Measured on a PS5 (firmware 13.60) through dlopen of libSceRtc.sprx:
an empty fraction is accepted, any digits past the sixth are dropped,
text after the zone is ignored, the offset is applied without a range
check, and a 60th second returns 0 with the tick only shifted by the
offset.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
A year before 1980 or after 2107 cannot be packed into the DOS time, so
GetDosTime threw. Following the disassembly-derived fpPS4
reimplementation of the PS4 library, it now returns INVALID_YEAR after
writing 0 for an earlier year and 0xff9fbf7d, the largest encodable
time, for a later one. The TechnicalDebt entry now records fpPS4 as the
source for the SetDosTime year decode as well.
Ticks count microseconds since 0001-01-01 in the proleptic Gregorian
calendar, up to 9999-12-31 23:59:59.999999. Implement validation, tick
and date conversion, time_t and Win32 FILETIME conversion, UTC and
local time conversion through the host time zone, RFC 3339 formatting
and parsing, and tick arithmetic. Add sceRtcGetDaysInMonth,
sceRtcTickAddMonths and sceRtcTickAddYears, which clamp the day to the
end of the target month.
The network clock uses the host clock.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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