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-rw-r--r--src/timezone/localtime.c353
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);