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025ddfea28
innobase/dict/dict0crea.c: Remove unneeded prototypes for static functions Remove unused parameters from some functions Replace some assertions with compile-time checks dict_create_add_foreigns_to_dictionary(): allocate space dynamically for the SQL, and quote quotes innobase/dict/dict0dict.c: Remove unnecessary prototypes for static functions dict_tables_have_same_db(): Remove length limitation dict_remove_db_name(): Use strchr() dict_get_db_name_len(): Use strchr() Replace mem_heap_alloc()+strlen()+memcpy() with mem_heap_strdup() Remove unnecessary strlen() calls Allocate space dynamically for generated strings dict_scan_id(): allow quotes within quoted strings innobase/dict/dict0load.c: Remove unnecessary strlen() calls Replace mem_heap_alloc()+strlen()+memcpy() with mem_heap_strdup() innobase/dict/dict0mem.c: Replace mem_heap_alloc()+strlen()+memcpy() with mem_heap_strdup() innobase/eval/eval0eval.c: Make TO_CHAR() work with any machine word width innobase/fil/fil0fil.c: Replace mem_alloc()+strlen()+strcpy() with mem_strdup() innobase/ibuf/ibuf0ibuf.c: Make some global variables static Add #ifdef UNIV_IBUF_DEBUG around debug statements innobase/include/data0data.h: Add #ifdef UNIV_DEBUG around dtuple_validate() innobase/include/data0data.ic: Replace = with == in ut_ad(tuple->magic_n == DATA_TUPLE_MAGIC_N) innobase/include/dict0dict.h: Add const qualifiers innobase/include/lock0lock.h: Add UL suffixes to unsigned long masks innobase/include/log0log.h: Remove unused parameter "type" of log_group_write_buf() innobase/include/mem0mem.h: Add mem_strdup(), mem_strdupl(), mem_strdupq(), mem_heap_strdup(), and mem_heap_strdupl() innobase/include/mem0mem.ic: Add mem_strdup(), mem_strdupl(), mem_strdupq(), mem_heap_strdup(), and mem_heap_strdupl() innobase/include/row0uins.h: Remove unused parameter "thr" of row_undo_ins() innobase/include/row0undo.h: Remvoe unused parameter "thr" of row_undo_search_clust_to_pcur() innobase/include/ut0byte.h: Add const qualifier to ut_cpy_in_lower_case() Remove parameter "len" of ut_cmp_in_lower_case() innobase/include/ut0mem.h: Add ut_strlenq(), ut_strcpyq() and ut_memcpyq() innobase/include/ut0mem.ic: Add ut_strlenq() innobase/include/ut0ut.h: Declare ut_sprintf() as a printf-style function innobase/lock/lock0lock.c: lock_clust_rec_modify_check_and_lock(): Remove unused variable "trx" innobase/log/log0log.c: Remove unused parameters innobase/log/log0recv.c: Remove parameter "type" from log_group_write_buf() innobase/mem/mem0mem.c: Simplify the initialization of block->init_block innobase/mtr/mtr0log.c: Add a debug assertion to mlog_parse_initial_log_record() innobase/page/page0cur.c: Add debug assertion to page_cur_insert_rec_write_log() Remove hard-coded buffer size in page_cur_parse_insert_rec() innobase/page/page0page.c: Remove unneeded variable rec innobase/pars/pars0opt.c: Correct a potential buffer overflow innobase/pars/pars0pars.c: Replace mem_heap_alloc()+strlen()+memcpy() with mem_heap_strdup() innobase/row/row0ins.c: Replace parameter "thr" with "trx" in row_ins_foreign_report_add_err() Remove unnecessary strlen() call Use strchr() innobase/row/row0mysql.c: Add row_mysql_is_recovered_tmp_table() Add row_mysql_is_system_table() Compare reserved table names with exact match Use strstr() and strchr() and mem_strdupl() Compute space needed for generated SQL, and allocate it dynamically innobase/row/row0purge.c: Remove unused parameters "thr" innobase/row/row0row.c: Simplify row_get_clust_rec() innobase/row/row0uins.c: Remove unused parameters "thr" innobase/row/row0umod.c: Remove unused variable "index" row_undo_mod_del_unmark_sec_and_undo_update(): Remove parameter "node" and variable "rec" Remove unused parameters "thr" innobase/row/row0undo.c: Remove unused parameters "thr" innobase/srv/srv0srv.c: Replace UT_NOT_USED() with __attribute__((unused)) innobase/srv/srv0start.c: Remove unnecessary strlen() calls Remove unused parameter "create_new_db" of open_or_create_log_file() innobase/trx/trx0roll.c: Replace mem_alloc()+strlen()+memcpy() with mem_strdup() innobase/trx/trx0sys.c: Remove unnecessary strlen() call innobase/ut/ut0byte.c: Add const qualifier to ut_cpy_in_lower_case() Remove parameter "len" of ut_cmp_in_lower_case() innobase/ut/ut0mem.c: Add ut_strlenq() and ut_memcpyq() sql/ha_innodb.cc: Remove parameter "len" of ut_cmp_in_lower_case()
221 lines
6.5 KiB
C
221 lines
6.5 KiB
C
/**********************************************************************
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Various utilities
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(c) 1994, 1995 Innobase Oy
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Created 1/20/1994 Heikki Tuuri
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***********************************************************************/
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#ifndef ut0ut_h
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#define ut0ut_h
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#include "univ.i"
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#include <time.h>
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#ifndef MYSQL_SERVER
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#include <ctype.h>
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#endif
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typedef time_t ib_time_t;
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/************************************************************
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Uses vsprintf to emulate sprintf so that the function always returns
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the printed length. Apparently in some old SCO Unixes sprintf did not
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return the printed length but a pointer to the end of the printed string. */
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ulint
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ut_sprintf(
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/*=======*/
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char* buf, /* in/out: buffer where to print */
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const char* format, /* in: format of prints */
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...) /* in: arguments to be printed */
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__attribute__((__format__ (__printf__, 2, 3)));
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/************************************************************
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Gets the high 32 bits in a ulint. That is makes a shift >> 32,
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but since there seem to be compiler bugs in both gcc and Visual C++,
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we do this by a special conversion. */
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ulint
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ut_get_high32(
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/*==========*/
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/* out: a >> 32 */
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ulint a); /* in: ulint */
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/**********************************************************
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Calculates the minimum of two ulints. */
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UNIV_INLINE
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ulint
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ut_min(
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/*===*/
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/* out: minimum */
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ulint n1, /* in: first number */
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ulint n2); /* in: second number */
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/**********************************************************
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Calculates the maximum of two ulints. */
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UNIV_INLINE
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ulint
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ut_max(
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/*===*/
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/* out: maximum */
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ulint n1, /* in: first number */
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ulint n2); /* in: second number */
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/********************************************************************
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Calculates minimum of two ulint-pairs. */
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UNIV_INLINE
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void
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ut_pair_min(
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/*========*/
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ulint* a, /* out: more significant part of minimum */
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ulint* b, /* out: less significant part of minimum */
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ulint a1, /* in: more significant part of first pair */
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ulint b1, /* in: less significant part of first pair */
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ulint a2, /* in: more significant part of second pair */
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ulint b2); /* in: less significant part of second pair */
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/**********************************************************
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Compares two ulints. */
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UNIV_INLINE
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int
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ut_ulint_cmp(
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/*=========*/
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/* out: 1 if a > b, 0 if a == b, -1 if a < b */
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ulint a, /* in: ulint */
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ulint b); /* in: ulint */
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/***********************************************************
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Compares two pairs of ulints. */
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UNIV_INLINE
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int
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ut_pair_cmp(
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/*========*/
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/* out: -1 if a < b, 0 if a == b,
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1 if a > b */
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ulint a1, /* in: more significant part of first pair */
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ulint a2, /* in: less significant part of first pair */
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ulint b1, /* in: more significant part of second pair */
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ulint b2); /* in: less significant part of second pair */
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/*****************************************************************
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Calculates fast the remainder when divided by a power of two. */
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UNIV_INLINE
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ulint
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ut_2pow_remainder(
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/*==============*/ /* out: remainder */
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ulint n, /* in: number to be divided */
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ulint m); /* in: divisor; power of 2 */
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/*****************************************************************
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Calculates fast value rounded to a multiple of a power of 2. */
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UNIV_INLINE
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ulint
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ut_2pow_round(
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/*==========*/ /* out: value of n rounded down to nearest
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multiple of m */
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ulint n, /* in: number to be rounded */
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ulint m); /* in: divisor; power of 2 */
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/*****************************************************************
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Calculates fast the 2-logarithm of a number, rounded upward to an
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integer. */
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UNIV_INLINE
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ulint
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ut_2_log(
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/*=====*/
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/* out: logarithm in the base 2, rounded upward */
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ulint n); /* in: number */
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/*****************************************************************
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Calculates 2 to power n. */
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UNIV_INLINE
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ulint
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ut_2_exp(
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/*=====*/
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/* out: 2 to power n */
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ulint n); /* in: number */
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/*****************************************************************
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Calculates fast the number rounded up to the nearest power of 2. */
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ulint
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ut_2_power_up(
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/*==========*/
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/* out: first power of 2 which is >= n */
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ulint n); /* in: number != 0 */
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/****************************************************************
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Sort function for ulint arrays. */
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void
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ut_ulint_sort(ulint* arr, ulint* aux_arr, ulint low, ulint high);
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/*============================================================*/
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/************************************************************
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The following function returns a clock time in milliseconds. */
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ulint
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ut_clock(void);
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/**************************************************************
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Returns system time. We do not specify the format of the time returned:
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the only way to manipulate it is to use the function ut_difftime. */
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ib_time_t
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ut_time(void);
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/*=========*/
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/**************************************************************
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Returns the difference of two times in seconds. */
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double
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ut_difftime(
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/*========*/
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/* out: time2 - time1 expressed in seconds */
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ib_time_t time2, /* in: time */
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ib_time_t time1); /* in: time */
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/**************************************************************
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Prints a timestamp to a file. */
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void
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ut_print_timestamp(
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/*===============*/
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FILE* file); /* in: file where to print */
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/**************************************************************
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Sprintfs a timestamp to a buffer. */
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void
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ut_sprintf_timestamp(
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/*=================*/
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char* buf); /* in: buffer where to sprintf */
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/**************************************************************
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Returns current year, month, day. */
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void
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ut_get_year_month_day(
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/*==================*/
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ulint* year, /* out: current year */
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ulint* month, /* out: month */
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ulint* day); /* out: day */
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/*****************************************************************
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Runs an idle loop on CPU. The argument gives the desired delay
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in microseconds on 100 MHz Pentium + Visual C++. */
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ulint
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ut_delay(
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/*=====*/
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/* out: dummy value */
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ulint delay); /* in: delay in microseconds on 100 MHz Pentium */
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/*****************************************************************
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Prints the contents of a memory buffer in hex and ascii. */
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void
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ut_print_buf(
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/*=========*/
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byte* buf, /* in: memory buffer */
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ulint len); /* in: length of the buffer */
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/*****************************************************************
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Prints the contents of a memory buffer in hex and ascii. */
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ulint
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ut_sprintf_buf(
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/*===========*/
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/* out: printed length in bytes */
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char* str, /* in: buffer to print to */
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byte* buf, /* in: memory buffer */
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ulint len); /* in: length of the buffer */
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#ifndef UNIV_NONINL
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#include "ut0ut.ic"
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#endif
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#endif
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