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/* Chrysalide - Outil d'analyse de fichiers binaires
* fnv1a.h - prototypes pour l'implémentaton du calcul rapide d'empreintes de chaînes
*
* Copyright (C) 2012-2024 Cyrille Bagard
*
* This file is part of Chrysalide.
*
* Chrysalide 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 3 of the License, or
* (at your option) any later version.
*
* Chrysalide is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Chrysalide. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _COMMON_FNV1A_H
#define _COMMON_FNV1A_H
#include <stdbool.h>
#include <stdint.h>
#include <sys/types.h>
/**
* Plus d'informations avec les liens suivants :
* - http://en.wikipedia.org/wiki/Fowler-Noll-Vo_hash_function
* - http://isthe.com/chongo/tech/comp/fnv/
*/
/* Détermination d'un type à part */
typedef uint64_t fnv64_t;
/* Détermine si deux empreintes FNV1a sont indentiques ou non. */
int cmp_fnv_64a(fnv64_t, fnv64_t);
/* Détermine l'empreinte FNV1a d'une chaîne de caractères. */
fnv64_t fnv_64a_hash(const char *);
/* Détermine l'empreinte FNV1a d'une séquence d'octets. */
fnv64_t fnv_64a_hash_data(const uint8_t *, size_t);
#endif /* _COMMON_FNV1A_H */
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