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N-Gage: Add SDL_TimeToDateTime() implementation (#14141)

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Add simple but working SDL_TimeToDateTime() implementation.

Fixes https://github.com/libsdl-org/SDL/issues/14047
This commit is contained in:
Michael Fitzmayer
2025-10-04 19:00:27 +02:00
committed by GitHub
parent bcf3afb6f3
commit dc1cc98e2b
1 changed files with 30 additions and 11 deletions
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41
src/time/ngage/SDL_systime.cpp
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@@ -152,7 +152,8 @@ void SDL_GetSystemTimeLocalePreferences(SDL_DateFormat *df, SDL_TimeFormat *tf)
bool SDL_GetCurrentTime(SDL_Time *ticks)
{
CHECK_PARAM(!ticks) {
CHECK_PARAM(!ticks)
{
return SDL_InvalidParamError("ticks");
}
@@ -169,21 +170,39 @@ bool SDL_GetCurrentTime(SDL_Time *ticks)
return true;
}
#define SYMBIAN_UNIX_EPOCH_OFFSET_US 62135596800000000LL
bool SDL_TimeToDateTime(SDL_Time ticks, SDL_DateTime *dt, bool localTime)
{
CHECK_PARAM(!dt) {
CHECK_PARAM(!dt)
{
return SDL_InvalidParamError("dt");
}
// FIXME: Need implementation
dt->year = 1970;
dt->month = 1;
dt->day = 1;
dt->hour = 0;
dt->minute = 0;
dt->second = 0;
dt->nanosecond = 0;
dt->day_of_week = 4;
long long unixMicros = ticks / 1000LL;
unixMicros += SYMBIAN_UNIX_EPOCH_OFFSET_US;
TInt32 high = (TInt32)(unixMicros >> 32);
TUint32 low = (TUint32)(unixMicros & 0xFFFFFFFFu);
TInt64 symbianTime(high, low);
TTime s60Time(symbianTime);
if (localTime) {
s60Time.HomeTime();
}
TDateTime dtSym = s60Time.DateTime();
dt->year = dtSym.Year();
dt->month = dtSym.Month() + 1; // Months are 0-11
dt->day = dtSym.Day() + 1; // Days are 0-30
dt->hour = dtSym.Hour();
dt->minute = dtSym.Minute();
dt->second = dtSym.Second();
dt->nanosecond = (int)(ticks % 1000000000LL);
dt->day_of_week = s60Time.DayNoInWeek();
dt->utc_offset = 0;
return true;