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/* Copyright (c) 2018, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/**
* \file address_set.h
* \brief Types to handle sets of addresses.
*
* This module was first written on a semi-emergency basis to improve the
* robustness of the anti-DoS module. As such, it's written in a pretty
* conservative way, and should be susceptible to improvement later on.
**/
#ifndef TOR_ADDRESS_SET_H
#define TOR_ADDRESS_SET_H
#include "orconfig.h"
#include "torint.h"
/**
* An address_set_t represents a set of tor_addr_t values. The implementation
* is probabilistic: false negatives cannot occur but false positives are
* possible.
*/
typedef struct address_set_t address_set_t;
struct tor_addr_t;
address_set_t *address_set_new(int max_addresses_guess);
void address_set_free(address_set_t *set);
void address_set_add(address_set_t *set, const struct tor_addr_t *addr);
void address_set_add_ipv4h(address_set_t *set, uint32_t addr);
int address_set_probably_contains(address_set_t *set,
const struct tor_addr_t *addr);
#endif
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