自学教程：C++ wxStrlcpy函数代码示例

// Get Full RFC822 style email addressbool wxGetEmailAddress(wxChar *address, int maxSize){    wxString email = wxGetEmailAddress();    if ( !email )        return false;    wxStrlcpy(address, email.t_str(), maxSize);    return true;}

bool wxTaskBarButtonImpl::InitOrUpdateThumbBarButtons(){    THUMBBUTTON buttons[MAX_BUTTON_COUNT];    HRESULT hr;    for ( size_t i = 0; i < MAX_BUTTON_COUNT; ++i )    {        memset(&buttons[i], 0, sizeof buttons[i]);        buttons[i].iId = i;        buttons[i].dwFlags = THBF_HIDDEN;        buttons[i].dwMask = static_cast<THUMBBUTTONMASK>(THB_FLAGS);    }    for ( size_t i = 0; i < m_thumbBarButtons.size(); ++i )    {        buttons[i].hIcon = GetHiconOf(m_thumbBarButtons[i]->GetIcon());        buttons[i].dwFlags = GetNativeThumbButtonFlags(*m_thumbBarButtons[i]);        buttons[i].dwMask = static_cast<THUMBBUTTONMASK>(THB_ICON | THB_FLAGS);        wxString tooltip = m_thumbBarButtons[i]->GetTooltip();        if ( tooltip.empty() )            continue;        // Truncate the tooltip if its length longer than szTip(THUMBBUTTON)        // allowed length (260).        tooltip.Truncate(260);        wxStrlcpy(buttons[i].szTip, tooltip.t_str(), tooltip.length());        buttons[i].dwMask =            static_cast<THUMBBUTTONMASK>(buttons[i].dwMask | THB_TOOLTIP);    }    if ( !m_hasInitThumbnailToolbar )    {        hr = m_taskbarList->ThumbBarAddButtons(m_parent->GetHWND(),                                               MAX_BUTTON_COUNT,                                               buttons);        if ( FAILED(hr) )        {            wxLogApiError(wxT("ITaskbarList3::ThumbBarAddButtons"), hr);        }        m_hasInitThumbnailToolbar = true;    }    else    {        hr = m_taskbarList->ThumbBarUpdateButtons(m_parent->GetHWND(),                                                  MAX_BUTTON_COUNT,                                                  buttons);        if ( FAILED(hr) )        {            wxLogApiError(wxT("ITaskbarList3::ThumbBarUpdateButtons"), hr);        }    }    return SUCCEEDED(hr);}

// returns %UserName%, $USER or just "user"//bool wxGetUserId(wxChar *buf, int n){    const wxChar *user = wxGetenv(wxT("UserName"));    if (!user)        user = wxGetenv(wxT("USER"));    if (!user)        user = wxT("user");    wxStrlcpy(buf, user, n);    return true;}

// returns %ComputerName%, or $HOSTNAME, or "host"//bool wxGetHostName(wxChar *buf, int n){    const wxChar *host = wxGetenv(wxT("ComputerName"));    if (!host)        host = wxGetenv(wxT("HOSTNAME"));    if (!host)        host = wxT("host");    wxStrlcpy(buf, host, n);    return true;}

bool wxGetUserId(wxChar *buf, int sz){    struct passwd *who;    *buf = wxT('/0');    if ((who = getpwuid(getuid ())) != NULL)    {        wxStrlcpy (buf, wxSafeConvertMB2WX(who->pw_name), sz);        return true;    }    return false;}

void wxFontEnumeratorHelper::DoEnumerate(){    HDC hDC = ::GetDC(NULL);    LOGFONT lf;    lf.lfCharSet = (BYTE)m_charset;    wxStrlcpy(lf.lfFaceName, m_facename.c_str(), WXSIZEOF(lf.lfFaceName));    lf.lfPitchAndFamily = 0;    ::EnumFontFamiliesEx(hDC, &lf, (FONTENUMPROC)wxFontEnumeratorProc,                         (LPARAM)this, 0 /* reserved */) ;    ::ReleaseDC(NULL, hDC);}

bool wxSockAddressImpl::SetPath(const wxString& path){    sockaddr_un * const addr = Get<sockaddr_un>();    if ( !addr )        return false;    const wxScopedCharBuffer buf(path.utf8_str());    if ( strlen(buf) >= UNIX_PATH_MAX )        return false;    wxStrlcpy(addr->sun_path, buf, UNIX_PATH_MAX);    return true;}

// debugger helper: this function can be called from a debugger to show what// the date really isextern const char *wxDumpFont(const wxFont *font){    static char buf[256];    wxString s;    s.Printf(wxS("%s-%d-%s-%.2f-%d"),             font->GetFaceName(),             font->GetNumericWeight(),             font->GetStyle() == wxFONTSTYLE_NORMAL ? "regular" : "italic",             font->GetFractionalPointSize(),             font->GetEncoding());    wxStrlcpy(buf, s.mb_str(), WXSIZEOF(buf));    return buf;}

// Get full hostname (eg. DoDo.BSn-Germany.crg.de)bool wxGetHostName( wxChar* zBuf, int nMaxSize ){    if (!zBuf) return false;#if defined(wxUSE_NET_API) && wxUSE_NET_API    char           zServer[256];    char           zComputer[256];    unsigned long  ulLevel = 0;    unsigned char* zBuffer = NULL;    unsigned long  ulBuffer = 256;    unsigned long* pulTotalAvail = NULL;    NetBios32GetInfo( (const unsigned char*)zServer                     ,(const unsigned char*)zComputer                     ,ulLevel                     ,zBuffer                     ,ulBuffer                     ,pulTotalAvail                    );    strcpy(zBuf, zServer);#else    wxChar*        zSysname;    const wxChar*  zDefaultHost = _T("noname");    if ((zSysname = wxGetenv(_T("SYSTEM_NAME"))) == NULL &&	(zSysname = wxGetenv(_T("HOSTNAME"))) == NULL)    {        ::PrfQueryProfileString( HINI_PROFILE                                ,(PSZ)WX_SECTION                                ,(PSZ)eHOSTNAME                                ,(PSZ)zDefaultHost                                ,(void*)zBuf                                ,(ULONG)nMaxSize - 1                               );        zBuf[nMaxSize] = _T('/0');    }    else    {        wxStrlcpy(zBuf, zSysname, nMaxSize);    }#endif    return *zBuf ? true : false;}

// Operationsbool wxTaskBarIcon::SetIcon(const wxIcon& icon, const wxString& tooltip){    // NB: we have to create the window lazily because of backward compatibility,    //     old applications may create a wxTaskBarIcon instance before wxApp    //     is initialized (as samples/taskbar used to do)    if (!m_win)    {        m_win = new wxTaskBarIconWindow(this);    }    m_icon = icon;    m_strTooltip = tooltip;    NotifyIconData notifyData(GetHwndOf(m_win));    if (icon.IsOk())    {        notifyData.uFlags |= NIF_ICON;        notifyData.hIcon = GetHiconOf(icon);    }    // set NIF_TIP even for an empty tooltip: otherwise it would be impossible    // to remove an existing tooltip using this function    notifyData.uFlags |= NIF_TIP;    if ( !tooltip.empty() )    {        wxStrlcpy(notifyData.szTip, tooltip.t_str(), WXSIZEOF(notifyData.szTip));    }    bool ok = Shell_NotifyIcon(m_iconAdded ? NIM_MODIFY                                            : NIM_ADD, &notifyData) != 0;    if ( !ok )    {        wxLogLastError(wxT("Shell_NotifyIcon(NIM_MODIFY/ADD)"));    }    if ( !m_iconAdded && ok )        m_iconAdded = true;    return ok;}

bool wxTestFontEncoding(const wxNativeEncodingInfo& info){    // try to create such font    LOGFONT lf;    wxZeroMemory(lf);       // all default values    lf.lfCharSet = (BYTE)info.charset;    wxStrlcpy(lf.lfFaceName, info.facename.c_str(), WXSIZEOF(lf.lfFaceName));    HFONT hfont = ::CreateFontIndirect(&lf);    if ( !hfont )    {        // no such font        return false;    }    ::DeleteObject((HGDIOBJ)hfont);    return true;}

bool wxGetUserName(wxChar *buf, int sz){#ifdef HAVE_PW_GECOS    struct passwd *who;    *buf = wxT('/0');    if ((who = getpwuid (getuid ())) != NULL)    {        char *comma = strchr(who->pw_gecos, ',');        if (comma)            *comma = '/0'; // cut off non-name comment fields        wxStrlcpy(buf, wxSafeConvertMB2WX(who->pw_gecos), sz);        return true;    }    return false;#else // !HAVE_PW_GECOS    return wxGetUserId(buf, sz);#endif // HAVE_PW_GECOS/!HAVE_PW_GECOS}

void wxFontEnumeratorHelper::DoEnumerate(){#ifndef __WXMICROWIN__    HDC hDC = ::GetDC(NULL);#ifdef __WXWINCE__    ::EnumFontFamilies(hDC,                       m_facename.empty() ? NULL : m_facename.wx_str(),                       (wxFONTENUMPROC)wxFontEnumeratorProc,                       (LPARAM)this) ;#else // __WIN32__    LOGFONT lf;    lf.lfCharSet = (BYTE)m_charset;    wxStrlcpy(lf.lfFaceName, m_facename.c_str(), WXSIZEOF(lf.lfFaceName));    lf.lfPitchAndFamily = 0;    ::EnumFontFamiliesEx(hDC, &lf, (wxFONTENUMPROC)wxFontEnumeratorProc,                         (LPARAM)this, 0 /* reserved */) ;#endif // Win32/CE    ::ReleaseDC(NULL, hDC);#endif}

// Operationsbool gcTaskBarIcon::SetIcon(const wxIcon& icon, const wxString& tooltip){#ifdef WIN32	m_icon = icon;	m_strTooltip = tooltip;	NotifyIconData notifyData(GetHwndOf(m_win));	if (icon.Ok())	{		notifyData.uFlags |= NIF_ICON;		notifyData.hIcon = GetHiconOf(icon);	}	// set NIF_TIP even for an empty tooltip: otherwise it would be impossible	// to remove an existing tooltip using this function	notifyData.uFlags |= NIF_TIP;	if ( !tooltip.empty() )	{		wxStrlcpy(notifyData.szTip, tooltip.wx_str(), WXSIZEOF(notifyData.szTip));	}	bool ok = wxShellNotifyIcon(m_iconAdded ? NIM_MODIFY											: NIM_ADD, &notifyData) != 0;	if ( !ok )	{		wxLogLastError(wxT("wxShellNotifyIcon(NIM_MODIFY/ADD)"));	}	if ( !m_iconAdded && ok )		m_iconAdded = true;	return ok;#else	return wxTaskBarIcon::SetIcon(icon, tooltip);#endif}

// debugger helper: this function can be called from a debugger to show what// the date really isextern const char *wxDumpFont(const wxFont *font){    static char buf[256];    const wxFontWeight weight = font->GetWeight();    wxString s;    s.Printf(wxS("%s-%s-%s-%d-%d"),             font->GetFaceName(),             weight == wxFONTWEIGHT_NORMAL                ? wxT("normal")                : weight == wxFONTWEIGHT_BOLD                    ? wxT("bold")                    : wxT("light"),             font->GetStyle() == wxFONTSTYLE_NORMAL                ? wxT("regular")                : wxT("italic"),             font->GetPointSize(),             font->GetEncoding());    wxStrlcpy(buf, s.mb_str(), WXSIZEOF(buf));    return buf;}

// Get hostname only (without domain name)bool wxGetHostName(wxChar *buf, int maxSize){#if defined(__WXWINCE__)    // GetComputerName() is not supported but the name seems to be stored in    // this location in the registry, at least for PPC2003 and WM5    wxString hostName;    wxRegKey regKey(wxRegKey::HKLM, wxT("Ident"));    if ( !regKey.HasValue(wxT("Name")) ||            !regKey.QueryValue(wxT("Name"), hostName) )        return false;    wxStrlcpy(buf, hostName.t_str(), maxSize);#else // !__WXWINCE__    DWORD nSize = maxSize;    if ( !::GetComputerName(buf, &nSize) )    {        wxLogLastError(wxT("GetComputerName"));        return false;    }#endif // __WXWINCE__/!__WXWINCE__    return true;}

// get full hostname (with domain name if possible)bool wxGetFullHostName(wxChar *buf, int maxSize){#if wxUSE_DYNLIB_CLASS && wxUSE_SOCKETS    // TODO should use GetComputerNameEx() when available    // we don't want to always link with Winsock DLL as we might not use it at    // all, so load it dynamically here if needed (and don't complain if it is    // missing, we handle this)    wxLogNull noLog;    wxDynamicLibrary dllWinsock(wxT("ws2_32.dll"), wxDL_VERBATIM);    if ( dllWinsock.IsLoaded() )    {        typedef int (PASCAL *WSAStartup_t)(WORD, WSADATA *);        typedef int (PASCAL *gethostname_t)(char *, int);        typedef hostent* (PASCAL *gethostbyname_t)(const char *);        typedef hostent* (PASCAL *gethostbyaddr_t)(const char *, int , int);        typedef int (PASCAL *WSACleanup_t)(void);        #define LOAD_WINSOCK_FUNC(func)                                       /            func ## _t                                                        /                pfn ## func = (func ## _t)dllWinsock.GetSymbol(wxT(#func))        LOAD_WINSOCK_FUNC(WSAStartup);        WSADATA wsa;        if ( pfnWSAStartup && pfnWSAStartup(MAKEWORD(1, 1), &wsa) == 0 )        {            LOAD_WINSOCK_FUNC(gethostname);            wxString host;            if ( pfngethostname )            {                char bufA[256];                if ( pfngethostname(bufA, WXSIZEOF(bufA)) == 0 )                {                    // gethostname() won't usually include the DNS domain name,                    // for this we need to work a bit more                    if ( !strchr(bufA, '.') )                    {                        LOAD_WINSOCK_FUNC(gethostbyname);                        struct hostent *pHostEnt = pfngethostbyname                                                    ? pfngethostbyname(bufA)                                                    : NULL;                        if ( pHostEnt )                        {                            // Windows will use DNS internally now                            LOAD_WINSOCK_FUNC(gethostbyaddr);                            pHostEnt = pfngethostbyaddr                                        ? pfngethostbyaddr(pHostEnt->h_addr,                                                           4, AF_INET)                                        : NULL;                        }                        if ( pHostEnt )                        {                            host = pHostEnt->h_name;                        }                    }                }            }            LOAD_WINSOCK_FUNC(WSACleanup);            if ( pfnWSACleanup )                pfnWSACleanup();            if ( !host.empty() )            {                wxStrlcpy(buf, host.c_str(), maxSize);                return true;            }        }    }#endif // wxUSE_DYNLIB_CLASS && wxUSE_SOCKETS    return wxGetHostName(buf, maxSize);}

bool wxWindowsPrintNativeData::TransferFrom( const wxPrintData &data ){    WinPrinter printer;    LPTSTR szPrinterName = wxMSW_CONV_LPTSTR(data.GetPrinterName());    if (!m_devMode)        InitializeDevMode(data.GetPrinterName(), &printer);    HGLOBAL hDevMode = static_cast<HGLOBAL>(m_devMode);    if ( hDevMode )    {        GlobalPtrLock lockDevMode(hDevMode);        DEVMODE * const devMode = static_cast<DEVMODE *>(lockDevMode.Get());        //// Orientation        devMode->dmOrientation = (short)data.GetOrientation();        //// Collation        devMode->dmCollate = (data.GetCollate() ? DMCOLLATE_TRUE : DMCOLLATE_FALSE);        devMode->dmFields |= DM_COLLATE;        //// Number of copies        devMode->dmCopies = (short)data.GetNoCopies();        devMode->dmFields |= DM_COPIES;        //// Printer name        wxString name = data.GetPrinterName();        if (!name.empty())        {            // NB: the cast is needed in the ANSI build, strangely enough            //     dmDeviceName is BYTE[] and not char[] there            wxStrlcpy(reinterpret_cast<wxChar *>(devMode->dmDeviceName),                      name.t_str(),                      WXSIZEOF(devMode->dmDeviceName));        }        //// Colour        if (data.GetColour())            devMode->dmColor = DMCOLOR_COLOR;        else            devMode->dmColor = DMCOLOR_MONOCHROME;        devMode->dmFields |= DM_COLOR;        //// Paper size        // Paper id has priority over paper size. If id is specified, then size        // is ignored (as it can be filled in even for standard paper sizes)        wxPrintPaperType *paperType = NULL;        const wxPaperSize paperId = data.GetPaperId();        if ( paperId != wxPAPER_NONE && wxThePrintPaperDatabase )        {            paperType = wxThePrintPaperDatabase->FindPaperType(paperId);        }        if ( paperType )        {            devMode->dmPaperSize = (short)paperType->GetPlatformId();            devMode->dmFields |= DM_PAPERSIZE;        }        else // custom (or no) paper size        {            const wxSize paperSize = data.GetPaperSize();            if ( paperSize != wxDefaultSize )            {                // Fall back on specifying the paper size explicitly                if(m_customWindowsPaperId != 0)                    devMode->dmPaperSize = m_customWindowsPaperId;                else                    devMode->dmPaperSize = DMPAPER_USER;                devMode->dmPaperWidth = (short)(paperSize.x * 10);                devMode->dmPaperLength = (short)(paperSize.y * 10);                devMode->dmFields |= DM_PAPERWIDTH;                devMode->dmFields |= DM_PAPERLENGTH;                // A printer driver may or may not also want DM_PAPERSIZE to                // be specified. Also, if the printer driver doesn't implement the DMPAPER_USER                // size, then this won't work, and even if you found the correct id by                // enumerating the driver's paper sizes, it probably won't change the actual size,                // it'll just select that custom paper type with its own current setting.                // For a discussion on this, see http://www.codeguru.com/forum/showthread.php?threadid=458617                // Although m_customWindowsPaperId is intended to work around this, it's                // unclear how it can help you set the custom paper size programmatically.            }            //else: neither paper type nor size specified, don't fill DEVMODE            //      at all so that the system defaults are used        }        //// Duplex        short duplex;        switch (data.GetDuplex())        {            case wxDUPLEX_HORIZONTAL:                duplex = DMDUP_HORIZONTAL;                break;            case wxDUPLEX_VERTICAL:                duplex = DMDUP_VERTICAL;                break;//.........这里部分代码省略.........

/* static */void wxCrashReport::SetFileName(const wxString& filename){    wxStrlcpy(gs_reportFilename, filename.wx_str(), WXSIZEOF(gs_reportFilename));}

// Get user name e.g. Julian Smartbool wxGetUserName(wxChar *buf, int maxSize){    wxCHECK_MSG( buf && ( maxSize > 0 ), false,                    wxT("empty buffer in wxGetUserName") );#if defined(__WXWINCE__) && wxUSE_REGKEY    wxLogNull noLog;    wxRegKey key(wxRegKey::HKCU, wxT("ControlPanel//Owner"));    if(!key.Open(wxRegKey::Read))        return false;    wxString name;    if(!key.QueryValue(wxT("Owner"),name))        return false;    wxStrlcpy(buf, name.c_str(), maxSize);    return true;#elif defined(USE_NET_API)    CHAR szUserName[256];    if ( !wxGetUserId(szUserName, WXSIZEOF(szUserName)) )        return false;    // TODO how to get the domain name?    CHAR *szDomain = "";    // the code is based on the MSDN example (also see KB article Q119670)    WCHAR wszUserName[256];          // Unicode user name    WCHAR wszDomain[256];    LPBYTE ComputerName;    USER_INFO_2 *ui2;         // User structure    // Convert ANSI user name and domain to Unicode    MultiByteToWideChar( CP_ACP, 0, szUserName, strlen(szUserName)+1,            wszUserName, WXSIZEOF(wszUserName) );    MultiByteToWideChar( CP_ACP, 0, szDomain, strlen(szDomain)+1,            wszDomain, WXSIZEOF(wszDomain) );    // Get the computer name of a DC for the domain.    if ( NetGetDCName( NULL, wszDomain, &ComputerName ) != NERR_Success )    {        wxLogError(wxT("Cannot find domain controller"));        goto error;    }    // Look up the user on the DC    NET_API_STATUS status = NetUserGetInfo( (LPWSTR)ComputerName,            (LPWSTR)&wszUserName,            2, // level - we want USER_INFO_2            (LPBYTE *) &ui2 );    switch ( status )    {        case NERR_Success:            // ok            break;        case NERR_InvalidComputer:            wxLogError(wxT("Invalid domain controller name."));            goto error;        case NERR_UserNotFound:            wxLogError(wxT("Invalid user name '%s'."), szUserName);            goto error;        default:            wxLogSysError(wxT("Can't get information about user"));            goto error;    }    // Convert the Unicode full name to ANSI    WideCharToMultiByte( CP_ACP, 0, ui2->usri2_full_name, -1,            buf, maxSize, NULL, NULL );    return true;error:    wxLogError(wxT("Couldn't look up full user name."));    return false;#else  // !USE_NET_API    // Could use NIS, MS-Mail or other site specific programs    // Use wxWidgets configuration data    bool ok = GetProfileString(WX_SECTION, eUSERNAME, wxEmptyString, buf, maxSize - 1) != 0;    if ( !ok )    {        ok = wxGetUserId(buf, maxSize);    }    if ( !ok )    {        wxStrlcpy(buf, wxT("Unknown User"), maxSize);    }    return true;#endif // Win32/16}

bool gcTaskBarIcon::ShowBalloon(const wxString& title, const wxString& text, unsigned msec, int flags){#if defined(WIN32)	wxCHECK_MSG( m_iconAdded, false,					_T("can't be used before the icon is created") );	const HWND hwnd = GetHwndOf(m_win);	// we need to enable version 5.0 behaviour to receive notifications about	// the balloon disappearance	NotifyIconData notifyData(hwnd);	notifyData.uFlags = 0;	notifyData.uVersion = 3 /* NOTIFYICON_VERSION for Windows XP */;	if ( !wxShellNotifyIcon(NIM_SETVERSION, &notifyData) )	{		wxLogLastError(wxT("wxShellNotifyIcon(NIM_SETVERSION)"));	}	// do show the balloon now	notifyData = NotifyIconData(hwnd);	notifyData.uFlags |= NIF_INFO;	notifyData.uTimeout = msec;	wxStrlcpy(notifyData.szInfo, text.wx_str(), WXSIZEOF(notifyData.szInfo));	wxStrlcpy(notifyData.szInfoTitle, title.wx_str(),				WXSIZEOF(notifyData.szInfoTitle));	if ( flags & wxICON_INFORMATION )		notifyData.dwInfoFlags |= NIIF_INFO;	else if ( flags & wxICON_WARNING )		notifyData.dwInfoFlags |= NIIF_WARNING;	else if ( flags & wxICON_ERROR )		notifyData.dwInfoFlags |= NIIF_ERROR;	bool ok = wxShellNotifyIcon(NIM_MODIFY, &notifyData) != 0;	if ( !ok )	{		wxLogLastError(wxT("wxShellNotifyIcon(NIM_MODIFY)"));	}	return ok;#elif defined(NIX)	const char* icon = NULL;		if ( flags & wxICON_INFORMATION )		icon = "dialog-information";	else if ( flags & wxICON_WARNING )		icon = "dialog-warning";	else if ( flags & wxICON_ERROR )		icon = "dialog-error";		NotifyNotification* notification =		notify_notification_new(			title.c_str(),			text.c_str(),			icon);		notify_notification_show(notification, NULL);		return true;#else	return false;#endif}

// get error message from systemconst wxChar *wxSysErrorMsg(unsigned long nErrCode){    if ( nErrCode == 0 )        nErrCode = wxSysErrorCode();#if defined(__WXMSW__) && !defined(__WXMICROWIN__)    static wxChar s_szBuf[1024];    // get error message from system    LPVOID lpMsgBuf;    if ( ::FormatMessage         (            FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,            NULL,            nErrCode,            MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),            (LPTSTR)&lpMsgBuf,            0,            NULL         ) == 0 )    {        // if this happens, something is seriously wrong, so don't use _() here        // for safety        wxSprintf(s_szBuf, wxS("unknown error %lx"), nErrCode);        return s_szBuf;    }    // copy it to our buffer and free memory    // Crashes on SmartPhone (FIXME)#if !defined(__SMARTPHONE__) /* of WinCE */    if( lpMsgBuf != 0 )    {        wxStrlcpy(s_szBuf, (const wxChar *)lpMsgBuf, WXSIZEOF(s_szBuf));        LocalFree(lpMsgBuf);        // returned string is capitalized and ended with '/r/n' - bad        s_szBuf[0] = (wxChar)wxTolower(s_szBuf[0]);        size_t len = wxStrlen(s_szBuf);        if ( len > 0 ) {            // truncate string            if ( s_szBuf[len - 2] == wxS('/r') )                s_szBuf[len - 2] = wxS('/0');        }    }    else#endif // !__SMARTPHONE__    {        s_szBuf[0] = wxS('/0');    }    return s_szBuf;#else // !__WXMSW__    #if wxUSE_UNICODE        static wchar_t s_wzBuf[1024];        wxConvCurrent->MB2WC(s_wzBuf, strerror((int)nErrCode),                             WXSIZEOF(s_wzBuf) - 1);        return s_wzBuf;    #else        return strerror((int)nErrCode);    #endif#endif  // __WXMSW__/!__WXMSW__}

void wxOS2SelectMatchingFontByName(  PFATTRS                           pFattrs, PFACENAMEDESC                     pFaceName, PFONTMETRICS                      pFM, int                               nNumFonts, const wxFont*                     pFont){    int                             i;    int                             nPointSize;    int                             nIs;    int                             nMinDiff0;    int                             anDiff[16];    int                             anMinDiff[16];    int                             nIndex = 0;    wxChar                          zFontFaceName[FACESIZE];    wxString                        sFaceName;    USHORT                          usWeightClass;    int                             fsSelection = 0;    nMinDiff0 = 0xf000;    for(i = 0;i < 16; i++)        anMinDiff[i] = nMinDiff0;    switch (pFont->GetFamily())    {        case wxSCRIPT:            sFaceName = wxT("Tms Rmn");            break;        case wxDECORATIVE:            sFaceName = wxT("WarpSans");            break;        case wxROMAN:            sFaceName = wxT("Tms Rmn");            break;        case wxTELETYPE:            sFaceName = wxT("Courier") ;            break;        case wxMODERN:            sFaceName = wxT("System VIO") ;            break;        case wxSWISS:            sFaceName = wxT("Helv") ;            break;        case wxDEFAULT:        default:            sFaceName = wxT("System VIO") ;    }    switch (pFont->GetWeight())    {        default:            wxFAIL_MSG(wxT("unknown font weight"));            // fall through            usWeightClass = FWEIGHT_DONT_CARE;            break;        case wxNORMAL:            usWeightClass = FWEIGHT_NORMAL;            break;        case wxLIGHT:            usWeightClass = FWEIGHT_LIGHT;            break;        case wxBOLD:            usWeightClass = FWEIGHT_BOLD;            break;         case wxFONTWEIGHT_MAX:            usWeightClass = FWEIGHT_ULTRA_BOLD;            break;    }    pFaceName->usWeightClass = usWeightClass;    switch (pFont->GetStyle())    {        case wxITALIC:        case wxSLANT:            fsSelection = FM_SEL_ITALIC;            pFaceName->flOptions = FTYPE_ITALIC;            break;        default:            wxFAIL_MSG(wxT("unknown font slant"));            // fall through        case wxNORMAL:            fsSelection  = 0;            break;    }    wxStrlcpy(zFontFaceName, sFaceName.c_str(), WXSIZEOF(zFontFaceName));    nPointSize = pFont->GetPointSize();//.........这里部分代码省略.........