mirror of https://github.com/BOINC/boinc.git
82 lines
2.7 KiB
C
82 lines
2.7 KiB
C
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/*
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Copyright (c) 1990-2001 Info-ZIP. All rights reserved.
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See the accompanying file LICENSE, version 2000-Apr-09 or later
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(the contents of which are also included in zip.h) for terms of use.
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If, for some reason, all these files are missing, the Info-ZIP license
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also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html
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*/
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#ifndef __timezone_h
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#define __timezone_h
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#ifndef IZ_MKTIME_ONLY
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/* limits for our timezone info data:
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* we support only basic standard and daylight time, with max 2 transitions
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* per year, but for the maximum range of years a 32-bit second counter
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* can cover (these are 136 years plus a bit more than one month)
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*/
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#define TZ_MAX_TIMES 272 /* (=2*(LastGoodYr + 1 - FirstGoodYr) */
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#define TZ_MAX_TYPES 2 /* We only support basic standard and daylight */
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#ifdef WIN32 /* Win32 tzinfo supplies at max (2 * 32) chars of tz names */
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#define TZ_MAX_CHARS 64 /* Maximum number of abbreviation characters */
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#else
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#define TZ_MAX_CHARS 50 /* Maximum number of abbreviation characters */
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#endif
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/* supported types of transition rules */
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#define JULIAN_DAY 0 /* Jn - Julian day */
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#define DAY_OF_YEAR 1 /* n - day of year */
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#define MONTH_NTH_DAY_OF_WEEK 2 /* Mm.n.d - month, week, day of week */
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struct ttinfo {
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long tt_gmtoff; /* UTC offset in seconds */
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int tt_isdst; /* used to set tm_isdst */
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int tt_abbrind; /* abbreviation list index */
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};
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struct state {
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int timecnt;
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int typecnt;
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int charcnt;
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time_t ats[TZ_MAX_TIMES];
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unsigned char types[TZ_MAX_TIMES];
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struct ttinfo ttis[TZ_MAX_TYPES];
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char chars[TZ_MAX_CHARS];
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};
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struct rule {
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int r_type; /* type of rule--JULIAN_DAY etc */
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int r_day; /* day number of rule */
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int r_week; /* week number of rule */
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int r_mon; /* month number of rule */
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long r_time; /* transition time of rule */
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};
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extern int real_timezone_is_set; /* set by tzset() */
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/* prototypes of functions not in time.h */
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void __tzset OF((void));
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#ifdef NEED__ISINDST
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int _isindst OF((struct tm *tb));
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#endif
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/* callback function to be supplied by the program that uses this library */
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int GetPlatformLocalTimezone OF((register struct state * ZCONST sp,
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void (*fill_tzstate_from_rules)(struct state * ZCONST sp_res,
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ZCONST struct rule * ZCONST start,
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ZCONST struct rule * ZCONST end)));
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#ifdef IZTZ_SETLOCALTZINFO
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void set_TZ OF((long time_zone, int day_light));
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#endif
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#endif /* !IZ_MKTIME_ONLY */
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time_t mkgmtime OF((struct tm *tm));
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#endif
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