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-/* Copyright (c) 2004, 2014, Oracle and/or its affiliates. All rights reserved.
-
- 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 St, Fifth Floor, Boston, MA 02110-1301 USA */
-
-/*
- This is a private header of sql-common library, containing
- declarations for my_time.c
-*/
-
-#ifndef _my_time_h_
-#define _my_time_h_
-#include "my_global.h"
-#include "mysql_time.h"
-
-C_MODE_START
-
-extern ulonglong log_10_int[20];
-extern uchar days_in_month[];
-extern const char my_zero_datetime6[]; /* "0000-00-00 00:00:00.000000" */
-
-/*
- Portable time_t replacement.
- Should be signed and hold seconds for 1902 -- 2038-01-19 range
- i.e at least a 32bit variable
-
- Using the system built in time_t is not an option as
- we rely on the above requirements in the time functions
-*/
-typedef long my_time_t;
-
-typedef enum enum_mysql_timestamp_type timestamp_type;
-
-#define MY_TIME_T_MAX LONG_MAX
-#define MY_TIME_T_MIN LONG_MIN
-
-/* Time handling defaults */
-#define TIMESTAMP_MAX_YEAR 2038
-#define TIMESTAMP_MIN_YEAR (1900 + YY_PART_YEAR - 1)
-#define TIMESTAMP_MAX_VALUE INT_MAX32
-#define TIMESTAMP_MIN_VALUE 1
-
-/* two-digit years < this are 20..; >= this are 19.. */
-#define YY_PART_YEAR 70
-
-/*
- check for valid times only if the range of time_t is greater than
- the range of my_time_t
-*/
-#if SIZEOF_TIME_T > 4
-# define IS_TIME_T_VALID_FOR_TIMESTAMP(x) \
- ((x) <= TIMESTAMP_MAX_VALUE && \
- (x) >= TIMESTAMP_MIN_VALUE)
-#else
-# define IS_TIME_T_VALID_FOR_TIMESTAMP(x) \
- ((x) >= TIMESTAMP_MIN_VALUE)
-#endif
-
-/* Flags to str_to_datetime and number_to_datetime */
-typedef uint my_time_flags_t;
-static const my_time_flags_t TIME_FUZZY_DATE= 1;
-static const my_time_flags_t TIME_DATETIME_ONLY= 2;
-static const my_time_flags_t TIME_NO_NSEC_ROUNDING= 4;
-static const my_time_flags_t TIME_NO_DATE_FRAC_WARN= 8;
-static const my_time_flags_t TIME_NO_ZERO_IN_DATE= 16;
-static const my_time_flags_t TIME_NO_ZERO_DATE= 32;
-static const my_time_flags_t TIME_INVALID_DATES= 64;
-
-/* Conversion warnings */
-#define MYSQL_TIME_WARN_TRUNCATED 1
-#define MYSQL_TIME_WARN_OUT_OF_RANGE 2
-#define MYSQL_TIME_WARN_INVALID_TIMESTAMP 4
-#define MYSQL_TIME_WARN_ZERO_DATE 8
-#define MYSQL_TIME_NOTE_TRUNCATED 16
-#define MYSQL_TIME_WARN_ZERO_IN_DATE 32
-
-/* Usefull constants */
-#define SECONDS_IN_24H 86400L
-
-/* Limits for the TIME data type */
-#define TIME_MAX_HOUR 838
-#define TIME_MAX_MINUTE 59
-#define TIME_MAX_SECOND 59
-#define TIME_MAX_VALUE (TIME_MAX_HOUR*10000 + TIME_MAX_MINUTE*100 + \
- TIME_MAX_SECOND)
-#define TIME_MAX_VALUE_SECONDS (TIME_MAX_HOUR * 3600L + \
- TIME_MAX_MINUTE * 60L + TIME_MAX_SECOND)
-
-/*
- Structure to return status from
- str_to_datetime(), str_to_time(), number_to_datetime(), number_to_time()
-*/
-typedef struct st_mysql_time_status
-{
- int warnings;
- uint fractional_digits;
- uint nanoseconds;
-} MYSQL_TIME_STATUS;
-
-static inline void my_time_status_init(MYSQL_TIME_STATUS *status)
-{
- status->warnings= status->fractional_digits= status->nanoseconds= 0;
-}
-
-
-my_bool check_date(const MYSQL_TIME *ltime, my_bool not_zero_date,
- my_time_flags_t flags, int *was_cut);
-my_bool str_to_datetime(const char *str, size_t length, MYSQL_TIME *l_time,
- my_time_flags_t flags, MYSQL_TIME_STATUS *status);
-longlong number_to_datetime(longlong nr, MYSQL_TIME *time_res,
- my_time_flags_t flags, int *was_cut);
-my_bool number_to_time(longlong nr, MYSQL_TIME *ltime, int *warnings);
-ulonglong TIME_to_ulonglong_datetime(const MYSQL_TIME *);
-ulonglong TIME_to_ulonglong_date(const MYSQL_TIME *);
-ulonglong TIME_to_ulonglong_time(const MYSQL_TIME *);
-ulonglong TIME_to_ulonglong(const MYSQL_TIME *);
-
-#define MY_PACKED_TIME_GET_INT_PART(x) ((x) >> 24)
-#define MY_PACKED_TIME_GET_FRAC_PART(x) ((x) % (1LL << 24))
-#define MY_PACKED_TIME_MAKE(i, f) ((((longlong) (i)) << 24) + (f))
-#define MY_PACKED_TIME_MAKE_INT(i) ((((longlong) (i)) << 24))
-
-longlong year_to_longlong_datetime_packed(long year);
-longlong TIME_to_longlong_datetime_packed(const MYSQL_TIME *);
-longlong TIME_to_longlong_date_packed(const MYSQL_TIME *);
-longlong TIME_to_longlong_time_packed(const MYSQL_TIME *);
-longlong TIME_to_longlong_packed(const MYSQL_TIME *);
-
-void TIME_from_longlong_datetime_packed(MYSQL_TIME *ltime, longlong nr);
-void TIME_from_longlong_time_packed(MYSQL_TIME *ltime, longlong nr);
-void TIME_from_longlong_date_packed(MYSQL_TIME *ltime, longlong nr);
-void TIME_set_yymmdd(MYSQL_TIME *ltime, uint yymmdd);
-void TIME_set_hhmmss(MYSQL_TIME *ltime, uint hhmmss);
-
-void my_datetime_packed_to_binary(longlong nr, uchar *ptr, uint dec);
-longlong my_datetime_packed_from_binary(const uchar *ptr, uint dec);
-
-void my_time_packed_to_binary(longlong nr, uchar *ptr, uint dec);
-longlong my_time_packed_from_binary(const uchar *ptr, uint dec);
-
-void my_timestamp_to_binary(const struct timeval *tm, uchar *ptr, uint dec);
-void my_timestamp_from_binary(struct timeval *tm, const uchar *ptr, uint dec);
-
-my_bool str_to_time(const char *str, size_t length, MYSQL_TIME *l_time,
- MYSQL_TIME_STATUS *status);
-
-my_bool check_time_mmssff_range(const MYSQL_TIME *ltime);
-my_bool check_time_range_quick(const MYSQL_TIME *ltime);
-my_bool check_datetime_range(const MYSQL_TIME *ltime);
-void adjust_time_range(struct st_mysql_time *, int *warning);
-
-long calc_daynr(uint year,uint month,uint day);
-uint calc_days_in_year(uint year);
-uint year_2000_handling(uint year);
-
-void my_init_time(void);
-
-
-/*
- Function to check sanity of a TIMESTAMP value
-
- DESCRIPTION
- Check if a given MYSQL_TIME value fits in TIMESTAMP range.
- This function doesn't make precise check, but rather a rough
- estimate.
-
- RETURN VALUES
- TRUE The value seems sane
- FALSE The MYSQL_TIME value is definitely out of range
-*/
-
-static inline my_bool validate_timestamp_range(const MYSQL_TIME *t)
-{
- if ((t->year > TIMESTAMP_MAX_YEAR || t->year < TIMESTAMP_MIN_YEAR) ||
- (t->year == TIMESTAMP_MAX_YEAR && (t->month > 1 || t->day > 19)) ||
- (t->year == TIMESTAMP_MIN_YEAR && (t->month < 12 || t->day < 31)))
- return FALSE;
-
- return TRUE;
-}
-
-my_time_t
-my_system_gmt_sec(const MYSQL_TIME *t, long *my_timezone,
- my_bool *in_dst_time_gap);
-
-void set_zero_time(MYSQL_TIME *tm, enum enum_mysql_timestamp_type time_type);
-void set_max_time(MYSQL_TIME *tm, my_bool neg);
-void set_max_hhmmss(MYSQL_TIME *tm);
-
-/*
- Required buffer length for my_time_to_str, my_date_to_str,
- my_datetime_to_str and TIME_to_string functions. Note, that the
- caller is still responsible to check that given TIME structure
- has values in valid ranges, otherwise size of the buffer could
- be not enough. We also rely on the fact that even wrong values
- sent using binary protocol fit in this buffer.
-*/
-#define MAX_DATE_STRING_REP_LENGTH 30
-
-int my_time_to_str(const MYSQL_TIME *l_time, char *to, uint dec);
-int my_date_to_str(const MYSQL_TIME *l_time, char *to);
-int my_datetime_to_str(const MYSQL_TIME *l_time, char *to, uint dec);
-int my_TIME_to_str(const MYSQL_TIME *l_time, char *to, uint dec);
-
-int my_timeval_to_str(const struct timeval *tm, char *to, uint dec);
-
-/*
- Available interval types used in any statement.
-
- 'interval_type' must be sorted so that simple intervals comes first,
- ie year, quarter, month, week, day, hour, etc. The order based on
- interval size is also important and the intervals should be kept in a
- large to smaller order. (get_interval_value() depends on this)
-
- Note: If you change the order of elements in this enum you should fix
- order of elements in 'interval_type_to_name' and 'interval_names'
- arrays
-
- See also interval_type_to_name, get_interval_value, interval_names
-*/
-
-enum interval_type
-{
- INTERVAL_YEAR, INTERVAL_QUARTER, INTERVAL_MONTH, INTERVAL_WEEK, INTERVAL_DAY,
- INTERVAL_HOUR, INTERVAL_MINUTE, INTERVAL_SECOND, INTERVAL_MICROSECOND,
- INTERVAL_YEAR_MONTH, INTERVAL_DAY_HOUR, INTERVAL_DAY_MINUTE,
- INTERVAL_DAY_SECOND, INTERVAL_HOUR_MINUTE, INTERVAL_HOUR_SECOND,
- INTERVAL_MINUTE_SECOND, INTERVAL_DAY_MICROSECOND, INTERVAL_HOUR_MICROSECOND,
- INTERVAL_MINUTE_MICROSECOND, INTERVAL_SECOND_MICROSECOND, INTERVAL_LAST
-};
-
-C_MODE_END
-
-#endif /* _my_time_h_ */