- bf->fh = GNUNET_DISK_file_open (filename, GNUNET_DISK_OPEN_READWRITE
- | GNUNET_DISK_OPEN_CREATE,
- GNUNET_DISK_PERM_USER_READ |
- GNUNET_DISK_PERM_USER_WRITE);
- if (NULL == bf->fh)
- {
- GNUNET_free (bf);
- return NULL;
- }
- bf->filename = GNUNET_strdup (filename);
+ GNUNET_DISK_file_close (bf->fh);
+ GNUNET_free (bf);
+ return NULL;
+ }
+ if (fsize == 0)
+ {
+ /* found existing empty file, just overwrite */
+ if (GNUNET_OK != make_empty_file (bf->fh, size * 4LL))
+ {
+ GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING,
+ "write");
+ GNUNET_DISK_file_close (bf->fh);
+ GNUNET_free (bf);
+ return NULL;
+ }
+ }
+ else if (fsize != size * 4LL)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Size of file on disk is incorrect for this Bloom filter (want %llu, have %llu)\n"),
+ (unsigned long long) (size * 4LL),
+ (unsigned long long) fsize);
+ GNUNET_DISK_file_close (bf->fh);
+ GNUNET_free (bf);
+ return NULL;