buf0checksum.h

/*****************************************************************************

Copyright (c) 1995, 2011, Oracle and/or its affiliates. All Rights Reserved.

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; version 2 of the License.

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, write to the Free Software Foundation, Inc.,
51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA

*****************************************************************************/

/**************************************************/
#ifndef buf0checksum_h
#define buf0checksum_h

#include "univ.i"

#ifndef UNIV_INNOCHECKSUM

#include "buf0types.h"

#endif /* !UNIV_INNOCHECKSUM */

/********************************************************************/
UNIV_INTERN
ib_uint32_t
buf_calc_page_crc32(
/*================*/
        const byte*     page);  
/********************************************************************/
UNIV_INTERN
ulint
buf_calc_page_new_checksum(
/*=======================*/
        const byte*     page);  
/********************************************************************/
UNIV_INTERN
ulint
buf_calc_page_old_checksum(
/*=======================*/
        const byte*     page);  
#ifndef UNIV_INNOCHECKSUM

/********************************************************************/
UNIV_INTERN
const char*
buf_checksum_algorithm_name(
/*========================*/
        srv_checksum_algorithm_t        algo);  
extern ulong    srv_checksum_algorithm;

#endif /* !UNIV_INNOCHECKSUM */

#endif /* buf0checksum_h */