mirror of
https://github.com/yuzu-emu/yuzu.git
synced 2024-12-29 12:50:05 +00:00
82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
|
|
// SPDX-FileCopyrightText: 1996 Arthur David Olson
|
|
// SPDX-License-Identifier: BSD-2-Clause
|
|
|
|
#pragma once
|
|
|
|
#include <cstdint>
|
|
#include <limits>
|
|
#include <span>
|
|
#include <array>
|
|
#include <time.h>
|
|
|
|
namespace Tz {
|
|
using u8 = uint8_t;
|
|
using s8 = int8_t;
|
|
using u16 = uint16_t;
|
|
using s16 = int16_t;
|
|
using u32 = uint32_t;
|
|
using s32 = int32_t;
|
|
using u64 = uint64_t;
|
|
using s64 = int64_t;
|
|
|
|
constexpr size_t TZ_MAX_TIMES = 1000;
|
|
constexpr size_t TZ_MAX_TYPES = 128;
|
|
constexpr size_t TZ_MAX_CHARS = 50;
|
|
constexpr size_t MY_TZNAME_MAX = 255;
|
|
constexpr size_t TZNAME_MAXIMUM = 255;
|
|
constexpr size_t TZ_MAX_LEAPS = 50;
|
|
constexpr s64 TIME_T_MAX = std::numeric_limits<s64>::max();
|
|
constexpr s64 TIME_T_MIN = std::numeric_limits<s64>::min();
|
|
constexpr size_t CHARS_EXTRA = 3;
|
|
constexpr size_t MAX_ZONE_CHARS = std::max(TZ_MAX_CHARS + CHARS_EXTRA, sizeof("UTC"));
|
|
constexpr size_t MAX_TZNAME_CHARS = 2 * (MY_TZNAME_MAX + 1);
|
|
|
|
struct ttinfo {
|
|
s32 tt_utoff;
|
|
bool tt_isdst;
|
|
s32 tt_desigidx;
|
|
bool tt_ttisstd;
|
|
bool tt_ttisut;
|
|
};
|
|
static_assert(sizeof(ttinfo) == 0x10, "ttinfo has the wrong size!");
|
|
|
|
struct Rule {
|
|
s32 timecnt;
|
|
s32 typecnt;
|
|
s32 charcnt;
|
|
bool goback;
|
|
bool goahead;
|
|
std::array <u8, 0x2> padding0;
|
|
std::array<s64, TZ_MAX_TIMES> ats;
|
|
std::array<u8, TZ_MAX_TIMES> types;
|
|
std::array<ttinfo, TZ_MAX_TYPES> ttis;
|
|
std::array<char, std::max(MAX_ZONE_CHARS, MAX_TZNAME_CHARS)> chars;
|
|
s32 defaulttype;
|
|
std::array <u8, 0x12C4> padding1;
|
|
};
|
|
static_assert(sizeof(Rule) == 0x4000, "Rule has the wrong size!");
|
|
|
|
struct CalendarTimeInternal {
|
|
s32 tm_sec;
|
|
s32 tm_min;
|
|
s32 tm_hour;
|
|
s32 tm_mday;
|
|
s32 tm_mon;
|
|
s32 tm_year;
|
|
s32 tm_wday;
|
|
s32 tm_yday;
|
|
s32 tm_isdst;
|
|
std::array<char, 16> tm_zone;
|
|
s32 tm_utoff;
|
|
s32 time_index;
|
|
};
|
|
static_assert(sizeof(CalendarTimeInternal) == 0x3C, "CalendarTimeInternal has the wrong size!");
|
|
|
|
s32 ParseTimeZoneBinary(Rule& out_rule, std::span<const u8> binary);
|
|
|
|
bool localtime_rz(CalendarTimeInternal* tmp, Rule const* sp, time_t* timep);
|
|
u32 mktime_tzname(time_t* out_time, Rule const* sp, CalendarTimeInternal* tmp);
|
|
|
|
} // namespace Tz
|