diff options
| -rw-r--r-- | core/bind/core_bind.cpp | 55 | ||||
| -rw-r--r-- | core/bind/core_bind.h | 4 |
2 files changed, 33 insertions, 26 deletions
diff --git a/core/bind/core_bind.cpp b/core/bind/core_bind.cpp index 626d41dca0..26ba28370f 100644 --- a/core/bind/core_bind.cpp +++ b/core/bind/core_bind.cpp @@ -658,7 +658,7 @@ Dictionary _OS::get_time(bool utc) const { * * @return epoch calculated */ -uint64_t _OS::get_unix_time_from_datetime(Dictionary datetime) const { +int64_t _OS::get_unix_time_from_datetime(Dictionary datetime) const { // Bunch of conversion constants static const unsigned int SECONDS_PER_MINUTE = 60; @@ -703,13 +703,18 @@ uint64_t _OS::get_unix_time_from_datetime(Dictionary datetime) const { // Calculate all the seconds from months past in this year uint64_t SECONDS_FROM_MONTHS_PAST_THIS_YEAR = DAYS_PAST_THIS_YEAR_TABLE[LEAPYEAR(year)][month - 1] * SECONDS_PER_DAY; - uint64_t SECONDS_FROM_YEARS_PAST = 0; - for (unsigned int iyear = EPOCH_YR; iyear < year; iyear++) { - - SECONDS_FROM_YEARS_PAST += YEARSIZE(iyear) * SECONDS_PER_DAY; + int64_t SECONDS_FROM_YEARS_PAST = 0; + if (year >= EPOCH_YR) { + for (unsigned int iyear = EPOCH_YR; iyear < year; iyear++) { + SECONDS_FROM_YEARS_PAST += YEARSIZE(iyear) * SECONDS_PER_DAY; + } + } else { + for (unsigned int iyear = EPOCH_YR - 1; iyear >= year; iyear--) { + SECONDS_FROM_YEARS_PAST -= YEARSIZE(iyear) * SECONDS_PER_DAY; + } } - uint64_t epoch = + int64_t epoch = second + minute * SECONDS_PER_MINUTE + hour * SECONDS_PER_HOUR + @@ -732,34 +737,36 @@ uint64_t _OS::get_unix_time_from_datetime(Dictionary datetime) const { * * @return dictionary of date and time values */ -Dictionary _OS::get_datetime_from_unix_time(uint64_t unix_time_val) const { - - // Just fail if unix time is negative (when interpreted as an int). - // This means the user passed in a negative value by accident - ERR_EXPLAIN("unix_time_val was really huge!" + itos(unix_time_val) + " You probably passed in a negative value!"); - ERR_FAIL_COND_V((int64_t)unix_time_val < 0, Dictionary()); +Dictionary _OS::get_datetime_from_unix_time(int64_t unix_time_val) const { OS::Date date; OS::Time time; - unsigned long dayclock, dayno; + long dayclock, dayno; int year = EPOCH_YR; - dayclock = (unsigned long)unix_time_val % SECS_DAY; - dayno = (unsigned long)unix_time_val / SECS_DAY; + if (unix_time_val >= 0) { + dayno = unix_time_val / SECS_DAY; + dayclock = unix_time_val % SECS_DAY; + /* day 0 was a thursday */ + date.weekday = static_cast<OS::Weekday>((dayno + 4) % 7); + while (dayno >= YEARSIZE(year)) { + dayno -= YEARSIZE(year); + year++; + } + } else { + dayno = (unix_time_val - SECS_DAY + 1) / SECS_DAY; + dayclock = unix_time_val - dayno * SECS_DAY; + date.weekday = static_cast<OS::Weekday>((dayno - 3) % 7 + 7); + do { + year--; + dayno += YEARSIZE(year); + } while (dayno < 0); + } time.sec = dayclock % 60; time.min = (dayclock % 3600) / 60; time.hour = dayclock / 3600; - - /* day 0 was a thursday */ - date.weekday = static_cast<OS::Weekday>((dayno + 4) % 7); - - while (dayno >= YEARSIZE(year)) { - dayno -= YEARSIZE(year); - year++; - } - date.year = year; size_t imonth = 0; diff --git a/core/bind/core_bind.h b/core/bind/core_bind.h index 311372aeca..b587b9257f 100644 --- a/core/bind/core_bind.h +++ b/core/bind/core_bind.h @@ -270,8 +270,8 @@ public: Dictionary get_date(bool utc) const; Dictionary get_time(bool utc) const; Dictionary get_datetime(bool utc) const; - Dictionary get_datetime_from_unix_time(uint64_t unix_time_val) const; - uint64_t get_unix_time_from_datetime(Dictionary datetime) const; + Dictionary get_datetime_from_unix_time(int64_t unix_time_val) const; + int64_t get_unix_time_from_datetime(Dictionary datetime) const; Dictionary get_time_zone_info() const; uint64_t get_unix_time() const; uint64_t get_system_time_secs() const; |