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Bug#54728: Replace the dulint struct with a 64-bit integer.

This commit is contained in:
Marko Mäkelä
2010-06-23 14:06:59 +03:00
parent eb07ae4605
commit c1567ecebd
89 changed files with 874 additions and 1572 deletions

View File

@@ -27,145 +27,22 @@ Created 1/20/1994 Heikki Tuuri
#define ut0byte_h
#include "univ.i"
/** Pair of ulint integers. */
typedef struct dulint_struct dulint;
/** 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. */
struct dulint_struct{
ulint high; /*!< most significant 32 bits */
ulint low; /*!< least significant 32 bits */
};
/** Zero value for a dulint */
extern const dulint ut_dulint_zero;
/** Maximum value for a dulint */
extern const dulint ut_dulint_max;
/*******************************************************//**
Creates a 64-bit dulint out of two ulints.
Creates a 64-bit integer out of two 32-bit integers.
@return created dulint */
UNIV_INLINE
dulint
ut_dulint_create(
/*=============*/
ib_uint64_t
ut_ull_create(
/*==========*/
ulint high, /*!< in: high-order 32 bits */
ulint low); /*!< in: low-order 32 bits */
/*******************************************************//**
Gets the high-order 32 bits of a dulint.
@return 32 bits in ulint */
UNIV_INLINE
ulint
ut_dulint_get_high(
/*===============*/
dulint d); /*!< in: dulint */
/*******************************************************//**
Gets the low-order 32 bits of a dulint.
@return 32 bits in ulint */
UNIV_INLINE
ulint
ut_dulint_get_low(
/*==============*/
dulint d); /*!< in: dulint */
/*******************************************************//**
Converts a dulint (a struct of 2 ulints) to ib_int64_t, which is a 64-bit
integer type.
@return value in ib_int64_t type */
UNIV_INLINE
ib_int64_t
ut_conv_dulint_to_longlong(
/*=======================*/
dulint d); /*!< in: dulint */
/*******************************************************//**
Tests if a dulint is zero.
@return TRUE if zero */
UNIV_INLINE
ibool
ut_dulint_is_zero(
/*==============*/
dulint a); /*!< in: dulint */
/*******************************************************//**
Compares two dulints.
@return -1 if a < b, 0 if a == b, 1 if a > b */
UNIV_INLINE
int
ut_dulint_cmp(
/*==========*/
dulint a, /*!< in: dulint */
dulint b); /*!< in: dulint */
/*******************************************************//**
Calculates the max of two dulints.
@return max(a, b) */
UNIV_INLINE
dulint
ut_dulint_get_max(
/*==============*/
dulint a, /*!< in: dulint */
dulint b); /*!< in: dulint */
/*******************************************************//**
Calculates the min of two dulints.
@return min(a, b) */
UNIV_INLINE
dulint
ut_dulint_get_min(
/*==============*/
dulint a, /*!< in: dulint */
dulint b); /*!< in: dulint */
/*******************************************************//**
Adds a ulint to a dulint.
@return sum a + b */
UNIV_INLINE
dulint
ut_dulint_add(
/*==========*/
dulint a, /*!< in: dulint */
ulint b); /*!< in: ulint */
/*******************************************************//**
Subtracts a ulint from a dulint.
@return a - b */
UNIV_INLINE
dulint
ut_dulint_subtract(
/*===============*/
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.
@return a - b */
UNIV_INLINE
ulint
ut_dulint_minus(
/*============*/
dulint a, /*!< in: dulint; NOTE a must be >= b and at most
2 to power 32 - 1 greater */
dulint b); /*!< in: dulint */
ulint low) /*!< in: low-order 32 bits */
__attribute__((const));
/********************************************************//**
Rounds a dulint downward to a multiple of a power of 2.
@return rounded value */
UNIV_INLINE
dulint
ut_dulint_align_down(
/*=================*/
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.
@return rounded value */
UNIV_INLINE
dulint
ut_dulint_align_up(
/*===============*/
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 downward to a multiple of a power of 2.
Rounds a 64-bit integer downward to a multiple of a power of 2.
@return rounded value */
UNIV_INLINE
ib_uint64_t
@@ -184,34 +61,6 @@ 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 */
/*******************************************************//**
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))
#ifdef notdefined
/************************************************************//**
Sort function for dulint arrays. */
UNIV_INTERN
void
ut_dulint_sort(
/*===========*/
dulint* arr, /*!< in/out: array to be sorted */
dulint* aux_arr,/*!< in/out: auxiliary array (same size as arr) */
ulint low, /*!< in: low bound of sort interval, inclusive */
ulint high); /*!< in: high bound of sort interval, noninclusive */
#endif /* notdefined */
/*********************************************************//**
The following function rounds up a pointer to the nearest aligned address.
@return aligned pointer */