82 lines
2.7 KiB
C
82 lines
2.7 KiB
C
|
/*
|
||
|
|
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
|
||
|
|
|
||
|
|
#ifndef IZ_MKTIME_ONLY
|
||
|
|
|
||
|
|
/* 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
|
||
|
|
|
||
|
|
/* 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 */
|
||
|
|
|
||
|
|
|
||
|
|
struct ttinfo {
|
||
|
|
long tt_gmtoff; /* UTC offset in seconds */
|
||
|
|
int tt_isdst; /* used to set tm_isdst */
|
||
|
|
int tt_abbrind; /* abbreviation list index */
|
||
|
|
};
|
||
|
|
|
||
|
|
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];
|
||
|
|
};
|
||
|
|
|
||
|
|
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 */
|
||
|
|
};
|
||
|
|
|
||
|
|
extern int real_timezone_is_set; /* set by tzset() */
|
||
|
|
|
||
|
|
|
||
|
|
/* prototypes of functions not in time.h */
|
||
|
|
|
||
|
|
void __tzset OF((void));
|
||
|
|
|
||
|
|
#ifdef NEED__ISINDST
|
||
|
|
int _isindst OF((struct tm *tb));
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* 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
|
||
|
|
|
||
|
|
#endif /* !IZ_MKTIME_ONLY */
|
||
|
|
|
||
|
|
time_t mkgmtime OF((struct tm *tm));
|
||
|
|
|
||
|
|
#endif
|