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//
// cook - file construction tool
// Copyright (C) 1994, 2003-2006, 2008 Peter Miller.
//
// This program 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.
//
// This program 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 this program. If not, see
// <http://www.gnu.org/licenses/>.
//
#ifndef COMMON_FP_H
#define COMMON_FP_H
#include <common/ac/stddef.h>
/** \addtogroup Fingerprint
* \brief Fingerprint types and functions
* \ingroup Common
* @{
*/
struct fingerprint_methods_ty; // forward
#define FINGERPRINT_BASE_CLASS \
struct fingerprint_methods_ty *method;
struct fingerprint_ty
{
FINGERPRINT_BASE_CLASS
};
struct fingerprint_methods_ty
{
long size;
const char *name;
void (*constructor)(fingerprint_ty *);
void (*destructor)(fingerprint_ty *);
void (*addn)(fingerprint_ty *, unsigned char *, size_t);
int (*hash)(fingerprint_ty *, unsigned char *);
void (*sum)(fingerprint_ty *, char *, size_t);
};
fingerprint_ty *fingerprint_new(fingerprint_methods_ty *);
void fingerprint_delete(fingerprint_ty *);
void fingerprint_add(fingerprint_ty *, int);
int fingerprint_file_hash(fingerprint_ty *, const char *, unsigned char *);
int fingerprint_file_sum(fingerprint_ty *, const char *, char *, size_t);
#define fingerprint_addn(p, s, n) \
(p)->method->addn((p), (s), (n))
#define fingerprint_hash(p, s) \
(p)->method->hash((p), (s))
#define fingerprint_sum(p, s, len) \
(p)->method->sum((p), (s), (len))
/** @} */
#endif // COMMON_FP_H
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