C++ ACCESS函數代碼示例

/** Begin System call monitoring ************************************************************/
int monitorSytemCalls(FILE * logf, struct SCRIPT * script, struct TYPING * types, 
					   unsigned long location, struct LINE * line){
	char * tokens = (char *) calloc(TOKENMAXNB*TOKENSIZE,sizeof(char));
	int nbtokens, i;
	
	//Search for control operations
	if(monitorFileControl(logf,script,types,location,line)) return 1;
	if(monitorRegControl(logf,script,types,location,line)) return 1;
	if(monitorMailControl(logf,script,types,location,line)) return 1;
	//Search for input/output operations
	if(monitorFileIO(logf,script,types,location,line)) return 1;
	if(monitorRegIO(logf,script,types,location,line)) return 1;
	if(monitorMailIO(logf,script,types,location,line)) return 1;

	//Special folder (ignored in this version)
	if(strcasestr(line->line,".GetSpecialFolder")) return 1;
				
	//Parse line for script exit
	nbtokens = decomposeLine(line->line,(char*)tokens,TOKENMAXNB,TOKENSIZE);
	for(i=0;i<nbtokens;i++){
		//Script generic object
		if(isStaticScriptObject(ACCESS(tokens,i))>-1){
			if(!strcasecmp(ACCESS(tokens,i+1),STOP0)){
				line->type = SYSCALL;
				printLogEntry(logf, types, OP_STOP, 0, 0);
				return 1;
			}//if
		}
	}//for
	free(tokens);
	return 0;
}

static bool xenmem_access_to_p2m_access(struct p2m_domain *p2m,
                                        xenmem_access_t xaccess,
                                        p2m_access_t *paccess)
{
    static const p2m_access_t memaccess[] = {
#define ACCESS(ac) [XENMEM_access_##ac] = p2m_access_##ac
        ACCESS(n),
        ACCESS(r),
        ACCESS(w),
        ACCESS(rw),
        ACCESS(x),
        ACCESS(rx),
        ACCESS(wx),
        ACCESS(rwx),
        ACCESS(rx2rw),
        ACCESS(n2rwx),
#undef ACCESS
    };

    switch ( xaccess )
    {
    case 0 ... ARRAY_SIZE(memaccess) - 1:
        *paccess = memaccess[xaccess];
        break;
    case XENMEM_access_default:
        *paccess = p2m->default_access;
        break;
    default:
        return false;
    }

    return true;
}

// Initialize the application and telephony API. Blocks.
State * TeleKarma::Initialize(Action * a, State * s)
{
	if (s->id != STATE_UNINITIALIZED) return s;
	bool flag = false;
	InitializeAction * ia = dynamic_cast<InitializeAction *>(a);
	State * result = NULL;
	if (ia == NULL) {
		result = SetState(new State(STATE_INITIALIZING, s->turn+1));
		result = SetState(new State(result->id, result->turn, STATUS_FAILED, "Programming error: action cast failed"));
		result = SetState(new State(STATE_UNINITIALIZED, result->turn+1));
	} else {
		// set stun server **before** entering INITIALIZING state
		model->SetStunServer(ia->stunServer);
		result = SetState(new State(STATE_INITIALIZING, s->turn+1));
		// verify existence and type of 'logs' folder
		const char * strPath1 = "logs";
		struct stat status;
		stat(strPath1, &status);
		bool existsLogs = !((ACCESS(strPath1, 0) == -1) || !(status.st_mode & S_IFDIR));
		// verify existence and type of 'recordings' folder
		const char * strPath2 = "recordings";
		stat(strPath2, &status);
		bool existsRecordings = !((ACCESS(strPath2, 0) == -1) || !(status.st_mode & S_IFDIR));
		if (!(existsLogs || existsRecordings)){
			result = SetState(new State(result->id, result->turn, STATUS_FAILED, "Please create \"logs\" and \"recordings\" folders in your TeleKarma program folder."));
			flag = true;
		} else if (!existsLogs) {
			result = SetState(new State(result->id, result->turn, STATUS_FAILED, "Please create a \"logs\" folder in your TeleKarma program folder."));
			flag = true;
		} else if (!existsRecordings) {
			result = SetState(new State(result->id, result->turn, STATUS_FAILED, "Please create a \"recordings\" folder in your TeleKarma program folder."));
			flag = true;
		}
		if (flag) {
			result = SetState(new State(STATE_UNINITIALIZED, result->turn+1));
		} else {
			// create log file
			PTime now;
			PString logFName("logs/log");
			logFName += now.AsString("_yyyy.MM.dd_hh.mm.ss");
			logFName += ".txt";
			PTrace::Initialise(3, logFName);
			// initialize telephony (blocking call)
			phone->Initialise(ia->stunServer);
			PSTUNClient * stunClient = phone->GetSTUNClient();
			if (stunClient != NULL) {
				model->SetStunType(stunClient->GetNatTypeName());
			} else {
				model->SetStunType("none");
			}
			result = SetState(new State(STATE_INITIALIZED, result->turn+1));
		}
	}
	return result;
}

/**
 * Write PID file.
 *
 * @param sctx service context
 * @param pid PID to write (should be equal to 'getpid()'
 * @return  #GNUNET_OK on success (including no work to be done)
 */
static int
write_pid_file (struct GNUNET_SERVICE_Context *sctx, pid_t pid)
{
  FILE *pidfd;
  char *pif;
  char *user;
  char *rdir;
  int len;

  if (NULL == (pif = get_pid_file_name (sctx)))
    return GNUNET_OK;           /* no file desired */
  user = get_user_name (sctx);
  rdir = GNUNET_strdup (pif);
  len = strlen (rdir);
  while ((len > 0) && (rdir[len] != DIR_SEPARATOR))
    len--;
  rdir[len] = '\0';
  if (0 != ACCESS (rdir, F_OK))
  {
    /* we get to create a directory -- and claim it
     * as ours! */
    (void) GNUNET_DISK_directory_create (rdir);
    if ((NULL != user) && (0 < strlen (user)))
      GNUNET_DISK_file_change_owner (rdir, user);
  }
  if (0 != ACCESS (rdir, W_OK | X_OK))
  {
    LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_ERROR, "access", rdir);
    GNUNET_free (rdir);
    GNUNET_free_non_null (user);
    GNUNET_free (pif);
    return GNUNET_SYSERR;
  }
  GNUNET_free (rdir);
  pidfd = FOPEN (pif, "w");
  if (NULL == pidfd)
  {
    LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_ERROR, "fopen", pif);
    GNUNET_free (pif);
    GNUNET_free_non_null (user);
    return GNUNET_SYSERR;
  }
  if (0 > FPRINTF (pidfd, "%u", pid))
    LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_WARNING, "fprintf", pif);
  GNUNET_break (0 == FCLOSE (pidfd));
  if ((NULL != user) && (0 < strlen (user)))
    GNUNET_DISK_file_change_owner (pif, user);
  GNUNET_free_non_null (user);
  GNUNET_free (pif);
  return GNUNET_OK;
}

access_game (char *filename, char *mode, size_t (*af) ())
{
FILE *fd;
	fd = fopen (filename, mode);
	if (fd != NULL)
	{
		ACCESS (map)
		ACCESS (men)
		ACCESS (man)
		ACCESS (mutant)
		ACCESS (level)
		fclose (fd);
	}
}

void playWav(char* filename, float samplerate)
{
    int fp= STDIN_FILENO;
    if(filename[0]!='-') fp = open(filename, 'r');
    //int sz = lseek(fp, 0L, SEEK_END);
    //lseek(fp, 0L, SEEK_SET);
    //short* data = (short*)malloc(sz);
    //read(fp, data, sz);
    
    int bufPtr=0;
    float datanew, dataold = 0;
    short data;
    
    for (int i=0; i<22; i++)
       read(fp, &data, 2);  // read past header
    
    while (read(fp, &data, 2)) {
        float fmconstant = samplerate * 50.0e-6;  // for pre-emphisis filter.  50us time constant
        int clocksPerSample = 22500.0/samplerate*1400.0;  // for timing

        datanew = (float)(data)/32767;
        
        float sample = datanew + (dataold-datanew) / (1-fmconstant);  // fir of 1 + s tau
        float dval = sample*15.0;  // actual transmitted sample.  15 is bandwidth (about 75 kHz)
        
        int intval = (int)(round(dval));  // integer component
        float frac = (dval - (float)intval)/2 + 0.5;
        unsigned int fracval = frac*clocksPerSample;
         
        bufPtr++;
        while( ACCESS(DMABASE + 0x04 /* CurBlock*/) ==  (int)(instrs[bufPtr].p)) usleep(1000);
        ((struct CB*)(instrs[bufPtr].v))->SOURCE_AD = (int)constPage.p + 2048 + intval*4 - 4 ;
        
        bufPtr++;
        while( ACCESS(DMABASE + 0x04 /* CurBlock*/) ==  (int)(instrs[bufPtr].p)) usleep(1000);
        ((struct CB*)(instrs[bufPtr].v))->TXFR_LEN = clocksPerSample-fracval;
        
        bufPtr++;
        while( ACCESS(DMABASE + 0x04 /* CurBlock*/) ==  (int)(instrs[bufPtr].p)) usleep(1000);
        ((struct CB*)(instrs[bufPtr].v))->SOURCE_AD = (int)constPage.p + 2048 + intval*4+4;
        
        bufPtr=(bufPtr+1) % (1024);
        while( ACCESS(DMABASE + 0x04 /* CurBlock*/) ==  (int)(instrs[bufPtr].p)) usleep(1000);
        ((struct CB*)(instrs[bufPtr].v))->TXFR_LEN = fracval;
        
        dataold = datanew;
    }
    close(fp);
}

	Cmiss_differential_operator(FE_region *fe_region, int dimension, int term) :
		fe_region(ACCESS(FE_region)(fe_region)),
		dimension(dimension),
		term(term),
		access_count(1)
	{
	}

void CWE367_TOC_TOU__access_01_bad()
{
    {
        char filename[100] = "";
        int fileDesc = -1;
        if (fgets(filename, 100, stdin) == NULL)
        {
            printLine("fgets() failed");
            /* Restore NUL terminator if fgets fails */
            filename[0] = '\0';
        }
        if (strlen(filename) > 0)
        {
            filename[strlen(filename)-1] = '\0'; /* remove newline */
        }
        /* FLAW: Open and write to the file after checking the status information */
        if (ACCESS(filename, W_OK) == -1)
        {
            exit(1);
        }
        fileDesc  = OPEN(filename, O_RDWR);
        if (fileDesc == -1)
        {
            exit(1);
        }
        if (WRITE(fileDesc, BAD_SINK_STRING, strlen(BAD_SINK_STRING)) == -1)
        {
            exit(1);
        }
        if (fileDesc != -1)
        {
            CLOSE(fileDesc);
        }
    }
}

UINT AviConverter::run() {
  try {
    CPicture picture;
    picture.load(m_nameArray[0]);
    const CSize imageSize = picture.getSize();

    HDC screenDC = getScreenDC();
    m_dc     = CreateCompatibleDC(screenDC);
    m_bitmap = CreateCompatibleBitmap(screenDC, imageSize.cx, imageSize.cy);
    DeleteDC(screenDC);
    DWORD codec = 0; // mmioFOURCC('w','m','v',' ');

    if(ACCESS(m_outFileName, 0) == 0) {
      UNLINK(m_outFileName);
    }
    CAviFile aviFile(m_outFileName, true, codec, m_framesPerSecond);

    for(m_index = 0; m_index < (int)m_nameArray.size(); m_index += m_useEvery) {
      if(isInterrupted()) {
        throwException(_T("Interrupted by user"));
      }
      picture.load(m_nameArray[m_index]);
      HGDIOBJ oldGDI = SelectObject(m_dc, m_bitmap);
      picture.show(m_dc);
      SelectObject(m_dc, oldGDI);
      aviFile.appendNewFrame(m_bitmap);
    }
  } catch(Exception e) {
    m_ok  = false;
    m_msg = e.what();
  }
  return 0;
}

int ensure_dir(const char *sPathName)
{
	char DirName[MAX_PATH];
	int i, len = 0;
	strcpy(DirName, sPathName);
	len = (int)strlen(DirName);
	if (DirName[len - 1] != '/')
		strcat(DirName, "/");

	len = (int)strlen(DirName);

	for (i = 1; i < len; i++) {
		if (DirName[i] == '/' || DirName[i] == '\\') {
			DirName[i] = 0;
//			printf("%s\n", DirName);
			if (ACCESS(DirName, 0) != 0) {
				if (MKDIR(DirName) != 0) {
					printf("mkdir %s error %d\n", DirName, GETLASTERROR);
					return -1;
				}
			}
			DirName[i] = '/';
		}
	}

	return 0;
}

/*********************************************
Functon:    Lia_Fifo_Read
Description:  read context from fifo
Author: liujian
Date: 2015/09/04
Input: void * pBuf:the context being readed from fifo
		pi8Path:fifo path
		i32MaxReadLen:maxium length of read
Returns: 0 indicates success
		negative numbers indicate failure
*********************************************/
Int32 Lia_Fifo_Read(Int8 *pi8Path,void * pBuf,Int32 i32MaxReadLen)
{
	Int32 i32Fd=-1;
	Int32 i32ReadCnt = -1;
	JUDGE_POINTER_IS_NULL(pBuf);
	JUDGE_POINTER_IS_NULL(pi8Path);
	ACCESS(pi8Path,F_OK);
	i32Fd=open(pi8Path, O_RDONLY,0);
	if (i32Fd < 0)
	{
		printf("open error:%s\n", strerror(errno));
		return -1;
	}
	i32ReadCnt = read(i32Fd, pBuf, i32MaxReadLen);
	if (i32ReadCnt<0)
	{
		printf("read error\n");
		return -1;
	}
	else if(0== i32ReadCnt)//write fifo has closed,unlink the read fifo
	{
		unlink(pi8Path);
	}
	close(i32Fd);

	return 0;
}

bool QFile::exists( const char *fileName )
{
#if defined(CHECK_NULL)
    ASSERT( fileName != 0 );
#endif
    return ACCESS( fileName, F_OK ) == 0;
}

void setup_fm()
{

    /* open /dev/mem */
    if ((mem_fd = open("/dev/mem", O_RDWR|O_SYNC) ) < 0) {
        printf("can't open /dev/mem \n");
        exit (-1);
    }
    
    allof7e = (unsigned *)mmap(
                  NULL,
                  0x01000000,  //len
                  PROT_READ|PROT_WRITE,
                  MAP_SHARED,
                  mem_fd,
                  0x20000000  //base
              );

    if ((int)allof7e==-1) exit(-1);

    SETBIT(GPFSEL0 , 14);
    CLRBIT(GPFSEL0 , 13);
    CLRBIT(GPFSEL0 , 12);

 
    struct GPCTL setupword = {6/*SRC*/, 1, 0, 0, 0, 1,0x5a};

    ACCESS(CM_GP0CTL) = *((int*)&setupword);
}

int jackpifm_setup_fm() {
  /* open /dev/mem */
  if ((mem_fd = open("/dev/mem", O_RDWR|O_SYNC) ) < 0) {
    fprintf(stderr, "Can't open /dev/mem: %s\n", strerror(errno));
    return 1;
  }

  allof7e = (unsigned *)mmap(
      NULL,
      0x01000000,  //len
      PROT_READ|PROT_WRITE,
      MAP_SHARED,
      mem_fd,
      0x20000000  //base
  );

  if ((int)allof7e==-1) return 1;

  SETBIT(GPFSEL0 , 14);
  CLRBIT(GPFSEL0 , 13);
  CLRBIT(GPFSEL0 , 12);

  struct GPCTL setupword = {6/*SRC*/, 1, 0, 0, 0, 1,0x5a};
  ACCESS(CM_GP0CTL) = *((int*)(&setupword));
  return 0;
}

// create the file, fail if it already exists and bOverwrite
bool wxFile::Create(const wxChar *szFileName, bool bOverwrite, int accessMode)
{
    // if bOverwrite we create a new file or truncate the existing one,
    // otherwise we only create the new file and fail if it already exists
#if defined(__WXMAC__) && !defined(__UNIX__) && !wxUSE_UNICODE
    // Dominic Mazzoni [[email protected]] reports that open is still broken on the mac, so we replace
    // int fd = open( szFileName , O_CREAT | (bOverwrite ? O_TRUNC : O_EXCL), access);
    int fd = creat( szFileName , accessMode);
#else
    int fd = wxOpen( szFileName,
                     O_BINARY | O_WRONLY | O_CREAT |
                     (bOverwrite ? O_TRUNC : O_EXCL)
                     ACCESS(accessMode) );
#endif
    if ( fd == -1 )
    {
        wxLogSysError(_("can't create file '%s'"), szFileName);
        return false;
    }
    else
    {
        Attach(fd);
        return true;
    }
}