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-/**********************************************************************
-Various utilities
-
-(c) 1994, 1995 Innobase Oy
-
-Created 1/20/1994 Heikki Tuuri
-***********************************************************************/
-
-#ifndef ut0ut_h
-#define ut0ut_h
-
-#include "univ.i"
-#include <time.h>
-#ifndef MYSQL_SERVER
-#include <ctype.h>
-#endif
-
-typedef time_t ib_time_t;
-
-/************************************************************
-Gets the high 32 bits in a ulint. That is makes a shift >> 32,
-but since there seem to be compiler bugs in both gcc and Visual C++,
-we do this by a special conversion. */
-
-ulint
-ut_get_high32(
-/*==========*/
- /* out: a >> 32 */
- ulint a); /* in: ulint */
-/**********************************************************
-Calculates the minimum of two ulints. */
-UNIV_INLINE
-ulint
-ut_min(
-/*===*/
- /* out: minimum */
- ulint n1, /* in: first number */
- ulint n2); /* in: second number */
-/**********************************************************
-Calculates the maximum of two ulints. */
-UNIV_INLINE
-ulint
-ut_max(
-/*===*/
- /* out: maximum */
- ulint n1, /* in: first number */
- ulint n2); /* in: second number */
-/********************************************************************
-Calculates minimum of two ulint-pairs. */
-UNIV_INLINE
-void
-ut_pair_min(
-/*========*/
- ulint* a, /* out: more significant part of minimum */
- ulint* b, /* out: less significant part of minimum */
- ulint a1, /* in: more significant part of first pair */
- ulint b1, /* in: less significant part of first pair */
- ulint a2, /* in: more significant part of second pair */
- ulint b2); /* in: less significant part of second pair */
-/**********************************************************
-Compares two ulints. */
-UNIV_INLINE
-int
-ut_ulint_cmp(
-/*=========*/
- /* out: 1 if a > b, 0 if a == b, -1 if a < b */
- ulint a, /* in: ulint */
- ulint b); /* in: ulint */
-/***********************************************************
-Compares two pairs of ulints. */
-UNIV_INLINE
-int
-ut_pair_cmp(
-/*========*/
- /* out: -1 if a < b, 0 if a == b,
- 1 if a > b */
- ulint a1, /* in: more significant part of first pair */
- ulint a2, /* in: less significant part of first pair */
- ulint b1, /* in: more significant part of second pair */
- ulint b2); /* in: less significant part of second pair */
-/*****************************************************************
-Calculates fast the remainder when divided by a power of two. */
-UNIV_INLINE
-ulint
-ut_2pow_remainder(
-/*==============*/ /* out: remainder */
- ulint n, /* in: number to be divided */
- ulint m); /* in: divisor; power of 2 */
-/*****************************************************************
-Calculates fast value rounded to a multiple of a power of 2. */
-UNIV_INLINE
-ulint
-ut_2pow_round(
-/*==========*/ /* out: value of n rounded down to nearest
- multiple of m */
- ulint n, /* in: number to be rounded */
- ulint m); /* in: divisor; power of 2 */
-/*****************************************************************
-Calculates fast the 2-logarithm of a number, rounded upward to an
-integer. */
-UNIV_INLINE
-ulint
-ut_2_log(
-/*=====*/
- /* out: logarithm in the base 2, rounded upward */
- ulint n); /* in: number */
-/*****************************************************************
-Calculates 2 to power n. */
-UNIV_INLINE
-ulint
-ut_2_exp(
-/*=====*/
- /* out: 2 to power n */
- ulint n); /* in: number */
-/*****************************************************************
-Calculates fast the number rounded up to the nearest power of 2. */
-
-ulint
-ut_2_power_up(
-/*==========*/
- /* out: first power of 2 which is >= n */
- ulint n); /* in: number != 0 */
-/****************************************************************
-Sort function for ulint arrays. */
-
-void
-ut_ulint_sort(ulint* arr, ulint* aux_arr, ulint low, ulint high);
-/*============================================================*/
-/************************************************************
-The following function returns elapsed CPU time in milliseconds. */
-
-ulint
-ut_clock(void);
-/**************************************************************
-Returns system time. We do not specify the format of the time returned:
-the only way to manipulate it is to use the function ut_difftime. */
-
-ib_time_t
-ut_time(void);
-/*=========*/
-/**************************************************************
-Returns system time. */
-
-void
-ut_usectime(
-/*========*/
- ulint* sec, /* out: seconds since the Epoch */
- ulint* ms); /* out: microseconds since the Epoch+*sec */
-/**************************************************************
-Returns the difference of two times in seconds. */
-
-double
-ut_difftime(
-/*========*/
- /* out: time2 - time1 expressed in seconds */
- ib_time_t time2, /* in: time */
- ib_time_t time1); /* in: time */
-/**************************************************************
-Prints a timestamp to a file. */
-
-void
-ut_print_timestamp(
-/*===============*/
- FILE* file); /* in: file where to print */
-/**************************************************************
-Sprintfs a timestamp to a buffer, 13..14 chars plus terminating NUL. */
-
-void
-ut_sprintf_timestamp(
-/*=================*/
- char* buf); /* in: buffer where to sprintf */
-/**************************************************************
-Sprintfs a timestamp to a buffer with no spaces and with ':' characters
-replaced by '_'. */
-
-void
-ut_sprintf_timestamp_without_extra_chars(
-/*=====================================*/
- char* buf); /* in: buffer where to sprintf */
-/**************************************************************
-Returns current year, month, day. */
-
-void
-ut_get_year_month_day(
-/*==================*/
- ulint* year, /* out: current year */
- ulint* month, /* out: month */
- ulint* day); /* out: day */
-/*****************************************************************
-Runs an idle loop on CPU. The argument gives the desired delay
-in microseconds on 100 MHz Pentium + Visual C++. */
-
-ulint
-ut_delay(
-/*=====*/
- /* out: dummy value */
- ulint delay); /* in: delay in microseconds on 100 MHz Pentium */
-/*****************************************************************
-Prints the contents of a memory buffer in hex and ascii. */
-
-void
-ut_print_buf(
-/*=========*/
- FILE* file, /* in: file where to print */
- const byte* buf, /* in: memory buffer */
- ulint len); /* in: length of the buffer */
-
-/**************************************************************************
-Outputs a NUL-terminated file name, quoted with apostrophes. */
-
-void
-ut_print_filename(
-/*==============*/
- FILE* f, /* in: output stream */
- const char* name); /* in: name to print */
-
-/**************************************************************************
-Outputs a NUL-terminated string, quoted as an SQL identifier. */
-
-struct trx_struct;
-
-void
-ut_print_name(
-/*==========*/
- FILE* f, /* in: output stream */
- struct trx_struct*trx, /* in: transaction */
- const char* name); /* in: name to print */
-
-/**************************************************************************
-Outputs a fixed-length string, quoted as an SQL identifier. */
-
-void
-ut_print_namel(
-/*==========*/
- FILE* f, /* in: output stream */
- struct trx_struct*trx, /* in: transaction (NULL=no quotes) */
- const char* name, /* in: name to print */
- ulint namelen);/* in: length of name */
-
-/**************************************************************************
-Catenate files. */
-
-void
-ut_copy_file(
-/*=========*/
- FILE* dest, /* in: output file */
- FILE* src); /* in: input file to be appended to output */
-
-#ifndef UNIV_NONINL
-#include "ut0ut.ic"
-#endif
-
-#endif
-