/*
  Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
  This file is part of GlusterFS.

  This file is licensed to you under your choice of the GNU Lesser
  General Public License, version 3 or any later version (LGPLv3 or
  later), or the GNU General Public License, version 2 (GPLv2), in all
  cases as published by the Free Software Foundation.
*/

#ifndef _TRIE_H_
#define _TRIE_H_

struct trienode;
typedef struct trienode trienode_t;

struct trie;
typedef struct trie trie_t;

struct trienodevec {
    trienode_t **nodes;
    unsigned cnt;
};

trie_t *
trie_new();

int
trie_add(trie_t *trie, const char *word);

void
trie_destroy(trie_t *trie);

void
trie_destroy_bynode(trienode_t *node);

int
trie_measure(trie_t *trie, const char *word, trienode_t **nodes, int nodecnt);

int
trie_measure_vec(trie_t *trie, const char *word, struct trienodevec *nodevec);

void
trie_reset_search(trie_t *trie);

int
trienode_get_dist(trienode_t *node);

int
trienode_get_word(trienode_t *node, char **buf);

#endif