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timelib.h
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/* * The MIT License (MIT) * * Copyright (c) 2015 Derick Rethans * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #ifndef __TIMELIB_H__ #define __TIMELIB_H__ #include "timelib_structs.h" #if HAVE_LIMITS_H #include <limits.h> #endif #ifndef timelib_malloc # define timelib_malloc malloc # define timelib_realloc realloc # define timelib_calloc calloc # define timelib_strdup strdup # define timelib_free free #endif #define TIMELIB_VERSION 201602 #define TIMELIB_ASCII_VERSION "2016.02" #define TIMELIB_NONE 0x00 #define TIMELIB_OVERRIDE_TIME 0x01 #define TIMELIB_NO_CLONE 0x02 #define TIMELIB_UNSET -99999 #define TIMELIB_SPECIAL_WEEKDAY 0x01 #define TIMELIB_SPECIAL_DAY_OF_WEEK_IN_MONTH 0x02 #define TIMELIB_SPECIAL_LAST_DAY_OF_WEEK_IN_MONTH 0x03 #define TIMELIB_SPECIAL_FIRST_DAY_OF_MONTH 0x01 #define TIMELIB_SPECIAL_LAST_DAY_OF_MONTH 0x02 #ifndef LONG_MAX #define LONG_MAX 2147483647L #endif #ifndef LONG_MIN #define LONG_MIN (- LONG_MAX - 1) #endif #if defined(_MSC_VER) && !defined(strcasecmp) #define strcasecmp stricmp #endif #if defined(_MSC_VER) && !defined(strncasecmp) #define strncasecmp strnicmp #endif /* Function pointers */ typedef timelib_tzinfo* (*timelib_tz_get_wrapper)(char *tzname, const timelib_tzdb *tzdb); /* From dow.c */ timelib_sll timelib_day_of_week(timelib_sll y, timelib_sll m, timelib_sll d); timelib_sll timelib_iso_day_of_week(timelib_sll y, timelib_sll m, timelib_sll d); timelib_sll timelib_day_of_year(timelib_sll y, timelib_sll m, timelib_sll d); timelib_sll timelib_daynr_from_weeknr(timelib_sll y, timelib_sll w, timelib_sll d); timelib_sll timelib_days_in_month(timelib_sll y, timelib_sll m); void timelib_isoweek_from_date(timelib_sll y, timelib_sll m, timelib_sll d, timelib_sll *iw, timelib_sll *iy); int timelib_valid_time(timelib_sll h, timelib_sll i, timelib_sll s); int timelib_valid_date(timelib_sll y, timelib_sll m, timelib_sll d); /* From parse_date.re */ timelib_time *timelib_strtotime(char *s, size_t len, timelib_error_container **errors, const timelib_tzdb *tzdb, timelib_tz_get_wrapper tz_get_wrapper); timelib_time *timelib_parse_from_format(char *format, char *s, size_t len, timelib_error_container **errors, const timelib_tzdb *tzdb, timelib_tz_get_wrapper tz_get_wrapper); void timelib_fill_holes(timelib_time *parsed, timelib_time *now, int options); char *timelib_timezone_id_from_abbr(const char *abbr, timelib_long gmtoffset, int isdst); const timelib_tz_lookup_table *timelib_timezone_abbreviations_list(void); timelib_long timelib_parse_tz_cor(char**); /* From parse_iso_intervals.re */ void timelib_strtointerval(char *s, size_t len, timelib_time **begin, timelib_time **end, timelib_rel_time **period, int *recurrences, struct timelib_error_container **errors); /* From tm2unixtime.c */ void timelib_update_ts(timelib_time* time, timelib_tzinfo* tzi); void timelib_do_normalize(timelib_time *base); void timelib_do_rel_normalize(timelib_time *base, timelib_rel_time *rt); /* From unixtime2tm.c */ int timelib_apply_localtime(timelib_time *t, unsigned int localtime); void timelib_unixtime2gmt(timelib_time* tm, timelib_sll ts); void timelib_unixtime2local(timelib_time *tm, timelib_sll ts); void timelib_update_from_sse(timelib_time *tm); void timelib_set_timezone_from_offset(timelib_time *t, timelib_sll utc_offset); void timelib_set_timezone_from_abbr(timelib_time *t, timelib_abbr_info abbr_info); void timelib_set_timezone(timelib_time *t, timelib_tzinfo *tz); /* From parse_tz.c */ int timelib_timezone_id_is_valid(char *timezone, const timelib_tzdb *tzdb); timelib_tzinfo *timelib_parse_tzfile(char *timezone, const timelib_tzdb *tzdb); int timelib_timestamp_is_in_dst(timelib_sll ts, timelib_tzinfo *tz); timelib_time_offset *timelib_get_time_zone_info(timelib_sll ts, timelib_tzinfo *tz); timelib_sll timelib_get_current_offset(timelib_time *t); void timelib_dump_tzinfo(timelib_tzinfo *tz); const timelib_tzdb *timelib_builtin_db(void); const timelib_tzdb_index_entry *timelib_timezone_builtin_identifiers_list(int *count); timelib_long timelib_parse_zone(char **ptr, int *dst, timelib_time *t, int *tz_not_found, const timelib_tzdb *tzdb, timelib_tz_get_wrapper tz_wrapper); /* From timelib.c */ timelib_tzinfo* timelib_tzinfo_ctor(char *name); void timelib_time_tz_abbr_update(timelib_time* tm, char* tz_abbr); void timelib_time_tz_name_update(timelib_time* tm, char* tz_name); void timelib_tzinfo_dtor(timelib_tzinfo *tz); timelib_tzinfo* timelib_tzinfo_clone(timelib_tzinfo *tz); timelib_rel_time* timelib_rel_time_ctor(void); void timelib_rel_time_dtor(timelib_rel_time* t); timelib_rel_time* timelib_rel_time_clone(timelib_rel_time *tz); timelib_time* timelib_time_ctor(void); void timelib_time_set_option(timelib_time* tm, int option, void* option_value); void timelib_time_dtor(timelib_time* t); timelib_time* timelib_time_clone(timelib_time* orig); int timelib_time_compare(timelib_time *t1, timelib_time *t2); timelib_time_offset* timelib_time_offset_ctor(void); void timelib_time_offset_dtor(timelib_time_offset* t); void timelib_error_container_dtor(timelib_error_container *errors); timelib_long timelib_date_to_int(timelib_time *d, int *error); void timelib_dump_date(timelib_time *d, int options); void timelib_dump_rel_time(timelib_rel_time *d); void timelib_decimal_hour_to_hms(double h, int *hour, int *min, int *sec); timelib_long timelib_parse_tz_cor(char **ptr); /* from astro.c */ double timelib_ts_to_juliandate(timelib_sll ts); int timelib_astro_rise_set_altitude(timelib_time *time, double lon, double lat, double altit, int upper_limb, double *h_rise, double *h_set, timelib_sll *ts_rise, timelib_sll *ts_set, timelib_sll *ts_transit); /* from interval.c */ timelib_rel_time *timelib_diff(timelib_time *one, timelib_time *two); timelib_time *timelib_add(timelib_time *t, timelib_rel_time *interval); timelib_time *timelib_sub(timelib_time *t, timelib_rel_time *interval); #endif