/*
This file is part of GNUnet
- (C) 2012 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2012 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 2, or (at your
+ by the Free Software Foundation; either version 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
/* TODO: use malloc_large */
- ibf = GNUNET_malloc (sizeof (struct InvertibleBloomFilter));
+ ibf = GNUNET_new (struct InvertibleBloomFilter);
ibf->count = GNUNET_malloc (size * sizeof (uint8_t));
ibf->key_sum = GNUNET_malloc (size * sizeof (struct IBF_Key));
ibf->key_hash_sum = GNUNET_malloc (size * sizeof (struct IBF_KeyHash));
/**
- * Insert an element into an IBF.
+ * Insert a key into an IBF.
*
* @param ibf the IBF
* @param key the element's hash code
ibf_insert_into (ibf, key, buckets, 1);
}
+
+/**
+ * Remove a key from an IBF.
+ *
+ * @param ibf the IBF
+ * @param key the element's hash code
+ */
+void
+ibf_remove (struct InvertibleBloomFilter *ibf, struct IBF_Key key)
+{
+ int buckets[ibf->hash_num];
+ GNUNET_assert (ibf->hash_num <= ibf->size);
+ ibf_get_indices (ibf, key, buckets);
+ ibf_insert_into (ibf, key, buckets, -1);
+}
+
+
/**
* Test is the IBF is empty, i.e. all counts, keys and key hashes are zero.
*/
/**
* Write buckets from an ibf to a buffer.
* Exactly (IBF_BUCKET_SIZE*ibf->size) bytes are written to buf.
- *
+ *
* @param ibf the ibf to write
* @param start with which bucket to start
* @param count how many buckets to write