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

Copyright (c) 1995, 2016, 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

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

/******************************************************************//**
@file include/fut0fut.h
File-based utilities

Created 12/13/1995 Heikki Tuuri
***********************************************************************/


#ifndef fut0fut_h
#define fut0fut_h

#include "univ.i"

#include "fil0fil.h"
#include "mtr0mtr.h"

/** Gets a pointer to a file address and latches the page.
@param[in]	space		space id
@param[in]	page_size	page size
@param[in]	addr		file address
@param[in]	rw_latch	RW_S_LATCH, RW_X_LATCH, RW_SX_LATCH
@param[out]	ptr_block	file page
@param[in,out]	mtr		mini-transaction
@return pointer to a byte in (*ptr_block)->frame; the *ptr_block is
bufferfixed and latched */
UNIV_INLINE
byte*
fut_get_ptr(
	ulint			space,
	const page_size_t&	page_size,
	fil_addr_t		addr,
	rw_lock_type_t		rw_latch,
	mtr_t*			mtr,
	buf_block_t**		ptr_block = NULL)
	MY_ATTRIBUTE((warn_unused_result));

#ifndef UNIV_NONINL
#include "fut0fut.ic"
#endif

#endif /* fut0fut_h */