath.GetBuffer(strRootPath.GetLength() + 1));
		strRootPath.ReleaseBuffer();
	}
	return IsFATVolume(strRootPath);
}

bool IsAutoDaylightTimeSetActive()
{
	CRegKey key;
	if (key.Open(HKEY_LOCAL_MACHINE, _T("SYSTEM\\CurrentControlSet\\Control\\TimeZoneInformation"), KEY_READ) == ERROR_SUCCESS)
	{
		DWORD dwDisableAutoDaylightTimeSet = 0;
		if (key.QueryDWORDValue(_T("DisableAutoDaylightTimeSet"), dwDisableAutoDaylightTimeSet) == ERROR_SUCCESS)
		{
			if (dwDisableAutoDaylightTimeSet)
				return false;
		}
	}
	return true; // default to 'Automatically adjust clock for daylight saving changes'
}

bool AdjustNTFSDaylightFileTime(uint32& ruFileDate, LPCTSTR pszFilePath)
{
	if (!thePrefs.GetAdjustNTFSDaylightFileTime())
		return false;
	if (ruFileDate == 0 || ruFileDate == -1)
		return false;

	// See also KB 129574
	LONG lDaylightBias = 0;
	if (IsDaylightSavingTimeActive(lDaylightBias))
	{
		if (IsAutoDaylightTimeSetActive())
		{
			if (IsFileOnNTFSVolume(pszFilePath))
			{
				ruFileDate += lDaylightBias*60;
				return true;
			}
		}
		else
		{
			// If 'Automatically adjust clock for daylight saving changes' is disabled and
			// if the file's date is within DST period, we get again a wrong file date.
			//
			// If 'Automatically adjust clock for daylight saving changes' is disabled, 
			// Windows always reports 'Active DST'(!!) with a bias of '0' although there is no 
			// DST specified. This means also, that there is no chance to determine if a date is
			// within any DST.
			
			// Following code might be correct, but because we don't have a DST and because we don't have a bias,
			// the code won't do anything useful.
			/*struct tm* ptm = localtime((time_t*)&ruFileDate);
			bool bFileDateInDST = (ptm && ptm->tm_isdst == 1);
			if (bFileDateInDST)
			{
				ruFileDate += lDaylightBias*60;
				return true;
			}*/
		}
	}

	return false;
}

bool ExpandEnvironmentStrings(CString& rstrStrings)
{
	DWORD dwSize = ExpandEnvironmentStrings(rstrStrings, NULL, 0);
	if (dwSize == 0)
		return false;

	CString strExpanded;
	DWORD dwCount = ExpandEnvironmentStrings(rstrStrings, strExpanded.GetBuffer(dwSize-1), dwSize);
	if (dwCount == 0 || dwCount != dwSize){
		ASSERT(0);
		return false;
	}
	strExpanded.ReleaseBuffer(dwCount-1);
	rstrStrings = strExpanded;
	return true;
}

uint16 GetRandomUInt16()
{
#if RAND_MAX == 0x7fff
	// get 2 random numbers
	UINT uRand0 = rand();
	UINT uRand1 = rand();

	// NOTE: if that assert fires, you have most likely called that function *without* calling 'srand' first.
	// NOTE: each spawned thread HAS to call 'srand' for itself to get real random numbers.
	ASSERT( !(uRand0 == 41 && uRand1 == 18467) );

	return (uint16)(uRand0 | ((uRand1 >= RAND_MAX/2) ? 0x8000 : 0x0000));
#else
#error "Implement it!"
#endif
}

uint32 GetRandomUInt32()
{
#if RAND_MAX == 0x7fff
	//return ((uint32)GetRandomUInt16() << 16) | (uint32)GetRandomUInt16();
	// this would give the receiver the following information:
	//	random number N
	//	random number N+1 is below or greater/equal than 0x8000
	//	random number N+2
	//	random number N+3 is below or greater/equal than 0x8000

	uint32 uRand0 = GetRandomUInt16();
	srand(GetTickCount() | uRand0);
	uint32 uRand1 = GetRandomUInt16();
	return (uRand0 << 16) | uRand1;
#else
#error "Implement it!"
#endif
}

HWND ReplaceRichEditCtrl(CWnd* pwndRE, CWnd* pwndParent, CFont* pFont)
{
	HWND hwndNewRE = NULL;

	ASSERT( pwndRE );
	if (pwndRE)
	{
		CHAR szClassName[MAX_PATH];
		if (GetClassNameA(*pwndRE, szClassName, _countof(szClassName)) && __ascii_stricmp(szClassName, "RichEdit20W")==0)
			return NULL;

		CRect rcWnd;
		pwndRE->GetWindowRect(&rcWnd);

		DWORD dwStyle = pwndRE->GetStyle();
		dwStyle |= WS_VSCROLL | WS_HSCROLL;
		DWORD dwExStyle = pwndRE->GetExStyle();

		CString strText;
		pwndRE->GetWindowText(strText);

		UINT uCtrlID = GetWindowLong(*pwndRE, GWL_ID);

		pwndRE->DestroyWindow();
		pwndRE = NULL;

		pwndParent->ScreenToClient(&rcWnd);
		hwndNewRE = CreateWindowEx(dwExStyle, RICHEDIT_CLASS, strText, dwStyle, rcWnd.left, rcWnd.top, rcWnd.Width(), rcWnd.Height(), pwndParent->m_hWnd, (HMENU)uCtrlID, NULL, NULL);
		if (hwndNewRE && pFont && pFont->m_hObject)
			::SendMessage(hwndNewRE, WM_SETFONT, (WPARAM)pFont->m_hObject, 0);
	}
	return hwndNewRE;
}

void InstallSkin(LPCTSTR pszSkinPackage)
{
	if (thePrefs.GetMuleDirectory(EMULE_SKINDIR).IsEmpty() || _taccess(thePrefs.GetMuleDirectory(EMULE_SKINDIR), 0) != 0) {
		AfxMessageBox(GetResString(IDS_INSTALL_SKIN_NODIR), MB_ICONERROR);
		return;
	}

	static const TCHAR _szSkinSuffix[] = _T(".") EMULSKIN_BASEEXT _T(".ini");

	TCHAR szExt[_MAX_EXT];
	_tsplitpath(pszSkinPackage, NULL, NULL, NULL, szExt);
	_tcslwr(szExt);

	if (_tcscmp(szExt, _T(".zip")) == 0)
	{
		CZIPFile zip;
		if (zip.Open(pszSkinPackage))
		{
			// Search the "*.eMuleSkin.ini" file..
			CZIPFile::File* zfIniFile = NULL;
			for (int i = 0; i < zip.GetCount(); i++)
			{
				CZIPFile::File* zf = zip.GetFile(i);
				if (zf && zf->m_sName.Right(_countof(_szSkinSuffix)-1).CompareNoCase(_szSkinSuffix) == 0)
				{
					zfIniFile = zf;
					break;
				}
			}

			if (zfIniFile)
			{
				for (int i = 0; i < zip.GetCount(); i++)
				{
					CZIPFile::File* zf = zip.GetFile(i);
					if (zf)
					{
						if (zf->m_sName.IsEmpty())
							continue;
						if (zf->m_sName[0] == _T('\\') || zf->m_sName[0] == _T('/'))
							continue;
						if (zf->m_sName.Find(_T(':')) != -1)
							continue;
						if (zf->m_sName.Find(_T("..\\")) != -1 || zf->m_sName.Find(_T("../")) != -1)
							continue;
						if (zf->m_sName[zf->m_sName.GetLength()-1] == _T('/'))
						{
							CString strDstDirPath;
							PathCanonicalize(strDstDirPath.GetBuffer(MAX_PATH), thePrefs.GetMuleDirectory(EMULE_SKINDIR) + _T('\\') + zf->m_sName.Left(zf->m_sName.GetLength()-1));
							strDstDirPath.ReleaseBuffer();
							if (!CreateDirectory(strDstDirPath, NULL)){
								DWORD dwError = GetLastError();
								CString strError;
								strError.Format(GetResString(IDS_INSTALL_SKIN_DIR_ERROR), strDstDirPath, GetErrorMessage(dwError));
								AfxMessageBox(strError, MB_ICONERROR);
								break;
							}
						}
						else
						{
							CString strDstFilePath;
							PathCanonicalize(strDstFilePath.GetBuffer(MAX_PATH), thePrefs.GetMuleDirectory(EMULE_SKINDIR) + _T('\\') + zf->m_sName);
							strDstFilePath.ReleaseBuffer();
							SetLastError(0);
							if (!zf->Extract(strDstFilePath)){
								DWORD dwError = GetLastError();
								CString strError;
								strError.Format(GetResString(IDS_INSTALL_SKIN_FILE_ERROR), zf->m_sName, strDstFilePath, GetErrorMessage(dwError));
								AfxMessageBox(strError, MB_ICONERROR);
								break;
							}
						}
					}
				}
			}
			else {
				AfxMessageBox(GetResString(IDS_INSTALL_SKIN_PKG_ERROR), MB_ICONERROR);
			}
			zip.Close();
		}
		else {
			AfxMessageBox(GetResString(IDS_INSTALL_SKIN_PKG_ERROR), MB_ICONERROR);
		}
	}
	else if (_tcscmp(szExt, _T(".rar")) == 0)
	{
		CRARFile rar;
		if (rar.Open(pszSkinPackage))
		{
			bool bError = false;
			bool bFoundSkinINIFile = false;
			CString strFileName;
			while (rar.GetNextFile(strFileName))
			{
				if (strFileName.IsEmpty()) {
					rar.Skip();
					continue;
				}
				if (strFileName[0] == _T('\\') || strFileName[0] == _T('/')) {
					rar.Skip();
					continue;
				}
				if (strFileName.Find(_T(':')) != -1) {
					rar.Skip();
					continue;
				}
				if (strFileName.Find(_T("..\\")) != -1 || strFileName.Find(_T("../")) != -1) {
					rar.Skip();
					continue;
				}

				if (!bFoundSkinINIFile && strFileName.Right(_countof(_szSkinSuffix)-1).CompareNoCase(_szSkinSuffix) == 0)
					bFoundSkinINIFile = true;

				// No need to care about possible available sub-directories. UnRAR.DLL cares about that automatically.
				CString strDstFilePath;
				PathCanonicalize(strDstFilePath.GetBuffer(MAX_PATH), thePrefs.GetMuleDirectory(EMULE_SKINDIR) + _T('\\') + strFileName);
				strDstFilePath.ReleaseBuffer();
				SetLastError(0);
				if (!rar.Extract(strDstFilePath)) {
					DWORD dwError = GetLastError();
					CString strError;
					strError.Format(GetResString(IDS_INSTALL_SKIN_FILE_ERROR), strFileName, strDstFilePath, GetErrorMessage(dwError));
					AfxMessageBox(strError, MB_ICONERROR);
					bError = true;
					break;
				}
			}

			if (!bError && !bFoundSkinINIFile)
				AfxMessageBox(GetResString(IDS_INSTALL_SKIN_PKG_ERROR), MB_ICONERROR);

			rar.Close();
		}
		else {
			CString strError;
			strError.Format(_T("%s\r\n\r\nDownload latest version of UNRAR.DLL from http://www.rarlab.com and copy UNRAR.DLL into eMule installation folder."), GetResString(IDS_INSTALL_SKIN_PKG_ERROR));
			AfxMessageBox(strError, MB_ICONERROR);
		}
	}
}

void TriggerPortTest(uint16 tcp, uint16 udp) {
	CString m_sTestURL;

	// do not alter the connection test, this is a manual test only. If you want to change the behaviour, use your server!
	m_sTestURL.Format(PORTTESTURL, tcp, udp , thePrefs.GetLanguageID());

	// the portcheck will need to do an obfuscated callback too if obfuscation is requested, so we have to provide our userhash so it can create the key
	if (thePrefs.IsClientCryptLayerRequested())
		m_sTestURL += _T("&obfuscated_test=") + md4str(thePrefs.GetUserHash());

	ShellOpenFile(m_sTestURL);
}

int CompareLocaleStringNoCase(LPCTSTR psz1, LPCTSTR psz2)
{
	// SDK says: The 'CompareString' function is optimized to run at the highest speed when 'dwCmpFlags' is set to 0 
	// or NORM_IGNORECASE, and 'cchCount1' and 'cchCount2' have the value -1.
	int iResult = CompareString(GetThreadLocale(), NORM_IGNORECASE, psz1, -1, psz2, -1);
	if (iResult == 0)
		return 0;
	return iResult - 2;
}

int CompareLocaleString(LPCTSTR psz1, LPCTSTR psz2)
{
	// SDK says: The 'CompareString' function is optimized to run at the highest speed when 'dwCmpFlags' is set to 0 
	// or NORM_IGNORECASE, and 'cchCount1' and 'cchCount2' have the value -1.
	int iResult = CompareString(GetThreadLocale(), 0, psz1, -1, psz2, -1);
	if (iResult == 0)
		return 0;
	return iResult - 2;
}

int __cdecl CompareCStringPtrLocaleStringNoCase(const void* p1, const void* p2)
{
	const CString* pstr1 = (const CString*)p1;
	const CString* pstr2 = (const CString*)p2;
	return CompareLocaleStringNoCase(*pstr1, *pstr2);
}

int __cdecl CompareCStringPtrLocaleString(const void* p1, const void* p2)
{
	const CString* pstr1 = (const CString*)p1;
	const CString* pstr2 = (const CString*)p2;
	return CompareLocaleString(*pstr1, *pstr2);
}

void Sort(CStringArray& astr, int (__cdecl *pfnCompare)(const void*, const void*))
{
	qsort(astr.GetData(), astr.GetCount(), sizeof(CString*), pfnCompare);
}

int __cdecl CompareCStringPtrPtrLocaleStringNoCase(const void* p1, const void* p2)
{
	const CString* pstr1 = *(const CString**)p1;
	const CString* pstr2 = *(const CString**)p2;
	return CompareLocaleStringNoCase(*pstr1, *pstr2);
}

int __cdecl CompareCStringPtrPtrLocaleString(const void* p1, const void* p2)
{
	const CString* pstr1 = *(const CString**)p1;
	const CString* pstr2 = *(const CString**)p2;
	return CompareLocaleString(*pstr1, *pstr2);
}

void Sort(CSimpleArray<const CString*>& apstr, int (__cdecl *pfnCompare)(const void*, const void*))
{
	qsort(apstr.GetData(), apstr.GetSize(), sizeof(CString*), pfnCompare);
}

void AddAutoStart()
{
#ifndef _DEBUG
	RemAutoStart();
	CString strKeyName;
	strKeyName = _T("eMuleAutoStart");
    TCHAR sExeFilePath[MAX_PATH];
	DWORD dwModPathLen = ::GetModuleFileName(NULL, sExeFilePath, _countof(sExeFilePath));
	if (dwModPathLen == 0 || dwModPathLen == _countof(sExeFilePath))
		return;
	CString sFullExeCommand;
	sFullExeCommand.Format(_T("%s -AutoStart"), sExeFilePath);
	CRegKey mKey;
	mKey.Create(HKEY_CURRENT_USER,
		_T("Software\\Microsoft\\Windows\\CurrentVersion\\Run"),
		REG_NONE,REG_OPTION_NON_VOLATILE,
		KEY_ALL_ACCESS,	NULL,NULL);
	mKey.SetStringValue(strKeyName, sFullExeCommand);
	mKey.Close();
#endif
}

void RemAutoStart()
{
	CString strKeyName;
	strKeyName = _T("eMuleAutoStart");
	CRegKey mKey;
	mKey.Create(HKEY_CURRENT_USER,
		_T("Software\\Microsoft\\Windows\\CurrentVersion\\Run"),
		REG_NONE,REG_OPTION_NON_VOLATILE,
		KEY_ALL_ACCESS,	NULL,NULL);
	mKey.DeleteValue(strKeyName);
	mKey.Close();
}

int FontPointSizeToLogUnits(int nPointSize)
{
	HDC hDC = ::GetDC(HWND_DESKTOP);
	if (hDC)
	{
		POINT pt;
#if 0
		// This is the same math which is performed by "CFont::CreatePointFont",
		// which is flawed because it does not perform any rounding. But without
		// performing the correct rounding one can not get the correct LOGFONT-height
		// for an 8pt font!
		//
		// PointSize	Result
		// -------------------
		// 8*10			10.666 -> 10 (cut down and thus wrong result)
		pt.y = GetDeviceCaps(hDC, LOGPIXELSY) * nPointSize;
		pt.y /= 720;
#else
		// This math accounts for proper rounding and thus we will get the correct results.
		//
		// PointSize	Result
		// -------------------
		// 8*10			10.666 -> 11 (rounded up and thus correct result)
		pt.y = MulDiv(GetDeviceCaps(hDC, LOGPIXELSY), nPointSize, 720);
#endif
		pt.x = 0;
		DPtoLP(hDC, &pt, 1);
		POINT ptOrg = { 0, 0 };
		DPtoLP(hDC, &ptOrg, 1);
		nPointSize = -abs(pt.y - ptOrg.y);
		ReleaseDC(HWND_DESKTOP, hDC);
	}
	return nPointSize;
}

bool CreatePointFontIndirect(CFont &rFont, const LOGFONT *lpLogFont)
{
	LOGFONT logFont = *lpLogFont;
	logFont.lfHeight = FontPointSizeToLogUnits(logFont.lfHeight);
	return rFont.CreateFontIndirect(&logFont) != FALSE;
}

bool CreatePointFont(CFont &rFont, int nPointSize, LPCTSTR lpszFaceName)
{
	LOGFONT logFont = {0};
	logFont.lfCharSet = DEFAULT_CHARSET;
	logFont.lfHeight = nPointSize;
	lstrcpyn(logFont.lfFaceName, lpszFaceName, _countof(logFont.lfFaceName));
	return CreatePointFontIndirect(rFont, &logFont);
}

bool IsUnicodeFile(LPCTSTR pszFilePath)
{
	bool bResult = false;
	FILE* fp = _tfsopen(pszFilePath, _T("rb"), _SH_DENYWR);
	if (fp != NULL)
	{
		WORD wBOM = 0;
		bResult = (fread(&wBOM, sizeof(wBOM), 1, fp) == 1 && wBOM == 0xFEFF);
		fclose(fp);
	}
	return bResult;
}

bool RegularExpressionMatch(CString regexpr, CString teststring) {
	
	CAtlRegExp<> reFN;

	REParseError status = reFN.Parse( regexpr );
	if (REPARSE_ERROR_OK != status)
	{
		// Unexpected error.
		return false;
	}

	CAtlREMatchContext<> mcUrl;
	if (!reFN.Match(
		teststring,
		&mcUrl))
	{
		// Unexpected error.
		return false;
	} else {
		return true;
	}
}

ULONGLONG GetModuleVersion(LPCTSTR pszFilePath)
{
	ULONGLONG ullVersion = 0;
	DWORD dwUnused;
	DWORD dwVerInfSize = GetFileVersionInfoSize(const_cast<LPTSTR>(pszFilePath), &dwUnused);
	if (dwVerInfSize != 0)
	{
		LPBYTE pucVerInf = (LPBYTE)calloc(dwVerInfSize, 1);
		if (pucVerInf)
		{
			if (GetFileVersionInfo(const_cast<LPTSTR>(pszFilePath), 0, dwVerInfSize, pucVerInf))
			{
				VS_FIXEDFILEINFO* pFileInf = NULL;
				UINT uLen = 0;
				if (VerQueryValue(pucVerInf, _T("\\"), (LPVOID*)&pFileInf, &uLen) && pFileInf && uLen)
				{
					ullVersion = MAKEDLLVERULL(HIWORD(pFileInf->dwFileVersionMS), LOWORD(pFileInf->dwFileVersionMS), 
											   HIWORD(pFileInf->dwFileVersionLS), LOWORD(pFileInf->dwFileVersionLS));
				}
			}
			free(pucVerInf);
		}
	}
	return ullVersion;
}

ULONGLONG GetModuleVersion(HMODULE hModule)
{
	TCHAR szFilePath[MAX_PATH];
	DWORD dwModPathLen = GetModuleFileName(hModule, szFilePath, _countof(szFilePath));
	if (dwModPathLen == 0 || dwModPathLen == _countof(szFilePath))
		return 0;
	return GetModuleVersion(szFilePath);
}

int GetPathDriveNumber(CString path)
{
	if (path.GetLength()<3 || path.GetAt(1)!=_T(':') || path.GetAt(2)!=_T('\\'))
		return -1;

	return path.MakeLower().GetAt(0) - 97;
}

UINT64 GetFreeTempSpace(int tempdirindex){
	ASSERT(tempdirindex<thePrefs.tempdir.GetCount() && tempdirindex>=-1);
	if (tempdirindex>=thePrefs.tempdir.GetCount() || tempdirindex<-1)
		return 0;

	if (tempdirindex>=0)
		return GetFreeDiskSpaceX(thePrefs.GetTempDir(tempdirindex));

	bool toadd;
	CArray<int> hist;
	UINT64 sum=0;
	for (int  i=0;i<thePrefs.tempdir.GetCount();i++) {
		int pdn=GetPathDriveNumber(thePrefs.GetTempDir(i));
		toadd=true;
		
		if (pdn>=0)
			for (int i=0;i<hist.GetCount();i++) {
				if (hist.GetAt(i)==pdn) {
					toadd=false;
					break;
				}
			}
		if (!toadd)
			continue;

		sum+=GetFreeDiskSpaceX(thePrefs.GetTempDir(i));
		hist.Add(pdn);
	}

	return sum;
}

bool DoCollectionRegFix(bool checkOnly)
{
	bool bGlobalSet = false;
	CRegKey regkey;
	LONG result;
	TCHAR modbuffer[MAX_PATH];
	DWORD dwModPathLen = ::GetModuleFileName(NULL, modbuffer, _countof(modbuffer));
	if (dwModPathLen == 0 || dwModPathLen == _countof(modbuffer))
		return false;
	CString strCanonFileName = modbuffer;
	strCanonFileName.Replace(_T("%"), _T("%%"));
	CString regbuffer;
	regbuffer.Format(_T("\"%s\" \"%%1\""), strCanonFileName);

	// first check if the registry keys are already set (either by installer in HKLM or by user in HKCU)
	result = regkey.Open(HKEY_CLASSES_ROOT, _T("eMule\\shell\\open\\command"), KEY_READ);
	if (result == ERROR_SUCCESS)
	{
		TCHAR rbuffer[MAX_PATH + 100];
		ULONG maxsize = _countof(rbuffer);
		regkey.QueryStringValue(NULL, rbuffer, &maxsize);
		rbuffer[_countof(rbuffer) - 1] = _T('\0');
		if (maxsize != 0 && _tcsicmp(rbuffer, regbuffer) == 0)
			bGlobalSet = true; // yup, globally we have an entry for this mule
		regkey.Close();
	}

	if (!bGlobalSet)
	{
		// we actually need to change the registry and write an entry for HKCU
			if (checkOnly)
				return true;
		HKEY hkeyCR = thePrefs.GetWindowsVersion() < _WINVER_2K_ ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER;
		if (regkey.Create(hkeyCR, _T("Software\\Classes\\eMule\\shell\\open\\command")) == ERROR_SUCCESS)
		{
			VERIFY( regkey.SetStringValue(NULL, regbuffer) == ERROR_SUCCESS );
				
			VERIFY( regkey.Create(hkeyCR, _T("Software\\Classes\\eMule\\DefaultIcon")) == ERROR_SUCCESS );
			VERIFY( regkey.SetStringValue(NULL, CString(modbuffer) + _T(",1")) == ERROR_SUCCESS );

			VERIFY( regkey.Create(hkeyCR, _T("Software\\Classes\\eMule")) == ERROR_SUCCESS );
			VERIFY( regkey.SetStringValue(NULL, _T("eMule Collection File")) == ERROR_SUCCESS );

			VERIFY( regkey.Open(hkeyCR, _T("Software\\Classes\\eMule\\shell\\open")) == ERROR_SUCCESS );
			regkey.RecurseDeleteKey(_T("ddexec"));
			regkey.RecurseDeleteKey(_T("ddeexec"));

			VERIFY( regkey.Create(hkeyCR, _T("Software\\Classes\\") COLLECTION_FILEEXTENSION) == ERROR_SUCCESS );
			VERIFY( regkey.SetStringValue(NULL, _T("eMule")) == ERROR_SUCCESS );
			VERIFY( regkey.Close() == ERROR_SUCCESS );
		}
		else
			ASSERT(0);
	}
	return false;
}

bool gotostring(CFile &file, const uchar *find, LONGLONG plen)
{
	bool found = false;
	LONGLONG i=0;
	LONGLONG j=0;
	//LONGLONG plen = strlen(find);
	LONGLONG len = file.GetLength() - file.GetPosition();
	uchar temp;

	while (!found && i < len)
	{
		file.Read(&temp,1);
		if (temp == find[j])
			j++;
		else if(temp == find[0])
			j=1;
		else
			j=0;
		if (j==plen)
			return true;
		i++;
	}
	return false;
}

static void swap_byte (uint8* a, uint8* b){
	uint8 bySwap;
	bySwap = *a;
	*a = *b;
	*b = bySwap;
}

RC4_Key_Struct* RC4CreateKey(const uchar* pachKeyData, uint32 nLen, RC4_Key_Struct* key, bool bSkipDiscard){
	uint8 index1;
	uint8 index2;
	uint8* pabyState;

	if (key == NULL)
		key = new RC4_Key_Struct;

	pabyState= &key->abyState[0];
	for (int i = 0; i < 256; i++)
		pabyState[i] = (uint8)i;

	key->byX = 0;
	key->byY = 0;
	index1 = 0;
	index2 = 0;
	for (int i = 0; i < 256; i++){
		index2 = (pachKeyData[index1] + pabyState[i] + index2);
		swap_byte(&pabyState[i], &pabyState[index2]);
		index1 = (uint8)((index1 + 1) % nLen);
	}
	if (!bSkipDiscard)
		RC4Crypt(NULL, NULL, 1024, key);
	return key;
}

void RC4Crypt(const uchar* pachIn, uchar* pachOut, uint32 nLen, RC4_Key_Struct* key){
	ASSERT( key != NULL && nLen > 0 );
	if (key == NULL)
		return;
	
	uint8 byX = key->byX;;
	uint8 byY = key->byY;
	uint8* pabyState = &key->abyState[0];;
	uint8 byXorIndex;

	for (uint32 i = 0; i < nLen; i++)
	{
		byX = (byX + 1);
		byY = (pabyState[byX] + byY);
		swap_byte(&pabyState[byX], &pabyState[byY]);
		byXorIndex = (pabyState[byX] + pabyState[byY]);
		
		if (pachIn != NULL)
			pachOut[i] = pachIn[i] ^ pabyState[byXorIndex];
    }
	key->byX = byX;
	key->byY = byY;
}


struct SFileExts {
	EFileType ftype;
	LPCTSTR label;
	LPCTSTR extlist;
};

static const SFileExts s_fileexts[] =
{
	{ARCHIVE_ZIP,			_T("ZIP"),			_T("|ZIP|JAR|CBZ|") },
	{ARCHIVE_RAR,			_T("RAR"),			_T("|RAR|CBR|") },
	{ARCHIVE_ACE,			_T("ACE"),			_T("|ACE|") },
	{AUDIO_MPEG,			_T("MPEG Audio"),	_T("|MP2|MP3|") },
	{IMAGE_ISO,				_T("ISO/NRG"),		_T("|ISO|NRG|") },
	{VIDEO_MPG,				_T("MPEG Video"),	_T("|MPG|MPEG|") },
	{VIDEO_AVI,				_T("AVI"),			_T("|AVI|DIVX|") },
	{WM,					_T("Microsoft Media Audio/Video"), _T("|ASF|WMV|WMA|") },
	{PIC_JPG,				_T("JPEG"),			_T("|JPG|JPEG|") },
	{PIC_PNG,				_T("PNG"),			_T("|PNG|") },
	{PIC_GIF,				_T("GIF"),			_T("|GIF|") },
	{DOCUMENT_PDF,			_T("PDF"),			_T("|PDF|") },
	{FILETYPE_EXECUTABLE,	_T("WIN/DOS EXE"),	_T("|EXE|COM|DLL|SYS|CPL|FON|OCX|SCR|VBX|") },
	{FILETYPE_UNKNOWN,		_T(""),	 			_T("") }
};

#define HEADERCHECKSIZE 16

const unsigned char FILEHEADER_AVI_ID[]	= { 0x52, 0x49, 0x46, 0x46 };
const unsigned char FILEHEADER_RAR[]	= { 0x52, 0x61, 0x72, 0x21 };
const unsigned char FILEHEADER_ZIP[]	= { 0x50, 0x4b, 0x03, 0x04 };
const unsigned char FILEHEADER_ACE_ID[]	= { 0x2A, 0x2A, 0x41, 0x43, 0x45, 0x2A, 0x2A };
const unsigned char FILEHEADER_MP3_ID[]	= { 0x49, 0x44, 0x33, 0x03 };
const unsigned char FILEHEADER_MP3_ID2[]= { 0xFE, 0xFB };
const unsigned char FILEHEADER_MPG_ID[]	= { 0x00, 0x00, 0x01, 0xba };
const unsigned char FILEHEADER_ISO_ID[]	= { 0x01, 0x43, 0x44, 0x30, 0x30, 0x31 };
const unsigned char FILEHEADER_WM_ID[]	= { 0x30, 0x26, 0xb2, 0x75, 0x8e, 0x66, 0xcf, 0x11, 0xa6, 0xd9, 0x00, 0xaa, 0x00, 0x62, 0xce, 0x6c };
const unsigned char FILEHEADER_PNG_ID[]	= { 0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a };
const unsigned char FILEHEADER_JPG_ID[]	= { 0xff, 0xd8, 0xff };
const unsigned char FILEHEADER_GIF_ID[]	= { 0x47, 0x49, 0x46, 0x38 };
const unsigned char FILEHEADER_PDF_ID[]	= { 0x25, 0x50, 0x44, 0x46 };
const unsigned char FILEHEADER_EXECUTABLE_ID[]={0x4d, 0x5a };

bool GetDRM(LPCTSTR pszFilePath)
{
	int fd = _topen(pszFilePath, O_RDONLY | O_BINARY);
	if (fd != -1)
	{
		BYTE aucBuff[16384];
		int iRead = _read(fd, aucBuff, sizeof aucBuff);
		_close(fd);
		fd = -1;

		if (iRead > sizeof(FILEHEADER_WM_ID) && memcmp(aucBuff, FILEHEADER_WM_ID, sizeof(FILEHEADER_WM_ID)) == 0)
		{
			iRead -= sizeof(FILEHEADER_WM_ID);
			if (iRead > 0)
			{
				static const WCHAR s_wszWrmHdr[] = L"<WRMHEADER";
				if (FindPattern(aucBuff + sizeof(FILEHEADER_WM_ID), iRead, (const BYTE *)s_wszWrmHdr, sizeof(s_wszWrmHdr) - sizeof(s_wszWrmHdr[0])))
					return true;
						}
					}
				}
	return false;
}

EFileType GetFileTypeEx(CShareableFile* kfile, bool checkextention, bool checkfileheader, bool nocached)
{
	if (!nocached && kfile->GetVerifiedFileType() != FILETYPE_UNKNOWN)
		return kfile->GetVerifiedFileType();

	// check file header first
	EFileType res = FILETYPE_UNKNOWN;
	CPartFile* pfile = (CPartFile*)kfile;

	bool test4iso = (    !kfile->IsPartFile()
		              || ((uint64)pfile->GetFileSize() > 0x8000 + HEADERCHECKSIZE && pfile->IsComplete(0x8000, 0x8000 + HEADERCHECKSIZE, true)));
	if (checkfileheader && (!kfile->IsPartFile() || pfile->IsComplete(0, HEADERCHECKSIZE, true) || test4iso))
	{
		unsigned char *headerbuf = headerbuf = (unsigned char *)calloc(HEADERCHECKSIZE, 1);
		if (headerbuf == NULL)
			return FILETYPE_UNKNOWN;

		try {
			CFile inFile;
			if (inFile.Open(kfile->GetFilePath(), CFile::modeRead | CFile::shareDenyNone))
			{
				if (!kfile->IsPartFile() || pfile->IsComplete(0, HEADERCHECKSIZE, true))
				{
					int read = inFile.Read(headerbuf, HEADERCHECKSIZE);
					if (read == HEADERCHECKSIZE)
					{
						if (memcmp(headerbuf, FILEHEADER_ZIP, sizeof(FILEHEADER_ZIP)) == 0)
							res = ARCHIVE_ZIP;
						else if (memcmp(headerbuf, FILEHEADER_RAR, sizeof(FILEHEADER_RAR)) == 0)
							res = ARCHIVE_RAR;
						else if (memcmp(headerbuf + 7, FILEHEADER_ACE_ID, sizeof(FILEHEADER_ACE_ID)) == 0)
							res = ARCHIVE_ACE;
						else if (memcmp(headerbuf, FILEHEADER_WM_ID, sizeof(FILEHEADER_WM_ID)) == 0)
							res = WM;
						else if (   memcmp(headerbuf, FILEHEADER_AVI_ID, sizeof(FILEHEADER_AVI_ID)) == 0 
							     && strncmp((const char *)headerbuf + 8, "AVI", 3) == 0)
							res = VIDEO_AVI;
						else if (   memcmp(headerbuf, FILEHEADER_MP3_ID, sizeof(FILEHEADER_MP3_ID)) == 0
							     || memcmp(headerbuf, FILEHEADER_MP3_ID2, sizeof(FILEHEADER_MP3_ID2)) == 0)
							res = AUDIO_MPEG;
						else if (memcmp(headerbuf, FILEHEADER_MPG_ID, sizeof(FILEHEADER_MPG_ID)) == 0)
							res = VIDEO_MPG;
						else if (memcmp(headerbuf, FILEHEADER_PDF_ID, sizeof(FILEHEADER_PDF_ID)) == 0)
							res = DOCUMENT_PDF;
						else if (memcmp(headerbuf, FILEHEADER_PNG_ID, sizeof(FILEHEADER_PNG_ID)) == 0)
							res = PIC_PNG;
						else if (   memcmp(headerbuf, FILEHEADER_JPG_ID, sizeof(FILEHEADER_JPG_ID)) == 0
							     &&	(headerbuf[3] == 0xe1 || headerbuf[3] == 0xe0))
							res = PIC_JPG;
						else if (   memcmp(headerbuf, FILEHEADER_GIF_ID, sizeof(FILEHEADER_GIF_ID)) == 0
								 &&	headerbuf[5] == 0x61 && (headerbuf[4] == 0x37 || headerbuf[4] == 0x39))
							res = PIC_GIF;
						else if (memcmp(headerbuf, FILEHEADER_EXECUTABLE_ID, sizeof(FILEHEADER_EXECUTABLE_ID)) == 0)
						{
							res = FILETYPE_EXECUTABLE;

							// This could be a self extracting RAR archive. If the ED2K name of the file
							// has the RAR extension we treat this 'EXE' file like an 'unverified' RAR file.
							LPCTSTR pszExt = PathFindExtension(kfile->GetFileName());
							if (pszExt != NULL && _tcsicmp(pszExt, _T(".rar")) == 0)
								res = FILETYPE_UNKNOWN;
						}
						else if ((headerbuf[0] & 0xFF) == 0xFF && (headerbuf[1] & 0xE0) == 0xE0)
							res = AUDIO_MPEG;
					}
				}
				if (res == FILETYPE_UNKNOWN && test4iso)
				{
					inFile.Seek(0x8000, CFile::begin);
					int read = inFile.Read(headerbuf, HEADERCHECKSIZE);
					if (read == HEADERCHECKSIZE)
					{
						if (memcmp(headerbuf, FILEHEADER_ISO_ID, sizeof(FILEHEADER_ISO_ID)) == 0)
							res = IMAGE_ISO;
					}
				}
				inFile.Close();
			}
		} catch(...) {
			ASSERT(0);
		}
		free(headerbuf);
		
		if (res != FILETYPE_UNKNOWN) {
			kfile->SetVerifiedFileType(res);
			return res;
		}
	}

	if (!checkextention)
		return res;

	CString extLC;
	int posD = kfile->GetFileName().ReverseFind(_T('.'));
	if (posD >= 0)
		extLC = kfile->GetFileName().Mid(posD + 1).MakeUpper();
	
	const SFileExts *ext = s_fileexts;
	while (ext->ftype != FILETYPE_UNKNOWN)
	{
		CString testext = ext->extlist;
		if (testext.Find(_T('|') + extLC + _T('|')) != -1)
			return ext->ftype;
		ext++;
	}

	// rar multivolume old naming
	if (   extLC.GetLength() == 3
		&& extLC.GetAt(0) == _T('R')
		&& _istdigit((_TUCHAR)extLC.GetAt(1))
		&& _istdigit((_TUCHAR)extLC.GetAt(2)) )
		return ARCHIVE_RAR;

	return FILETYPE_UNKNOWN;
}

CString GetFileTypeName(EFileType ftype)
{
	const SFileExts *ext = s_fileexts;
	while (ext->ftype != FILETYPE_UNKNOWN)
	{
		if (ftype == ext->ftype)
			return ext->label;
		ext++;
	}
	return _T("?");
}

int IsExtensionTypeOf(EFileType ftype, CString fext)
{
	fext = _T('|') + fext + _T('|');

	const SFileExts *ext = s_fileexts;
	while (ext->ftype != FILETYPE_UNKNOWN)
	{
		CString testext = ext->extlist;
		if (ftype == ext->ftype && testext.Find(fext) != -1)	// type matches acceptable extention
			return 1;

		if (ftype != ext->ftype && testext.Find(fext) != -1)	// not just unknown ext, but from a different type!
			return -1;
		ext++;
	}

	return 0;
}

uint32 LevenshteinDistance(const CString& str1, const CString& str2)
{
	uint32 n1 = str1.GetLength();
	uint32 n2 = str2.GetLength();

	uint32* p = new uint32[n2+1];
	uint32* q = new uint32[n2+1];
	uint32* r;

	p[0] = 0;
	for(uint32 j = 1; j <= n2; ++j)
		p[j] = p[j-1] + 1;

	for(uint32 i = 1; i <= n1; ++i)
	{
		q[0] = p[0] + 1;
		for(uint32 j = 1; j <= n2; ++j )
		{
			uint32 d_del = p[j] + 1;
			uint32 d_ins = q[j-1] + 1;
			uint32 d_sub = p[j-1] + (str1.GetAt(i-1) == str2.GetAt(j-1) ? 0 : 1);
			q[j] = min(min(d_del, d_ins), d_sub);
		}
		r = p;
		p = q;
		q = r;
	}

	uint32 tmp = p[n2];
	delete[] p;
	delete[] q;

	return tmp;
}

// Wrapper for _tmakepath which ensures that the outputbuffer does not exceed MAX_PATH
// using a smaller buffer  without checking the sizes prior calling this function is not safe
// If the resulting path would be bigger than MAX_PATH-1, it will be empty and return false (similar to PathCombine)
bool _tmakepathlimit(TCHAR *path, const TCHAR *drive, const TCHAR *dir, const TCHAR *fname, const TCHAR *ext){
	if (path == NULL){
		ASSERT( false );
		return false;
	}

	uint32 nSize = 64; // the function should actually only add 4 (+1 nullbyte) bytes max extra
	if (drive != NULL)
		nSize += _tcsclen(drive);
	if (dir != NULL)
		nSize += _tcsclen(dir);
	if (fname != NULL)
		nSize += _tcsclen(fname);
	if (ext != NULL)
		nSize += _tcsclen(ext);

	TCHAR* tchBuffer = new TCHAR[nSize];
	_tmakepath(tchBuffer, drive, dir, fname, ext);

	if (_tcslen(tchBuffer) >= MAX_PATH){
		path[0] = _T('\0');
		ASSERT( false );
		delete[] tchBuffer;
		return false;
	}
	else{
		_tcscpy(path, tchBuffer);
		delete[] tchBuffer;
		return true;
	}
}

uint8 GetMyConnectOptions(bool bEncryption, bool bCallback){
	// Connect options Tag
	// 4 Reserved (!)
	// 1 Direct Callback
	// 1 CryptLayer Required
	// 1 CryptLayer Requested
	// 1 CryptLayer Supported
	const uint8 uSupportsCryptLayer	= (thePrefs.IsClientCryptLayerSupported() && bEncryption) ? 1 : 0;
	const uint8 uRequestsCryptLayer	= (thePrefs.IsClientCryptLayerRequested() && bEncryption) ? 1 : 0;
	const uint8 uRequiresCryptLayer	= (thePrefs.IsClientCryptLayerRequired() && bEncryption) ? 1 : 0;
	// direct callback is only possible if connected to kad, tcp firewalled and verified UDP open (for example on a full cone NAT)
	const uint8 uDirectUDPCallback	= (bCallback && theApp.IsFirewalled() && Kademlia::CKademlia::IsRunning() && !Kademlia::CUDPFirewallTester::IsFirewalledUDP(true) && Kademlia::CUDPFirewallTester::IsVerified()) ? 1 : 0;
	
	const uint8 byCryptOptions = (uDirectUDPCallback << 3) | (uRequiresCryptLayer << 2) | (uRequestsCryptLayer << 1) | (uSupportsCryptLayer << 0);
	return byCryptOptions;
}

bool AddIconGrayscaledToImageList(CImageList& rList, HICON hIcon)
{
	// Use to create grayscaled alpha using icons on WinXP and lower
	// Only works with edited CxImage lib, not 6.0 standard
	bool bResult = false;
	ICONINFO iinfo;
	if (GetIconInfo(hIcon, &iinfo))
	{
		CxImage cxGray;
		if (cxGray.CreateFromHBITMAP(iinfo.hbmColor))
		{
			cxGray.GrayScale();
			HBITMAP hGrayBmp = cxGray.MakeBitmap(NULL, true);
			bResult = rList.Add(CBitmap::FromHandle(hGrayBmp), CBitmap::FromHandle(iinfo.hbmMask)) != (-1);
			DeleteObject(hGrayBmp);
		}
		DeleteObject(iinfo.hbmColor);
		DeleteObject(iinfo.hbmMask);
	}
	return bResult;
}