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+/*****************************************************************************
+
+Copyright (c) 1994, 2013, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2019, 2020, MariaDB Corporation.
+
+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, Fifth Floor, Boston, MA 02110-1335 USA
+
+*****************************************************************************/
+
+/**************************************************************//**
+@file include/ut0byte.ic
+Utilities for byte operations
+
+Created 5/30/1994 Heikki Tuuri
+*******************************************************************/
+
+/*******************************************************//**
+Creates a 64-bit integer out of two 32-bit integers.
+@return created integer */
+UNIV_INLINE
+ib_uint64_t
+ut_ull_create(
+/*==========*/
+ ulint high, /*!< in: high-order 32 bits */
+ ulint low) /*!< in: low-order 32 bits */
+{
+ ut_ad(high <= ULINT32_MASK);
+ ut_ad(low <= ULINT32_MASK);
+ return(((ib_uint64_t) high) << 32 | low);
+}
+
+/********************************************************//**
+Rounds a 64-bit integer downward to a multiple of a power of 2.
+@return rounded value */
+UNIV_INLINE
+ib_uint64_t
+ut_uint64_align_down(
+/*=================*/
+ ib_uint64_t n, /*!< in: number to be rounded */
+ ulint align_no) /*!< in: align by this number
+ which must be a power of 2 */
+{
+ ut_ad(align_no > 0);
+ ut_ad(ut_is_2pow(align_no));
+
+ return(n & ~((ib_uint64_t) align_no - 1));
+}
+
+/********************************************************//**
+Rounds ib_uint64_t upward to a multiple of a power of 2.
+@return rounded value */
+UNIV_INLINE
+ib_uint64_t
+ut_uint64_align_up(
+/*===============*/
+ ib_uint64_t n, /*!< in: number to be rounded */
+ ulint align_no) /*!< in: align by this number
+ which must be a power of 2 */
+{
+ ib_uint64_t align_1 = (ib_uint64_t) align_no - 1;
+
+ ut_ad(align_no > 0);
+ ut_ad(ut_is_2pow(align_no));
+
+ return((n + align_1) & ~align_1);
+}
+
+/*****************************************************************//**
+Gets the nth bit of a ulint.
+@return TRUE if nth bit is 1; 0th bit is defined to be the least significant */
+UNIV_INLINE
+ibool
+ut_bit_get_nth(
+/*===========*/
+ ulint a, /*!< in: ulint */
+ ulint n) /*!< in: nth bit requested */
+{
+ ut_ad(n < 8 * sizeof(ulint));
+ return(1 & (a >> n));
+}