53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
|
/*
|
||
|
|
**********************************************************************
|
||
|
|
* Copyright (C) 1999, International Business Machines
|
||
|
|
* Corporation and others. All Rights Reserved.
|
||
|
|
**********************************************************************
|
||
|
|
* Date Name Description
|
||
|
|
* 11/24/99 aliu Creation.
|
||
|
|
**********************************************************************
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef TZDAT_H
|
||
|
|
#define TZDAT_H
|
||
|
|
|
||
|
|
#include "utypes.h"
|
||
|
|
|
||
|
|
/* This file defines the format of the memory-mapped data file
|
||
|
|
* containing system time zone data for icu. See also gentz
|
||
|
|
* and tz.pl.
|
||
|
|
*/
|
||
|
|
|
||
|
|
struct TZHeader {
|
||
|
|
uint16_t versionYear; // e.g. "1999j" -> 1999
|
||
|
|
uint16_t versionSuffix; // e.g. "1999j" -> 10
|
||
|
|
uint32_t standardCount; // # of standard rules
|
||
|
|
uint32_t standardOffset; // offset to standard rules
|
||
|
|
uint32_t dstCount; // # of dst rules
|
||
|
|
uint32_t dstOffset; // offset to dst rules
|
||
|
|
uint32_t nameTableOffset; // offset to name table
|
||
|
|
};
|
||
|
|
|
||
|
|
struct StandardZone {
|
||
|
|
uint32_t nameOffset; // offset *within name table* to name
|
||
|
|
int32_t gmtOffset; // gmtoffset in seconds
|
||
|
|
};
|
||
|
|
|
||
|
|
struct TZRule {
|
||
|
|
uint8_t month; // month
|
||
|
|
int8_t dowim; // dowim
|
||
|
|
int8_t dow; // dow
|
||
|
|
uint16_t time; // time minutes
|
||
|
|
int8_t mode; // mode ('w', 's', 'u')
|
||
|
|
};
|
||
|
|
|
||
|
|
struct DSTZone {
|
||
|
|
uint32_t nameOffset; // offset within name table to name
|
||
|
|
int32_t gmtOffset; // gmtoffset in seconds
|
||
|
|
uint16_t dstSavings; // savings in minutes
|
||
|
|
TZRule onsetRule; // onset rule
|
||
|
|
TZRule ceaseRule; // cease rule
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|