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/* Copyright (c) 2018-2020, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/**
* \file digestset.h
* \brief Types to handle sets of digests, based on bloom filters.
**/
#ifndef TOR_DIGESTSET_H
#define TOR_DIGESTSET_H
#include "orconfig.h"
#include "lib/cc/torint.h"
#include "lib/container/bloomfilt.h"
/**
* An digestset_t represents a set of 20-byte digest values. The
* implementation is probabilistic: false negatives cannot occur but false
* positives are possible.
*/
typedef struct bloomfilt_t digestset_t;
digestset_t *digestset_new(int max_addresses_guess);
#define digestset_free(set) bloomfilt_free(set)
void digestset_add(digestset_t *set, const char *addr);
int digestset_probably_contains(const digestset_t *set,
const char *addr);
#endif /* !defined(TOR_DIGESTSET_H) */
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