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Jim Meyering
6e5149f0ab
* getdate.y: Rewrite to use mktime. <sys/timeb.h>: Don't include. (mktime): Declare. (struct timeb, timezone, DOOMSDAY, SECSPERDAY, DSTMODE, yyDSTmode, ToSeconds, Convert, DSTcorrect, RelativeDate, RelativeMonth): Remove. (ToHour): New function (part of the old ToSeconds fn). (ToYear): New function (part of the old Convert fn). (TABLE.value, yyDayOrdinal, yyDayNumber, yyTimezone, yyDay, yyHour, yyMinutes, yyMonth, yySeconds, yyYear, yyRelMonth, yyRelSeconds, Number): Now int instead of time_t. (HOUR): Don't cast to time_t. (tDAY_UNIT, tHOUR_UNIT, tYEAR_UNIT): New %tokens. (UnitsTable): Use new units that are closer to the keywords. (yyRelDay, yyRelHour, yyRelMinutes, yyRelYear): New variables. (rel, relunit, get_date): Add support for them. (time): Fix timezone calculations for negative half-hour offsets when integer division truncates towards minus infinity. (zone): Incorporiate DST calculation directly. (get_date): 2nd arg is now time_t *, not struct timeb *. Use mktime to do most of the work, instead of computing it ourselves. Guard against falsely reporting errors near the time_t boundaries when parsing times in other time zones.