C++ GetWindowsDirectory函数代码示例

void noise_get_heavy(void (*func) (void *, int))
{
    HANDLE srch;
    WIN32_FIND_DATA finddata;
    DWORD pid;
    char winpath[MAX_PATH + 3];

    GetWindowsDirectory(winpath, sizeof(winpath));
    strcat(winpath, "\\*");
    srch = FindFirstFile(winpath, &finddata);
    if (srch != INVALID_HANDLE_VALUE) {
	do {
	    func(&finddata, sizeof(finddata));
	} while (FindNextFile(srch, &finddata));
	FindClose(srch);
    }

    pid = GetCurrentProcessId();
    func(&pid, sizeof(pid));

    read_random_seed(func);
    /* Update the seed immediately, in case another instance uses it. */
    random_save_seed();
}

//////////////////
// Set "hand" cursor to cue user that this is a link. If app has not set
// g_hCursorLink, then try to get the cursor from winhlp32.exe,
// resource 106, which is a pointing finger. This is a bit of a kludge,
// but it works.
//
BOOL CStaticLink::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)
{
	if (g_hCursorLink == NULL) {
		static BOOL bTriedOnce = FALSE;
		if (!bTriedOnce) {
         CString windir;
         GetWindowsDirectory(windir.GetBuffer(MAX_PATH), MAX_PATH);
         windir.ReleaseBuffer();
         windir += _T("\\winhlp32.exe");
         HMODULE hModule = LoadLibrary(windir);
			if (hModule) {
				g_hCursorLink =
					CopyCursor(::LoadCursor(hModule, MAKEINTRESOURCE(106)));
			}
			FreeLibrary(hModule);
			bTriedOnce = TRUE;
		}
	}
	if (g_hCursorLink) {
		::SetCursor(g_hCursorLink);
		return TRUE;
	}
	return FALSE;
}

void noise_get_heavy(void (*func) (void *, int)) {
    HANDLE srch;
    HANDLE seedf;
    WIN32_FIND_DATA finddata;
    char winpath[MAX_PATH+3];

    GetWindowsDirectory(winpath, sizeof(winpath));
    strcat(winpath, "\\*");
    srch = FindFirstFile(winpath, &finddata);
    if (srch != INVALID_HANDLE_VALUE) {
	do {
	    func(&finddata, sizeof(finddata));
	} while (FindNextFile(srch, &finddata));
	FindClose(srch);
    }

    if (!seedpath[0])
	get_seedpath();

    seedf = CreateFile(seedpath, GENERIC_READ,
		       FILE_SHARE_READ | FILE_SHARE_WRITE,
		       NULL, OPEN_EXISTING, 0, NULL);

    if (seedf != INVALID_HANDLE_VALUE) {
	while (1) {
	    char buf[1024];
	    DWORD len;

	    if (ReadFile(seedf, buf, sizeof(buf), &len, NULL) && len)
		func(buf, len);
	    else
		break;
	}
	CloseHandle(seedf);
    }
}

/***************************************************************************

   Function:   FixFilePath

   Purpose:    Adds the correct path string to a file name according 
               to given file location 

   Input:      Original file name
               File location (Windows dir, System dir, Current dir or none)

   Output:     TRUE only if successful

   Remarks:    Trashes original file name

****************************************************************************/
BOOL CDLLVersion::FixFilePath (char * szFileName, int FileLoc)
{
    char    szPathStr [_MAX_PATH];      // Holds path prefix
   
    switch (FileLoc) 
    {
        case WIN_DIR:
            // Get the name of the windows directory
            if (GetWindowsDirectory (szPathStr, _MAX_PATH) ==  0)  
                return FALSE;   // Cannot get windows directory
            break;

        case SYS_DIR:
            // Get the name of the windows SYSTEM directory
            if (GetSystemDirectory (szPathStr, _MAX_PATH) ==  0)  
                return FALSE;   // Cannot get system directory
            break;

        case CUR_DIR:
            // Get the name of the current directory
            if (GetCurrentDirectory (_MAX_PATH, szPathStr) ==  0)  
                return FALSE;   // Cannot get current directory
            break;

        case NO_DIR:
            lstrcpy (szPathStr,"");
            break;

        default:
            return FALSE;
    }
    lstrcat (szPathStr, _T("\\"));
    lstrcat (szPathStr, szFileName);
    lstrcpy (szFileName, szPathStr);
    return TRUE;
}            

int dha_uninstall(void)
{
	SC_HANDLE hSCManager = NULL;
	SC_HANDLE hService = NULL;
	char szPath[MAX_PATH];
	int result = 0;

	hSCManager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
	hService = OpenService(hSCManager, DRV_NAME, SERVICE_ALL_ACCESS);

	dha_stop();

	result = DeleteService(hService);
	if(!result) print_last_error("Error while deleting service");

	CloseServiceHandle(hService);
	CloseServiceHandle(hSCManager);

	GetWindowsDirectory(szPath, MAX_PATH);
	strcpy(szPath + strlen(szPath), "\\system32\\drivers\\" DRV_FILENAME);
	DeleteFile(szPath);

	return 0;
}

///////////////////////////////////////////////////////////////////////////////
// SetDefaultCursor
void CXHyperLink::SetDefaultCursor()
{
	if (m_hLinkCursor == NULL)				// No cursor handle - try to load one
	{
		// First try to load the Win98 / Windows 2000 hand cursor

		TRACE(_T("loading from IDC_HAND\n"));
		m_hLinkCursor = AfxGetApp()->LoadStandardCursor(IDC_HAND);

		if (m_hLinkCursor == NULL)			// Still no cursor handle - 
											// load the WinHelp hand cursor
		{
			// The following appeared in Paul DiLascia's Jan 1998 MSJ articles.
			// It loads a "hand" cursor from the winhlp32.exe module.

			TRACE(_T("loading from winhlp32\n"));

			// Get the windows directory
			CString strWndDir;
			GetWindowsDirectory(strWndDir.GetBuffer(MAX_PATH), MAX_PATH);
			strWndDir.ReleaseBuffer();

			strWndDir += _T("\\winhlp32.exe");

			// This retrieves cursor #106 from winhlp32.exe, which is a hand pointer
			HMODULE hModule = LoadLibrary(strWndDir);
			if (hModule) 
			{
				HCURSOR hHandCursor = ::LoadCursor(hModule, MAKEINTRESOURCE(106));
				if (hHandCursor)
					m_hLinkCursor = CopyCursor(hHandCursor);
				FreeLibrary(hModule);
			}
		}
	}
}

static void
get_home(void)
{
    int len;
    char tmpstr[MAX_PATH+1];
    char* homedrive;
    char* homepath;

    homedrive = get_env("HOMEDRIVE");
    homepath = get_env("HOMEPATH");
    if (!homedrive || !homepath) {
	if (len = GetWindowsDirectory(tmpstr,MAX_PATH)) {
	    home = emalloc(len+1);
	    strcpy(home,tmpstr);
	} else
	    error("HOMEDRIVE or HOMEPATH is not set and GetWindowsDir failed");
    } else {
	home = emalloc(strlen(homedrive)+strlen(homepath)+1);
	strcpy(home, homedrive);
	strcat(home, homepath);
    }
    free_env_val(homedrive);
    free_env_val(homepath);
}

int php_init_config(char *php_ini_path_override)
{
	char *env_location, *php_ini_search_path;
	int safe_mode_state;
	char *open_basedir;
	int free_ini_search_path=0;
	zend_file_handle fh;
	PLS_FETCH();

	if (zend_hash_init(&configuration_hash, 0, NULL, (dtor_func_t) pvalue_config_destructor, 1)==FAILURE) {
		return FAILURE;
	}

	zend_llist_init(&extension_lists.engine, sizeof(zval), (llist_dtor_func_t) free_estring, 1);
	zend_llist_init(&extension_lists.functions, sizeof(zval), (llist_dtor_func_t)  ZVAL_DESTRUCTOR, 1);
	
	safe_mode_state = PG(safe_mode);
	open_basedir = PG(open_basedir);

	env_location = getenv("PHPRC");
	if (!env_location) {
		env_location="";
	}
	if (php_ini_path_override) {
		php_ini_search_path = php_ini_path_override;
		free_ini_search_path = 0;
	} else {
		char *default_location;
		int free_default_location;

#ifdef PHP_WIN32
		default_location = (char *) emalloc(512);
	
		if (!GetWindowsDirectory(default_location,255)) {
			default_location[0]=0;
		}
		free_default_location=1;
#else
		default_location = PHP_CONFIG_FILE_PATH;
		free_default_location=0;
#endif
		php_ini_search_path = (char *) emalloc(sizeof(".")+strlen(env_location)+strlen(default_location)+2+1);
		free_ini_search_path = 1;
		if(env_location && env_location[0]) {
			sprintf(php_ini_search_path, ".%c%s%c%s", ZEND_PATHS_SEPARATOR, env_location, ZEND_PATHS_SEPARATOR, default_location);
		} else {
			sprintf(php_ini_search_path, ".%c%s", ZEND_PATHS_SEPARATOR, default_location);
		}
		if (free_default_location) {
			efree(default_location);
		}
	}

	PG(safe_mode) = 0;
	PG(open_basedir) = NULL;
	
	fh.handle.fp = php_fopen_with_path("php.ini", "r", php_ini_search_path, &php_ini_opened_path);
	if (free_ini_search_path) {
		efree(php_ini_search_path);
	}
	PG(safe_mode) = safe_mode_state;
	PG(open_basedir) = open_basedir;

	if (!fh.handle.fp) {
		return SUCCESS;  /* having no configuration file is ok */
	}
	fh.type = ZEND_HANDLE_FP;
	fh.filename = php_ini_opened_path;

	zend_parse_ini_file(&fh, 1, php_config_ini_parser_cb, &extension_lists);
	
	if (php_ini_opened_path) {
		zval tmp;
		
		tmp.value.str.len = strlen(php_ini_opened_path);
		tmp.value.str.val = zend_strndup(php_ini_opened_path, tmp.value.str.len);
		tmp.type = IS_STRING;
		zend_hash_update(&configuration_hash, "cfg_file_path", sizeof("cfg_file_path"),(void *) &tmp,sizeof(zval), NULL);
		persist_alloc(php_ini_opened_path);
	}
	
	return SUCCESS;
}

LPCWSTR GetComspecFromEnvVar(wchar_t* pszComspec, DWORD cchMax, ComSpecBits Bits/* = csb_SameOS*/)
{
	if (!pszComspec || (cchMax < MAX_PATH))
	{
		_ASSERTE(pszComspec && (cchMax >= MAX_PATH));
		return NULL;
	}

	*pszComspec = 0;
	BOOL bWin64 = IsWindows64();

	if (!((Bits == csb_x32) || (Bits == csb_x64)))
	{
		if (GetEnvironmentVariable(L"ComSpec", pszComspec, cchMax))
		{
			// Не должен быть (даже случайно) ConEmuC.exe
			const wchar_t* pszName = PointToName(pszComspec);
			if (!pszName || !lstrcmpi(pszName, L"ConEmuC.exe") || !lstrcmpi(pszName, L"ConEmuC64.exe")
				|| !FileExists(pszComspec)) // ну и существовать должен
			{
				pszComspec[0] = 0;
			}
		}
	}

	// Если не удалось определить через переменную окружения - пробуем обычный "cmd.exe" из System32
	if (pszComspec[0] == 0)
	{
		int n = GetWindowsDirectory(pszComspec, cchMax - 20);
		if (n > 0 && (((DWORD)n) < (cchMax - 20)))
		{
			// Добавить \System32\cmd.exe

			// Warning! 'c:\Windows\SysNative\cmd.exe' не прокатит, т.к. доступен
			// только для 32битных приложений. А нам нужно в общем виде.
			// Если из 32битного нужно запустить 64битный cmd.exe - нужно выключать редиректор.

			if (!bWin64 || (Bits != csb_x32))
			{
				_wcscat_c(pszComspec, cchMax, (pszComspec[n-1] == L'\\') ? L"System32\\cmd.exe" : L"\\System32\\cmd.exe");
			}
			else
			{
				_wcscat_c(pszComspec, cchMax, (pszComspec[n-1] == L'\\') ? L"SysWOW64\\cmd.exe" : L"\\SysWOW64\\cmd.exe");
			}
		}
	}

	if (pszComspec[0] && !FileExists(pszComspec))
	{
		_ASSERTE("Comspec not found! File not exists!");
		pszComspec[0] = 0;
	}

	// Last chance
	if (pszComspec[0] == 0)
	{
		_ASSERTE(pszComspec[0] != 0); // Уже должен был быть определен
		//lstrcpyn(pszComspec, L"cmd.exe", cchMax);
		wchar_t *psFilePart;
		DWORD n = SearchPathW(NULL, L"cmd.exe", NULL, cchMax, pszComspec, &psFilePart);
		if (!n || (n >= cchMax))
			_wcscpy_c(pszComspec, cchMax, L"cmd.exe");
	}

	return pszComspec;
}

CThirdPage::CThirdPage()
    : CPropertyPage(CThirdPage::IDD),
      m_manufacturerSelected( NULL ),
      m_modelSelected( NULL ),
      m_genericPostscript( NULL ),
      m_genericPCL( NULL ),
      m_initialized(false),
      m_printerImage( NULL )
{
    static const int	bufferSize	= 32768;
    TCHAR				windowsDirectory[bufferSize];
    CString				header;
    WIN32_FIND_DATA		findFileData;
    HANDLE				findHandle;
    CString				prnFiles;
    CString				ntPrint;
    OSStatus			err;
    BOOL				ok;

    m_psp.dwFlags &= ~(PSP_HASHELP);
    m_psp.dwFlags |= PSP_DEFAULT|PSP_USEHEADERTITLE|PSP_USEHEADERSUBTITLE;

    m_psp.pszHeaderTitle = MAKEINTRESOURCE(IDS_INSTALL_TITLE);
    m_psp.pszHeaderSubTitle = MAKEINTRESOURCE(IDS_INSTALL_SUBTITLE);

    //
    // load printers from ntprint.inf
    //
    ok = GetWindowsDirectory( windowsDirectory, bufferSize );
    err = translate_errno( ok, errno_compat(), kUnknownErr );
    require_noerr( err, exit );

    //
    // <rdar://problem/4826126>
    //
    // If there are no *prn.inf files, we'll assume that the information
    // is in ntprint.inf
    //
    prnFiles.Format( L"%s\\%s", windowsDirectory, kVistaPrintFiles );
    findHandle = FindFirstFile( prnFiles, &findFileData );

    if ( findHandle != INVALID_HANDLE_VALUE )
    {
        CString absolute;

        absolute.Format( L"%s\\inf\\%s", windowsDirectory, findFileData.cFileName );
        err = LoadPrintDriverDefsFromFile( m_manufacturers, absolute, false );
        require_noerr( err, exit );

        while ( FindNextFile( findHandle, &findFileData ) )
        {
            absolute.Format( L"%s\\inf\\%s", windowsDirectory, findFileData.cFileName );
            err = LoadPrintDriverDefsFromFile( m_manufacturers, absolute, false );
            require_noerr( err, exit );
        }

        FindClose( findHandle );
    }
    else
    {
        ntPrint.Format(L"%s\\%s", windowsDirectory, kNTPrintFile);
        err = LoadPrintDriverDefsFromFile( m_manufacturers, ntPrint, false );
        require_noerr(err, exit);
    }

    //
    // load printer drivers that have been installed on this machine
    //
    err = LoadPrintDriverDefs( m_manufacturers );
    require_noerr(err, exit);

    //
    // load our own special generic printer defs
    //
    err = LoadGenericPrintDriverDefs( m_manufacturers );
    require_noerr( err, exit );

exit:

    return;
}

//取得系統環境
void PH_GetSysFolerInfo()
{
	GetSystemDirectory(SystemDirectory,MAX_PATHa);
	GetWindowsDirectory(WindowDirectory,MAX_PATHa);
	printf("系統目錄    : %s\nWIN目錄     : %s\n",SystemDirectory,WindowDirectory);
}

static Common::String getDefaultConfigFileName() {
	char configFile[MAXPATHLEN];
#if defined (WIN32) && !defined(_WIN32_WCE) && !defined(__SYMBIAN32__)
	OSVERSIONINFO win32OsVersion;
	ZeroMemory(&win32OsVersion, sizeof(OSVERSIONINFO));
	win32OsVersion.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
	GetVersionEx(&win32OsVersion);
	// Check for non-9X version of Windows.
	if (win32OsVersion.dwPlatformId != VER_PLATFORM_WIN32_WINDOWS) {
		// Use the Application Data directory of the user profile.
		if (win32OsVersion.dwMajorVersion >= 5) {
			if (!GetEnvironmentVariable("APPDATA", configFile, sizeof(configFile)))
				error("Unable to access application data directory");
		} else {
			if (!GetEnvironmentVariable("USERPROFILE", configFile, sizeof(configFile)))
				error("Unable to access user profile directory");

			strcat(configFile, "\\Application Data");
			CreateDirectory(configFile, NULL);
		}

		strcat(configFile, "\\ScummVM");
		CreateDirectory(configFile, NULL);
		strcat(configFile, "\\" DEFAULT_CONFIG_FILE);

		FILE *tmp = NULL;
		if ((tmp = fopen(configFile, "r")) == NULL) {
			// Check windows directory
			char oldConfigFile[MAXPATHLEN];
			GetWindowsDirectory(oldConfigFile, MAXPATHLEN);
			strcat(oldConfigFile, "\\" DEFAULT_CONFIG_FILE);
			if ((tmp = fopen(oldConfigFile, "r"))) {
				strcpy(configFile, oldConfigFile);

				fclose(tmp);
			}
		} else {
			fclose(tmp);
		}
	} else {
		// Check windows directory
		GetWindowsDirectory(configFile, MAXPATHLEN);
		strcat(configFile, "\\" DEFAULT_CONFIG_FILE);
	}
#elif defined(UNIX)
	// On UNIX type systems, by default we store the config file inside
	// to the HOME directory of the user.
	//
	// GP2X is Linux based but Home dir can be read only so do not use
	// it and put the config in the executable dir.
	//
	// On the iPhone, the home dir of the user when you launch the app
	// from the Springboard, is /. Which we don't want.
#if defined(ANDROID)
	const char *home = "/sdcard";
#else
	const char *home = getenv("HOME");
#endif
	if (home != NULL && strlen(home) < MAXPATHLEN)
		snprintf(configFile, MAXPATHLEN, "%s/%s", home, DEFAULT_CONFIG_FILE);
	else
		strcpy(configFile, DEFAULT_CONFIG_FILE);
#else
	strcpy(configFile, DEFAULT_CONFIG_FILE);
#endif

	return configFile;
}

//.........这里部分代码省略.........
				rv = CKR_GENERAL_ERROR;
				CI_VarLogEntry("CI_FindConfFile", 
								   "opening file '%s': %s", 
									rv, 0, CK_I_config_fname, strerror(errno)); 
				return rv;
			}else
			{
				TC_free(CK_I_config_fname);
				CK_I_config_fname = NULL_PTR; /* nicht gefunden */
			}
		}
		else
		{
		 fclose(f);
		}
	}


	/* if no config-file was found in the user profile, search the system-directory */
	if ( CK_I_config_fname == NULL )
      {
	CK_CHAR_PTR system_dir = NULL_PTR;
	UINT retlen;
	
	system_dir = TC_malloc(sizeof(CK_CHAR) * MAX_PATH);
	if( system_dir == NULL_PTR )
	  {
	    rv = CKR_HOST_MEMORY;
	    CI_LogEntry("CI_FindConfFile", "Allocating Buffer Space", 
			rv, 0); 
	    return rv;
	  }

	retlen =GetWindowsDirectory(system_dir, MAX_PATH);
	if(retlen == 0 )
	  {
	    rv = CKR_GENERAL_ERROR;
	    CI_VarLogEntry("CI_FindConfFile", 
			   "Retrieving Windows System Directory GetLastError(): %i", 
			   rv, 0, GetLastError()); 
	    return rv;
	  }
	
	if(retlen > MAX_PATH)
	  {
	    /* realloc would move the block first */
	    TC_free(system_dir); 
	    system_dir = TC_malloc(sizeof(CK_CHAR) * retlen);
	    if( system_dir == NULL_PTR )
	      {
		rv = CKR_HOST_MEMORY;
		CI_LogEntry("CI_FindConfFile", "Allocating Buffer Space", 
			    rv, 0); 
		return rv;
	      }

	    GetSystemDirectory(system_dir , retlen);

	    if(retlen == 0 )
	      {
		rv = CKR_GENERAL_ERROR;
		CI_VarLogEntry("CI_FindConfFile", 
			       "Retrieving Windows System Directory GetLastError(): %i", 
			       rv, 0, GetLastError()); 
		TC_free(system_dir); 		
		return rv;

//.........这里部分代码省略.........

   /* Warn user about what we are about to do */
   if (!silent) {
         TCHAR buf[256];
	 LoadString(phInstance, IDS_INTRO, buf, sizeof(buf)/sizeof(TCHAR)-1);
         if (MessageBox(HWND_DESKTOP, buf, title, MB_YESNO) != IDYES)
	     return 0;
   }

   /* Check if monitor is still in use */
   rc = EnumPorts(NULL, 2, (LPBYTE)buffer, sizeof(buffer), 
      &needed, &returned);
   pi2 = (PORT_INFO_2 *)buffer;
   if (rc) {
      for (i=0; i<returned; i++) {
	 if (lstrcmp(pi2[i].pMonitorName, monitorname) == 0) {
            TCHAR buf[256];
	    LoadString(phInstance, IDS_INUSE, buf, sizeof(buf)/sizeof(TCHAR)-1);
	    wsprintf(sysdir, buf, pi2[i].pPortName);
            MessageBox(HWND_DESKTOP, sysdir, title, MB_OK);
	    return 1;
	 }
      }
   }
   else
      return message(IDS_ENUMPORTS_FAILED);

   /* Try to delete the monitor */
   if (!DeleteMonitor(NULL,  
      NULL /* is_winnt ? MONITORENVNT : MONITORENV95 */, 
      monitorname))
	return message(IDS_DELETEMONITOR_FAILED);

   /* Delete the monitor files */
   if (!GetSystemDirectory(sysdir, sizeof(sysdir)))
	return message(IDS_NOSYSDIR);
   lstrcpy(buffer, sysdir);
   lstrcat(buffer, "\\");
   lstrcat(buffer, is_winnt ? MONITORDLLNT : MONITORDLL95);
   if (!DeleteFile(buffer))
	return message(IDS_ERROR_DELETE_DLL);
   lstrcpy(buffer, sysdir);
   lstrcat(buffer, "\\");
   lstrcat(buffer, MONITORHLP);
   if (!DeleteFile(buffer))
	return message(IDS_ERROR_DELETE_HELP);
   lstrcpy(buffer, sysdir);
   lstrcat(buffer, "\\");
   lstrcat(buffer, REDCONF);
   if (!DeleteFile(buffer))
       return message(IDS_ERROR_DELETE_REDCONF);

   /* delete registry entries for uninstall */
   if ((rc = RegOpenKeyEx(HKEY_LOCAL_MACHINE, UNINSTALLKEY, 0, 
	KEY_ALL_ACCESS, &hkey)) == ERROR_SUCCESS) {
	RegDeleteKey(hkey, MONITORKEY);
	RegCloseKey(hkey);
   }

   /* Delete this program, but we can't do it while we are running.
    * Defer deletion until next reboot
    */
   wsprintf(buffer, TEXT("%s\\%s"), sysdir, UNINSTALLPROG);
   if (is_winnt) {
        MoveFileEx(buffer, NULL, MOVEFILE_DELAY_UNTIL_REBOOT);
   }
   else {
	char ininame[256];
	GetWindowsDirectory(ininame, sizeof(ininame));
	lstrcat(ininame, "\\wininit.ini");
	/* This method is dodgy, because multiple applications
         * using this method to delete files will overwrite
         * earlier delete instructions.
         */
	WritePrivateProfileString("Rename", "NUL", buffer, ininame);
	SetLastError(0);
   }

#ifdef UNUSED
   /* We should delete this program, but we can't do it
    * while we are running.
    * I think there is a registry key we can create which says
    * "Delete these files on next reboot", but I can't find the 
    * documentation about it.
    * Instead, run a DOS window once to delete the file
    */
    if ((rc = RegOpenKeyEx(HKEY_LOCAL_MACHINE, 
	"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\RunOnce",
	0, KEY_ALL_ACCESS, &hkey)) == ERROR_SUCCESS) {
	wsprintf(buffer, "command /c del %s\\%s", sysdir, UNINSTALLPROG);
	RegSetValueEx(hkey, MONITORKEY, 0, REG_SZ,
	    (CONST BYTE *)buffer, lstrlen(buffer)+1);
    }
#endif
   
   
   message(IDS_UNINSTALLED);

   return 0;
}

/*****************************************************************************
 * Create: allocates osd-text video thread output method
 *****************************************************************************
 * This function allocates and initializes a Clone vout method.
 *****************************************************************************/
static int Create( vlc_object_t *p_this )
{
    filter_t *p_filter = (filter_t *)p_this;
    filter_sys_t *p_sys;
    char *psz_fontfile = NULL;
    int i, i_error;
    int i_fontsize = 0;
    vlc_value_t val;

    /* Allocate structure */
    p_sys = malloc( sizeof( filter_sys_t ) );
    if( !p_sys )
    {
        msg_Err( p_filter, "out of memory" );
        return VLC_ENOMEM;
    }
    p_sys->p_face = 0;
    p_sys->p_library = 0;

    for( i = 0; i < 256; i++ )
    {
        p_sys->pi_gamma[i] = (uint8_t)( pow( (double)i * 255.0f, 0.5f ) );
    }

    var_Create( p_filter, "freetype-font",
                VLC_VAR_STRING | VLC_VAR_DOINHERIT );
    var_Create( p_filter, "freetype-fontsize",
                VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
    var_Create( p_filter, "freetype-rel-fontsize",
                VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );

    /* Look what method was requested */
    var_Get( p_filter, "freetype-font", &val );
    psz_fontfile = val.psz_string;
    if( !psz_fontfile || !*psz_fontfile )
    {
        if( psz_fontfile ) free( psz_fontfile );
        psz_fontfile = (char *)malloc( PATH_MAX + 1 );
#ifdef WIN32
        GetWindowsDirectory( psz_fontfile, PATH_MAX + 1 );
        strcat( psz_fontfile, "\\fonts\\arial.ttf" );
#elif SYS_DARWIN
        strcpy( psz_fontfile, DEFAULT_FONT );
#else
        msg_Err( p_filter, "user didn't specify a font" );
        goto error;
#endif
    }

    i_error = FT_Init_FreeType( &p_sys->p_library );
    if( i_error )
    {
        msg_Err( p_filter, "couldn't initialize freetype" );
        goto error;
    }

    i_error = FT_New_Face( p_sys->p_library, psz_fontfile ? psz_fontfile : "",
                           0, &p_sys->p_face );
    if( i_error == FT_Err_Unknown_File_Format )
    {
        msg_Err( p_filter, "file %s have unknown format", psz_fontfile );
        goto error;
    }
    else if( i_error )
    {
        msg_Err( p_filter, "failed to load font file %s", psz_fontfile );
        goto error;
    }

    i_error = FT_Select_Charmap( p_sys->p_face, ft_encoding_unicode );
    if( i_error )
    {
        msg_Err( p_filter, "Font has no unicode translation table" );
        goto error;
    }

    p_sys->i_use_kerning = FT_HAS_KERNING( p_sys->p_face );

    var_Get( p_filter, "freetype-fontsize", &val );
    if( val.i_int )
    {
        i_fontsize = val.i_int;
    }
    else
    {
        var_Get( p_filter, "freetype-rel-fontsize", &val );
        i_fontsize = (int)p_filter->fmt_out.video.i_height / val.i_int;
    }
    if( i_fontsize <= 0 )
    {
        msg_Warn( p_filter, "Invalid fontsize, using 12" );
        i_fontsize = 12;
    }
    msg_Dbg( p_filter, "Using fontsize: %i", i_fontsize);

//.........这里部分代码省略.........