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
{
uint32_t filled;
uint32_t i;
- uint32_t bucket = key.key_val & 0xFFFFFFFF;
+ uint32_t bucket;
+ bucket = GNUNET_CRYPTO_crc32_n (&key, sizeof key);
for (i = 0, filled=0; filled < ibf->hash_num; i++)
{
unsigned int j;
/**
- * 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
/* copy counts */
count_dst = (struct IBF_Count *) key_hash_dst;
memcpy (count_dst, ibf->count + start, count * sizeof *count_dst);
- count_dst += count;
}
/* copy counts */
count_src = (struct IBF_Count *) key_hash_src;
memcpy (ibf->count + start, count_src, count * sizeof *count_src);
- count_src += count;
}