46 lines
1.7 KiB
C
46 lines
1.7 KiB
C
/*****************************************************************************
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Copyright (c) 1995, 2018, Oracle and/or its affiliates. All Rights Reserved.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License, version 2.0, as published by the
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Free Software Foundation.
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This program is also distributed with certain software (including but not
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limited to OpenSSL) that is licensed under separate terms, as designated in a
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particular file or component or in included license documentation. The authors
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of MySQL hereby grant you an additional permission to link the program and
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your derivative works with the separately licensed software that they have
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included with MySQL.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0,
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for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*****************************************************************************/
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/** @file buf/buf.h
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The database buffer pool high-level routines
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Created 11/5/1995 Heikki Tuuri
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*******************************************************/
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#ifndef buf_h
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#define buf_h
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#include "univ.i"
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#include "page0size.h"
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/** Checks if a page contains only zeroes.
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@param[in] read_buf database page
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@param[in] page_size page size
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@return true if page is filled with zeroes */
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bool buf_page_is_zeroes(const byte *read_buf, const page_size_t &page_size);
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#endif
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