diff options
Diffstat (limited to 'src/timezone/localtime.c')
-rw-r--r-- | src/timezone/localtime.c | 353 |
1 files changed, 182 insertions, 171 deletions
diff --git a/src/timezone/localtime.c b/src/timezone/localtime.c index c48b1ea2069..5ce8664f274 100644 --- a/src/timezone/localtime.c +++ b/src/timezone/localtime.c @@ -1,13 +1,16 @@ /* -** This file is in the public domain, so clarified as of -** 1996-06-05 by Arthur David Olson (arthur_david_olson@nih.gov). -*/ + * This file is in the public domain, so clarified as of + * 1996-06-05 by Arthur David Olson (arthur_david_olson@nih.gov). + * + * IDENTIFICATION + * $PostgreSQL: pgsql/src/timezone/localtime.c,v 1.6 2004/05/21 20:59:10 tgl Exp $ + */ /* -** Leap second handling from Bradley White (bww@k.gp.cs.cmu.edu). -** POSIX-style TZ environment variable handling from Guy Harris -** (guy@auspex.com). -*/ + * Leap second handling from Bradley White (bww@k.gp.cs.cmu.edu). + * POSIX-style TZ environment variable handling from Guy Harris + * (guy@auspex.com). + */ #include "postgres.h" @@ -19,25 +22,26 @@ #ifndef WILDABBR -/* -** Someone might make incorrect use of a time zone abbreviation: -** 1. They might reference tzname[0] before calling tzset (explicitly -** or implicitly). -** 2. They might reference tzname[1] before calling tzset (explicitly -** or implicitly). -** 3. They might reference tzname[1] after setting to a time zone -** in which Daylight Saving Time is never observed. -** 4. They might reference tzname[0] after setting to a time zone -** in which Standard Time is never observed. -** 5. They might reference tm.TM_ZONE after calling offtime. -** What's best to do in the above cases is open to debate; -** for now, we just set things up so that in any of the five cases -** WILDABBR is used. Another possibility: initialize tzname[0] to the -** string "tzname[0] used before set", and similarly for the other cases. -** And another: initialize tzname[0] to "ERA", with an explanation in the -** manual page of what this "time zone abbreviation" means (doing this so -** that tzname[0] has the "normal" length of three characters). -*/ +/*---------- + * Someone might make incorrect use of a time zone abbreviation: + * 1. They might reference tzname[0] before calling tzset (explicitly + * or implicitly). + * 2. They might reference tzname[1] before calling tzset (explicitly + * or implicitly). + * 3. They might reference tzname[1] after setting to a time zone + * in which Daylight Saving Time is never observed. + * 4. They might reference tzname[0] after setting to a time zone + * in which Standard Time is never observed. + * 5. They might reference tm.TM_ZONE after calling offtime. + * What's best to do in the above cases is open to debate; + * for now, we just set things up so that in any of the five cases + * WILDABBR is used. Another possibility: initialize tzname[0] to the + * string "tzname[0] used before set", and similarly for the other cases. + * And another: initialize tzname[0] to "ERA", with an explanation in the + * manual page of what this "time zone abbreviation" means (doing this so + * that tzname[0] has the "normal" length of three characters). + *---------- + */ #define WILDABBR " " #endif /* !defined WILDABBR */ @@ -46,12 +50,12 @@ static char wildabbr[] = "WILDABBR"; static const char gmt[] = "GMT"; /* -** The DST rules to use if TZ has no rules and we can't load TZDEFRULES. -** We default to US rules as of 1999-08-17. -** POSIX 1003.1 section 8.1.1 says that the default DST rules are -** implementation dependent; for historical reasons, US rules are a -** common default. -*/ + * The DST rules to use if TZ has no rules and we can't load TZDEFRULES. + * We default to US rules as of 1999-08-17. + * POSIX 1003.1 section 8.1.1 says that the default DST rules are + * implementation dependent; for historical reasons, US rules are a + * common default. + */ #define TZDEFRULESTRING ",M4.1.0,M10.5.0" struct ttinfo @@ -100,8 +104,8 @@ struct rule * week */ /* -** Prototypes for static functions. -*/ + * Prototypes for static functions. + */ static long detzcode(const char *codep); static const char *getzname(const char *strp); @@ -114,12 +118,20 @@ static void gmtsub(const time_t *timep, long offset, struct pg_tm * tmp); static void localsub(const time_t *timep, long offset, struct pg_tm * tmp); static int increment_overflow(int *number, int delta); static int normalize_overflow(int *tensptr, int *unitsptr, int base); -static time_t time1(struct pg_tm * tmp, void (*funcp) (const time_t *, long, struct pg_tm *), long offset); -static time_t time2(struct pg_tm * tmp, void (*funcp) (const time_t *, long, struct pg_tm *), long offset, int *okayp); -static time_t time2sub(struct pg_tm * tmp, void (*funcp) (const time_t *, long, struct pg_tm *), long offset, int *okayp, int do_norm_secs); -static void timesub(const time_t *timep, long offset, const struct state * sp, struct pg_tm * tmp); +static time_t time1(struct pg_tm * tmp, + void (*funcp) (const time_t *, long, struct pg_tm *), + long offset); +static time_t time2(struct pg_tm * tmp, + void (*funcp) (const time_t *, long, struct pg_tm *), + long offset, int *okayp); +static time_t time2sub(struct pg_tm * tmp, + void (*funcp) (const time_t *, long, struct pg_tm *), + long offset, int *okayp, int do_norm_secs); +static void timesub(const time_t *timep, long offset, + const struct state * sp, struct pg_tm * tmp); static int tmcomp(const struct pg_tm * atmp, const struct pg_tm * btmp); -static time_t transtime(time_t janfirst, int year, const struct rule * rulep, long offset); +static time_t transtime(time_t janfirst, int year, + const struct rule * rulep, long offset); static int tzload(const char *name, struct state * sp); static int tzparse(const char *name, struct state * sp, int lastditch); @@ -134,12 +146,12 @@ static int lcl_is_set = 0; static int gmt_is_set = 0; /* -** Section 4.12.3 of X3.159-1989 requires that -** Except for the strftime function, these functions [asctime, -** ctime, gmtime, localtime] return values in one of two static -** objects: a broken-down time structure and an array of char. -** Thanks to Paul Eggert (eggert@twinsun.com) for noting this. -*/ + * Section 4.12.3 of X3.159-1989 requires that + * Except for the strftime function, these functions [asctime, + * ctime, gmtime, localtime] return values in one of two static + * objects: a broken-down time structure and an array of char. + * Thanks to Paul Eggert (eggert@twinsun.com) for noting this. + */ static struct pg_tm tm; @@ -184,7 +196,7 @@ tzload(register const char *name, register struct state * sp) (void) strcat(fullname, name); /* - * * Set doaccess if '.' (as in "../") shows up in name. + * Set doaccess if '.' (as in "../") shows up in name. */ if (strchr(name, '.') != NULL) doaccess = TRUE; @@ -313,11 +325,10 @@ static const int year_lengths[2] = { }; /* -** Given a pointer into a time zone string, scan until a character that is not -** a valid character in a zone name is found. Return a pointer to that -** character. -*/ - + * Given a pointer into a time zone string, scan until a character that is not + * a valid character in a zone name is found. Return a pointer to that + * character. + */ static const char * getzname(register const char *strp) { @@ -330,12 +341,11 @@ getzname(register const char *strp) } /* -** Given a pointer into a time zone string, extract a number from that string. -** Check that the number is within a specified range; if it is not, return -** NULL. -** Otherwise, return a pointer to the first character not part of the number. -*/ - + * Given a pointer into a time zone string, extract a number from that string. + * Check that the number is within a specified range; if it is not, return + * NULL. + * Otherwise, return a pointer to the first character not part of the number. + */ static const char * getnum(register const char *strp, int *nump, const int min, const int max) { @@ -359,22 +369,21 @@ getnum(register const char *strp, int *nump, const int min, const int max) } /* -** Given a pointer into a time zone string, extract a number of seconds, -** in hh[:mm[:ss]] form, from the string. -** If any error occurs, return NULL. -** Otherwise, return a pointer to the first character not part of the number -** of seconds. -*/ - + * Given a pointer into a time zone string, extract a number of seconds, + * in hh[:mm[:ss]] form, from the string. + * If any error occurs, return NULL. + * Otherwise, return a pointer to the first character not part of the number + * of seconds. + */ static const char * getsecs(register const char *strp, long *secsp) { int num; /* - * * `HOURSPERDAY * DAYSPERWEEK - 1' allows quasi-Posix rules like * - * "M10.4.6/26", which does not conform to Posix, * but which - * specifies the equivalent of * ``02:00 on the first Sunday on or + * `HOURSPERDAY * DAYSPERWEEK - 1' allows quasi-Posix rules like + * "M10.4.6/26", which does not conform to Posix, but which + * specifies the equivalent of ``02:00 on the first Sunday on or * after 23 Oct''. */ strp = getnum(strp, &num, 0, HOURSPERDAY * DAYSPERWEEK - 1); @@ -402,12 +411,11 @@ getsecs(register const char *strp, long *secsp) } /* -** Given a pointer into a time zone string, extract an offset, in -** [+-]hh[:mm[:ss]] form, from the string. -** If any error occurs, return NULL. -** Otherwise, return a pointer to the first character not part of the time. -*/ - + * Given a pointer into a time zone string, extract an offset, in + * [+-]hh[:mm[:ss]] form, from the string. + * If any error occurs, return NULL. + * Otherwise, return a pointer to the first character not part of the time. + */ static const char * getoffset(register const char *strp, long *offsetp) { @@ -429,19 +437,18 @@ getoffset(register const char *strp, long *offsetp) } /* -** Given a pointer into a time zone string, extract a rule in the form -** date[/time]. See POSIX section 8 for the format of "date" and "time". -** If a valid rule is not found, return NULL. -** Otherwise, return a pointer to the first character not part of the rule. -*/ - + * Given a pointer into a time zone string, extract a rule in the form + * date[/time]. See POSIX section 8 for the format of "date" and "time". + * If a valid rule is not found, return NULL. + * Otherwise, return a pointer to the first character not part of the rule. + */ static const char * getrule(const char *strp, register struct rule * rulep) { if (*strp == 'J') { /* - * * Julian day. + * Julian day. */ rulep->r_type = JULIAN_DAY; ++strp; @@ -450,7 +457,7 @@ getrule(const char *strp, register struct rule * rulep) else if (*strp == 'M') { /* - * * Month, week, day. + * Month, week, day. */ rulep->r_type = MONTH_NTH_DAY_OF_WEEK; ++strp; @@ -469,7 +476,7 @@ getrule(const char *strp, register struct rule * rulep) else if (is_digit(*strp)) { /* - * * Day of year. + * Day of year. */ rulep->r_type = DAY_OF_YEAR; strp = getnum(strp, &rulep->r_day, 0, DAYSPERLYEAR - 1); @@ -481,7 +488,7 @@ getrule(const char *strp, register struct rule * rulep) if (*strp == '/') { /* - * * Time specified. + * Time specified. */ ++strp; strp = getsecs(strp, &rulep->r_time); @@ -492,13 +499,13 @@ getrule(const char *strp, register struct rule * rulep) } /* -** Given the Epoch-relative time of January 1, 00:00:00 UTC, in a year, the -** year, a rule, and the offset from UTC at the time that rule takes effect, -** calculate the Epoch-relative time that rule takes effect. -*/ - + * Given the Epoch-relative time of January 1, 00:00:00 UTC, in a year, the + * year, a rule, and the offset from UTC at the time that rule takes effect, + * calculate the Epoch-relative time that rule takes effect. + */ static time_t -transtime(const time_t janfirst, const int year, register const struct rule * rulep, const long offset) +transtime(const time_t janfirst, const int year, + register const struct rule * rulep, const long offset) { register int leapyear; register time_t value = 0; @@ -517,10 +524,10 @@ transtime(const time_t janfirst, const int year, register const struct rule * ru case JULIAN_DAY: /* - * * Jn - Julian day, 1 == January 1, 60 == March 1 even in - * leap * years. * In non-leap years, or if the day number is - * 59 or less, just * add SECSPERDAY times the day number-1 to - * the time of * January 1, midnight, to get the day. + * Jn - Julian day, 1 == January 1, 60 == March 1 even in + * leap years. In non-leap years, or if the day number is + * 59 or less, just add SECSPERDAY times the day number-1 to + * the time of January 1, midnight, to get the day. */ value = janfirst + (rulep->r_day - 1) * SECSPERDAY; if (leapyear && rulep->r_day >= 60) @@ -530,8 +537,8 @@ transtime(const time_t janfirst, const int year, register const struct rule * ru case DAY_OF_YEAR: /* - * * n - day of year. * Just add SECSPERDAY times the day - * number to the time of * January 1, midnight, to get the + * n - day of year. Just add SECSPERDAY times the day + * number to the time of January 1, midnight, to get the * day. */ value = janfirst + rulep->r_day * SECSPERDAY; @@ -540,15 +547,15 @@ transtime(const time_t janfirst, const int year, register const struct rule * ru case MONTH_NTH_DAY_OF_WEEK: /* - * * Mm.n.d - nth "dth day" of month m. + * Mm.n.d - nth "dth day" of month m. */ value = janfirst; for (i = 0; i < rulep->r_mon - 1; ++i) value += mon_lengths[leapyear][i] * SECSPERDAY; /* - * * Use Zeller's Congruence to get day-of-week of first day - * of * month. + * Use Zeller's Congruence to get day-of-week of first day + * of month. */ m1 = (rulep->r_mon + 9) % 12 + 1; yy0 = (rulep->r_mon <= 2) ? (year - 1) : year; @@ -560,9 +567,9 @@ transtime(const time_t janfirst, const int year, register const struct rule * ru dow += DAYSPERWEEK; /* - * * "dow" is the day-of-week of the first day of the month. - * Get * the day-of-month (zero-origin) of the first "dow" day - * of the * month. + * "dow" is the day-of-week of the first day of the month. + * Get the day-of-month (zero-origin) of the first "dow" day + * of the month. */ d = rulep->r_day - dow; if (d < 0) @@ -576,25 +583,25 @@ transtime(const time_t janfirst, const int year, register const struct rule * ru } /* - * * "d" is the day-of-month (zero-origin) of the day we want. + * "d" is the day-of-month (zero-origin) of the day we want. */ value += d * SECSPERDAY; break; } /* - * * "value" is the Epoch-relative time of 00:00:00 UTC on the day in * - * question. To get the Epoch-relative time of the specified local * - * time on that day, add the transition time and the current offset * + * "value" is the Epoch-relative time of 00:00:00 UTC on the day in + * question. To get the Epoch-relative time of the specified local + * time on that day, add the transition time and the current offset * from UTC. */ return value + rulep->r_time + offset; } /* -** Given a POSIX section 8-style TZ string, fill in the rule tables as -** appropriate. -*/ + * Given a POSIX section 8-style TZ string, fill in the rule tables as + * appropriate. + */ static int tzparse(const char *name, register struct state * sp, const int lastditch) @@ -672,7 +679,7 @@ tzparse(const char *name, register struct state * sp, const int lastditch) sp->typecnt = 2; /* standard time and DST */ /* - * * Two transitions per year, from EPOCH_YEAR to 2037. + * Two transitions per year, from EPOCH_YEAR to 2037. */ sp->timecnt = 2 * (2037 - EPOCH_YEAR + 1); if (sp->timecnt > TZ_MAX_TIMES) @@ -723,7 +730,7 @@ tzparse(const char *name, register struct state * sp, const int lastditch) return -1; /* - * * Initial values of theirstdoffset and theirdstoffset. + * Initial values of theirstdoffset and theirdstoffset. */ theirstdoffset = 0; for (i = 0; i < sp->timecnt; ++i) @@ -749,13 +756,13 @@ tzparse(const char *name, register struct state * sp, const int lastditch) } /* - * * Initially we're assumed to be in standard time. + * Initially we're assumed to be in standard time. */ isdst = FALSE; theiroffset = theirstdoffset; /* - * * Now juggle transition times and types * tracking offsets + * Now juggle transition times and types tracking offsets * as you do. */ for (i = 0; i < sp->timecnt; ++i) @@ -769,16 +776,16 @@ tzparse(const char *name, register struct state * sp, const int lastditch) else { /* - * * If summer time is in effect, and the * transition - * time was not specified as * standard time, add the - * summer time * offset to the transition time; * - * otherwise, add the standard time * offset to the + * If summer time is in effect, and the transition + * time was not specified as standard time, add the + * summer time offset to the transition time; + * otherwise, add the standard time offset to the * transition time. */ /* - * * Transitions from DST to DDST * will effectively - * disappear since * POSIX provides for only one DST * + * Transitions from DST to DDST will effectively + * disappear since POSIX provides for only one DST * offset. */ if (isdst && !sp->ttis[j].tt_ttisstd) @@ -800,7 +807,7 @@ tzparse(const char *name, register struct state * sp, const int lastditch) } /* - * * Finally, fill in ttis. * ttisstd and ttisgmt need not be + * Finally, fill in ttis. ttisstd and ttisgmt need not be * handled. */ sp->ttis[0].tt_gmtoff = -stdoffset; @@ -871,14 +878,13 @@ pg_tzset(const char *name) } /* -** The easy way to behave "as if no library function calls" localtime -** is to not call it--so we drop its guts into "localsub", which can be -** freely called. (And no, the PANS doesn't require the above behavior-- -** but it *is* desirable.) -** -** The unused offset argument is for the benefit of mktime variants. -*/ - + * The easy way to behave "as if no library function calls" localtime + * is to not call it--so we drop its guts into "localsub", which can be + * freely called. (And no, the PANS doesn't require the above behavior-- + * but it *is* desirable.) + * + * The unused offset argument is for the benefit of mktime variants. + */ static void localsub(const time_t *timep, const long offset, struct pg_tm * tmp) { @@ -907,16 +913,12 @@ localsub(const time_t *timep, const long offset, struct pg_tm * tmp) } ttisp = &sp->ttis[i]; - /* - * * To get (wrong) behavior that's compatible with System V Release - * 2.0 * you'd replace the statement below with * t += - * ttisp->tt_gmtoff; * timesub(&t, 0L, sp, tmp); - */ timesub(&t, ttisp->tt_gmtoff, sp, tmp); tmp->tm_isdst = ttisp->tt_isdst; tmp->tm_zone = &sp->chars[ttisp->tt_abbrind]; } + struct pg_tm * pg_localtime(const time_t *timep) { @@ -926,9 +928,8 @@ pg_localtime(const time_t *timep) /* -** gmtsub is to gmtime as localsub is to localtime. -*/ - + * gmtsub is to gmtime as localsub is to localtime. + */ static void gmtsub(const time_t *timep, const long offset, struct pg_tm * tmp) { @@ -940,8 +941,8 @@ gmtsub(const time_t *timep, const long offset, struct pg_tm * tmp) timesub(timep, offset, gmtptr, tmp); /* - * * Could get fancy here and deliver something such as * "UTC+xxxx" - * or "UTC-xxxx" if offset is non-zero, * but this is no time for a + * Could get fancy here and deliver something such as "UTC+xxxx" + * or "UTC-xxxx" if offset is non-zero, but this is no time for a * treasure hunt. */ if (offset != 0) @@ -959,7 +960,8 @@ pg_gmtime(const time_t *timep) static void -timesub(const time_t *timep, const long offset, register const struct state * sp, register struct pg_tm * tmp) +timesub(const time_t *timep, const long offset, + register const struct state * sp, register struct pg_tm * tmp) { register const struct lsinfo *lp; register long days; @@ -1004,7 +1006,7 @@ timesub(const time_t *timep, const long offset, register const struct state * sp if (*timep == 0x80000000) { /* - * * A 3B1 muffs the division on the most negative number. + * A 3B1 muffs the division on the most negative number. */ days = -24855; rem = -11648; @@ -1026,7 +1028,7 @@ timesub(const time_t *timep, const long offset, register const struct state * sp tmp->tm_min = (int) (rem / SECSPERMIN); /* - * * A positive leap second requires a special * representation. This + * A positive leap second requires a special representation. This * uses "... ??:59:60" et seq. */ tmp->tm_sec = (int) (rem % SECSPERMIN) + hit; @@ -1058,20 +1060,20 @@ timesub(const time_t *timep, const long offset, register const struct state * sp } /* -** Adapted from code provided by Robert Elz, who writes: -** The "best" way to do mktime I think is based on an idea of Bob -** Kridle's (so its said...) from a long time ago. -** [kridle@xinet.com as of 1996-01-16.] -** It does a binary search of the time_t space. Since time_t's are -** just 32 bits, its a max of 32 iterations (even at 64 bits it -** would still be very reasonable). -*/ + * Adapted from code provided by Robert Elz, who writes: + * The "best" way to do mktime I think is based on an idea of Bob + * Kridle's (so its said...) from a long time ago. + * [kridle@xinet.com as of 1996-01-16.] + * It does a binary search of the time_t space. Since time_t's are + * just 32 bits, its a max of 32 iterations (even at 64 bits it + * would still be very reasonable). + */ #define WRONG (-1) /* -** Simplified normalize logic courtesy Paul Eggert (eggert@twinsun.com). -*/ + * Simplified normalize logic courtesy Paul Eggert (eggert@twinsun.com). + */ static int increment_overflow(int *number, int delta) @@ -1109,7 +1111,10 @@ tmcomp(register const struct pg_tm * atmp, register const struct pg_tm * btmp) return result; } -static time_t time2sub(struct pg_tm * tmp, void (*funcp) (const time_t *, long, struct pg_tm *), const long offset, int *okayp, const int do_norm_secs) +static time_t +time2sub(struct pg_tm * tmp, + void (*funcp) (const time_t *, long, struct pg_tm *), + const long offset, int *okayp, const int do_norm_secs) { register const struct state *sp; register int dir; @@ -1138,7 +1143,7 @@ static time_t time2sub(struct pg_tm * tmp, void (*funcp) (const time_t *, long, return WRONG; /* - * * Turn yourtm.tm_year into an actual year number for now. * It is + * Turn yourtm.tm_year into an actual year number for now. It is * converted back to an offset from TM_YEAR_BASE later. */ if (increment_overflow(&yourtm.tm_year, TM_YEAR_BASE)) @@ -1177,10 +1182,10 @@ static time_t time2sub(struct pg_tm * tmp, void (*funcp) (const time_t *, long, else if (yourtm.tm_year + TM_YEAR_BASE < EPOCH_YEAR) { /* - * * We can't set tm_sec to 0, because that might push the * time - * below the minimum representable time. * Set tm_sec to 59 - * instead. * This assumes that the minimum representable time is * - * not in the same minute that a leap second was deleted from, * + * We can't set tm_sec to 0, because that might push the time + * below the minimum representable time. Set tm_sec to 59 + * instead. This assumes that the minimum representable time is + * not in the same minute that a leap second was deleted from, * which is a safer assumption than using 58 would be. */ if (increment_overflow(&yourtm.tm_sec, 1 - SECSPERMIN)) @@ -1195,14 +1200,14 @@ static time_t time2sub(struct pg_tm * tmp, void (*funcp) (const time_t *, long, } /* - * * Divide the search space in half * (this works whether time_t is + * Divide the search space in half (this works whether time_t is * signed or unsigned). */ bits = TYPE_BIT(time_t) -1; /* - * * If time_t is signed, then 0 is just above the median, * assuming - * two's complement arithmetic. * If time_t is unsigned, then (1 << + * If time_t is signed, then 0 is just above the median, assuming + * two's complement arithmetic. If time_t is unsigned, then (1 << * bits) is just above the median. */ t = TYPE_SIGNED(time_t) ? 0 : (((time_t) 1) << bits); @@ -1226,12 +1231,12 @@ static time_t time2sub(struct pg_tm * tmp, void (*funcp) (const time_t *, long, break; /* - * * Right time, wrong type. * Hunt for right time, right type. * - * It's okay to guess wrong since the guess * gets checked. + * Right time, wrong type. Hunt for right time, right type. + * It's okay to guess wrong since the guess gets checked. */ /* - * * The (void *) casts are the benefit of SunOS 3.3 on Sun 2's. + * The (void *) casts are the benefit of SunOS 3.3 on Sun 2's. */ sp = (const struct state *) (((void *) funcp == (void *) localsub) ? @@ -1253,7 +1258,7 @@ static time_t time2sub(struct pg_tm * tmp, void (*funcp) (const time_t *, long, continue; /* - * * We have a match. + * We have a match. */ t = newt; goto label; @@ -1271,20 +1276,26 @@ label: return t; } -static time_t time2(struct pg_tm * tmp, void (*funcp) (const time_t *, long, struct pg_tm *), const long offset, int *okayp) +static time_t +time2(struct pg_tm * tmp, + void (*funcp) (const time_t *, long, struct pg_tm *), + const long offset, int *okayp) { time_t t; /* - * * First try without normalization of seconds * (in case tm_sec - * contains a value associated with a leap second). * If that fails, + * First try without normalization of seconds (in case tm_sec + * contains a value associated with a leap second). If that fails, * try with normalization of seconds. */ t = time2sub(tmp, funcp, offset, okayp, FALSE); return *okayp ? t : time2sub(tmp, funcp, offset, okayp, TRUE); } -static time_t time1(struct pg_tm * tmp, void (*funcp) (const time_t *, long, struct pg_tm *), const long offset) +static time_t +time1(struct pg_tm * tmp, + void (*funcp) (const time_t *, long, struct pg_tm *), + const long offset) { register time_t t; register const struct state *sp; @@ -1305,14 +1316,14 @@ static time_t time1(struct pg_tm * tmp, void (*funcp) (const time_t *, long, str return t; /* - * * We're supposed to assume that somebody took a time of one type * - * and did some math on it that yielded a "struct pg_tm" that's bad. * - * We try to divine the type they started from and adjust to the * + * We're supposed to assume that somebody took a time of one type + * and did some math on it that yielded a "struct pg_tm" that's bad. + * We try to divine the type they started from and adjust to the * type they need. */ /* - * * The (void *) casts are the benefit of SunOS 3.3 on Sun 2's. + * The (void *) casts are the benefit of SunOS 3.3 on Sun 2's. */ sp = (const struct state *) (((void *) funcp == (void *) localsub) ? lclptr : gmtptr); |