0,0 → 1,81 |
/* |
Copyright (c) 1990-2001 Info-ZIP. All rights reserved. |
|
See the accompanying file LICENSE, version 2000-Apr-09 or later |
(the contents of which are also included in zip.h) for terms of use. |
If, for some reason, all these files are missing, the Info-ZIP license |
also may be found at: ftp://ftp.info-zip.org/pub/infozip/license.html |
*/ |
#ifndef __timezone_h |
#define __timezone_h |
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#ifndef IZ_MKTIME_ONLY |
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/* limits for our timezone info data: |
* we support only basic standard and daylight time, with max 2 transitions |
* per year, but for the maximum range of years a 32-bit second counter |
* can cover (these are 136 years plus a bit more than one month) |
*/ |
#define TZ_MAX_TIMES 272 /* (=2*(LastGoodYr + 1 - FirstGoodYr) */ |
#define TZ_MAX_TYPES 2 /* We only support basic standard and daylight */ |
#ifdef WIN32 /* Win32 tzinfo supplies at max (2 * 32) chars of tz names */ |
#define TZ_MAX_CHARS 64 /* Maximum number of abbreviation characters */ |
#else |
#define TZ_MAX_CHARS 50 /* Maximum number of abbreviation characters */ |
#endif |
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/* supported types of transition rules */ |
#define JULIAN_DAY 0 /* Jn - Julian day */ |
#define DAY_OF_YEAR 1 /* n - day of year */ |
#define MONTH_NTH_DAY_OF_WEEK 2 /* Mm.n.d - month, week, day of week */ |
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struct ttinfo { |
long tt_gmtoff; /* UTC offset in seconds */ |
int tt_isdst; /* used to set tm_isdst */ |
int tt_abbrind; /* abbreviation list index */ |
}; |
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struct state { |
int timecnt; |
int typecnt; |
int charcnt; |
time_t ats[TZ_MAX_TIMES]; |
unsigned char types[TZ_MAX_TIMES]; |
struct ttinfo ttis[TZ_MAX_TYPES]; |
char chars[TZ_MAX_CHARS]; |
}; |
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struct rule { |
int r_type; /* type of rule--JULIAN_DAY etc */ |
int r_day; /* day number of rule */ |
int r_week; /* week number of rule */ |
int r_mon; /* month number of rule */ |
long r_time; /* transition time of rule */ |
}; |
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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 |
int _isindst OF((struct tm *tb)); |
#endif |
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/* callback function to be supplied by the program that uses this library */ |
int GetPlatformLocalTimezone OF((register struct state * ZCONST sp, |
void (*fill_tzstate_from_rules)(struct state * ZCONST sp_res, |
ZCONST struct rule * ZCONST start, |
ZCONST struct rule * ZCONST end))); |
#ifdef IZTZ_SETLOCALTZINFO |
void set_TZ OF((long time_zone, int day_light)); |
#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 |