C++ (Cpp) mkdir_for_file Examples

Example #1

File: mod_cache_disk_etag.c Project: Aivaras/lighttpd2

static gboolean cache_etag_file_start(liVRequest *vr, cache_etag_file *cfile) {
	cfile->tmpfilename = g_string_sized_new(cfile->filename->len + 7);
	g_string_append_len(cfile->tmpfilename, GSTR_LEN(cfile->filename));
	g_string_append_len(cfile->tmpfilename, CONST_STR_LEN("-XXXXXX"));

	if (!mkdir_for_file(vr, cfile->tmpfilename->str)) {
		return FALSE;
	}

	errno = 0; /* posix doesn't define any errors */
	if (-1 == (cfile->fd = mkstemp(cfile->tmpfilename->str))) {
		VR_ERROR(vr, "Couldn't create cache tempfile '%s': %s", cfile->tmpfilename->str, g_strerror(errno));
		return FALSE;
	}
#ifdef FD_CLOEXEC
	fcntl(cfile->fd, F_SETFD, FD_CLOEXEC);
#endif
	return TRUE;
}

Example #2

File: noit_mkdir.c Project: Icarus-xx/reconnoiter

int mkdir_for_file(const char *file, mode_t m) {
  char path[PATH_MAX], *eos;
  int rv, len = strlen(file);

  if(len == 0) {
    errno = ENOENT;
    return -1;
  }
  strlcpy(path, file, sizeof(path));
  eos = path + len - 1;
  while(eos > path && *eos != '/') eos--;
  if(eos == path) {
    errno = ENOENT;
    return -1;
  }
  *eos = '\0';
  rv = mkdir(path, m);
  if(rv == 0 || errno == EEXIST) return 0;
  if(errno == ENOENT) if(mkdir_for_file(path, m) != 0) return -1;
  rv = mkdir(path, m);
  if(rv < 0 && errno == EEXIST) rv = 0;
  return rv;
}

Example #3

File: stratcon_datastore.c Project: flyerman/reconnoiter

static interim_journal_t *
interim_journal_get(struct sockaddr *remote, const char *remote_cn_in,
                    int storagenode_id, const char *fqdn_in) {
  void *vhash, *vij;
  mtev_hash_table *working_set;
  interim_journal_t *ij;
  struct timeval now;
  char jpath[PATH_MAX];
  char remote_str[128];
  const char *remote_cn = remote_cn_in ? remote_cn_in : "default";
  const char *fqdn = fqdn_in ? fqdn_in : "default";

  mtev_convert_sockaddr_to_buff(remote_str, sizeof(remote_str), remote);
  if(!*remote_str) strlcpy(remote_str, "default", sizeof(remote_str));

  /* Lookup the working set */
  if(!mtev_hash_retrieve(&working_sets, remote_cn, strlen(remote_cn), &vhash)) {
    working_set = calloc(1, sizeof(*working_set));
    mtev_hash_store(&working_sets, strdup(remote_cn), strlen(remote_cn),
                    working_set);
  }
  else
    working_set = vhash;

  /* Lookup the interim journal within the working set */
  if(!mtev_hash_retrieve(working_set, fqdn, strlen(fqdn), &vij)) {
    ij = calloc(1, sizeof(*ij));
    gettimeofday(&now, NULL);
    snprintf(jpath, sizeof(jpath), "%s/%s/%s/%d/%08x%08x.tmp",
             basejpath, remote_str, remote_cn, storagenode_id,
             (unsigned int)now.tv_sec, (unsigned int)now.tv_usec);
    ij->remote_str = strdup(remote_str);
    ij->remote_cn = strdup(remote_cn);
    ij->fqdn = fqdn_in ? strdup(fqdn_in) : NULL;
    ij->storagenode_id = storagenode_id;
    ij->filename = strdup(jpath);
    ij->fd = open(ij->filename, O_RDWR | O_CREAT | O_EXCL, 0640);
    if(ij->fd < 0 && errno == ENOENT) {
      if(mkdir_for_file(ij->filename, 0750)) {
        mtevL(noit_error, "Failed to create dir for '%s': %s\n",
              ij->filename, strerror(errno));
        exit(-1);
      }
      ij->fd = open(ij->filename, O_RDWR | O_CREAT | O_EXCL, 0640);
    }
    if(ij->fd < 0 && errno == EEXIST) {
      /* This can only occur if we crash after before checkpointing */
      unlink(ij->filename);
      ij->fd = open(ij->filename, O_RDWR | O_CREAT | O_EXCL, 0640);
    }
    if(ij->fd < 0) {
      mtevL(noit_error, "Failed to open interim journal '%s': %s\n",
            ij->filename, strerror(errno));
      exit(-1);
    }
    mtev_hash_store(working_set, strdup(fqdn), strlen(fqdn), ij);
  }
  else
    ij = vij;

  return ij;
}