自学教程：C++ winerror函数代码示例

bool remove_service(void) {	manager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);	if(!manager) {		logger(LOG_ERR, "Could not open service manager: %s", winerror(GetLastError()));		return false;	}	service = OpenService(manager, identname, SERVICE_ALL_ACCESS);	if(!service) {		logger(LOG_ERR, "Could not open %s service: %s", identname, winerror(GetLastError()));		return false;	}	if(!ControlService(service, SERVICE_CONTROL_STOP, &status))		logger(LOG_ERR, "Could not stop %s service: %s", identname, winerror(GetLastError()));	else		logger(LOG_INFO, "%s service stopped", identname);	if(!DeleteService(service)) {		logger(LOG_ERR, "Could not remove %s service: %s", identname, winerror(GetLastError()));		return false;	}	logger(LOG_INFO, "%s service removed", identname);	return true;}

void winreplacefile(char *source, char *target){	wchar_t wsource[PATH_MAX];	wchar_t wtarget[PATH_MAX];	int sz = MultiByteToWideChar(CP_UTF8, 0, source, -1, wsource, PATH_MAX);	if (sz == 0)	{		winerror(&gapp, "cannot convert filename to Unicode");		return;	}	sz = MultiByteToWideChar(CP_UTF8, 0, target, -1, wtarget, PATH_MAX);	if (sz == 0)	{		winerror(&gapp, "cannot convert filename to Unicode");		return;	}#if (_WIN32_WINNT >= 0x0500)	ReplaceFile(wtarget, wsource, NULL, REPLACEFILE_IGNORE_MERGE_ERRORS, NULL, NULL);#else	DeleteFile(wtarget);	MoveFile(wsource, wtarget);#endif}

static void WINAPI win_service_main(DWORD argc, LPTSTR *argv){	printf("Service Main/n");	win_service_status.dwServiceType = SERVICE_WIN32;	win_service_status.dwControlsAccepted = SERVICE_ACCEPT_STOP;	win_service_status.dwWin32ExitCode = 0;	win_service_status.dwServiceSpecificExitCode = 0;	win_service_status.dwCheckPoint = 0;	win_service_status.dwWaitHint = 0;	win_service_status_handle = RegisterServiceCtrlHandler(svcname, win_service_handler);	if (win_service_status_handle == (SERVICE_STATUS_HANDLE)0)	{		winerror(__FILE__, __LINE__, "Failed to Register Service Control Handler");		return;	}	win_service_status.dwCurrentState = SERVICE_START_PENDING;	if (!SetServiceStatus(win_service_status_handle, &win_service_status))	{		winerror(__FILE__, __LINE__, "Failed to Set Service Status");	}	/* start server */	server->Start();	printf("Run as Daemon Success/n");	while (true)  Sleep(10000000);	win_service_status.dwCurrentState = server ? SERVICE_RUNNING : SERVICE_STOPPED;	if (!SetServiceStatus(win_service_status_handle, &win_service_status))	{		winerror(__FILE__, __LINE__, "Failed to Set Service Status");	}}

/** SCM state change handler */static void WINAPI win_service_handler(DWORD control){	printf("Service Handler %d", control);	switch (control)	{	case SERVICE_CONTROL_INTERROGATE:		break;	case SERVICE_CONTROL_SHUTDOWN:	case SERVICE_CONTROL_STOP:		if (server)		{			win_service_status.dwCurrentState = SERVICE_STOP_PENDING;			if (!SetServiceStatus(win_service_status_handle, &win_service_status))			{				winerror(__FILE__, __LINE__, "Failed to Set Service Status");			}			/* shutdown server */			server->Stop();		}		win_service_status.dwCurrentState = SERVICE_STOPPED;		win_service_status.dwCheckPoint = 0;		win_service_status.dwWaitHint = 0;		break;	}	if (!SetServiceStatus(win_service_status_handle, &win_service_status))	{		winerror(__FILE__, __LINE__, "Failed to Set Service Status");		printf("Failed to Set Service Status/n");	}}

/** Stop service */static apt_bool_t uni_service_stop(const char *name){	apt_bool_t status = TRUE;	SERVICE_STATUS ss_status;	SC_HANDLE sch_service;	SC_HANDLE sch_manager = OpenSCManager(0,0,SC_MANAGER_ALL_ACCESS);	if (!name) name = WIN_SERVICE_NAME;	if(!sch_manager) {		winerror("Failed to Open SCManager");		return FALSE;	}	sch_service = OpenService(sch_manager,name,SERVICE_STOP);	if(!sch_service) {		winerror("Failed to Open Service");		CloseServiceHandle(sch_manager);		return FALSE;	}	if(!ControlService(sch_service,SERVICE_CONTROL_STOP,&ss_status)) {		winerror("Failed to Stop Service");		status = FALSE;	} else		printf("UniMRCP service %s stopped/n", name);	CloseServiceHandle(sch_service);	CloseServiceHandle(sch_manager);	return status;}

/** Start service */static apt_bool_t uni_service_start(const char *name){	apt_bool_t status = TRUE;	SC_HANDLE sch_service;	SC_HANDLE sch_manager = OpenSCManager(0,0,SC_MANAGER_ALL_ACCESS);	if (!name) name = WIN_SERVICE_NAME;	if(!sch_manager) {		winerror("Failed to Open SCManager");		return FALSE;	}	sch_service = OpenService(sch_manager,name,SERVICE_START);	if(!sch_service) {		winerror("Failed to Open Service");		CloseServiceHandle(sch_manager);		return FALSE;	}	if(!StartService(sch_service,0,NULL)) {		winerror("Failed to Start Service");		status = FALSE;	} else		printf("UniMRCP service %s started/n", name);	CloseServiceHandle(sch_service);	CloseServiceHandle(sch_manager);	return status;}

bool install_service(void) {	char command[4096] = "/"";	char **argp;	bool space;	SERVICE_DESCRIPTION description = {"Virtual Private Network daemon"};	manager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);	if(!manager) {		logger(LOG_ERR, "Could not open service manager: %s", winerror(GetLastError()));		return false;	}	if(!strchr(program_name, '//')) {		GetCurrentDirectory(sizeof command - 1, command + 1);		strncat(command, "//", sizeof command - strlen(command));	}	strncat(command, program_name, sizeof command - strlen(command));	strncat(command, "/"", sizeof command - strlen(command));	for(argp = g_argv + 1; *argp; argp++) {		space = strchr(*argp, ' ');		strncat(command, " ", sizeof command - strlen(command));				if(space)			strncat(command, "/"", sizeof command - strlen(command));				strncat(command, *argp, sizeof command - strlen(command));		if(space)			strncat(command, "/"", sizeof command - strlen(command));	}	service = CreateService(manager, identname, identname,			SERVICE_ALL_ACCESS, SERVICE_WIN32_OWN_PROCESS, SERVICE_AUTO_START, SERVICE_ERROR_NORMAL,			command, NULL, NULL, NULL, NULL, NULL);		if(!service) {		DWORD lasterror = GetLastError();		logger(LOG_ERR, "Could not create %s service: %s", identname, winerror(lasterror));		if(lasterror != ERROR_SERVICE_EXISTS)			return false;	}	if(service) {		ChangeServiceConfig2(service, SERVICE_CONFIG_DESCRIPTION, &description);		logger(LOG_INFO, "%s service installed", identname);	} else {		service = OpenService(manager, identname, SERVICE_ALL_ACCESS);	}	if(!StartService(service, 0, NULL))		logger(LOG_WARNING, "Could not start %s service: %s", identname, winerror(GetLastError()));	else		logger(LOG_INFO, "%s service started", identname);	return true;}

int WINAPIWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd){	int argc;	LPWSTR *argv = CommandLineToArgvW(GetCommandLineW(), &argc);	char argv0[256];	MSG msg;	int fd;	int code;	fz_context *ctx;	ctx = fz_new_context(NULL, NULL, FZ_STORE_DEFAULT);	if (!ctx)	{		fprintf(stderr, "cannot initialise context/n");		exit(1);	}	pdfapp_init(ctx, &gapp);	GetModuleFileNameA(NULL, argv0, sizeof argv0);	install_app(argv0);	winopen();	if (argc == 2)	{		wcscpy(wbuf, argv[1]);	}	else	{		if (!winfilename(wbuf, nelem(wbuf)))			exit(0);	}	fd = _wopen(wbuf, O_BINARY | O_RDONLY, 0666);	if (fd < 0)		winerror(&gapp, "cannot open file");	code = WideCharToMultiByte(CP_UTF8, 0, wbuf, -1, filename, sizeof filename, NULL, NULL);	if (code == 0)		winerror(&gapp, "cannot convert filename to utf-8");	pdfapp_open(&gapp, filename, fd, 0);	while (GetMessage(&msg, NULL, 0, 0))	{		TranslateMessage(&msg);		DispatchMessage(&msg);	}	pdfapp_close(&gapp);	return 0;}

static boolean getcmdexitcode (Handle hprocess, long *status) {		/*	2006-03-10 aradke: wait for child process to exit, then get its exit code	*/		DWORD res;	boolean fl = true;		*status = 0;		releasethreadglobals ();		res = WaitForSingleObject (hprocess, INFINITE);		grabthreadglobals ();		if (res != WAIT_OBJECT_0)		goto exit;			fl = GetExitCodeProcess (hprocess, status);		if (!fl)		winerror ();exit:		CloseHandle (hprocess);		return (fl);	} /*getcmdexitcode*/

interror_func(int type, const char *pred, int argi, intptr_t argl){ switch(type)  { case ERR_INSTANTIATION:    { char buf[1024];      sprintf(buf, "%s: instantiation error on argument %d", pred, argi);      return PL_warning(buf);    }    case ERR_IO:    { char buf[1024];#ifdef __WINDOWS__      char *msg = winerror(argi);      sprintf(buf, "%s: IO error %s", pred, msg);      free(msg);#else      sprintf(buf, "%s: IO error %s", pred, strerror(argi));#endif      return PL_warning(buf);    }  }  return PL_warning("Table package: unknown error");}

char *winpassword(pdfapp_t *app, char *filename){	char buf[1024], *s;	int code;	if (password)	{		char *p = password;		password = NULL;		return p;	}	strcpy(buf, filename);	s = buf;	if (strrchr(s, '//')) s = strrchr(s, '//') + 1;	if (strrchr(s, '/')) s = strrchr(s, '/') + 1;	if (strlen(s) > 32)		strcpy(s + 30, "...");	sprintf(pd_filename, "The file /"%s/" is encrypted.", s);	code = DialogBoxW(NULL, L"IDD_DLOGPASS", hwndframe, dlogpassproc);	if (code <= 0)		winerror(app, "cannot create password dialog");	if (pd_okay)		return pd_password;	return NULL;}

int wingetsavepath(pdfapp_t *app, char *buf, int len){	wchar_t twbuf[PATH_MAX];	OPENFILENAME ofn;	wcscpy(twbuf, wbuf);	memset(&ofn, 0, sizeof(OPENFILENAME));	ofn.lStructSize = sizeof(OPENFILENAME);	ofn.hwndOwner = hwndframe;	ofn.lpstrFile = twbuf;	ofn.nMaxFile = PATH_MAX;	ofn.lpstrInitialDir = NULL;	ofn.lpstrTitle = L"MuPDF: Save PDF file";	ofn.lpstrFilter = L"Documents (*.pdf;*.xps;*.cbz;*.zip)/0*.zip;*.cbz;*.xps;*.pdf/0PDF Files (*.pdf)/0*.pdf/0XPS Files (*.xps)/0*.xps/0CBZ Files (*.cbz;*.zip)/0*.zip;*.cbz/0All Files/0*/0/0";	ofn.Flags = OFN_HIDEREADONLY;	if (GetSaveFileName(&ofn))	{		int code = WideCharToMultiByte(CP_UTF8, 0, twbuf, -1, buf, MIN(PATH_MAX, len), NULL, NULL);		if (code == 0)		{			winerror(&gapp, "cannot convert filename to utf-8");			return 0;		}		wcscpy(wbuf, twbuf);		strcpy(filename, buf);		return 1;	}	else	{		return 0;	}}

VOID WINAPI run_service(DWORD argc, LPTSTR* argv) {	int err = 1;	extern int main2(int argc, char **argv);	status.dwServiceType = SERVICE_WIN32; 	status.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN;	status.dwWin32ExitCode = 0; 	status.dwServiceSpecificExitCode = 0; 	status.dwCheckPoint = 0; 	statushandle = RegisterServiceCtrlHandlerEx(identname, controlhandler, NULL); 	if (!statushandle) {		logger(LOG_ERR, "System call `%s' failed: %s", "RegisterServiceCtrlHandlerEx", winerror(GetLastError()));		err = 1;	} else {		status.dwWaitHint = 30000; 		status.dwCurrentState = SERVICE_START_PENDING; 		SetServiceStatus(statushandle, &status);		status.dwWaitHint = 0; 		status.dwCurrentState = SERVICE_RUNNING;		SetServiceStatus(statushandle, &status);		err = main2(argc, argv);		status.dwWaitHint = 0;		status.dwCurrentState = SERVICE_STOPPED; 		//status.dwWin32ExitCode = err; 		SetServiceStatus(statushandle, &status);	}	return;}

static boolean getcmdshell (Handle *hshell) {	/*	2006-03-09 aradke: return name or path of command shell in hshell.		check the COMSPEC environment variable first. if it does not exist, resort		to guessing the name of the shell based on the current OS version.		caller is responsible for disposing the handle if we return true.	*/		OSVERSIONINFO osinfo;	bigstring bs;		if (getenvironmentvariable ("COMSPEC", false, hshell))		return (true);	osinfo.dwOSVersionInfoSize = sizeof (osinfo);			if (GetVersionEx (&osinfo) == nil) {		winerror ();		return (false);		}	if (osinfo.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) {		copystring ("/x0b" "command.com", bs); /*Win95/98/ME: actual DOS command interpreter*/		}	else {		copystring ("/x07" "cmd.exe", bs); /*WinNT and successors: DOS emulation*/		}	return (newtexthandle (bs, hshell));	} /*getcmdshell*/

static voiderror(int rc, wchar_t * format, ... ){    va_list va;    wchar_t message[MSGSIZE];    wchar_t win_message[MSGSIZE];    int len;    va_start(va, format);    len = _vsnwprintf_s(message, MSGSIZE, _TRUNCATE, format, va);    if (rc == 0) {  /* a Windows error */        winerror(GetLastError(), win_message, MSGSIZE);        if (len >= 0) {            _snwprintf_s(&message[len], MSGSIZE - len, _TRUNCATE, L": %ls",                         win_message);        }    }#if !defined(_WINDOWS)    fwprintf(stderr, L"%ls/n", message);#else    MessageBox(NULL, message, TEXT("Python Launcher is sorry to say ..."),               MB_OK);#endif    exit(rc);}

void winreloadfile(pdfapp_t *app){	int fd;	pdfapp_close(app);	fd = open(filename, O_BINARY | O_RDONLY, 0666);	if (fd < 0)		winerror(app, fz_throw("cannot reload file '%s'", filename));	pdfapp_open(app, filename, fd, 1);}

int winchoiceinput(pdfapp_t *app, int nopts, char *opts[], int *nvals, char *vals[]){	int code;	cd_nopts = nopts;	cd_nvals = nvals;	cd_opts = opts;	cd_vals = vals;	code = DialogBoxW(NULL, L"IDD_DLOGLIST", hwndframe, dlogchoiceproc);	if (code <= 0)		winerror(app, "cannot create text input dialog");	return pd_okay;}

char *wintextinput(pdfapp_t *app, char *inittext, int retry){	int code;	td_retry = retry;	fz_strlcpy(td_textinput, inittext ? inittext : "", sizeof td_textinput);	code = DialogBoxW(NULL, L"IDD_DLOGTEXT", hwndframe, dlogtextproc);	if (code <= 0)		winerror(app, "cannot create text input dialog");	if (pd_okay)		return td_textinput;	return NULL;}

void wincopyfile(char *source, char *target){	wchar_t wsource[PATH_MAX];	wchar_t wtarget[PATH_MAX];	int sz = MultiByteToWideChar(CP_UTF8, 0, source, -1, wsource, PATH_MAX);	if (sz == 0)	{		winerror(&gapp, "cannot convert filename to Unicode");		return;	}	sz = MultiByteToWideChar(CP_UTF8, 0, target, -1, wtarget, PATH_MAX);	if (sz == 0)	{		winerror(&gapp, "cannot convert filename to Unicode");		return;	}	CopyFile(wsource, wtarget, FALSE);}

interrstr(char *buf, uint nerr){	DWORD le;	le = GetLastError();	if(le == Magic)		utfecpy(buf, buf+nerr, errstring);	else		winerror(le, buf, nerr);	return 1;}

void winreloadfile(pdfapp_t *app){	int fd;	pdfapp_close(app);	fd = _wopen(wbuf, O_BINARY | O_RDONLY, 0666);	if (fd < 0)		winerror(&gapp, "cannot reload file");	pdfapp_open(app, filename, fd, 1);}

void win32error(char *msg){	LPSTR buf;	int code = GetLastError();	FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER |		FORMAT_MESSAGE_FROM_SYSTEM |		FORMAT_MESSAGE_IGNORE_INSERTS,		NULL,		code,		MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),		(LPSTR)&buf, 0, NULL);	winerror(&gapp, fz_throw("%s:/n%s", msg, buf));}

/** Run SCM service */void WindowsServiceDaemon(const char *name){	SERVICE_TABLE_ENTRY win_service_table[2];	svcname = name ? name : WIN_SERVICE_NAME;	memset(&win_service_table, 0, sizeof(win_service_table));	win_service_table->lpServiceName = (LPSTR)svcname;	win_service_table->lpServiceProc = win_service_main;	printf("Run as Service Daemon : %s/n", svcname);	if (!StartServiceCtrlDispatcher(win_service_table))	{		winerror(__FILE__, __LINE__, "Failed to Connect to SCM");	}}

int WINAPIWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd){	int argc;	LPWSTR *argv = CommandLineToArgvW(GetCommandLineW(), &argc);	char argv0[256];	MSG msg;	int fd;	int code;	fz_accelerate();	pdfapp_init(&gapp);	GetModuleFileNameA(NULL, argv0, sizeof argv0);	install_app(argv0);	winopen();	if (argc == 2)	{		wcscpy(wbuf, argv[1]);	}	else	{		if (!winfilename(wbuf, nelem(wbuf)))			exit(0);	}	fd = _wopen(wbuf, O_BINARY | O_RDONLY, 0666);	if (fd < 0)		winerror(&gapp, fz_throw("cannot open file '%s'", filename));	code = WideCharToMultiByte(CP_UTF8, 0, wbuf, -1, filename, sizeof filename, NULL, NULL);	if (code == 0)		win32error("cannot convert filename to utf-8");	pdfapp_open(&gapp, filename, fd, 0);	while (GetMessage(&msg, NULL, 0, 0))	{		TranslateMessage(&msg);		DispatchMessage(&msg);	}	pdfapp_close(&gapp);	return 0;}

bool write_packet(vpn_packet_t *packet) {	long lenout;	ifdebug(TRAFFIC) logger(LOG_DEBUG, "Writing packet of %d bytes to %s",			   packet->len, device_info);	if(!WriteFile (device_handle, packet->data, packet->len, &lenout, NULL)) {		logger(LOG_ERR, "Error while writing to %s %s: %s", device_info, device, winerror(GetLastError()));		return false;	}	device_total_out += packet->len;	return true;}

bool init_service(void) {	SERVICE_TABLE_ENTRY services[] = {		{identname, run_service},		{NULL, NULL}	};	if(!StartServiceCtrlDispatcher(services)) {		if(GetLastError() == ERROR_FAILED_SERVICE_CONTROLLER_CONNECT) {			return false;		}		else			logger(LOG_ERR, "System call `%s' failed: %s", "StartServiceCtrlDispatcher", winerror(GetLastError()));	}	return true;}

static boolean getenvironmentvariable (char *name, boolean flwinerror, Handle *hresult) {		/*	2006-03-09 aradke: utility function for getting a Windows environment variable		as a handle without terminating nil char.	*/		Handle h;	long res;	res = GetEnvironmentVariable (name, nil, 0); /*get required space*/	if (res == 0) {		if (flwinerror)			winerror ();		return (false);		}	if (!newclearhandle (res, &h))		return (false);	lockhandle (h);	res = GetEnvironmentVariable (name, *h, res); /*get actual value*/	unlockhandle (h);		assert (gethandlesize (h) == res + 1);	if (!sethandlesize (h, res)) {	/*drop trailing nil char*/		disposehandle (h);		return (false);		}	*hresult = h;			return (true);	} /*getenvironmentvariable*/

int main(int argc, char **argv) {	program_name = argv[0];	if(!parse_options(argc, argv))		return 1;		make_names();	if(show_version) {		printf("%s version %s (built %s %s, protocol %d)/n", PACKAGE,			   VERSION, __DATE__, __TIME__, PROT_CURRENT);		printf("Copyright (C) 1998-2010 Ivo Timmermans, Guus Sliepen and others./n"				"See the AUTHORS file for a complete list./n/n"				"tinc comes with ABSOLUTELY NO WARRANTY.  This is free software,/n"				"and you are welcome to redistribute it under certain conditions;/n"				"see the file COPYING for details./n");		return 0;	}	if(show_help) {		usage(false);		return 0;	}	if(kill_tincd)		return !kill_other(kill_tincd);	openlogger("tinc", use_logfile?LOGMODE_FILE:LOGMODE_STDERR);	g_argv = argv;	init_configuration(&config_tree);	/* Slllluuuuuuurrrrp! */	RAND_load_file("/dev/urandom", 1024);	ENGINE_load_builtin_engines();	ENGINE_register_all_complete();	OpenSSL_add_all_algorithms();	if(generate_keys) {		read_server_config();		return !keygen(generate_keys);	}	if(!read_server_config())		return 1;#ifdef HAVE_LZO	if(lzo_init() != LZO_E_OK) {		logger(LOG_ERR, "Error initializing LZO compressor!");		return 1;	}#endif#ifdef HAVE_MINGW	if(WSAStartup(MAKEWORD(2, 2), &wsa_state)) {		logger(LOG_ERR, "System call `%s' failed: %s", "WSAStartup", winerror(GetLastError()));		return 1;	}	if(!do_detach || !init_service())		return main2(argc, argv);	else		return 1;}

/** Register/install service in SCM */static apt_bool_t uni_service_register(const char *root_dir_path, apr_pool_t *pool,                                       const char *name,                                       apt_bool_t autostart,                                       unsigned long recover,                                       int log_priority,                                       const char *disp_name,                                       const char *description){	apr_status_t status;	char buf[4096];	static const size_t len = sizeof(buf);	size_t pos = 0;	char *root_dir;	SERVICE_DESCRIPTION desc;	SC_HANDLE sch_service;	SC_HANDLE sch_manager;	/* Normalize root directory path and make it absolute */	status = apr_filepath_merge(&root_dir, NULL, root_dir_path,		APR_FILEPATH_NOTRELATIVE | APR_FILEPATH_NATIVE | APR_FILEPATH_TRUENAME, pool);	if (status != APR_SUCCESS) {		printf("Error making root directory absolute: %d %.512s/n", status,			apr_strerror(status, buf, 512));		return FALSE;	}	buf[pos++] = '"';	pos = apr_cpystrn(buf + pos, root_dir, len - pos) - buf;	if ((buf[pos - 1] != '//') && (pos < len))		/* Add trailing backslash */		buf[pos++] = '//';	pos = apr_cpystrn(buf + pos, "bin//unimrcpserver.exe/" --service -o 2", len - pos) - buf;	if (log_priority >= 0) {		pos = apr_cpystrn(buf + pos, " -l ", len - pos) - buf;		if (pos < len - 34)			pos += strlen(itoa(log_priority, buf + pos, 10));	}	if (name) {		pos = apr_cpystrn(buf + pos, " --name /"", len - pos) - buf;		pos = apr_cpystrn(buf + pos, name, len - pos) - buf;		if ((buf[pos - 1] == '//') && (pos < len))			/* `/"' might be misinterpreted as escape, so replace `/' with `//' */			buf[pos++] = '//';		if (pos < len)			buf[pos++] = '"';	}	pos = apr_cpystrn(buf + pos, " --root-dir /"", len - pos) - buf;	pos = apr_cpystrn(buf + pos, root_dir, len - pos) - buf;	if ((buf[pos - 1] == '//') && (pos < len))		/* `/"' might be misinterpreted as escape, so replace `/' with `//' */		buf[pos++] = '//';	if (pos < len)		buf[pos++] = '"';	if (pos < len)		buf[pos] = 0;	else {		puts("Service Command Too Long");		return FALSE;	}	if (!disp_name || !*disp_name) {		if (name)			disp_name = apr_pstrcat(pool, name, " ", "UniMRCP Server", NULL);		else			disp_name = "UniMRCP Server";	}	if (!description || !*description)		description = "Launches UniMRCP Server";	sch_manager = OpenSCManager(0,0,SC_MANAGER_ALL_ACCESS);	if(!sch_manager) {		winerror("Failed to Open SCManager");		return FALSE;	}	sch_service = CreateService(					sch_manager,					name ? name : WIN_SERVICE_NAME,					disp_name,					GENERIC_EXECUTE | SERVICE_CHANGE_CONFIG,					SERVICE_WIN32_OWN_PROCESS,					autostart ? SERVICE_AUTO_START : SERVICE_DEMAND_START,					SERVICE_ERROR_NORMAL,					buf,0,0,0,0,0);	if(!sch_service) {		winerror("Failed to Create Service");		CloseServiceHandle(sch_manager);		return FALSE;	}	desc.lpDescription = (char *) description;	if(!ChangeServiceConfig2(sch_service,SERVICE_CONFIG_DESCRIPTION,&desc)) {		winerror("Failed to Set Service Description");	}	if (recover) {		SERVICE_FAILURE_ACTIONS sfa;		SC_ACTION action;		sfa.dwResetPeriod = 0;		sfa.lpCommand = "";		sfa.lpRebootMsg = "";		sfa.cActions = 1;//.........这里部分代码省略.........

static voidlocate_pythons_for_key(HKEY root, REGSAM flags){    HKEY core_root, ip_key;    LSTATUS status = RegOpenKeyExW(root, CORE_PATH, 0, flags, &core_root);    wchar_t message[MSGSIZE];    DWORD i;    size_t n;    BOOL ok;    DWORD type, data_size, attrs;    INSTALLED_PYTHON * ip, * pip;    wchar_t ip_version[IP_VERSION_SIZE];    wchar_t ip_path[IP_SIZE];    wchar_t * check;    wchar_t ** checkp;    wchar_t *key_name = (root == HKEY_LOCAL_MACHINE) ? L"HKLM" : L"HKCU";    if (status != ERROR_SUCCESS)        debug(L"locate_pythons_for_key: unable to open PythonCore key in %ls/n",              key_name);    else {        ip = &installed_pythons[num_installed_pythons];        for (i = 0; num_installed_pythons < MAX_INSTALLED_PYTHONS; i++) {            status = RegEnumKeyW(core_root, i, ip_version, IP_VERSION_SIZE);            if (status != ERROR_SUCCESS) {                if (status != ERROR_NO_MORE_ITEMS) {                    /* unexpected error */                    winerror(status, message, MSGSIZE);                    debug(L"Can't enumerate registry key for version %ls: %ls/n",                          ip_version, message);                }                break;            }            else {                wcsncpy_s(ip->version, MAX_VERSION_SIZE, ip_version,                          MAX_VERSION_SIZE-1);                _snwprintf_s(ip_path, IP_SIZE, _TRUNCATE,                             L"%ls//%ls//InstallPath", CORE_PATH, ip_version);                status = RegOpenKeyExW(root, ip_path, 0, flags, &ip_key);                if (status != ERROR_SUCCESS) {                    winerror(status, message, MSGSIZE);                    // Note: 'message' already has a trailing /n                    debug(L"%ls//%ls: %ls", key_name, ip_path, message);                    continue;                }                data_size = sizeof(ip->executable) - 1;                status = RegQueryValueExW(ip_key, NULL, NULL, &type,                                          (LPBYTE)ip->executable, &data_size);                RegCloseKey(ip_key);                if (status != ERROR_SUCCESS) {                    winerror(status, message, MSGSIZE);                    debug(L"%ls//%ls: %ls/n", key_name, ip_path, message);                    continue;                }                if (type == REG_SZ) {                    data_size = data_size / sizeof(wchar_t) - 1;  /* for NUL */                    if (ip->executable[data_size - 1] == L'//')                        --data_size; /* reg value ended in a backslash */                    /* ip->executable is data_size long */                    for (checkp = location_checks; *checkp; ++checkp) {                        check = *checkp;                        _snwprintf_s(&ip->executable[data_size],                                     MAX_PATH - data_size,                                     MAX_PATH - data_size,                                     L"%ls%ls", check, PYTHON_EXECUTABLE);                        attrs = GetFileAttributesW(ip->executable);                        if (attrs == INVALID_FILE_ATTRIBUTES) {                            winerror(GetLastError(), message, MSGSIZE);                            debug(L"locate_pythons_for_key: %ls: %ls",                                  ip->executable, message);                        }                        else if (attrs & FILE_ATTRIBUTE_DIRECTORY) {                            debug(L"locate_pythons_for_key: '%ls' is a /directory/n",                                  ip->executable, attrs);                        }                        else if (find_existing_python(ip->executable)) {                            debug(L"locate_pythons_for_key: %ls: already /found/n", ip->executable);                        }                        else {                            /* check the executable type. */                            ok = GetBinaryTypeW(ip->executable, &attrs);                            if (!ok) {                                debug(L"Failure getting binary type: %ls/n",                                      ip->executable);                            }                            else {                                if (attrs == SCS_64BIT_BINARY)                                    ip->bits = 64;                                else if (attrs == SCS_32BIT_BINARY)                                    ip->bits = 32;                                else                                    ip->bits = 0;                                if (ip->bits == 0) {                                    debug(L"locate_pythons_for_key: %ls: /invalid binary type: %X/n",                                          ip->executable, attrs);                                }                                else {//.........这里部分代码省略.........