X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fgetdate.y;h=445865bdb839ebbe2f3c9e44e94c6182daaeb453;hb=800b95c20c636e1bd2e0f1c5e1ce3f84b5089942;hp=f0227108177de5620f149f45b1b409ad7e1a9702;hpb=a68c9ab3cfc8ac7cf2a709b0c1aa93229f8635e6;p=gnulib.git diff --git a/lib/getdate.y b/lib/getdate.y index f02271081..445865bdb 100644 --- a/lib/getdate.y +++ b/lib/getdate.y @@ -1,8 +1,8 @@ %{ /* Parse a string into an internal time stamp. - Copyright (C) 1999, 2000, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 - Free Software Foundation, Inc. + Copyright (C) 1999, 2000, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, + 2010 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -78,16 +78,6 @@ of `digit' even when the host does not conform to POSIX. */ #define ISDIGIT(c) ((unsigned int) (c) - '0' <= 9) -#ifndef __attribute__ -# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8) || __STRICT_ANSI__ -# define __attribute__(x) -# endif -#endif - -#ifndef ATTRIBUTE_UNUSED -# define ATTRIBUTE_UNUSED __attribute__ ((__unused__)) -#endif - /* Shift A right by B bits portably, by dividing A by 2**B and truncating towards minus infinity. A and B should be free of side effects, and B should be in the range 0 <= B <= INT_BITS - 2, where @@ -98,9 +88,9 @@ implementations (e.g., UNICOS 9.0 on a Cray Y-MP EL) don't shift right in the usual way when A < 0, so SHR falls back on division if ordinary A >> B doesn't seem to be the usual signed shift. */ -#define SHR(a, b) \ - (-1 >> 1 == -1 \ - ? (a) >> (b) \ +#define SHR(a, b) \ + (-1 >> 1 == -1 \ + ? (a) >> (b) \ : (a) / (1 << (b)) - ((a) % (1 << (b)) < 0)) #define EPOCH_YEAR 1970 @@ -228,30 +218,30 @@ digits_to_date_time (parser_control *pc, textint text_int) else { if (4 < text_int.digits) - { - pc->dates_seen++; - pc->day = text_int.value % 100; - pc->month = (text_int.value / 100) % 100; - pc->year.value = text_int.value / 10000; - pc->year.digits = text_int.digits - 4; - } + { + pc->dates_seen++; + pc->day = text_int.value % 100; + pc->month = (text_int.value / 100) % 100; + pc->year.value = text_int.value / 10000; + pc->year.digits = text_int.digits - 4; + } else - { - pc->times_seen++; - if (text_int.digits <= 2) - { - pc->hour = text_int.value; - pc->minutes = 0; - } - else - { - pc->hour = text_int.value / 100; - pc->minutes = text_int.value % 100; - } - pc->seconds.tv_sec = 0; - pc->seconds.tv_nsec = 0; - pc->meridian = MER24; - } + { + pc->times_seen++; + if (text_int.digits <= 2) + { + pc->hour = text_int.value; + pc->minutes = 0; + } + else + { + pc->hour = text_int.value / 100; + pc->minutes = text_int.value % 100; + } + pc->seconds.tv_sec = 0; + pc->seconds.tv_nsec = 0; + pc->meridian = MER24; + } } } @@ -272,7 +262,7 @@ apply_relative_time (parser_control *pc, relative_time rel, int factor) /* Set PC-> hour, minutes, seconds and nanoseconds members from arguments. */ static void set_hhmmss (parser_control *pc, long int hour, long int minutes, - time_t sec, long int nsec) + time_t sec, long int nsec) { pc->hour = hour; pc->minutes = minutes; @@ -325,8 +315,8 @@ spec: timespec: '@' seconds { - pc->seconds = $2; - pc->timespec_seen = true; + pc->seconds = $2; + pc->timespec_seen = true; } ; @@ -354,45 +344,45 @@ item: time: tUNUMBER tMERIDIAN { - set_hhmmss (pc, $1.value, 0, 0, 0); - pc->meridian = $2; + set_hhmmss (pc, $1.value, 0, 0, 0); + pc->meridian = $2; } | tUNUMBER ':' tUNUMBER o_merid { - set_hhmmss (pc, $1.value, $3.value, 0, 0); - pc->meridian = $4; + set_hhmmss (pc, $1.value, $3.value, 0, 0); + pc->meridian = $4; } | tUNUMBER ':' tUNUMBER tSNUMBER o_colon_minutes { - set_hhmmss (pc, $1.value, $3.value, 0, 0); - pc->meridian = MER24; - pc->zones_seen++; - pc->time_zone = time_zone_hhmm (pc, $4, $5); + set_hhmmss (pc, $1.value, $3.value, 0, 0); + pc->meridian = MER24; + pc->zones_seen++; + pc->time_zone = time_zone_hhmm (pc, $4, $5); } | tUNUMBER ':' tUNUMBER ':' unsigned_seconds o_merid { - set_hhmmss (pc, $1.value, $3.value, $5.tv_sec, $5.tv_nsec); - pc->meridian = $6; + set_hhmmss (pc, $1.value, $3.value, $5.tv_sec, $5.tv_nsec); + pc->meridian = $6; } | tUNUMBER ':' tUNUMBER ':' unsigned_seconds tSNUMBER o_colon_minutes { - set_hhmmss (pc, $1.value, $3.value, $5.tv_sec, $5.tv_nsec); - pc->meridian = MER24; - pc->zones_seen++; - pc->time_zone = time_zone_hhmm (pc, $6, $7); + set_hhmmss (pc, $1.value, $3.value, $5.tv_sec, $5.tv_nsec); + pc->meridian = MER24; + pc->zones_seen++; + pc->time_zone = time_zone_hhmm (pc, $6, $7); } ; local_zone: tLOCAL_ZONE { - pc->local_isdst = $1; - pc->dsts_seen += (0 < $1); + pc->local_isdst = $1; + pc->dsts_seen += (0 < $1); } | tLOCAL_ZONE tDST { - pc->local_isdst = 1; - pc->dsts_seen += (0 < $1) + 1; + pc->local_isdst = 1; + pc->dsts_seen += (0 < $1) + 1; } ; @@ -401,7 +391,7 @@ zone: { pc->time_zone = $1; } | tZONE relunit_snumber { pc->time_zone = $1; - apply_relative_time (pc, $2, 1); } + apply_relative_time (pc, $2, 1); } | tZONE tSNUMBER o_colon_minutes { pc->time_zone = $1 + time_zone_hhmm (pc, $2, $3); } | tDAYZONE @@ -413,96 +403,96 @@ zone: day: tDAY { - pc->day_ordinal = 0; - pc->day_number = $1; + pc->day_ordinal = 0; + pc->day_number = $1; } | tDAY ',' { - pc->day_ordinal = 0; - pc->day_number = $1; + pc->day_ordinal = 0; + pc->day_number = $1; } | tORDINAL tDAY { - pc->day_ordinal = $1; - pc->day_number = $2; + pc->day_ordinal = $1; + pc->day_number = $2; } | tUNUMBER tDAY { - pc->day_ordinal = $1.value; - pc->day_number = $2; + pc->day_ordinal = $1.value; + pc->day_number = $2; } ; date: tUNUMBER '/' tUNUMBER { - pc->month = $1.value; - pc->day = $3.value; + pc->month = $1.value; + pc->day = $3.value; } | tUNUMBER '/' tUNUMBER '/' tUNUMBER { - /* Interpret as YYYY/MM/DD if the first value has 4 or more digits, - otherwise as MM/DD/YY. - The goal in recognizing YYYY/MM/DD is solely to support legacy - machine-generated dates like those in an RCS log listing. If - you want portability, use the ISO 8601 format. */ - if (4 <= $1.digits) - { - pc->year = $1; - pc->month = $3.value; - pc->day = $5.value; - } - else - { - pc->month = $1.value; - pc->day = $3.value; - pc->year = $5; - } + /* Interpret as YYYY/MM/DD if the first value has 4 or more digits, + otherwise as MM/DD/YY. + The goal in recognizing YYYY/MM/DD is solely to support legacy + machine-generated dates like those in an RCS log listing. If + you want portability, use the ISO 8601 format. */ + if (4 <= $1.digits) + { + pc->year = $1; + pc->month = $3.value; + pc->day = $5.value; + } + else + { + pc->month = $1.value; + pc->day = $3.value; + pc->year = $5; + } } | tUNUMBER tSNUMBER tSNUMBER { - /* ISO 8601 format. YYYY-MM-DD. */ - pc->year = $1; - pc->month = -$2.value; - pc->day = -$3.value; + /* ISO 8601 format. YYYY-MM-DD. */ + pc->year = $1; + pc->month = -$2.value; + pc->day = -$3.value; } | tUNUMBER tMONTH tSNUMBER { - /* e.g. 17-JUN-1992. */ - pc->day = $1.value; - pc->month = $2; - pc->year.value = -$3.value; - pc->year.digits = $3.digits; + /* e.g. 17-JUN-1992. */ + pc->day = $1.value; + pc->month = $2; + pc->year.value = -$3.value; + pc->year.digits = $3.digits; } | tMONTH tSNUMBER tSNUMBER { - /* e.g. JUN-17-1992. */ - pc->month = $1; - pc->day = -$2.value; - pc->year.value = -$3.value; - pc->year.digits = $3.digits; + /* e.g. JUN-17-1992. */ + pc->month = $1; + pc->day = -$2.value; + pc->year.value = -$3.value; + pc->year.digits = $3.digits; } | tMONTH tUNUMBER { - pc->month = $1; - pc->day = $2.value; + pc->month = $1; + pc->day = $2.value; } | tMONTH tUNUMBER ',' tUNUMBER { - pc->month = $1; - pc->day = $2.value; - pc->year = $4; + pc->month = $1; + pc->day = $2.value; + pc->year = $4; } | tUNUMBER tMONTH { - pc->day = $1.value; - pc->month = $2; + pc->day = $1.value; + pc->month = $2; } | tUNUMBER tMONTH tUNUMBER { - pc->day = $1.value; - pc->month = $2; - pc->year = $3; + pc->day = $1.value; + pc->month = $2; + pc->year = $3; } ; @@ -601,10 +591,10 @@ number: hybrid: tUNUMBER relunit_snumber { - /* Hybrid all-digit and relative offset, so that we accept e.g., - "YYYYMMDD +N days" as well as "YYYYMMDD N days". */ - digits_to_date_time (pc, $1); - apply_relative_time (pc, $2, 1); + /* Hybrid all-digit and relative offset, so that we accept e.g., + "YYYYMMDD +N days" as well as "YYYYMMDD N days". */ + digits_to_date_time (pc, $1); + apply_relative_time (pc, $2, 1); } ; @@ -640,71 +630,71 @@ static table const dst_table[] = static table const month_and_day_table[] = { - { "JANUARY", tMONTH, 1 }, - { "FEBRUARY", tMONTH, 2 }, - { "MARCH", tMONTH, 3 }, - { "APRIL", tMONTH, 4 }, - { "MAY", tMONTH, 5 }, - { "JUNE", tMONTH, 6 }, - { "JULY", tMONTH, 7 }, - { "AUGUST", tMONTH, 8 }, - { "SEPTEMBER",tMONTH, 9 }, - { "SEPT", tMONTH, 9 }, - { "OCTOBER", tMONTH, 10 }, - { "NOVEMBER", tMONTH, 11 }, - { "DECEMBER", tMONTH, 12 }, - { "SUNDAY", tDAY, 0 }, - { "MONDAY", tDAY, 1 }, - { "TUESDAY", tDAY, 2 }, - { "TUES", tDAY, 2 }, - { "WEDNESDAY",tDAY, 3 }, - { "WEDNES", tDAY, 3 }, - { "THURSDAY", tDAY, 4 }, - { "THUR", tDAY, 4 }, - { "THURS", tDAY, 4 }, - { "FRIDAY", tDAY, 5 }, - { "SATURDAY", tDAY, 6 }, + { "JANUARY", tMONTH, 1 }, + { "FEBRUARY", tMONTH, 2 }, + { "MARCH", tMONTH, 3 }, + { "APRIL", tMONTH, 4 }, + { "MAY", tMONTH, 5 }, + { "JUNE", tMONTH, 6 }, + { "JULY", tMONTH, 7 }, + { "AUGUST", tMONTH, 8 }, + { "SEPTEMBER",tMONTH, 9 }, + { "SEPT", tMONTH, 9 }, + { "OCTOBER", tMONTH, 10 }, + { "NOVEMBER", tMONTH, 11 }, + { "DECEMBER", tMONTH, 12 }, + { "SUNDAY", tDAY, 0 }, + { "MONDAY", tDAY, 1 }, + { "TUESDAY", tDAY, 2 }, + { "TUES", tDAY, 2 }, + { "WEDNESDAY",tDAY, 3 }, + { "WEDNES", tDAY, 3 }, + { "THURSDAY", tDAY, 4 }, + { "THUR", tDAY, 4 }, + { "THURS", tDAY, 4 }, + { "FRIDAY", tDAY, 5 }, + { "SATURDAY", tDAY, 6 }, { NULL, 0, 0 } }; static table const time_units_table[] = { - { "YEAR", tYEAR_UNIT, 1 }, - { "MONTH", tMONTH_UNIT, 1 }, - { "FORTNIGHT",tDAY_UNIT, 14 }, - { "WEEK", tDAY_UNIT, 7 }, - { "DAY", tDAY_UNIT, 1 }, - { "HOUR", tHOUR_UNIT, 1 }, - { "MINUTE", tMINUTE_UNIT, 1 }, - { "MIN", tMINUTE_UNIT, 1 }, - { "SECOND", tSEC_UNIT, 1 }, - { "SEC", tSEC_UNIT, 1 }, + { "YEAR", tYEAR_UNIT, 1 }, + { "MONTH", tMONTH_UNIT, 1 }, + { "FORTNIGHT",tDAY_UNIT, 14 }, + { "WEEK", tDAY_UNIT, 7 }, + { "DAY", tDAY_UNIT, 1 }, + { "HOUR", tHOUR_UNIT, 1 }, + { "MINUTE", tMINUTE_UNIT, 1 }, + { "MIN", tMINUTE_UNIT, 1 }, + { "SECOND", tSEC_UNIT, 1 }, + { "SEC", tSEC_UNIT, 1 }, { NULL, 0, 0 } }; /* Assorted relative-time words. */ static table const relative_time_table[] = { - { "TOMORROW", tDAY_SHIFT, 1 }, - { "YESTERDAY",tDAY_SHIFT, -1 }, - { "TODAY", tDAY_SHIFT, 0 }, - { "NOW", tDAY_SHIFT, 0 }, - { "LAST", tORDINAL, -1 }, - { "THIS", tORDINAL, 0 }, - { "NEXT", tORDINAL, 1 }, - { "FIRST", tORDINAL, 1 }, -/*{ "SECOND", tORDINAL, 2 }, */ - { "THIRD", tORDINAL, 3 }, - { "FOURTH", tORDINAL, 4 }, - { "FIFTH", tORDINAL, 5 }, - { "SIXTH", tORDINAL, 6 }, - { "SEVENTH", tORDINAL, 7 }, - { "EIGHTH", tORDINAL, 8 }, - { "NINTH", tORDINAL, 9 }, - { "TENTH", tORDINAL, 10 }, - { "ELEVENTH", tORDINAL, 11 }, - { "TWELFTH", tORDINAL, 12 }, - { "AGO", tAGO, 1 }, + { "TOMORROW", tDAY_SHIFT, 1 }, + { "YESTERDAY",tDAY_SHIFT, -1 }, + { "TODAY", tDAY_SHIFT, 0 }, + { "NOW", tDAY_SHIFT, 0 }, + { "LAST", tORDINAL, -1 }, + { "THIS", tORDINAL, 0 }, + { "NEXT", tORDINAL, 1 }, + { "FIRST", tORDINAL, 1 }, +/*{ "SECOND", tORDINAL, 2 }, */ + { "THIRD", tORDINAL, 3 }, + { "FOURTH", tORDINAL, 4 }, + { "FIFTH", tORDINAL, 5 }, + { "SIXTH", tORDINAL, 6 }, + { "SEVENTH", tORDINAL, 7 }, + { "EIGHTH", tORDINAL, 8 }, + { "NINTH", tORDINAL, 9 }, + { "TENTH", tORDINAL, 10 }, + { "ELEVENTH", tORDINAL, 11 }, + { "TWELFTH", tORDINAL, 12 }, + { "AGO", tAGO, 1 }, { NULL, 0, 0 } }; @@ -713,9 +703,9 @@ static table const relative_time_table[] = stamps in London during summer. */ static table const universal_time_zone_table[] = { - { "GMT", tZONE, HOUR ( 0) }, /* Greenwich Mean */ - { "UT", tZONE, HOUR ( 0) }, /* Universal (Coordinated) */ - { "UTC", tZONE, HOUR ( 0) }, + { "GMT", tZONE, HOUR ( 0) }, /* Greenwich Mean */ + { "UT", tZONE, HOUR ( 0) }, /* Universal (Coordinated) */ + { "UTC", tZONE, HOUR ( 0) }, { NULL, 0, 0 } }; @@ -726,84 +716,84 @@ static table const universal_time_zone_table[] = abbreviations; use numeric abbreviations like `-0500' instead. */ static table const time_zone_table[] = { - { "WET", tZONE, HOUR ( 0) }, /* Western European */ - { "WEST", tDAYZONE, HOUR ( 0) }, /* Western European Summer */ - { "BST", tDAYZONE, HOUR ( 0) }, /* British Summer */ - { "ART", tZONE, -HOUR ( 3) }, /* Argentina */ - { "BRT", tZONE, -HOUR ( 3) }, /* Brazil */ - { "BRST", tDAYZONE, -HOUR ( 3) }, /* Brazil Summer */ - { "NST", tZONE, -(HOUR ( 3) + 30) }, /* Newfoundland Standard */ - { "NDT", tDAYZONE,-(HOUR ( 3) + 30) }, /* Newfoundland Daylight */ - { "AST", tZONE, -HOUR ( 4) }, /* Atlantic Standard */ - { "ADT", tDAYZONE, -HOUR ( 4) }, /* Atlantic Daylight */ - { "CLT", tZONE, -HOUR ( 4) }, /* Chile */ - { "CLST", tDAYZONE, -HOUR ( 4) }, /* Chile Summer */ - { "EST", tZONE, -HOUR ( 5) }, /* Eastern Standard */ - { "EDT", tDAYZONE, -HOUR ( 5) }, /* Eastern Daylight */ - { "CST", tZONE, -HOUR ( 6) }, /* Central Standard */ - { "CDT", tDAYZONE, -HOUR ( 6) }, /* Central Daylight */ - { "MST", tZONE, -HOUR ( 7) }, /* Mountain Standard */ - { "MDT", tDAYZONE, -HOUR ( 7) }, /* Mountain Daylight */ - { "PST", tZONE, -HOUR ( 8) }, /* Pacific Standard */ - { "PDT", tDAYZONE, -HOUR ( 8) }, /* Pacific Daylight */ - { "AKST", tZONE, -HOUR ( 9) }, /* Alaska Standard */ - { "AKDT", tDAYZONE, -HOUR ( 9) }, /* Alaska Daylight */ - { "HST", tZONE, -HOUR (10) }, /* Hawaii Standard */ - { "HAST", tZONE, -HOUR (10) }, /* Hawaii-Aleutian Standard */ - { "HADT", tDAYZONE, -HOUR (10) }, /* Hawaii-Aleutian Daylight */ - { "SST", tZONE, -HOUR (12) }, /* Samoa Standard */ - { "WAT", tZONE, HOUR ( 1) }, /* West Africa */ - { "CET", tZONE, HOUR ( 1) }, /* Central European */ - { "CEST", tDAYZONE, HOUR ( 1) }, /* Central European Summer */ - { "MET", tZONE, HOUR ( 1) }, /* Middle European */ - { "MEZ", tZONE, HOUR ( 1) }, /* Middle European */ - { "MEST", tDAYZONE, HOUR ( 1) }, /* Middle European Summer */ - { "MESZ", tDAYZONE, HOUR ( 1) }, /* Middle European Summer */ - { "EET", tZONE, HOUR ( 2) }, /* Eastern European */ - { "EEST", tDAYZONE, HOUR ( 2) }, /* Eastern European Summer */ - { "CAT", tZONE, HOUR ( 2) }, /* Central Africa */ - { "SAST", tZONE, HOUR ( 2) }, /* South Africa Standard */ - { "EAT", tZONE, HOUR ( 3) }, /* East Africa */ - { "MSK", tZONE, HOUR ( 3) }, /* Moscow */ - { "MSD", tDAYZONE, HOUR ( 3) }, /* Moscow Daylight */ - { "IST", tZONE, (HOUR ( 5) + 30) }, /* India Standard */ - { "SGT", tZONE, HOUR ( 8) }, /* Singapore */ - { "KST", tZONE, HOUR ( 9) }, /* Korea Standard */ - { "JST", tZONE, HOUR ( 9) }, /* Japan Standard */ - { "GST", tZONE, HOUR (10) }, /* Guam Standard */ - { "NZST", tZONE, HOUR (12) }, /* New Zealand Standard */ - { "NZDT", tDAYZONE, HOUR (12) }, /* New Zealand Daylight */ + { "WET", tZONE, HOUR ( 0) }, /* Western European */ + { "WEST", tDAYZONE, HOUR ( 0) }, /* Western European Summer */ + { "BST", tDAYZONE, HOUR ( 0) }, /* British Summer */ + { "ART", tZONE, -HOUR ( 3) }, /* Argentina */ + { "BRT", tZONE, -HOUR ( 3) }, /* Brazil */ + { "BRST", tDAYZONE, -HOUR ( 3) }, /* Brazil Summer */ + { "NST", tZONE, -(HOUR ( 3) + 30) }, /* Newfoundland Standard */ + { "NDT", tDAYZONE,-(HOUR ( 3) + 30) }, /* Newfoundland Daylight */ + { "AST", tZONE, -HOUR ( 4) }, /* Atlantic Standard */ + { "ADT", tDAYZONE, -HOUR ( 4) }, /* Atlantic Daylight */ + { "CLT", tZONE, -HOUR ( 4) }, /* Chile */ + { "CLST", tDAYZONE, -HOUR ( 4) }, /* Chile Summer */ + { "EST", tZONE, -HOUR ( 5) }, /* Eastern Standard */ + { "EDT", tDAYZONE, -HOUR ( 5) }, /* Eastern Daylight */ + { "CST", tZONE, -HOUR ( 6) }, /* Central Standard */ + { "CDT", tDAYZONE, -HOUR ( 6) }, /* Central Daylight */ + { "MST", tZONE, -HOUR ( 7) }, /* Mountain Standard */ + { "MDT", tDAYZONE, -HOUR ( 7) }, /* Mountain Daylight */ + { "PST", tZONE, -HOUR ( 8) }, /* Pacific Standard */ + { "PDT", tDAYZONE, -HOUR ( 8) }, /* Pacific Daylight */ + { "AKST", tZONE, -HOUR ( 9) }, /* Alaska Standard */ + { "AKDT", tDAYZONE, -HOUR ( 9) }, /* Alaska Daylight */ + { "HST", tZONE, -HOUR (10) }, /* Hawaii Standard */ + { "HAST", tZONE, -HOUR (10) }, /* Hawaii-Aleutian Standard */ + { "HADT", tDAYZONE, -HOUR (10) }, /* Hawaii-Aleutian Daylight */ + { "SST", tZONE, -HOUR (12) }, /* Samoa Standard */ + { "WAT", tZONE, HOUR ( 1) }, /* West Africa */ + { "CET", tZONE, HOUR ( 1) }, /* Central European */ + { "CEST", tDAYZONE, HOUR ( 1) }, /* Central European Summer */ + { "MET", tZONE, HOUR ( 1) }, /* Middle European */ + { "MEZ", tZONE, HOUR ( 1) }, /* Middle European */ + { "MEST", tDAYZONE, HOUR ( 1) }, /* Middle European Summer */ + { "MESZ", tDAYZONE, HOUR ( 1) }, /* Middle European Summer */ + { "EET", tZONE, HOUR ( 2) }, /* Eastern European */ + { "EEST", tDAYZONE, HOUR ( 2) }, /* Eastern European Summer */ + { "CAT", tZONE, HOUR ( 2) }, /* Central Africa */ + { "SAST", tZONE, HOUR ( 2) }, /* South Africa Standard */ + { "EAT", tZONE, HOUR ( 3) }, /* East Africa */ + { "MSK", tZONE, HOUR ( 3) }, /* Moscow */ + { "MSD", tDAYZONE, HOUR ( 3) }, /* Moscow Daylight */ + { "IST", tZONE, (HOUR ( 5) + 30) }, /* India Standard */ + { "SGT", tZONE, HOUR ( 8) }, /* Singapore */ + { "KST", tZONE, HOUR ( 9) }, /* Korea Standard */ + { "JST", tZONE, HOUR ( 9) }, /* Japan Standard */ + { "GST", tZONE, HOUR (10) }, /* Guam Standard */ + { "NZST", tZONE, HOUR (12) }, /* New Zealand Standard */ + { "NZDT", tDAYZONE, HOUR (12) }, /* New Zealand Daylight */ { NULL, 0, 0 } }; /* Military time zone table. */ static table const military_table[] = { - { "A", tZONE, -HOUR ( 1) }, - { "B", tZONE, -HOUR ( 2) }, - { "C", tZONE, -HOUR ( 3) }, - { "D", tZONE, -HOUR ( 4) }, - { "E", tZONE, -HOUR ( 5) }, - { "F", tZONE, -HOUR ( 6) }, - { "G", tZONE, -HOUR ( 7) }, - { "H", tZONE, -HOUR ( 8) }, - { "I", tZONE, -HOUR ( 9) }, - { "K", tZONE, -HOUR (10) }, - { "L", tZONE, -HOUR (11) }, - { "M", tZONE, -HOUR (12) }, - { "N", tZONE, HOUR ( 1) }, - { "O", tZONE, HOUR ( 2) }, - { "P", tZONE, HOUR ( 3) }, - { "Q", tZONE, HOUR ( 4) }, - { "R", tZONE, HOUR ( 5) }, - { "S", tZONE, HOUR ( 6) }, - { "T", tZONE, HOUR ( 7) }, - { "U", tZONE, HOUR ( 8) }, - { "V", tZONE, HOUR ( 9) }, - { "W", tZONE, HOUR (10) }, - { "X", tZONE, HOUR (11) }, - { "Y", tZONE, HOUR (12) }, - { "Z", tZONE, HOUR ( 0) }, + { "A", tZONE, -HOUR ( 1) }, + { "B", tZONE, -HOUR ( 2) }, + { "C", tZONE, -HOUR ( 3) }, + { "D", tZONE, -HOUR ( 4) }, + { "E", tZONE, -HOUR ( 5) }, + { "F", tZONE, -HOUR ( 6) }, + { "G", tZONE, -HOUR ( 7) }, + { "H", tZONE, -HOUR ( 8) }, + { "I", tZONE, -HOUR ( 9) }, + { "K", tZONE, -HOUR (10) }, + { "L", tZONE, -HOUR (11) }, + { "M", tZONE, -HOUR (12) }, + { "N", tZONE, HOUR ( 1) }, + { "O", tZONE, HOUR ( 2) }, + { "P", tZONE, HOUR ( 3) }, + { "Q", tZONE, HOUR ( 4) }, + { "R", tZONE, HOUR ( 5) }, + { "S", tZONE, HOUR ( 6) }, + { "T", tZONE, HOUR ( 7) }, + { "U", tZONE, HOUR ( 8) }, + { "V", tZONE, HOUR ( 9) }, + { "W", tZONE, HOUR (10) }, + { "X", tZONE, HOUR (11) }, + { "Y", tZONE, HOUR (12) }, + { "Z", tZONE, HOUR ( 0) }, { NULL, 0, 0 } }; @@ -913,10 +903,10 @@ tm_diff (struct tm const *a, struct tm const *b) long int ayear = a->tm_year; long int years = ayear - b->tm_year; long int days = (365 * years + intervening_leap_days - + (a->tm_yday - b->tm_yday)); + + (a->tm_yday - b->tm_yday)); return (60 * (60 * (24 * days + (a->tm_hour - b->tm_hour)) - + (a->tm_min - b->tm_min)) - + (a->tm_sec - b->tm_sec)); + + (a->tm_min - b->tm_min)) + + (a->tm_sec - b->tm_sec)); } #endif /* ! HAVE_TM_GMTOFF */ @@ -964,9 +954,9 @@ lookup_word (parser_control const *pc, char *word) { word[wordlen - 1] = '\0'; for (tp = time_units_table; tp->name; tp++) - if (strcmp (word, tp->name) == 0) - return tp; - word[wordlen - 1] = 'S'; /* For "this" in relative_time_table. */ + if (strcmp (word, tp->name) == 0) + return tp; + word[wordlen - 1] = 'S'; /* For "this" in relative_time_table. */ } for (tp = relative_time_table; tp->name; tp++) @@ -977,7 +967,7 @@ lookup_word (parser_control const *pc, char *word) if (wordlen == 1) for (tp = military_table; tp->name; tp++) if (word[0] == tp->name[0]) - return tp; + return tp; /* Drop out any periods and try the time zone table again. */ for (period_found = false, p = q = word; (*p = *q); q++) @@ -1000,163 +990,163 @@ yylex (YYSTYPE *lvalp, parser_control *pc) for (;;) { while (c = *pc->input, c_isspace (c)) - pc->input++; + pc->input++; if (ISDIGIT (c) || c == '-' || c == '+') - { - char const *p; - int sign; - unsigned long int value; - if (c == '-' || c == '+') - { - sign = c == '-' ? -1 : 1; - while (c = *++pc->input, c_isspace (c)) - continue; - if (! ISDIGIT (c)) - /* skip the '-' sign */ - continue; - } - else - sign = 0; - p = pc->input; - for (value = 0; ; value *= 10) - { - unsigned long int value1 = value + (c - '0'); - if (value1 < value) - return '?'; - value = value1; - c = *++p; - if (! ISDIGIT (c)) - break; - if (ULONG_MAX / 10 < value) - return '?'; - } - if ((c == '.' || c == ',') && ISDIGIT (p[1])) - { - time_t s; - int ns; - int digits; - unsigned long int value1; - - /* Check for overflow when converting value to time_t. */ - if (sign < 0) - { - s = - value; - if (0 < s) - return '?'; - value1 = -s; - } - else - { - s = value; - if (s < 0) - return '?'; - value1 = s; - } - if (value != value1) - return '?'; - - /* Accumulate fraction, to ns precision. */ - p++; - ns = *p++ - '0'; - for (digits = 2; digits <= LOG10_BILLION; digits++) - { - ns *= 10; - if (ISDIGIT (*p)) - ns += *p++ - '0'; - } - - /* Skip excess digits, truncating toward -Infinity. */ - if (sign < 0) - for (; ISDIGIT (*p); p++) - if (*p != '0') - { - ns++; - break; - } - while (ISDIGIT (*p)) - p++; - - /* Adjust to the timespec convention, which is that - tv_nsec is always a positive offset even if tv_sec is - negative. */ - if (sign < 0 && ns) - { - s--; - if (! (s < 0)) - return '?'; - ns = BILLION - ns; - } - - lvalp->timespec.tv_sec = s; - lvalp->timespec.tv_nsec = ns; - pc->input = p; - return sign ? tSDECIMAL_NUMBER : tUDECIMAL_NUMBER; - } - else - { - lvalp->textintval.negative = sign < 0; - if (sign < 0) - { - lvalp->textintval.value = - value; - if (0 < lvalp->textintval.value) - return '?'; - } - else - { - lvalp->textintval.value = value; - if (lvalp->textintval.value < 0) - return '?'; - } - lvalp->textintval.digits = p - pc->input; - pc->input = p; - return sign ? tSNUMBER : tUNUMBER; - } - } + { + char const *p; + int sign; + unsigned long int value; + if (c == '-' || c == '+') + { + sign = c == '-' ? -1 : 1; + while (c = *++pc->input, c_isspace (c)) + continue; + if (! ISDIGIT (c)) + /* skip the '-' sign */ + continue; + } + else + sign = 0; + p = pc->input; + for (value = 0; ; value *= 10) + { + unsigned long int value1 = value + (c - '0'); + if (value1 < value) + return '?'; + value = value1; + c = *++p; + if (! ISDIGIT (c)) + break; + if (ULONG_MAX / 10 < value) + return '?'; + } + if ((c == '.' || c == ',') && ISDIGIT (p[1])) + { + time_t s; + int ns; + int digits; + unsigned long int value1; + + /* Check for overflow when converting value to time_t. */ + if (sign < 0) + { + s = - value; + if (0 < s) + return '?'; + value1 = -s; + } + else + { + s = value; + if (s < 0) + return '?'; + value1 = s; + } + if (value != value1) + return '?'; + + /* Accumulate fraction, to ns precision. */ + p++; + ns = *p++ - '0'; + for (digits = 2; digits <= LOG10_BILLION; digits++) + { + ns *= 10; + if (ISDIGIT (*p)) + ns += *p++ - '0'; + } + + /* Skip excess digits, truncating toward -Infinity. */ + if (sign < 0) + for (; ISDIGIT (*p); p++) + if (*p != '0') + { + ns++; + break; + } + while (ISDIGIT (*p)) + p++; + + /* Adjust to the timespec convention, which is that + tv_nsec is always a positive offset even if tv_sec is + negative. */ + if (sign < 0 && ns) + { + s--; + if (! (s < 0)) + return '?'; + ns = BILLION - ns; + } + + lvalp->timespec.tv_sec = s; + lvalp->timespec.tv_nsec = ns; + pc->input = p; + return sign ? tSDECIMAL_NUMBER : tUDECIMAL_NUMBER; + } + else + { + lvalp->textintval.negative = sign < 0; + if (sign < 0) + { + lvalp->textintval.value = - value; + if (0 < lvalp->textintval.value) + return '?'; + } + else + { + lvalp->textintval.value = value; + if (lvalp->textintval.value < 0) + return '?'; + } + lvalp->textintval.digits = p - pc->input; + pc->input = p; + return sign ? tSNUMBER : tUNUMBER; + } + } if (c_isalpha (c)) - { - char buff[20]; - char *p = buff; - table const *tp; - - do - { - if (p < buff + sizeof buff - 1) - *p++ = c; - c = *++pc->input; - } - while (c_isalpha (c) || c == '.'); - - *p = '\0'; - tp = lookup_word (pc, buff); - if (! tp) - return '?'; - lvalp->intval = tp->value; - return tp->type; - } + { + char buff[20]; + char *p = buff; + table const *tp; + + do + { + if (p < buff + sizeof buff - 1) + *p++ = c; + c = *++pc->input; + } + while (c_isalpha (c) || c == '.'); + + *p = '\0'; + tp = lookup_word (pc, buff); + if (! tp) + return '?'; + lvalp->intval = tp->value; + return tp->type; + } if (c != '(') - return *pc->input++; + return *pc->input++; count = 0; do - { - c = *pc->input++; - if (c == '\0') - return c; - if (c == '(') - count++; - else if (c == ')') - count--; - } + { + c = *pc->input++; + if (c == '\0') + return c; + if (c == '(') + count++; + else if (c == ')') + count--; + } while (count != 0); } } /* Do nothing if the parser reports an error. */ static int -yyerror (parser_control const *pc ATTRIBUTE_UNUSED, - char const *s ATTRIBUTE_UNUSED) +yyerror (parser_control const *pc _GL_UNUSED, + char const *s _GL_UNUSED) { return 0; } @@ -1171,19 +1161,19 @@ mktime_ok (struct tm const *tm0, struct tm const *tm1, time_t t) if (t == (time_t) -1) { /* Guard against falsely reporting an error when parsing a time - stamp that happens to equal (time_t) -1, on a host that - supports such a time stamp. */ + stamp that happens to equal (time_t) -1, on a host that + supports such a time stamp. */ tm1 = localtime (&t); if (!tm1) - return false; + return false; } return ! ((tm0->tm_sec ^ tm1->tm_sec) - | (tm0->tm_min ^ tm1->tm_min) - | (tm0->tm_hour ^ tm1->tm_hour) - | (tm0->tm_mday ^ tm1->tm_mday) - | (tm0->tm_mon ^ tm1->tm_mon) - | (tm0->tm_year ^ tm1->tm_year)); + | (tm0->tm_min ^ tm1->tm_min) + | (tm0->tm_hour ^ tm1->tm_hour) + | (tm0->tm_mday ^ tm1->tm_mday) + | (tm0->tm_mon ^ tm1->tm_mon) + | (tm0->tm_year ^ tm1->tm_year)); } /* A reasonable upper bound for the size of ordinary TZ strings. @@ -1200,8 +1190,8 @@ get_tz (char tzbuf[TZBUFSIZE]) { size_t tzsize = strlen (tz) + 1; tz = (tzsize <= TZBUFSIZE - ? memcpy (tzbuf, tz, tzsize) - : xmemdup (tz, tzsize)); + ? memcpy (tzbuf, tz, tzsize) + : xmemdup (tz, tzsize)); } return tz; } @@ -1249,32 +1239,34 @@ get_date (struct timespec *result, char const *p, struct timespec const *now) char const *s; for (s = tzbase; *s; s++, tzsize++) - if (*s == '\\') - { - s++; - if (! (*s == '\\' || *s == '"')) - break; - } - else if (*s == '"') - { - char *z; - char *tz1; - char tz1buf[TZBUFSIZE]; - bool large_tz = TZBUFSIZE < tzsize; - bool setenv_ok; - tz0 = get_tz (tz0buf); - z = tz1 = large_tz ? xmalloc (tzsize) : tz1buf; - for (s = tzbase; *s != '"'; s++) - *z++ = *(s += *s == '\\'); - *z = '\0'; - setenv_ok = setenv ("TZ", tz1, 1) == 0; - if (large_tz) - free (tz1); - if (!setenv_ok) - goto fail; - tz_was_altered = true; - p = s + 1; - } + if (*s == '\\') + { + s++; + if (! (*s == '\\' || *s == '"')) + break; + } + else if (*s == '"') + { + char *z; + char *tz1; + char tz1buf[TZBUFSIZE]; + bool large_tz = TZBUFSIZE < tzsize; + bool setenv_ok; + /* Free tz0, in case this is the 2nd or subsequent time through. */ + free (tz0); + tz0 = get_tz (tz0buf); + z = tz1 = large_tz ? xmalloc (tzsize) : tz1buf; + for (s = tzbase; *s != '"'; s++) + *z++ = *(s += *s == '\\'); + *z = '\0'; + setenv_ok = setenv ("TZ", tz1, 1) == 0; + if (large_tz) + free (tz1); + if (!setenv_ok) + goto fail; + tz_was_altered = true; + p = s + 1; + } } /* As documented, be careful to treat the empty string just like @@ -1318,19 +1310,19 @@ get_date (struct timespec *result, char const *p, struct timespec const *now) int quarter; for (quarter = 1; quarter <= 3; quarter++) { - time_t probe = Start + quarter * (90 * 24 * 60 * 60); - struct tm const *probe_tm = localtime (&probe); - if (probe_tm && probe_tm->tm_zone - && probe_tm->tm_isdst != pc.local_time_zone_table[0].value) - { - { - pc.local_time_zone_table[1].name = probe_tm->tm_zone; - pc.local_time_zone_table[1].type = tLOCAL_ZONE; - pc.local_time_zone_table[1].value = probe_tm->tm_isdst; - pc.local_time_zone_table[2].name = NULL; - } - break; - } + time_t probe = Start + quarter * (90 * 24 * 60 * 60); + struct tm const *probe_tm = localtime (&probe); + if (probe_tm && probe_tm->tm_zone + && probe_tm->tm_isdst != pc.local_time_zone_table[0].value) + { + { + pc.local_time_zone_table[1].name = probe_tm->tm_zone; + pc.local_time_zone_table[1].type = tLOCAL_ZONE; + pc.local_time_zone_table[1].value = probe_tm->tm_isdst; + pc.local_time_zone_table[2].name = NULL; + } + break; + } } } #else @@ -1342,9 +1334,9 @@ get_date (struct timespec *result, char const *p, struct timespec const *now) int i; for (i = 0; i < 2; i++) { - pc.local_time_zone_table[i].name = tzname[i]; - pc.local_time_zone_table[i].type = tLOCAL_ZONE; - pc.local_time_zone_table[i].value = i; + pc.local_time_zone_table[i].name = tzname[i]; + pc.local_time_zone_table[i].type = tLOCAL_ZONE; + pc.local_time_zone_table[i].value = i; } pc.local_time_zone_table[i].name = NULL; } @@ -1355,11 +1347,11 @@ get_date (struct timespec *result, char const *p, struct timespec const *now) if (pc.local_time_zone_table[0].name && pc.local_time_zone_table[1].name && ! strcmp (pc.local_time_zone_table[0].name, - pc.local_time_zone_table[1].name)) + pc.local_time_zone_table[1].name)) { /* This locale uses the same abbrevation for standard and - daylight times. So if we see that abbreviation, we don't - know whether it's daylight time. */ + daylight times. So if we see that abbreviation, we don't + know whether it's daylight time. */ pc.local_time_zone_table[0].value = -1; pc.local_time_zone_table[1].name = NULL; } @@ -1372,162 +1364,162 @@ get_date (struct timespec *result, char const *p, struct timespec const *now) else { if (1 < (pc.times_seen | pc.dates_seen | pc.days_seen | pc.dsts_seen - | (pc.local_zones_seen + pc.zones_seen))) - goto fail; + | (pc.local_zones_seen + pc.zones_seen))) + goto fail; tm.tm_year = to_year (pc.year) - TM_YEAR_BASE; tm.tm_mon = pc.month - 1; tm.tm_mday = pc.day; if (pc.times_seen || (pc.rels_seen && ! pc.dates_seen && ! pc.days_seen)) - { - tm.tm_hour = to_hour (pc.hour, pc.meridian); - if (tm.tm_hour < 0) - goto fail; - tm.tm_min = pc.minutes; - tm.tm_sec = pc.seconds.tv_sec; - } + { + tm.tm_hour = to_hour (pc.hour, pc.meridian); + if (tm.tm_hour < 0) + goto fail; + tm.tm_min = pc.minutes; + tm.tm_sec = pc.seconds.tv_sec; + } else - { - tm.tm_hour = tm.tm_min = tm.tm_sec = 0; - pc.seconds.tv_nsec = 0; - } + { + tm.tm_hour = tm.tm_min = tm.tm_sec = 0; + pc.seconds.tv_nsec = 0; + } /* Let mktime deduce tm_isdst if we have an absolute time stamp. */ if (pc.dates_seen | pc.days_seen | pc.times_seen) - tm.tm_isdst = -1; + tm.tm_isdst = -1; /* But if the input explicitly specifies local time with or without - DST, give mktime that information. */ + DST, give mktime that information. */ if (pc.local_zones_seen) - tm.tm_isdst = pc.local_isdst; + tm.tm_isdst = pc.local_isdst; tm0 = tm; Start = mktime (&tm); if (! mktime_ok (&tm0, &tm, Start)) - { - if (! pc.zones_seen) - goto fail; - else - { - /* Guard against falsely reporting errors near the time_t - boundaries when parsing times in other time zones. For - example, suppose the input string "1969-12-31 23:00:00 -0100", - the current time zone is 8 hours ahead of UTC, and the min - time_t value is 1970-01-01 00:00:00 UTC. Then the min - localtime value is 1970-01-01 08:00:00, and mktime will - therefore fail on 1969-12-31 23:00:00. To work around the - problem, set the time zone to 1 hour behind UTC temporarily - by setting TZ="XXX1:00" and try mktime again. */ - - long int time_zone = pc.time_zone; - long int abs_time_zone = time_zone < 0 ? - time_zone : time_zone; - long int abs_time_zone_hour = abs_time_zone / 60; - int abs_time_zone_min = abs_time_zone % 60; - char tz1buf[sizeof "XXX+0:00" - + sizeof pc.time_zone * CHAR_BIT / 3]; - if (!tz_was_altered) - tz0 = get_tz (tz0buf); - sprintf (tz1buf, "XXX%s%ld:%02d", "-" + (time_zone < 0), - abs_time_zone_hour, abs_time_zone_min); - if (setenv ("TZ", tz1buf, 1) != 0) - goto fail; - tz_was_altered = true; - tm = tm0; - Start = mktime (&tm); - if (! mktime_ok (&tm0, &tm, Start)) - goto fail; - } - } + { + if (! pc.zones_seen) + goto fail; + else + { + /* Guard against falsely reporting errors near the time_t + boundaries when parsing times in other time zones. For + example, suppose the input string "1969-12-31 23:00:00 -0100", + the current time zone is 8 hours ahead of UTC, and the min + time_t value is 1970-01-01 00:00:00 UTC. Then the min + localtime value is 1970-01-01 08:00:00, and mktime will + therefore fail on 1969-12-31 23:00:00. To work around the + problem, set the time zone to 1 hour behind UTC temporarily + by setting TZ="XXX1:00" and try mktime again. */ + + long int time_zone = pc.time_zone; + long int abs_time_zone = time_zone < 0 ? - time_zone : time_zone; + long int abs_time_zone_hour = abs_time_zone / 60; + int abs_time_zone_min = abs_time_zone % 60; + char tz1buf[sizeof "XXX+0:00" + + sizeof pc.time_zone * CHAR_BIT / 3]; + if (!tz_was_altered) + tz0 = get_tz (tz0buf); + sprintf (tz1buf, "XXX%s%ld:%02d", "-" + (time_zone < 0), + abs_time_zone_hour, abs_time_zone_min); + if (setenv ("TZ", tz1buf, 1) != 0) + goto fail; + tz_was_altered = true; + tm = tm0; + Start = mktime (&tm); + if (! mktime_ok (&tm0, &tm, Start)) + goto fail; + } + } if (pc.days_seen && ! pc.dates_seen) - { - tm.tm_mday += ((pc.day_number - tm.tm_wday + 7) % 7 - + 7 * (pc.day_ordinal - - (0 < pc.day_ordinal - && tm.tm_wday != pc.day_number))); - tm.tm_isdst = -1; - Start = mktime (&tm); - if (Start == (time_t) -1) - goto fail; - } + { + tm.tm_mday += ((pc.day_number - tm.tm_wday + 7) % 7 + + 7 * (pc.day_ordinal + - (0 < pc.day_ordinal + && tm.tm_wday != pc.day_number))); + tm.tm_isdst = -1; + Start = mktime (&tm); + if (Start == (time_t) -1) + goto fail; + } /* Add relative date. */ if (pc.rel.year | pc.rel.month | pc.rel.day) - { - int year = tm.tm_year + pc.rel.year; - int month = tm.tm_mon + pc.rel.month; - int day = tm.tm_mday + pc.rel.day; - if (((year < tm.tm_year) ^ (pc.rel.year < 0)) - | ((month < tm.tm_mon) ^ (pc.rel.month < 0)) - | ((day < tm.tm_mday) ^ (pc.rel.day < 0))) - goto fail; - tm.tm_year = year; - tm.tm_mon = month; - tm.tm_mday = day; - tm.tm_hour = tm0.tm_hour; - tm.tm_min = tm0.tm_min; - tm.tm_sec = tm0.tm_sec; - tm.tm_isdst = tm0.tm_isdst; - Start = mktime (&tm); - if (Start == (time_t) -1) - goto fail; - } + { + int year = tm.tm_year + pc.rel.year; + int month = tm.tm_mon + pc.rel.month; + int day = tm.tm_mday + pc.rel.day; + if (((year < tm.tm_year) ^ (pc.rel.year < 0)) + | ((month < tm.tm_mon) ^ (pc.rel.month < 0)) + | ((day < tm.tm_mday) ^ (pc.rel.day < 0))) + goto fail; + tm.tm_year = year; + tm.tm_mon = month; + tm.tm_mday = day; + tm.tm_hour = tm0.tm_hour; + tm.tm_min = tm0.tm_min; + tm.tm_sec = tm0.tm_sec; + tm.tm_isdst = tm0.tm_isdst; + Start = mktime (&tm); + if (Start == (time_t) -1) + goto fail; + } /* The only "output" of this if-block is an updated Start value, - so this block must follow others that clobber Start. */ + so this block must follow others that clobber Start. */ if (pc.zones_seen) - { - long int delta = pc.time_zone * 60; - time_t t1; + { + long int delta = pc.time_zone * 60; + time_t t1; #ifdef HAVE_TM_GMTOFF - delta -= tm.tm_gmtoff; + delta -= tm.tm_gmtoff; #else - time_t t = Start; - struct tm const *gmt = gmtime (&t); - if (! gmt) - goto fail; - delta -= tm_diff (&tm, gmt); + time_t t = Start; + struct tm const *gmt = gmtime (&t); + if (! gmt) + goto fail; + delta -= tm_diff (&tm, gmt); #endif - t1 = Start - delta; - if ((Start < t1) != (delta < 0)) - goto fail; /* time_t overflow */ - Start = t1; - } + t1 = Start - delta; + if ((Start < t1) != (delta < 0)) + goto fail; /* time_t overflow */ + Start = t1; + } /* Add relative hours, minutes, and seconds. On hosts that support - leap seconds, ignore the possibility of leap seconds; e.g., - "+ 10 minutes" adds 600 seconds, even if one of them is a - leap second. Typically this is not what the user wants, but it's - too hard to do it the other way, because the time zone indicator - must be applied before relative times, and if mktime is applied - again the time zone will be lost. */ + leap seconds, ignore the possibility of leap seconds; e.g., + "+ 10 minutes" adds 600 seconds, even if one of them is a + leap second. Typically this is not what the user wants, but it's + too hard to do it the other way, because the time zone indicator + must be applied before relative times, and if mktime is applied + again the time zone will be lost. */ { - long int sum_ns = pc.seconds.tv_nsec + pc.rel.ns; - long int normalized_ns = (sum_ns % BILLION + BILLION) % BILLION; - time_t t0 = Start; - long int d1 = 60 * 60 * pc.rel.hour; - time_t t1 = t0 + d1; - long int d2 = 60 * pc.rel.minutes; - time_t t2 = t1 + d2; - long_time_t d3 = pc.rel.seconds; - long_time_t t3 = t2 + d3; - long int d4 = (sum_ns - normalized_ns) / BILLION; - long_time_t t4 = t3 + d4; - time_t t5 = t4; - - if ((d1 / (60 * 60) ^ pc.rel.hour) - | (d2 / 60 ^ pc.rel.minutes) - | ((t1 < t0) ^ (d1 < 0)) - | ((t2 < t1) ^ (d2 < 0)) - | ((t3 < t2) ^ (d3 < 0)) - | ((t4 < t3) ^ (d4 < 0)) - | (t5 != t4)) - goto fail; - - result->tv_sec = t5; - result->tv_nsec = normalized_ns; + long int sum_ns = pc.seconds.tv_nsec + pc.rel.ns; + long int normalized_ns = (sum_ns % BILLION + BILLION) % BILLION; + time_t t0 = Start; + long int d1 = 60 * 60 * pc.rel.hour; + time_t t1 = t0 + d1; + long int d2 = 60 * pc.rel.minutes; + time_t t2 = t1 + d2; + long_time_t d3 = pc.rel.seconds; + long_time_t t3 = t2 + d3; + long int d4 = (sum_ns - normalized_ns) / BILLION; + long_time_t t4 = t3 + d4; + time_t t5 = t4; + + if ((d1 / (60 * 60) ^ pc.rel.hour) + | (d2 / 60 ^ pc.rel.minutes) + | ((t1 < t0) ^ (d1 < 0)) + | ((t2 < t1) ^ (d2 < 0)) + | ((t3 < t2) ^ (d3 < 0)) + | ((t4 < t3) ^ (d4 < 0)) + | (t5 != t4)) + goto fail; + + result->tv_sec = t5; + result->tv_nsec = normalized_ns; } } @@ -1559,19 +1551,19 @@ main (int ac, char **av) struct timespec d; struct tm const *tm; if (! get_date (&d, buff, NULL)) - printf ("Bad format - couldn't convert.\n"); + printf ("Bad format - couldn't convert.\n"); else if (! (tm = localtime (&d.tv_sec))) - { - long int sec = d.tv_sec; - printf ("localtime (%ld) failed\n", sec); - } + { + long int sec = d.tv_sec; + printf ("localtime (%ld) failed\n", sec); + } else - { - int ns = d.tv_nsec; - printf ("%04ld-%02d-%02d %02d:%02d:%02d.%09d\n", - tm->tm_year + 1900L, tm->tm_mon + 1, tm->tm_mday, - tm->tm_hour, tm->tm_min, tm->tm_sec, ns); - } + { + int ns = d.tv_nsec; + printf ("%04ld-%02d-%02d %02d:%02d:%02d.%09d\n", + tm->tm_year + 1900L, tm->tm_mon + 1, tm->tm_mday, + tm->tm_hour, tm->tm_min, tm->tm_sec, ns); + } printf ("\t> "); fflush (stdout); }