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authorGuilhem Bichot <guilhem@mysql.com>2009-08-04 13:25:19 +0200
committerGuilhem Bichot <guilhem@mysql.com>2009-08-04 13:25:19 +0200
commitb57e4dbd88671df86e2cf39aff5178976d710b64 (patch)
tree32be2bfec3ca062c65566c60ecf59b673d1f97e9 /storage/innobase/include/ut0byte.h
parent1a0c2153a036296785dcdfa7b5f4974515616e11 (diff)
parent94efc1c6b084ed531b513e70fb66e7b7a1186b56 (diff)
downloadmariadb-git-b57e4dbd88671df86e2cf39aff5178976d710b64.tar.gz
Creation of mysql-trunk = {summit + "Innodb plugin replacing the builtin"}:
bzr branch mysql-5.1-performance-version mysql-trunk # Summit cd mysql-trunk bzr merge mysql-5.1-innodb_plugin # which is 5.1 + Innodb plugin bzr rm innobase # remove the builtin Next step: build, test fixes.
Diffstat (limited to 'storage/innobase/include/ut0byte.h')
-rw-r--r--storage/innobase/include/ut0byte.h250
1 files changed, 0 insertions, 250 deletions
diff --git a/storage/innobase/include/ut0byte.h b/storage/innobase/include/ut0byte.h
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index 6533f1166ca..00000000000
--- a/storage/innobase/include/ut0byte.h
+++ /dev/null
@@ -1,250 +0,0 @@
-/**********************************************************************
-Utilities for byte operations
-
-(c) 1994, 1995 Innobase Oy
-
-Created 1/20/1994 Heikki Tuuri
-***********************************************************************/
-
-#ifndef ut0byte_h
-#define ut0byte_h
-
-
-#include "univ.i"
-
-/* Type definition for a 64-bit unsigned integer, which works also
-in 32-bit machines. NOTE! Access the fields only with the accessor
-functions. This definition appears here only for the compiler to
-know the size of a dulint. */
-
-typedef struct dulint_struct dulint;
-struct dulint_struct{
- ulint high; /* most significant 32 bits */
- ulint low; /* least significant 32 bits */
-};
-
-/* Zero value for a dulint */
-extern dulint ut_dulint_zero;
-
-/* Maximum value for a dulint */
-extern dulint ut_dulint_max;
-
-/***********************************************************
-Creates a 64-bit dulint out of two ulints. */
-UNIV_INLINE
-dulint
-ut_dulint_create(
-/*=============*/
- /* out: created dulint */
- ulint high, /* in: high-order 32 bits */
- ulint low); /* in: low-order 32 bits */
-/***********************************************************
-Gets the high-order 32 bits of a dulint. */
-UNIV_INLINE
-ulint
-ut_dulint_get_high(
-/*===============*/
- /* out: 32 bits in ulint */
- dulint d); /* in: dulint */
-/***********************************************************
-Gets the low-order 32 bits of a dulint. */
-UNIV_INLINE
-ulint
-ut_dulint_get_low(
-/*==============*/
- /* out: 32 bits in ulint */
- dulint d); /* in: dulint */
-/***********************************************************
-Converts a dulint (a struct of 2 ulints) to ib_longlong, which is a 64-bit
-integer type. */
-UNIV_INLINE
-ib_longlong
-ut_conv_dulint_to_longlong(
-/*=======================*/
- /* out: value in ib_longlong type */
- dulint d); /* in: dulint */
-/***********************************************************
-Tests if a dulint is zero. */
-UNIV_INLINE
-ibool
-ut_dulint_is_zero(
-/*==============*/
- /* out: TRUE if zero */
- dulint a); /* in: dulint */
-/***********************************************************
-Compares two dulints. */
-UNIV_INLINE
-int
-ut_dulint_cmp(
-/*==========*/
- /* out: -1 if a < b, 0 if a == b,
- 1 if a > b */
- dulint a, /* in: dulint */
- dulint b); /* in: dulint */
-/***********************************************************
-Calculates the max of two dulints. */
-UNIV_INLINE
-dulint
-ut_dulint_get_max(
-/*==============*/
- /* out: max(a, b) */
- dulint a, /* in: dulint */
- dulint b); /* in: dulint */
-/***********************************************************
-Calculates the min of two dulints. */
-UNIV_INLINE
-dulint
-ut_dulint_get_min(
-/*==============*/
- /* out: min(a, b) */
- dulint a, /* in: dulint */
- dulint b); /* in: dulint */
-/***********************************************************
-Adds a ulint to a dulint. */
-UNIV_INLINE
-dulint
-ut_dulint_add(
-/*==========*/
- /* out: sum a + b */
- dulint a, /* in: dulint */
- ulint b); /* in: ulint */
-/***********************************************************
-Subtracts a ulint from a dulint. */
-UNIV_INLINE
-dulint
-ut_dulint_subtract(
-/*===============*/
- /* out: a - b */
- dulint a, /* in: dulint */
- ulint b); /* in: ulint, b <= a */
-/***********************************************************
-Subtracts a dulint from another. NOTE that the difference must be positive
-and smaller that 4G. */
-UNIV_INLINE
-ulint
-ut_dulint_minus(
-/*============*/
- /* out: a - b */
- dulint a, /* in: dulint; NOTE a must be >= b and at most
- 2 to power 32 - 1 greater */
- dulint b); /* in: dulint */
-/************************************************************
-Rounds a dulint downward to a multiple of a power of 2. */
-UNIV_INLINE
-dulint
-ut_dulint_align_down(
-/*=================*/
- /* out: rounded value */
- dulint n, /* in: number to be rounded */
- ulint align_no); /* in: align by this number which must be a
- power of 2 */
-/************************************************************
-Rounds a dulint upward to a multiple of a power of 2. */
-UNIV_INLINE
-dulint
-ut_dulint_align_up(
-/*===============*/
- /* out: rounded value */
- dulint n, /* in: number to be rounded */
- ulint align_no); /* in: align by this number which must be a
- power of 2 */
-/***********************************************************
-Increments a dulint variable by 1. */
-#define UT_DULINT_INC(D)\
-{\
- if ((D).low == 0xFFFFFFFFUL) {\
- (D).high = (D).high + 1;\
- (D).low = 0;\
- } else {\
- (D).low = (D).low + 1;\
- }\
-}
-/***********************************************************
-Tests if two dulints are equal. */
-#define UT_DULINT_EQ(D1, D2) (((D1).low == (D2).low)\
- && ((D1).high == (D2).high))
-/****************************************************************
-Sort function for dulint arrays. */
-void
-ut_dulint_sort(dulint* arr, dulint* aux_arr, ulint low, ulint high);
-/*===============================================================*/
-/************************************************************
-The following function calculates the value of an integer n rounded
-to the least product of align_no which is >= n. align_no has to be a
-power of 2. */
-UNIV_INLINE
-ulint
-ut_calc_align(
-/*==========*/
- /* out: rounded value */
- ulint n, /* in: number to be rounded */
- ulint align_no); /* in: align by this number */
-/************************************************************
-The following function calculates the value of an integer n rounded
-to the biggest product of align_no which is <= n. align_no has to be a
-power of 2. */
-UNIV_INLINE
-ulint
-ut_calc_align_down(
-/*===============*/
- /* out: rounded value */
- ulint n, /* in: number to be rounded */
- ulint align_no); /* in: align by this number */
-/*************************************************************
-The following function rounds up a pointer to the nearest aligned address. */
-UNIV_INLINE
-void*
-ut_align(
-/*=====*/
- /* out: aligned pointer */
- void* ptr, /* in: pointer */
- ulint align_no); /* in: align by this number */
-/*************************************************************
-The following function rounds down a pointer to the nearest
-aligned address. */
-UNIV_INLINE
-void*
-ut_align_down(
-/*==========*/
- /* out: aligned pointer */
- void* ptr, /* in: pointer */
- ulint align_no) /* in: align by this number */
- __attribute__((const));
-/*************************************************************
-The following function computes the offset of a pointer from the nearest
-aligned address. */
-UNIV_INLINE
-ulint
-ut_align_offset(
-/*============*/
- /* out: distance from aligned
- pointer */
- const void* ptr, /* in: pointer */
- ulint align_no) /* in: align by this number */
- __attribute__((const));
-/*********************************************************************
-Gets the nth bit of a ulint. */
-UNIV_INLINE
-ibool
-ut_bit_get_nth(
-/*===========*/
- /* out: TRUE if nth bit is 1; 0th bit is defined to
- be the least significant */
- ulint a, /* in: ulint */
- ulint n); /* in: nth bit requested */
-/*********************************************************************
-Sets the nth bit of a ulint. */
-UNIV_INLINE
-ulint
-ut_bit_set_nth(
-/*===========*/
- /* out: the ulint with the bit set as requested */
- ulint a, /* in: ulint */
- ulint n, /* in: nth bit requested */
- ibool val); /* in: value for the bit to set */
-
-#ifndef UNIV_NONINL
-#include "ut0byte.ic"
-#endif
-
-#endif