C++ create_dir函数代码示例

void *
worker(void *args)
{
    int id = (long) args;
    int l1n, l2n, l3n;
    char dirname[1024];

    affinity_set(id);

    sprintf(dirname, "%s%d", PATH_PREFIX, id);
    create_dir(dirname);
    
    for (l1n = 0; l1n < NR_SUBDIRS; l1n++) {
        sprintf(dirname, "%s%d/%d", PATH_PREFIX, id, l1n);
        create_dir(dirname);
        for (l2n = 0; l2n < NR_SUBDIRS; l2n++) {
            sprintf(dirname, "%s%d/%d/%d", PATH_PREFIX, id, l1n, l2n);
            create_dir(dirname);
            for (l3n = 0; l3n < NR_SUBDIRS; l3n++) {
                sprintf(dirname, "%s%d/%d/%d/%d", PATH_PREFIX, id, l1n, l2n, l3n);
                create_dir(dirname);
            }
        }
    }

    return NULL;
}

static char *
_get_log_filename(const char * const other, const char * const login,
    GDateTime *dt, gboolean create)
{
    gchar *chatlogs_dir = files_get_chatlog_dir();
    GString *log_file = g_string_new(chatlogs_dir);
    g_free(chatlogs_dir);

    gchar *login_dir = str_replace(login, "@", "_at_");
    g_string_append_printf(log_file, "/%s", login_dir);
    if (create) {
        create_dir(log_file->str);
    }
    free(login_dir);

    gchar *other_file = str_replace(other, "@", "_at_");
    g_string_append_printf(log_file, "/%s", other_file);
    if (create) {
        create_dir(log_file->str);
    }
    free(other_file);

    gchar *date = g_date_time_format(dt, "/%Y_%m_%d.log");
    g_string_append(log_file, date);

    char *result = strdup(log_file->str);
    g_string_free(log_file, TRUE);

    return result;
}

static void test_getNextInTree_UriList_RootWithOnlyThreeDirs() {
    // No before!

    create_dir(testdir_path, "");
    create_dir(testdir_path, "/apa");
    create_dir(testdir_path, "/bepa");
    create_dir(testdir_path, "/cepa");

    GSList *uri_list = NULL;
    uri_list = add_path_to_list(uri_list, testdir_path, "/bepa.png");
    uri_list = add_path_to_list(uri_list, testdir_path, "/cepa.jpg");

    GError *error = NULL;
    GNode *tree = create_tree_from_uri_list(uri_list, TRUE, TRUE, NULL, NULL, &error);
    assert_error_is_null(error);
    free(error);
    g_slist_free_full(uri_list, free);

    assert_trees_equal("Get Next ─ Uri List ─ Input is Root with only three dirs", tree, get_next_in_tree(tree));
    assert_trees_equal("Get First ─ Uri List ─ Input is Root with only three dirs", tree, get_first_in_tree(tree));
    assert_trees_equal("Get Last ─ Uri List ─ Input is Root with only three dirs", tree, get_last_in_tree(tree));
    free_whole_tree(tree);

    after();
}

void
System::init_directories()
{
  if (userdir.empty())
    userdir = find_userdir();

  std::string statdir  = get_userdir();

  create_dir(statdir);

  // FIXME: We need a better seperation between user created levels,
  // FIXME: third party levels and levels from the base distri
  create_dir(statdir + "levels/");
  create_dir(statdir + "levels/dist");
  create_dir(statdir + "themes/");

  // Savegames (FIXME: rename to savegames/?)
  create_dir(statdir + "savegames/");

  // User created images
  create_dir(statdir + "images/");

  // Thumbnail cache
  create_dir(statdir + "cache/");

  // Recorded demos will per default be writen in this directory
  create_dir(statdir + "demos/");

  // User created images
  create_dir(statdir + "backup/");

  // Screenshots will be dumped to that directory:
  create_dir(statdir + "screenshots/");
}

/* Walk along a path, making sure that all directories in that path exist,
 * creating them if necessary.
 */
static int create_path(pool *p, const char *path, const char *user,
    uid_t dir_uid, gid_t dir_gid, mode_t dir_mode,
    uid_t dst_uid, gid_t dst_gid, mode_t dst_mode) {
  char *currpath = NULL, *tmppath = NULL;
  struct stat st;

  pr_fs_clear_cache();
  if (pr_fsio_stat(path, &st) == 0) {
    /* Path already exists, nothing to be done. */
    errno = EEXIST;
    return -1;
  }

  pr_event_generate("core.create-home", user);

  /* The special-case values of -1 for dir UID/GID mean that the destination
   * UID/GID should be used for the parent directories.
   */

  if (dir_uid == (uid_t) -1) {
    dir_uid = dst_uid;
  }

  if (dir_gid == (gid_t) -1) {
    dir_gid = dst_gid;
  }

  pr_trace_msg(trace_channel, 5, "creating home directory '%s' for user '%s'",
    path, user);
  pr_log_debug(DEBUG3, "creating home directory '%s' for user '%s'", path,
    user);
  tmppath = pstrdup(p, path);

  currpath = "/";
  while (tmppath && *tmppath) {
    char *currdir = strsep(&tmppath, "/");
    currpath = pdircat(p, currpath, currdir, NULL);

    /* If tmppath is NULL, we are creating the last part of the path, so we
     * use the configured mode, and chown it to the given UID and GID.
     */
    if (tmppath == NULL ||
        (*tmppath == '\0')) {
      create_dir(currpath, dst_uid, dst_gid, dst_mode);

    } else { 
      create_dir(currpath, dir_uid, dir_gid, dir_mode);
    }

    pr_signals_handle();
  }

  pr_trace_msg(trace_channel, 5, "home directory '%s' created", path);
  pr_log_debug(DEBUG3, "home directory '%s' created", path);
  return 0;
}

int
main(void)
{
    int cmd, ret;

    vfs_init(&vfs);

    // Set up filesystem
    create_dir(&vfs, "/etc");
    crond = create_dir(&vfs, "/etc/crond");
    create_dir(&vfs, "/home");
    pwd = create_dir(&vfs, "/home/user");
    pwd->owner = USER_UID;

    while (1) {
        // Simulate a period cron job

        do_cron();

        if (read_all(STDIN, &cmd, sizeof(cmd)) != sizeof(cmd))
            continue;

        if (cmd == -1)
            break;

        switch (cmd) {
        case CD:
            ret = do_cd();
            break;
        case READ:
            ret = do_read();
            break;
        case WRITE:
            ret = do_write();
            break;
        case LN:
            ret = do_ln();
            break;
        case RM:
            ret = do_rm();
            break;
        default:
            continue;
        }

        write_all(STDOUT, &ret, sizeof(ret));
    }

    vfs_destroy(&vfs);

    return 0;
}

int
main(int argc, char *argv[])
{
  int i;

  if (argc <= 0 || !argv[0]) {
    fprintf(stderr, "invalid program name\n");
    return 1;
  }
  program_name = os_GetLastname(argv[0]);
  get_program_dir(argv[0]);

  for (i = 1; i < argc; ++i) {
    if (!strcmp(argv[i], "--version")) {
      print_version();
    } else if (!strcmp(argv[i], "--help")) {
      print_help();
    } else {
      die("invalid option: %s", argv[i]);
    }
  }

  get_config_file();
  parse_config();
  create_dir();
  do_loop();

  return 0;
}

int64_t copy_file_to_file(const char *input, const char *output)
{
	int in = open(input, O_RDONLY);
	if (in == -1)
		return -1;

	struct stat info;
	if (fstat(in, &info) == -1) {
		close(in);
		return -1;
	}

	int out = open(output, O_WRONLY|O_CREAT|O_TRUNC, info.st_mode);
	if (out == -1 && errno == ENOTDIR) {
		char dir[PATH_MAX];
		path_dirname(output, dir);
		if (create_dir(dir, S_IRWXU)) {
			out = open(output, O_WRONLY|O_CREAT|O_TRUNC, info.st_mode);
		}
	}
	if (out == -1) {
		close(in);
		return -1;
	}

	int64_t total = copy_fd_to_fd(in, out);

	close(in);
	close(out);

	return total;
}

int
main(int argc, char **argv)
{
    pid_t pid[32], p;
    int i;
    uint64_t start, end, usec;

    printf("Create directories...\n");
    start = read_tsc();
    create_dir(PATH_PREFIX);
    for (i = 0; i < nr_threads; i++) {
        p = fork();
        if (p == 0) {
            worker((void *) (long) i);
            exit(0);
        }
        pid[i] = p;
    }

    for (i = 0; i < nr_threads; i++) {
        waitpid(pid[i], NULL, 0);
    }
    
    end = read_tsc();
    usec = (end - start) * 1000000 / get_cpu_freq();
    printf("usec: %ld\t\n", usec);

    printf("Cleanup directories...\n");
    /* system("rm -rf /tmp/_dirs"); */
    
    return 0;
}

/* Create a directory, including parent directories as necessary. */
void
create_dir(char *pathname, int mode)
{
    if (pathname != NULL) {
        
        char *p;
        int r;
        
        /* Strip trailing '/' */
        if (pathname[strlen(pathname) - 1] == '/')
            pathname[strlen(pathname) - 1] = '\0';
        
        /* Try creating the directory. */
        r = mkdir(pathname, mode);
        
        if (r != 0 && errno != EEXIST) {
            /* On failure, try creating parent directory. */
            p = strrchr(pathname, '/');
            if (p != NULL) {
                *p = '\0';
                create_dir(pathname, 0755);
                *p = '/';
                r = mkdir(pathname, mode);
            }
        }
        if (r != 0 && errno != EEXIST)
            fprintf(stderr, "ERROR CREATING DIRECTORY %s\n", pathname);
        
    }
}

int main (int argc, char **argv)
{
  char * out_dir;
  char out_file[128];
  int i;
  seek_table_type table;
  fas_error_type video_error;
  fas_context_ref_type context, seek_context;

  cmdname = argv[0];

  if (argc < 3) {
    show_help();
    fail("arguments\n");
  }

  table = read_table_file(argv[2]);
  if (table.num_entries == 0)
    fail("bad table\n");

  fas_initialize (FAS_FALSE, FAS_RGB24);

  video_error = fas_open_video (&context, argv[1]);
  if (video_error != FAS_SUCCESS)    fail("fail on open\n");

  video_error = fas_put_seek_table(context, table);
  if (video_error != FAS_SUCCESS)    fail("fail on put_seek_table\n");

  video_error = fas_open_video (&seek_context, argv[1]);
  if (video_error != FAS_SUCCESS)    fail("fail on open\n");


  if (argc >= 4) {
    out_dir = argv[3];
    create_dir(out_dir);
  } else {
    out_dir = ".";
  }

  for(i=0;i<table.num_entries;i++)
    {
      fas_raw_image_type image_buffer;
      //      int frame_index = table.array[table.num_entries - i - 1].display_index;
      int frame_index = table.array[i].display_index;
      if (FAS_SUCCESS != fas_seek_to_frame(context, frame_index))
	fail("failed on seek");

      if (FAS_SUCCESS != fas_get_frame (context, &image_buffer))
	fail("failed on rgb image\n");

      sprintf(out_file, "%s/frame_%04d.ppm", out_dir, frame_index);

      fprintf(stderr, "Writing %s (seek_table_value=%d frame_index=%d)\n", out_file, frame_index, fas_get_frame_index(context));
      ppm_save(&image_buffer, out_file);

      fas_free_frame (image_buffer);
    }

  success();
}

int readFileList(char *basePath, int dir_id) {
	DIR *dir;
	struct dirent *ptr;
	char base[1000];

	if ((dir=opendir(basePath)) == NULL) {
		return 0;
	}

	while ((ptr=readdir(dir)) != NULL) {
		if(strcmp(ptr->d_name,".")==0 || strcmp(ptr->d_name,"..")==0)    //current dir OR parrent dir
			continue;
		memset(base,'\0',sizeof(base));
		strcpy(base,basePath);
		strcat(base,"/");
		strcat(base,ptr->d_name);
		if(ptr->d_type == 8) {   //file
			create_file(base, dir_id);
//			printf("%s/%s  :  %lld %ld\n",basePath, ptr->d_name, size, ptr->d_ino);
		}
		else if(ptr->d_type == 4) {    //dir
			dir_tot ++;
			int tmp = readFileList(base, dir_tot);

			strcpy(d[dir_id].entry[c[dir_id]].filename, ptr->d_name);
			d[dir_id].entry[c[dir_id]].inode_off = tot;
			c[dir_id] ++;
			
			create_dir(tmp);
		}
	}
	closedir(dir);
	return dir_id;
}

static int init() {
    struct stat fstatus;
    struct group *group;
    cp_string logfile;
    
    _set_defaults();

    umask(0077);
    
    group=getgrnam(conf.grp);
    if (group) {
        setgid(group->gr_gid);
        log_event(CPDEBUG, "switching to new gid", conf.grp);
    } else {
        log_event(CPERROR, "Grp not found", conf.grp);
        return 1;
    }

    /* we always use a log file */
    
    if (stat(conf.log, &fstatus) || !S_ISDIR(fstatus.st_mode)) {
        if (create_dir(conf.log, 1)) 
            return 1;
        if (chmod(conf.log, 0700))
            return 1;
    }
    snprintf(logfile,BUFSIZE,"%s%s",conf.log,"/pdfwriter_log");
    logfp=fopen(logfile, "a");

    return 0;
}

static int batch_submit( void * instance_struct, struct batch_task *t){
	struct archive_instance *a = (struct archive_instance*)instance_struct;
	int rc = MAKEFLOW_HOOK_SUCCESS;
	// Generates a hash id for the task
	char *id = batch_task_generate_id(t);
	char *task_path = string_format("%s/tasks/%.2s/%s",a->dir, id, id);
	create_dir(task_path,0777);
	debug(D_MAKEFLOW_HOOK, "Checking archive for task %d at %.5s\n", t->taskid, id);
	if(a->s3){
		int result = 1;
		result = makeflow_s3_archive_copy_task_files(a, id, task_path, t);
		if(!result){
			debug(D_MAKEFLOW_HOOK, "unable to copy task files for task %s  from S3 bucket",id);
		}

	}

	// If a is in read mode and the archive is preserved (all the output files exist)
	if(a->read && makeflow_archive_is_preserved(a, t, task_path)){
		debug(D_MAKEFLOW_HOOK, "Task %d already exists in archive, replicating output files\n", t->taskid);

		/* copy archived files to working directory and update state for node and dag_files */
		makeflow_archive_copy_preserved_files(a, t, task_path);
		t->info->exited_normally = 1;
		a->found_archived_job = 1;
		printf("task %d was pulled from archive\n", t->taskid);
		rc = MAKEFLOW_HOOK_SKIP;
	}

	free(id);
	free(task_path);
	return rc;
}

/* Create a directory, including parent directories as necessary. */
static void
create_dir(char *pathname, int mode)
{
	char *p;
	int r;

	/* Strip trailing '/' */
	if (pathname[strlen(pathname) - 1] == '/')
		pathname[strlen(pathname) - 1] = '\0';

	/* Try creating the directory. */
	r = mkdir(pathname, mode);

	if (r != 0) {
		/* On failure, try creating parent directory. */
		p = strrchr(pathname, '/');
		if (p != NULL) {
			*p = '\0';
			create_dir(pathname, 0755);
			*p = '/';
			r = mkdir(pathname, mode);
		}
	}
	if (r != 0)
		fprintf(stderr, "Could not create directory %s\n", pathname);
}