C++ scandir函数代码示例

void UDirectory::update()
{
	if(exists(path_))
	{
		std::string lastName;
		bool endOfDir = false;
		if(iFileName_ != fileNames_.end())
		{
			//Record the last file name
			lastName = *iFileName_;
		}
		else if(fileNames_.size())
		{
			lastName = *fileNames_.rbegin();
			endOfDir = true;
		}
		fileNames_.clear();
#ifdef WIN32
		WIN32_FIND_DATA fileInformation;
	#ifdef UNICODE
		wchar_t * pathAll = createWCharFromChar((path_+"\\*").c_str());
		HANDLE hFile  = ::FindFirstFile(pathAll, &fileInformation);
		delete [] pathAll;
	#else
		HANDLE hFile  = ::FindFirstFile((path_+"\\*").c_str(), &fileInformation);
	#endif
		if(hFile != INVALID_HANDLE_VALUE)
		{
			do
			{
	#ifdef UNICODE
				char * fileName = createCharFromWChar(fileInformation.cFileName);
				fileNames_.push_back(fileName);
				delete [] fileName;
	#else
				fileNames_.push_back(fileInformation.cFileName);
	#endif
			} while(::FindNextFile(hFile, &fileInformation) == TRUE);
			::FindClose(hFile);
			std::vector<std::string> vFileNames = uListToVector(fileNames_);
			std::sort(vFileNames.begin(), vFileNames.end(), sortCallback);
			fileNames_ = uVectorToList(vFileNames);
		}
#else
		int nameListSize;
		struct dirent ** nameList = 0;
		nameListSize =	scandir(path_.c_str(), &nameList, 0, sortCallback);
		if(nameList && nameListSize>0)
		{
			for (int i=0;i<nameListSize;++i)
			{
				fileNames_.push_back(nameList[i]->d_name);
				free(nameList[i]);
			}
			free(nameList);
		}
#endif

		//filter extensions...
		std::list<std::string>::iterator iter = fileNames_.begin();
		bool valid;
		while(iter!=fileNames_.end())
		{
			valid = false;
			if(extensions_.size() == 0 &&
			   iter->compare(".") != 0 &&
			   iter->compare("..") != 0)
			{
				valid = true;
			}
			for(unsigned int i=0; i<extensions_.size(); ++i)
			{
				if(UFile::getExtension(*iter).compare(extensions_[i]) == 0)
				{
					valid = true;
					break;
				}
			}
			if(!valid)
			{
				iter = fileNames_.erase(iter);
			}
			else
			{
				++iter;
			}
		}
		iFileName_ = fileNames_.begin();
		if(!lastName.empty())
		{
			bool found = false;
			for(std::list<std::string>::iterator iter=fileNames_.begin(); iter!=fileNames_.end(); ++iter)
			{
				if(lastName.compare(*iter) == 0)
				{
					found = true;
					iFileName_ = iter;
					break;
				}
			}
//.........这里部分代码省略.........

static int scan_sys_cache_info (void) {
	long page_size = sysconf (_SC_PAGESIZE);
	if (page_size <= 0) {
		error (0, errno, "unable to get pagesize");
		return -1;
	}

	/* versionsort sort by index number */
	struct dirent ** list;
	int nb_dir = scandir (SYSPATH, &list, scandir_filter, alphasort);
	if (nb_dir < 0) {
		error (0, errno, "scandir(%s)", SYSPATH);
		return -1;
	}

	// alloc table (will set found to 0)
	caches = calloc (nb_dir, sizeof (struct cache_info));
	if (caches == NULL)
		error (EXIT_FAILURE, errno, "calloc");
	nb_cache_levels = nb_dir;

	for (int i = 0; i < nb_dir; i++) {
		const char * d = list[i]->d_name;
		int ok;
		char buf[BUF_SIZE];
		struct cache_info cinfo;

		// ensure type includes Data
		if (read_sys_cache_file (d, "type", buf) == -1)
			continue;
		if (strcmp (buf, "Data") == 0)
		  cinfo.type = "Data";
		else if (strcmp (buf, "Unified") == 0)
			cinfo.type = "Unified";
		else
			continue;

		// read size, assoc, level
		if (read_sys_cache_file (d, "size", buf) == -1)
			continue;
		cinfo.size = str2size (buf, &ok); 
		if (!(ok && cinfo.size > 0))
			continue;

		if (read_sys_cache_file (d, "ways_of_associativity", buf) == -1)
			continue;
		cinfo.assoc = checked_strtoul (buf, &ok, NULL);
		if (! (ok && cinfo.assoc > 0))
			continue;

		if (read_sys_cache_file (d, "level", buf) == -1)
			continue;
		int level = checked_strtoul (buf, &ok, NULL);
		if (! (ok && level < nb_cache_levels))
			continue;

		cinfo.nb_colors = cinfo.size / (page_size * cinfo.assoc);
		cinfo.found = 1;
		caches[level] = cinfo;
	}
	return 0;
}

    return -1;
  }

  int db_files_select(const struct dirent *file) {
    int i;
    for (i = 0; db_name[i]; i++) if (db_name[i] != file->d_name[i]) return 0;

    while (1) switch (file->d_name[i]) {
      case '\0': return 1;
      case '0' ... '9': i++;
        continue;
      default: return 0;
    }
  }

  int ret = scandir (dir, files, db_files_select, db_files_sort);
  pthread_mutex_unlock(&mutex);
  return ret;
}


/// Projde databázi a opraví atributy typu Pointer z id uzlů na pointery.
static void fix_pointers(Database *D, IdToNode *nodes) {
  ndictFor(var, nodes) {
    Node *node = var->value;

    node_get_type(node)->init_pointers(nodes, node);
  } ndictForEnd;
}

static LIST* create_list_from_dir(char *dir) {
    DIR *dir_p;
    G_GAME_LIST *t;
    struct dirent *dirent_p;
    char filename[strlen(dir)+256];
    LIST *l=NULL;
    struct stat filestat;
    struct DIRENT **namelist;
    int nbf, i;
/*
    if (dir[strlen(dir)-1]=='/')
	dir[strlen(dir)-1]=0;
*/
 
    if ((nbf = scandir(dir, &namelist, NULL/*game_selection*/, my_alphasort )) != -1) {
		for (i = 0; i < nbf; i++) {
#ifdef __QNXNTO__
			if (strcmp(namelist[i]->d_name, "..") == 0)
				continue;
			else if (strcmp(namelist[i]->d_name, ".") == 0)
				continue;
			else if (stricmp(namelist[i]->d_name, "romrc.d") == 0)
				continue;
			else if (stricmp(namelist[i]->d_name, "shots") == 0)
				continue;
#endif
			sprintf(filename, "%s/%s", dir, namelist[i]->d_name);
			lstat(filename, &filestat);
			if (S_ISDIR(filestat.st_mode))
			{
				t=malloc(sizeof(G_GAME_LIST));
				t->dir=malloc(strlen(namelist[i]->d_name)*sizeof(char)+2);
				sprintf(t->dir,"%s",namelist[i]->d_name);
				t->dr=NULL;
				t->file=NULL;
				l=list_prepend(l,t);
			}
			else if (game_only==SDL_TRUE)
			{
				DRIVER *dr;
				if ((dr=get_driver_for_zip(filename))!=NULL)
				{
					t=malloc(sizeof(G_GAME_LIST));
					t->dir=NULL;
					t->file=strdup(namelist[i]->d_name);
					t->dr=dr;
					l=list_prepend(l,t);
					//printf("GAME %s\n",t->dr->longname);
				}
			}
			else
			{
				t=malloc(sizeof(G_GAME_LIST));
				t->file=strdup(namelist[i]->d_name);
				t->dir=NULL;
				t->dr=NULL;
				l=list_prepend(l,t);
				//printf("FILE %s\n",t->file);
			}
		}
    }
    if (nbf==-1) {
	/* the dir is unreadable, we create pseudo dir . and .. */
	t=malloc(sizeof(G_GAME_LIST));
	t->dir=strdup("..");
	t->dr=NULL;
	t->file=NULL;
	l=list_prepend(l,t);

	t=malloc(sizeof(G_GAME_LIST));
	t->dir=strdup(".");
	t->dr=NULL;
	t->file=NULL;
	l=list_prepend(l,t);
    }

    return l;
}

int GetiLOGen() {
    int count = 0, k = 0;
    struct dirent ** devices;
    char *d_dir = "/sys/module/hpilo/drivers/pci:hpilo/";
    char buffer[256];
    int ilogen = 0;

    count = scandir(d_dir, &devices, pci_dev_filter, alphasort );
    for (k = 0; k < count; k++) {
        unsigned char config[256];
        int config_fd;

        strncpy(buffer, d_dir, sizeof(buffer) - 1);
        strncat(buffer, devices[k]->d_name, 255 - strlen(buffer));
        strncat(buffer, "/config", 255 - strlen(buffer));
        if ((config_fd = open(buffer, O_RDONLY)) != -1) {
            if (read(config_fd, config, 256) == 256 ) {
            /* Check for iLO3 and later */
                if ((config[45] == 0x10) && (config[44] == 0x3c)) { 
                    /* This is a HP iLO */
                    if (config[47] == 0x33) {
                        switch (config[46]) {
                            case 0x04:
                                /* It's an iLO */
                                ilogen = 0;
                                break;
                            case 0x05:
                                /* It's an iLO */
                                ilogen = 1;
                                break;
                            case 0x09:
                                /* It's either an iLO2 or iLO3 */
                                switch (config[8]) {
                                    case  3:
                                        ilogen = 2;
                                        break;
                                    case  4:
                                        ilogen = 3;
                                        break;
                                    default:
                                        ilogen = 1;
                                }
                                break;
                            case 0x0e:
                                ilogen = 3;
                                break;
                            case 0x81:
                                ilogen = 4;
                                break;
                            default:
                                ilogen = config[8] - 1;
                        }
                    } 
                }
            }
            close(config_fd);
         } 
        free(devices[k]);
    }
    free(devices);
    return ilogen;
}           

int recursive_hardlink(const char *src, const char *dst, const char *client, struct cntr *p1cntr, struct cntr *cntr, struct config *conf)
{
	int n=-1;
	int ret=0;
	struct dirent **dir;
	char *tmp=NULL;
	//logp("in rec hl: %s %s\n", src, dst);
	if(!(tmp=prepend_s(dst, "dummy", strlen("dummy"))))
		return -1;
	if(mkpath(&tmp, dst))
	{
		logp("could not mkpath for %s\n", tmp);
		free(tmp);
		return -1;
	}
	free(tmp);

	if((n=scandir(src, &dir, 0, 0))<0)
	{
		logp("recursive_hardlink scandir %s: %s\n",
			src, strerror(errno));
		return -1;
	}
	while(n--)
	{
		struct stat statp;
		char *fullpatha=NULL;
		char *fullpathb=NULL;
		if(dir[n]->d_ino==0
		  || !strcmp(dir[n]->d_name, ".")
		  || !strcmp(dir[n]->d_name, ".."))
			{ free(dir[n]); continue; }
		if(!(fullpatha=prepend_s(src,
			dir[n]->d_name, strlen(dir[n]->d_name)))
		|| !(fullpathb=prepend_s(dst,
			dir[n]->d_name, strlen(dir[n]->d_name))))
		{
			if(fullpatha) free(fullpatha);
			if(fullpathb) free(fullpathb);
			break;
		}

		if(lstat(fullpatha, &statp))
		{
			logp("could not lstat %s\n", fullpatha);
		}
		else if(S_ISDIR(statp.st_mode))
		{
			if(recursive_hardlink(fullpatha, fullpathb, client,
				p1cntr, cntr, conf))
			{
				free(fullpatha);
				free(fullpathb);
				break;
			}
		}
		else
		{
			//logp("hardlinking %s to %s\n", fullpathb, fullpatha);
			write_status(client, STATUS_SHUFFLING, fullpathb,
				p1cntr, cntr);
			if(do_link(fullpatha, fullpathb, &statp, conf,
				FALSE /* do not overwrite target */))
			{
				free(fullpatha);
				free(fullpathb);
				break;
			}
		}
		free(fullpatha);
		free(fullpathb);
		free(dir[n]);
	}
	if(n>0)
	{
		ret=-1;
		for(; n>0; n--) free(dir[n]);
	}
	free(dir);

	return ret;
}

int SDLEngine::Run(void*)
{
  std::cout << "input folder: " << input_folder << std::endl;
  bool gray = false;
  fcount = scandir(input_folder.c_str(), &filelist, ppm_select, alphasort);
  if (fcount <= 0)
  {
    fcount = scandir(input_folder.c_str(), &filelist, pgm_select, alphasort);
    gray = true;
  }
  if (fcount <= 0)
  {
    std::cout << "There are no .ppm or .pgm files in this folder! Maybe you have to convert the images first e.g. using" << std::endl
      << "  mogrify -format ppm *.jpg" << std::endl;
    return 0;
  }
  std::cout << "found " << fcount << " files" << std::endl;
  char filename[255];
  sprintf(filename, "%s/init.txt", input_folder.c_str());
  std::ifstream aStream(filename);
  if(!aStream || aStream.eof())
  {
    std::cout << "please create the file \"" << filename << "\" specifying the initial bounding box (x1,y1,x2,y2)" << std::endl;
    return 0;
  }
  char line[255];
  int x1,y1,x2,y2,imgid, width,height;
  std::vector<ObjectBox> boxes;
  while(aStream.getline(line,255))
  {
    x1 = y1 = x2 = y2 = imgid = 0;
    int i = 0;
    for(;line[i] >= '0' && line[i] <= '9'; i++)
      x1 = x1*10 + (line[i] - '0');
    for(i++;line[i] >= '0' && line[i] <= '9'; i++)
      y1 = y1*10 + (line[i] - '0');
    for(i++;line[i] >= '0' && line[i] <= '9'; i++)
      x2 = x2*10 + (line[i] - '0');
    for(i++;line[i] >= '0' && line[i] <= '9'; i++)
      y2 = y2*10 + (line[i] - '0');
    if(line[i] == ',')
      for(i++;line[i] >= '0' && line[i] <= '9'; i++)
        imgid = imgid*10 + (line[i] - '0'); 
    ObjectBox b = {(float)x1,(float)y1,(float)(x2-x1),(float)(y2-y1),imgid};
    boxes.push_back(b);
  }
  aStream.close();
    
  std::cout << "output folder: " << output_folder << std::endl;
  DIR * dir = opendir(output_folder.c_str());
  if (dir == 0)
  {
    std::cout << "\tdoes not exist -> try to create it" << std::endl;
    if(system(("mkdir "+output_folder).c_str()))
    {
      std::cout << "\t failed to create directory" << std::endl;
      return 0;
    }
  }
  closedir(dir);

  sprintf(filename, "%s/%s", input_folder.c_str(), filelist[0]->d_name);
  int z;
  unsigned char* dummy = gray ? readFromPGM<unsigned char>(filename, width, height) :
                                readFromPPM<unsigned char>(filename, width, height, z);
  delete[] dummy;
    
  // Initialize MultiObjectTLD
  MOTLDSettings s(gray ? COLOR_MODE_GRAY : COLOR_MODE_RGB);
  // s.bbMin = 18;
  MultiObjectTLD p(width, height, s);
  std::vector<ObjectBox> addBoxes;
  std::vector<ObjectBox>::iterator boxIt = boxes.begin();

  if(ivScreen != NULL)
    SDL_FreeSurface(ivScreen);
  ivScreen = SDL_SetVideoMode( width, height, 0, SDL_HWSURFACE | SDL_DOUBLEBUF); // | SDL_RESIZABLE
  SDL_WM_SetCaption("MultiObjectTLD", 0 );

  sprintf(filename, "%s/output.txt", output_folder.c_str());
  std::ofstream outStream(filename);  

  for (int i=0; i < fcount && (!MAX_FILE_NUMBER || i<MAX_FILE_NUMBER); ++i)
  {
    // first load the image
    sprintf(filename, "%s/%s", input_folder.c_str(), filelist[i]->d_name);
    int xS, yS, z;
    unsigned char* img = gray ? readFromPGM<unsigned char>(filename, xS, yS) :
                                readFromPPM<unsigned char>(filename, xS, yS, z);
    // then process it with MultiObjectTLD
    p.processFrame(img);
    
    while(boxIt != boxes.end() && boxIt->objectId == i)
    {
      addBoxes.push_back(*boxIt);
      boxIt++;
    }
    if(addBoxes.size() > 0){
      p.addObjects(addBoxes);
      addBoxes.clear();
//.........这里部分代码省略.........

int load_plugin(const char *dir, const char* plugname) {
	struct stat statbuf;
	struct dirent **namelist;
	int n, ret;
	char *full_path, full_name[264];
	DIR *plugindir;

	ret		= 0;
	full_path	= NULL;
	plugin_list	= NULL;

	if (strlen(plugname) > 265) {
		fprintf(stderr, "  Error - Plugin name exceeds maximum length of 256 charakters: %s\n", plugname);
		return(-1);
	}

	/* plugin directory must be configured */
	if (!dir) {
		fprintf(stderr, "  Error - Plugin directory not set while trying to load plugin %s.\n", plugname);
		exit(EXIT_FAILURE);
	}

	if ((plugindir = opendir(dir)) == NULL) {
		fprintf(stderr, "  Error - Unable to open plugin directory: %m.\n");
		exit(EXIT_FAILURE);
	}
	
	DEBUG_FPRINTF(stdout, "  Looking for plugin %s in %s\n", plugname, dir);
	if ((n = scandir(dir, &namelist, 0, alphasort)) < 0) {
		fprintf(stderr, "  Error - Unable to scan plugin directory: %m.\n");
		return(-1);
	} else while(n--) {
		stat(namelist[n]->d_name, &statbuf);

		/* assemble full name */
		memset(full_name, 0, 264);
		strncpy(full_name, "htm_", 4);
		strncpy(&full_name[4], plugname, strlen(plugname));
		strncpy(&full_name[4+strlen(plugname)], ".so", 3);

		if ((ret = fnmatch(full_name, namelist[n]->d_name, 0)) == 0) {
			/* found the plugin */
			if ((full_path = (char *) malloc(strlen(dir) + strlen(namelist[n]->d_name) + 2)) == NULL) {
				perror("  Error - Unable to allocate memory");
				exit(EXIT_FAILURE);
			}
			snprintf(full_path, strlen(dir)+strlen(namelist[n]->d_name)+2, "%s/%s", dir, namelist[n]->d_name);
			DEBUG_FPRINTF(stdout, "  Plugin found: %s\n", full_path);
			config_plugin(full_path);
			free(full_path);
			free(namelist[n]);
			break;
		}
		free(namelist[n]);
	}
	closedir(plugindir);
	if (ret != 0) {
		fprintf(stderr, "  Error - Unable to load plugin %s: %m.\n", full_name);
		exit(EXIT_FAILURE);
	}
	free(namelist);
	
	return(1);
}

Node::Node(string name) throw (myExceptions){
    int shmid, datagramport = -1, streamport, identifier, count;
    char folder[100];
    struct dirent **files;
    struct data *d;
    myExceptions e;
    
    if ((shmid = shmget(KEY, 200, 0666)) == -1) {
        
        shmid = shmget(KEY, 200, 0666 | IPC_CREAT);
        if ((d = (struct data*)shmat(shmid, 0, 0)) == NULL) {
            perror("attach");
            e.setmsg("Error in shared memory attachment");
            throw e;
        }
        
        d->portlist[0][0] = 10000; d->portlist[0][1] = 1;
        d->portlist[1][0] = 10002; d->portlist[1][1] = 0;
        d->portlist[2][0] = 10004; d->portlist[2][1] = 0;
        d->portlist[3][0] = 10006; d->portlist[3][1] = 0;
        d->portlist[4][0] = 10008; d->portlist[4][1] = 0;
        d->portlist[5][0] = 10010; d->portlist[5][1] = 0;
        d->portlist[6][0] = 10012; d->portlist[6][1] = 0;
        d->portlist[7][0] = 10014; d->portlist[7][1] = 0;
        d->portlist[8][0] = 10016; d->portlist[8][1] = 0;
        d->portlist[9][0] = 10018; d->portlist[9][1] = 0;
        d->port = datagramport = 10000;
        strcpy(d->name, (char*)name.c_str());
    }
    else {
        
        if ((d = (struct data*)shmat(shmid, 0, 0)) == NULL) {
            perror("attach");
            e.setmsg("Error in shared memory attachment");
            throw e;
        }
        for (int i = 0; i < 10; ++i) {
            if (d->portlist[i][1] == 0) {
                datagramport = d->portlist[i][0];
                d->portlist[i][1] = 1;
                break;
            }
        }
    }
    
    streamport = datagramport + 1;
    identifier = dohash(datagramport);
    enode = address(dohash(d->port), d->port, d->name);
    node = address(identifier, datagramport, name);
    datagram = Connect(DATAGRAM, datagramport);
    stream = Connect(STREAM, streamport);
    
    sprintf(folder, "/Users/Sabyasachee/%d", datagramport);
    strcat(folder, "shared");
    if (access(folder, F_OK) != 0) {
        if (mkdir(folder, 0777) == -1) {
            perror("mkdir");
            e.setmsg("Error in creating directory");
            throw e;
        }
    }
    
    count = scandir(folder, &files, file_select, alphasort);
    
    for (int i = 0; i < count; ++i) {
        filelist.push_back(files[i]->d_name);
    }
    state = NEW;
    shmdt(d);
    
}

int getComList(char *ttylist)
{
	int retval = 0;
	struct dirent **namelist;
	struct serial_struct serinfo;
	char devicedir[1024];
	char devfile[256];
	char driver[64];
	int n = 0, nn, fd;

	ttylist[0] = '\0';
	if ((nn = scandir(SYSDIR, &namelist, NULL, NULL)) > 0)
	{
		while (n < nn) 
		{
			if (strcmp(namelist[n]->d_name,"..") && strcmp(namelist[n]->d_name,".")) 
			{

				// Construct full absolute file path
				sprintf(devicedir, "%s%s", SYSDIR, namelist[n]->d_name);

				// Get the device driver
				get_driver(devicedir, driver);
				if (strlen(driver) > 0)
				{
					// Non empty drivers might be ok
					//printf("Device: /dev/%s, Driver: %s\n", namelist[n]->d_name, driver);
					sprintf(devfile, "/dev/%s", namelist[n]->d_name);					

					if (strstr(driver, "8250") != NULL)
					{
						// Check serial8250-devices separeately
						if ((fd = open(devfile, O_RDWR | O_NONBLOCK | O_NOCTTY)) >= 0) 
						{
							// If device open
							if (ioctl(fd, TIOCGSERIAL, &serinfo) == 0) 
							{
								// If can get get serial_info
								if (serinfo.type != PORT_UNKNOWN)
								{
									// If device type is no PORT_UNKNOWN we accept the port
									//printf("Device 8250 has port, accepted\n");
									strcat(ttylist, "|");
									strcat(ttylist, devfile);
								}
							}
							close(fd);
						}
					} 
					else
					{
						// whatever has a driver and is not serial8250 is sure good
						strcat(ttylist, "|");
						strcat(ttylist, devfile);
					}
				}
			}
			free(namelist[n]);
			n++;
		}
		free(namelist);	
	}
	return (retval);	
}

/* include a file or directory */
void include_file(YYLTYPE *yylloc, const char *name) {
  struct stat st;
  struct dirent **namelist;
  char *fn;
  int n;

  struct sourceposition *pos;

  pos = make_sourcepos(yylloc);

  if (stat(name, &st)) {
    if (errno == ENOENT &&
        (index(name, '*') != NULL || index(name, '?') != NULL ||
         index(name, '[') != NULL)) {
      /* Globbing fiesta! */
      glob_t glob_buf;
      if (glob(name, 0, NULL, &glob_buf) != 0) {
        filter_error(pos, "failed to glob \"%s\": %s", name, strerror(errno));
      } else {
        /* We go through the list of files backwards, because
         * step_into_include_file() creates a stack of all the
         * files processed and then works on them in a LIFO
         * fashion -- which would make all of our rules files
         * go backwards.  Since I can't wrap my head around
         * why that is, exactly, I'm hacking it up with
         * this instead.  Fixination appreciated.
         */
        for (n = glob_buf.gl_pathc - 1; n >= 0; n--) {
          if (stat(glob_buf.gl_pathv[n], &st)) {
            filter_error(pos, "stat failed on globbed \"%s\": %s",
                         glob_buf.gl_pathv[n], strerror(errno));
          } else if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode)) {
            if (sourcefile_push(pos, glob_buf.gl_pathv[n])) {
              filtergen_in = current_srcfile->f;
              filtergen_lineno = current_srcfile->lineno;
              // yycolumn = current_srcfile->column;
              if (!filtergen_in) {
                filter_error(pos, "failed to open %s", glob_buf.gl_pathv[n]);
              } else {
                filtergen_push_buffer_state(
                    filtergen__create_buffer(filtergen_in, YY_BUF_SIZE));
              }
            }
          }
        }
      }

      globfree(&glob_buf);
    } else {
      filter_error(pos, "stat failed on \"%s\": %s", name, strerror(errno));
    }
  } else {
    if (S_ISDIR(st.st_mode)) {
      char *b = strdup(name);
      char *base = basename(b);

      if (strcmp("/", base) == 0) {
        filter_error(pos, "cannot include / path; skipping");
        free(b);
        return;
      }
      free(b);

      if ((n = scandir(name, &namelist, NULL, alphasort)) < 0) {
        filter_error(pos, "scandir failed on \"%s\": %s", name,
                     strerror(errno));
      } else {
        while (n--) {
          /* FIXME: assumes d_name */
          if (namelist[n]->d_name[0] == '.') {
            free(namelist[n]);
            continue;
          }
          if (asprintf(&fn, "%s/%s", name, namelist[n]->d_name) < 0) {
            filter_error(
                NULL, "internal error: asprintf failed constructing pathname "
                      "for included file \"%s\"",
                namelist[n]->d_name);
            free(fn);
          } else {
            include_file(yylloc, fn);
            free(fn);
          }
          free(namelist[n]);
        }
        free(namelist);
      }
    } else {
      if (sourcefile_push(pos, name)) {
        filtergen_in = current_srcfile->f;
        filtergen_lineno = current_srcfile->lineno;
        //        yycolumn = current_srcfile->column;
        if (!filtergen_in) {
          filter_error(pos, "failed to open %s", name);
        } else {
          filtergen_push_buffer_state(
              filtergen__create_buffer(filtergen_in, YY_BUF_SIZE));
        }
      }
//.........这里部分代码省略.........

int main(
  int argc,
  char **argv
)
#endif
{
  int fd;
  int i;
  int status;
  off_t off;
  struct dirent *d_not;
  struct dirent **namelist;
  struct stat s;


  printf( "\n\n*** READDIR TEST ***\n" );

  printf( "\nchdir to the root directory\n" );
  status = chdir( "/" );
  printf( "chdir() status : %d\n\n", status );

  printf( "\nCreating a series of directories under /\n" );
  i=0;
  while ( strcmp(dnames[i], "END") != 0 )
  {
     status = mkdir( dnames[i], 0x1c0 );
     printf("Creating directory: %s      %d %d   ", dnames[i], status, errno );
     if ( errno == 0 )
        printf(" Success\n");
     else
        printf(" Failure\n");

     i++;
  }

  /*
   * Create files under many and open the directory.
   */

  printf("Create a lot of files\n");
  status = mkdir( "/many", 0x1c0 );
  status = chdir( "/many" );
  for (i = 0; i<44; i++) {
    printf("Create %s\n", many_files[i]);
    fd = open (many_files[i], O_CREAT, S_IRWXU);
    close (fd);
  }
  printf("Open /many and print the directory\n");
  directory_not = opendir( "/many" );
  printdir ( directory_not );
  d_not = readdir( directory_not );

  printf("open /b/myfile\n");
  fd = open ("/b/my_file", O_CREAT, S_IRWXU);
  rtems_test_assert( fd != -1 );
  close (fd);

  printf("scandir a file status: ");
  status = scandir(
     "/b/my_file",
     &namelist,
     select1,
     NULL
  );
  printf("%d\n", status);

  printf("Open /b/new_file\n");
  fd  = open( "/b/new_file", O_CREAT, S_IRWXU );
  rtems_test_assert( fd != -1 );

  printf("fcntl F_SETFD should return 0\n");
  status = fcntl( fd, F_SETFD, 1 );
  rtems_test_assert( status == 0 );

  printf("fcntl F_SETFD should return 1\n");
  status = fcntl( fd, F_GETFD, 1 );
  rtems_test_assert( status == 1 );

#if 0
  printf("fcntl F_DUPFD should return 0\n");
  status = fcntl( fd, F_DUPFD, 0 );
  rtems_test_assert ( status == 0 );
#else
  printf("fcntl F_DUPFD should return 0 -- skip until implemented\n");
#endif

  printf("fcntl F_GETFL returns current flags\n");
  status = fcntl( fd, F_GETFL, 1 );
  printf("fcntl F_GETFL returned 0x%x\n", status );
  rtems_test_assert( status != -1 );

  printf("fcntl F_SETFL to add O_APPEND and O_NONBLOCK\n");
  status = fcntl( fd, F_SETFL, O_APPEND|O_NONBLOCK );
  rtems_test_assert ( status != -1 );

  printf("fcntl F_GETFL return current flags to see changes\n");
  status = fcntl( fd, F_GETFL, 1 );
  printf("fcntl F_GETFL returned 0x%x\n", status );
  rtems_test_assert( status != -1 );

//.........这里部分代码省略.........

//.........这里部分代码省略.........
                                                     != cgiFormSuccess )
        int_error("Error retrieving CGI form enable end date.");

        if ( cgiFormString("rev_endtime", rev_endtime, sizeof(rev_endtime))
                                                     != cgiFormSuccess )
        int_error("Error retrieving CGI form enable end time.");

        strncat(rev_startstr, rev_startdate, sizeof(rev_startstr)-1);
        strncat(rev_startstr, " ", 1); /* add a space between date and time */
        strncat(rev_startstr, rev_starttime, sizeof(rev_startstr)-strlen(rev_startstr)-1);
        strncat(rev_endstr, rev_enddate, sizeof(rev_endstr)-1);
        strncat(rev_endstr, " ", 1); /* add a space between date and time */
        strncat(rev_endstr, rev_endtime, sizeof(rev_endstr)-strlen(rev_endstr)-1);
        snprintf(title, sizeof(title), "Search Revoked Certificates");
        snprintf(subtitle, sizeof(subtitle), "Certificates revoked between %s and %s", rev_startstr, rev_endstr);
      }
      else if (strcmp(search, "ser") == 0) {
        if ( cgiFormString("startserial", startserstr, sizeof(startserstr))
                                                     != cgiFormSuccess )
        int_error("Error retrieving CGI form start serial value.");

        if ( cgiFormString("endserial", endserstr, sizeof(endserstr))
                                                     != cgiFormSuccess )
        int_error("Error retrieving CGI form end serial value.");
        snprintf(title, sizeof(title), "Search Certs by Serial Number");
        snprintf(subtitle, sizeof(subtitle), "Certificates with serial number between %s and %s", startserstr, endserstr);
      }
      else int_error("Error CGI form retrieving a valid search type.");
    }

/* -------------------------------------------------------------------------- *
 * We got CGI arguments, first we get a list of .pem files from the cert dir  *
 * ---------------------------------------------------------------------------*/
  certcounter = scandir(CACERTSTORE, &certstore_files, file_select, hexsort);
  // It can happen that our search does not return any certs. This is not an error.
  //if(certcounter<=0) int_error("Error: No certificate files found.");

/* -------------------------------------------------------------------------- *
 * calculate how many pages we get with MAXCERTDISPLAY                         *
 * ---------------------------------------------------------------------------*/

  if(certcounter<=MAXCERTDISPLAY) pagecounter = 1;
  else {
    disp_calc = div(certcounter, MAXCERTDISPLAY);
    /* if the count of certs divided by MAXCERTDISPLAY has no remainder */
    if(disp_calc.rem == 0) pagecounter = disp_calc.quot;
    /* with a remainder, we must prepare an extra page for the rest */
    else pagecounter = disp_calc.quot +1;
  }

/* -------------------------------------------------------------------------- *
 * Check if we have been subsequently called with a pagenumber & sort request *
 * ---------------------------------------------------------------------------*/

  if(cgiFormInteger("page", &pagenumber, 1) == cgiFormSuccess)
    if(pagenumber > pagecounter || pagenumber <=0)
      int_error("Error: Page does not exist.");

  if(cgiFormString("sort", sorting, sizeof(sorting)) != cgiFormSuccess)
      strncpy(sorting, "desc", sizeof(sorting));

/* -------------------------------------------------------------------------- *
 * now we know how many certs we have in total and we can build the page(s).  *
 * For every MAXCERTDISPLAY certs we start a new page and cycle through by    *
 * calling ourself with the requested certs in range.                         *
 * ---------------------------------------------------------------------------*/

int destroy_instance_backing (ncInstance * instance, int do_destroy_files)
{
    int ret = OK;
    int total_prereqs = 0;
    char path [MAX_PATH];
    virtualMachine * vm = &(instance->params);
    
    // find and detach iSCSI targets, if any
    for (int i=0; i<EUCA_MAX_VBRS && i<vm->virtualBootRecordLen; i++) {
        virtualBootRecord * vbr = &(vm->virtualBootRecord[i]);
        if (vbr->locationType==NC_LOCATION_IQN) {
            if (disconnect_iscsi_target (vbr->resourceLocation)) {
                logprintfl(EUCAERROR, "[%s] error: failed to disconnect iSCSI target attached to %s\n", instance->instanceId, vbr->backingPath);
            } 
        }
    }

    // see if instance directory is there (sometimes startup fails before it is created)
    set_path (path, sizeof (path), instance, NULL);
    if (check_path (path))
        return ret;

    // to ensure that we are able to delete all blobs, we chown files back to 'eucalyptus'
    // (e.g., libvirt on KVM on Maverick chowns them to libvirt-qemu while
    // VM is running and then chowns them to root after termination)
    set_path (path, sizeof (path), instance, "*");
    if (diskutil_ch (path, EUCALYPTUS_ADMIN, NULL, BACKING_FILE_PERM)) {
        logprintfl (EUCAWARN, "[%s] error: failed to chown files before cleanup\n", instance->instanceId);
    }

    if (do_destroy_files) {
        char work_regex [1024]; // {userId}/{instanceId}/.*
        set_id2 (instance, "/.*", work_regex, sizeof (work_regex));

        if (blobstore_delete_regex (work_bs, work_regex) == -1) {
            logprintfl (EUCAERROR, "[%s] error: failed to remove some artifacts in %s\n", instance->instanceId, path);
        }

        // remove the known leftover files
        unlink (instance->xmlFilePath);
        unlink (instance->libvirtFilePath);
        unlink (instance->consoleFilePath);
        if (strlen (instance->floppyFilePath)) {
            unlink (instance->floppyFilePath);
        }
        set_path (path, sizeof (path), instance, "instance.checkpoint");
        unlink (path);
        for (int i=0; i < EUCA_MAX_VOLUMES; ++i) {
            ncVolume * volume = &instance->volumes[i];
            snprintf (path, sizeof (path), EUCALYPTUS_VOLUME_XML_PATH_FORMAT, instance->instancePath, volume->volumeId);
            unlink (path);
        }
        // bundle instance will leave additional files
        // let's delete every file in the directory
        struct dirent **files;
        int n = scandir(instance->instancePath, &files, 0, alphasort);
        char toDelete[MAX_PATH];
        if (n>0){
            while (n--) {
               struct dirent *entry = files[n];
               if( entry !=NULL && strncmp(entry->d_name, ".",1)!=0 && strncmp(entry->d_name, "..", 2)!=0){
                    snprintf(toDelete, MAX_PATH, "%s/%s", instance->instancePath, entry->d_name);
                    unlink(toDelete);
                    free(entry);
               }
            }
            free(files);
        }
    }
   
    // Finally try to remove the directory.
    // If either the user or our code introduced
    // any new files, this last step will fail.
    set_path (path, sizeof (path), instance, NULL);
    if (rmdir (path) && do_destroy_files) {
        logprintfl (EUCAWARN, "[%s] warning: failed to remove backing directory %s\n", instance->instanceId, path);
    }
    
    return ret;
}

/**
 * Return number of log files in a dir and the name of the oldest file.
 * @param indata, see gnolfh_in_t
 * @param outdata, char *oldest_file
 * @param max_outsize, Max size for oldest_file string
 * 
 * @return int, number of logfiles or -1 if error
 */
int get_number_of_log_files_hdl(void *indata, void *outdata, size_t max_outsize)
{
	struct dirent **namelist;
	int n, old_date = -1, old_time = -1, old_ind = -1, files, i, failed = 0;
	char path[PATH_MAX];
	gnolfh_in_t *params_in;
	char *oldest_file;
	int rc = 0;
	
	TRACE_ENTER();
	
	params_in = (gnolfh_in_t *) indata;
	oldest_file = (char *) outdata;
	
	/* Initialize the filter */
	n = snprintf(file_prefix, SA_MAX_NAME_LENGTH, "%s", params_in->file_name);
	if (n >= SA_MAX_NAME_LENGTH) {
		rc = -1;
		LOG_WA("file_prefix > SA_MAX_NAME_LENGTH");
		goto done_exit;
	}

	n = snprintf(path, PATH_MAX, "%s/%s",
			params_in->logsv_root_dir, params_in->pathName);
	if (n >= PATH_MAX) {
		LOG_WA("path > PATH_MAX");
		rc = -1;
		goto done_exit;
	}

	files = n = scandir(path, &namelist, filter_func, alphasort);
	if (n == -1 && errno == ENOENT) {
		rc = 0;
		goto done_exit;
	}

	if (n < 0) {
		LOG_WA("scandir:%s - %s", strerror(errno), path);
		rc = -1;
		goto done_exit;
	}
	
	if (n == 0) {
		rc = files;
		goto done_exit;
	}

	while (n--) {
		TRACE_3("%s", namelist[n]->d_name);
		if (check_oldest(namelist[n]->d_name, params_in->file_name,
				 strlen(params_in->file_name), &old_date, &old_time)) {
			old_ind = n;
		} else {
			failed++;	/* wrong format */
		}
	}
	if (old_ind != -1) {
		TRACE_1("oldest: %s", namelist[old_ind]->d_name);
		n = snprintf(oldest_file, max_outsize, "%s/%s",
				path, namelist[old_ind]->d_name);
		if (n >= max_outsize) {
			LOG_WA("oldest_file > max_outsize");
			rc = -1;
			goto done_free;
		} else {
			rc = (files - failed);
		}
	} else {
		TRACE("Only file/files with wrong format found");
	}

done_free:
	/* Free scandir allocated memory */
	for (i = 0; i < files; i++)
		free(namelist[i]);
	free(namelist);

done_exit:	
	TRACE_LEAVE();
	return rc;
}