diff options
Diffstat (limited to 'cpukit/rtems/src/clocktodtoseconds.c')
| -rw-r--r-- | cpukit/rtems/src/clocktodtoseconds.c | 33 |
1 files changed, 8 insertions, 25 deletions
diff --git a/cpukit/rtems/src/clocktodtoseconds.c b/cpukit/rtems/src/clocktodtoseconds.c index 86e89f86eb..43bf6c59c5 100644 --- a/cpukit/rtems/src/clocktodtoseconds.c +++ b/cpukit/rtems/src/clocktodtoseconds.c @@ -23,16 +23,9 @@ #include <rtems/rtems/clockimpl.h> #include <rtems/score/todimpl.h> -#define TOD_SECONDS_AT_2100_03_01_00_00 4107542400UL - -/* - * The following array contains the number of days in all months - * up to the month indicated by the index of the second dimension. - * The first dimension should be 1 for leap years, and 0 otherwise. - */ -const uint16_t _TOD_Days_to_date[2][13] = { - { 0, 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 }, - { 0, 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335 } +const uint16_t _TOD_Days_to_date[ 2 ][ 13 ] = { + { 0, 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335 }, + { 0, 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334 } }; /* @@ -48,21 +41,18 @@ Watchdog_Interval _TOD_To_seconds( const rtems_time_of_day *the_tod ) { - uint32_t time; - uint32_t year_mod_4; + uint32_t time; + size_t leap_year_index; time = the_tod->day - 1; - year_mod_4 = the_tod->year & 3; - if ( year_mod_4 == 0 ) - time += _TOD_Days_to_date[ 1 ][ the_tod->month ]; - else - time += _TOD_Days_to_date[ 0 ][ the_tod->month ]; + leap_year_index = _TOD_Get_leap_year_index( the_tod->year ); + time += _TOD_Days_to_date[ leap_year_index ][ the_tod->month ]; time += ( (the_tod->year - TOD_BASE_YEAR) / 4 ) * ( (TOD_DAYS_PER_YEAR * 4) + 1); - time += _TOD_Days_since_last_leap_year[ year_mod_4 ]; + time += _TOD_Days_since_last_leap_year[ the_tod->year % 4 ]; time *= TOD_SECONDS_PER_DAY; @@ -70,13 +60,6 @@ Watchdog_Interval _TOD_To_seconds( * TOD_SECONDS_PER_MINUTE; time += the_tod->second; - - /* The year 2100 is not a leap year */ - if ( time - >= (TOD_SECONDS_AT_2100_03_01_00_00 - TOD_SECONDS_1970_THROUGH_1988)) { - time -= TOD_SECONDS_PER_DAY; - } - time += TOD_SECONDS_1970_THROUGH_1988; return( time ); |