---- localtime.c.orig 2008-12-15 11:41:07.000000000 -0800
-+++ localtime.c 2009-01-21 15:43:59.000000000 -0800
+--- localtime.c.orig 2011-05-02 23:14:13.000000000 -0700
++++ localtime.c 2011-05-03 17:12:02.000000000 -0700
@@ -22,8 +22,22 @@ __FBSDID("$FreeBSD: src/lib/libc/stdtime
#include "namespace.h"
#include <sys/types.h>
#include "private.h"
#include "un-namespace.h"
-@@ -135,40 +149,96 @@ struct rule {
+@@ -150,40 +164,94 @@ struct rule {
#define DAY_OF_YEAR 1 /* n - day of year */
#define MONTH_NTH_DAY_OF_WEEK 2 /* Mm.n.d - month, week, day of week */
+ long offset,
+ int unix03);
+__private_extern__
-+void tzset_basic(void);
++void tzset_basic(int);
-+#define lcl_mutex _st_lcl_mutex
-+
+#if !BUILDING_VARIANT
static long detzcode(const char * codep);
-static const char * getzname(const char * strp);
static int tmcomp(const struct tm * atmp,
const struct tm * btmp);
static time_t transtime(time_t janfirst, int year,
-@@ -194,10 +264,15 @@ static struct state gmtmem;
+@@ -209,9 +277,14 @@ static struct state gmtmem;
#endif /* !defined TZ_STRLEN_MAX */
static char lcl_TZname[TZ_STRLEN_MAX + 1];
+#ifdef NOTIFY_TZ
-+#define lcl_is_set (lcl_notify.is_set)
-+#define gmt_is_set (gmt_notify.is_set)
++#define lcl_is_set (lcl_notify.is_set)
++#define gmt_is_set (gmt_notify.is_set)
+#else /* ! NOTIFY_TZ */
static int lcl_is_set;
static int gmt_is_set;
--static pthread_mutex_t lcl_mutex = PTHREAD_MUTEX_INITIALIZER;
--static pthread_mutex_t gmt_mutex = PTHREAD_MUTEX_INITIALIZER;
+-static pthread_rwlock_t lcl_rwlock = PTHREAD_RWLOCK_INITIALIZER;
+#endif /* NOTIFY_TZ */
-+__private_extern__ pthread_mutex_t lcl_mutex = PTHREAD_MUTEX_INITIALIZER;
-+static pthread_mutex_t gmt_mutex = PTHREAD_MUTEX_INITIALIZER;
++__private_extern__ pthread_rwlock_t lcl_rwlock = PTHREAD_RWLOCK_INITIALIZER;
+ static pthread_mutex_t gmt_mutex = PTHREAD_MUTEX_INITIALIZER;
char * tzname[2] = {
- wildabbr,
-@@ -214,15 +289,62 @@ char * tzname[2] = {
+@@ -229,15 +302,62 @@ char * tzname[2] = {
static struct tm tm;
static long
detzcode(codep)
const char * const codep;
-@@ -246,14 +368,14 @@ settzname(void)
+@@ -255,51 +375,203 @@ static void
+ settzname(void)
+ {
+ struct state * sp = lclptr;
+- int i;
++ int i, need;
++ unsigned char * types;
++#define NEED_STD 1
++#define NEED_DST 2
++#define NEED_DAYLIGHT 4
++#define NEED_ALL (NEED_STD | NEED_DST | NEED_DAYLIGHT)
+
+ tzname[0] = wildabbr;
tzname[1] = wildabbr;
#ifdef USG_COMPAT
daylight = 0;
return;
}
#endif /* defined ALL_STATE */
-@@ -266,7 +388,7 @@ settzname(void)
- if (ttisp->tt_isdst)
+- for (i = 0; i < sp->typecnt; ++i) {
+- const struct ttinfo * const ttisp = &sp->ttis[i];
++ /*
++ * PR-3765457: The original settzname went sequentially through the ttis
++ * array, rather than correctly indexing via the types array, to get
++ * the real order of the timezone changes. In addition, as a speed up,
++ * we start at the end of the changes, and work back, so that most of
++ * the time, we don't have to look through the entire array.
++ */
++ if (sp->timecnt == 0 && sp->typecnt == 1) {
++ /*
++ * Unfortunately, there is an edge case when typecnt == 1 and
++ * timecnt == 0, which would cause the loop to never run. So
++ * in that case, we fudge things up so that it is as if
++ * timecnt == 1.
++ */
++ i = 0;
++ types = (unsigned char *)""; /* we use the null as index */
++ } else {
++ /* the usual case */
++ i = sp->timecnt - 1;
++ types = sp->types;
++ }
++ need = NEED_ALL;
++ for (; i >= 0 && need; --i) {
++ const struct ttinfo * const ttisp = &sp->ttis[types[i]];
+
+- tzname[ttisp->tt_isdst] =
+- &sp->chars[ttisp->tt_abbrind];
+ #ifdef USG_COMPAT
+- if (ttisp->tt_isdst)
++ if ((need & NEED_DAYLIGHT) && ttisp->tt_isdst) {
++ need &= ~NEED_DAYLIGHT;
daylight = 1;
- if (i == 0 || !ttisp->tt_isdst)
+- if (i == 0 || !ttisp->tt_isdst)
- timezone = -(ttisp->tt_gmtoff);
-+ _st_set_timezone(-(ttisp->tt_gmtoff));
++ }
#endif /* defined USG_COMPAT */
++ if (ttisp->tt_isdst) {
++ if (need & NEED_DST) {
++ need &= ~NEED_DST;
++ tzname[1] = &sp->chars[ttisp->tt_abbrind];
#ifdef ALTZONE
- if (i == 0 || ttisp->tt_isdst)
-@@ -286,6 +408,119 @@ settzname(void)
+- if (i == 0 || ttisp->tt_isdst)
+- altzone = -(ttisp->tt_gmtoff);
++ altzone = -(ttisp->tt_gmtoff);
+ #endif /* defined ALTZONE */
++ }
++ } else if (need & NEED_STD) {
++ need &= ~NEED_STD;
++ tzname[0] = &sp->chars[ttisp->tt_abbrind];
++#ifdef USG_COMPAT
++ _st_set_timezone(-(ttisp->tt_gmtoff));
++#endif /* defined USG_COMPAT */
++ }
++#if defined(ALTZONE) || defined(USG_COMPAT)
++ if (i == 0) {
++#endif /* defined(ALTZONE) || defined(USG_COMPAT) */
++#ifdef ALTZONE
++ if (need & NEED_DST)
++ altzone = -(ttisp->tt_gmtoff);
++#endif /* defined ALTZONE */
++#ifdef USG_COMPAT
++ if (need & NEED_STD)
++ _st_set_timezone(-(ttisp->tt_gmtoff));
++#endif /* defined USG_COMPAT */
++#if defined(ALTZONE) || defined(USG_COMPAT)
++ }
++#endif /* defined(ALTZONE) || defined(USG_COMPAT) */
}
- }
-
+- /*
+- ** And to get the latest zone names into tzname. . .
+- */
+- for (i = 0; i < sp->timecnt; ++i) {
+- const struct ttinfo * const ttisp =
+- &sp->ttis[
+- sp->types[i]];
++}
++
+#ifdef NOTIFY_TZ
+static void
+notify_check_tz(notify_tz_t *p)
+ char *name;
+ unsigned int nstat;
+ int ncheck;
-+
+
+- tzname[ttisp->tt_isdst] =
+- &sp->chars[ttisp->tt_abbrind];
+ if (__notify_78945668_info__ < 0)
+ return;
+ /*----------------------------------------------------------------
+#endif /* NOTIFY_TZ_LOG */
+ return;
+ }
-+ }
+ }
+ notify_check(p->token, &ncheck); /* this always returns true */
-+}
+ }
+#endif /* NOTIFY_TZ */
-+
+
static int
tzload(name, sp)
- const char * name;
-@@ -295,6 +530,9 @@ struct state * const sp;
+@@ -310,6 +582,9 @@ struct state * const sp;
int i;
int fid;
/* XXX The following is from OpenBSD, and I'm not sure it is correct */
if (name != NULL && issetugid() != 0)
if ((name[0] == ':' && name[1] == '/') ||
-@@ -312,7 +550,15 @@ struct state * const sp;
+@@ -327,7 +602,15 @@ struct state * const sp;
** to hold the longest file name string that the implementation
** guarantees can be opened."
*/
if (name[0] == ':')
++name;
-@@ -320,7 +566,11 @@ struct state * const sp;
+@@ -335,7 +618,11 @@ struct state * const sp;
if (!doaccess) {
if ((p = TZDIR) == NULL)
return -1;
return -1;
(void) strcpy(fullname, p);
(void) strcat(fullname, "/");
-@@ -332,6 +582,10 @@ struct state * const sp;
+@@ -347,6 +634,10 @@ struct state * const sp;
doaccess = TRUE;
name = fullname;
}
if (doaccess && access(name, R_OK) != 0)
return -1;
if ((fid = _open(name, OPEN_MODE)) == -1)
-@@ -350,6 +604,9 @@ struct state * const sp;
+@@ -365,6 +656,9 @@ struct state * const sp;
int ttisstdcnt;
int ttisgmtcnt;
i = _read(fid, u.buf, sizeof u.buf);
if (_close(fid) != 0)
return -1;
-@@ -456,14 +713,24 @@ static const int year_lengths[2] = {
+@@ -471,14 +765,24 @@ static const int year_lengths[2] = {
*/
static const char *
return strp;
}
-@@ -743,16 +1010,15 @@ const int lastditch;
+@@ -758,16 +1062,15 @@ const int lastditch;
int load_result;
INITIALIZE(dstname);
if (stdlen < 3)
return -1;
if (*name == '\0')
-@@ -764,12 +1030,14 @@ const int lastditch;
+@@ -779,12 +1082,14 @@ const int lastditch;
}
}
load_result = tzload(TZDEFRULES, sp);
if (dstlen < 3)
return -1;
if (*name != '\0' && *name != ',' && *name != ';') {
-@@ -951,8 +1219,19 @@ struct state * const sp;
+@@ -966,13 +1271,37 @@ struct state * const sp;
static void
- tzsetwall_basic(void)
+ tzsetwall_basic(int rdlocked)
{
+#ifdef NOTIFY_TZ
+ notify_check_tz(&lcl_notify);
++#else
++ if (TZDEFAULT) {
++ static struct timespec last_mtimespec = {0, 0};
++ struct stat statbuf;
++
++ if (lstat(TZDEFAULT, &statbuf) == 0) {
++ if (statbuf.st_mtimespec.tv_sec > last_mtimespec.tv_sec ||
++ (statbuf.st_mtimespec.tv_sec == last_mtimespec.tv_sec &&
++ statbuf.st_mtimespec.tv_nsec > last_mtimespec.tv_nsec)) {
++ /* Trigger resetting the local TZ */
++ lcl_is_set = 0;
++ }
++ last_mtimespec = statbuf.st_mtimespec;
++ }
++ }
+#endif /* NOTIFY_TZ */
+ if (!rdlocked)
+ _RWLOCK_RDLOCK(&lcl_rwlock);
+ if (lcl_is_set < 0) {
+#ifdef NOTIFY_TZ_DEBUG
-+ if (lcl_is_set < 0) {
+ NOTIFY_TZ_PRINTF("tzsetwall_basic lcl_is_set < 0\n");
-+ return;
-+ }
-+ NOTIFY_TZ_PRINTF("tzsetwall_basic not set\n");
-+#else /* ! NOTIFY_TZ_DEBUG */
- if (lcl_is_set < 0)
++#endif
+ if (!rdlocked)
+ _RWLOCK_UNLOCK(&lcl_rwlock);
return;
-+#endif /* NOTIFY_TZ_DEBUG */
- lcl_is_set = -1;
+ }
++#ifdef NOTIFY_TZ_DEBUG
++ NOTIFY_TZ_PRINTF("tzsetwall_basic not set\n");
++#endif
+ _RWLOCK_UNLOCK(&lcl_rwlock);
- #ifdef ALL_STATE
-@@ -966,18 +1245,24 @@ tzsetwall_basic(void)
+ _RWLOCK_WRLOCK(&lcl_rwlock);
+@@ -992,6 +1321,9 @@ tzsetwall_basic(int rdlocked)
#endif /* defined ALL_STATE */
if (tzload((char *) NULL, lclptr) != 0)
gmtload(lclptr);
+ notify_register_tz(fullname, &lcl_notify);
+#endif /* NOTIFY_TZ */
settzname();
- }
+ _RWLOCK_UNLOCK(&lcl_rwlock);
+@@ -1002,10 +1334,13 @@ tzsetwall_basic(int rdlocked)
void
tzsetwall(void)
{
+#ifdef NOTIFY_TZ_DEBUG
+ NOTIFY_TZ_PRINTF("tzsetwall called\n");
+#endif /* NOTIFY_TZ_DEBUG */
- _MUTEX_LOCK(&lcl_mutex);
- tzsetwall_basic();
- _MUTEX_UNLOCK(&lcl_mutex);
+ tzsetwall_basic(0);
}
-static void
+__private_extern__ void
- tzset_basic(void)
+ tzset_basic(int rdlocked)
{
const char * name;
-@@ -988,8 +1273,18 @@ tzset_basic(void)
+@@ -1016,11 +1351,17 @@ tzset_basic(int rdlocked)
return;
}
+#ifdef NOTIFY_TZ
+ notify_check_tz(&lcl_notify);
+#endif /* NOTIFY_TZ */
+ if (!rdlocked)
+ _RWLOCK_RDLOCK(&lcl_rwlock);
+ if (lcl_is_set > 0 && strcmp(lcl_TZname, name) == 0) {
+ if (!rdlocked)
+ _RWLOCK_UNLOCK(&lcl_rwlock);
+#ifdef NOTIFY_TZ_DEBUG
-+ if (lcl_is_set > 0 && strcmp(lcl_TZname, name) == 0) {
+ NOTIFY_TZ_PRINTF("tzset_basic matched %s\n", lcl_TZname);
-+ return;
-+ }
-+#else /* ! NOTIFY_TZ_DEBUG */
- if (lcl_is_set > 0 && strcmp(lcl_TZname, name) == 0)
++#endif
return;
-+#endif /* NOTIFY_TZ_DEBUG */
- lcl_is_set = strlen(name) < sizeof lcl_TZname;
- if (lcl_is_set)
- (void) strcpy(lcl_TZname, name);
-@@ -1014,15 +1309,25 @@ tzset_basic(void)
+ }
+ _RWLOCK_UNLOCK(&lcl_rwlock);
+@@ -1053,9 +1394,16 @@ tzset_basic(int rdlocked)
lclptr->ttis[0].tt_gmtoff = 0;
lclptr->ttis[0].tt_abbrind = 0;
(void) strcpy(lclptr->chars, gmt);
+ notify_register_tz(fullname, &lcl_notify);
+#endif /* NOTIFY_TZ */
settzname();
- }
+ _RWLOCK_UNLOCK(&lcl_rwlock);
+@@ -1066,6 +1414,9 @@ tzset_basic(int rdlocked)
void
tzset(void)
{
+#ifdef NOTIFY_TZ_DEBUG
+ NOTIFY_TZ_PRINTF("tzset called TZ=%s\n", getenv("TZ"));
+#endif /* NOTIFY_TZ_DEBUG */
- _MUTEX_LOCK(&lcl_mutex);
- tzset_basic();
- _MUTEX_UNLOCK(&lcl_mutex);
-@@ -1038,7 +1343,11 @@ tzset(void)
+ tzset_basic(0);
+ }
+
+@@ -1079,7 +1430,11 @@ tzset(void)
*/
/*ARGSUSED*/
localsub(timep, offset, tmp)
const time_t * const timep;
const long offset;
-@@ -1049,11 +1358,18 @@ struct tm * const tmp;
+@@ -1090,11 +1445,18 @@ struct tm * const tmp;
int i;
const time_t t = *timep;
}
#endif /* defined ALL_STATE */
if (sp->timecnt == 0 || t < sp->ats[0]) {
-@@ -1076,12 +1392,20 @@ struct tm * const tmp;
+@@ -1117,12 +1479,20 @@ struct tm * const tmp;
** t += ttisp->tt_gmtoff;
** timesub(&t, 0L, sp, tmp);
*/
}
struct tm *
-@@ -1094,8 +1418,9 @@ const time_t * const timep;
+@@ -1134,10 +1504,11 @@ const time_t * const timep;
+ struct tm *p_tm;
if (__isthreaded != 0) {
- _pthread_mutex_lock(&localtime_mutex);
- if (localtime_key < 0) {
-- if (_pthread_key_create(&localtime_key, free) < 0) {
+ if (localtime_key == (pthread_key_t)-1) {
-+ localtime_key = __LIBC_PTHREAD_KEY_LOCALTIME;
-+ if (pthread_key_init_np(localtime_key, free) < 0) {
- _pthread_mutex_unlock(&localtime_mutex);
- return(NULL);
- }
-@@ -1110,13 +1435,21 @@ const time_t * const timep;
+ _pthread_mutex_lock(&localtime_mutex);
+- if (localtime_key < 0) {
+- if (_pthread_key_create(&localtime_key, free) < 0) {
++ if (localtime_key == (pthread_key_t)-1) {
++ localtime_key = __LIBC_PTHREAD_KEY_LOCALTIME;
++ if (pthread_key_init_np(localtime_key, free) < 0) {
+ _pthread_mutex_unlock(&localtime_mutex);
+ return(NULL);
+ }
+@@ -1153,13 +1524,21 @@ const time_t * const timep;
}
- _pthread_mutex_lock(&lcl_mutex);
- tzset_basic();
+ _RWLOCK_RDLOCK(&lcl_rwlock);
+ tzset_basic(1);
+#ifdef __LP64__
+ p_tm = localsub(timep, 0L, p_tm);
+#else /* !__LP64__ */
localsub(timep, 0L, p_tm);
+#endif /* __LP64__ */
- _pthread_mutex_unlock(&lcl_mutex);
+ _RWLOCK_UNLOCK(&lcl_rwlock);
return(p_tm);
} else {
- tzset_basic();
+ tzset_basic(0);
+#ifdef __LP64__
+ return localsub(timep, 0L, &tm);
+#else /* !__LP64__ */
}
}
-@@ -1125,13 +1458,15 @@ const time_t * const timep;
+@@ -1168,13 +1547,15 @@ const time_t * const timep;
*/
struct tm *
-struct tm * tm;
+localtime_r(const time_t * const __restrict timep, struct tm * __restrict tm)
{
- _MUTEX_LOCK(&lcl_mutex);
- tzset_basic();
+ _RWLOCK_RDLOCK(&lcl_rwlock);
+ tzset_basic(1);
+#ifdef __LP64__
+ tm = localsub(timep, 0L, tm);
+#else /* !__LP64__ */
localsub(timep, 0L, tm);
+#endif /* __LP64__ */
- _MUTEX_UNLOCK(&lcl_mutex);
+ _RWLOCK_UNLOCK(&lcl_rwlock);
return tm;
}
-@@ -1140,23 +1475,48 @@ struct tm * tm;
+@@ -1183,25 +1564,52 @@ struct tm * tm;
** gmtsub is to gmtime as localsub is to localtime.
*/
+#ifdef NOTIFY_TZ_DEBUG
+ NOTIFY_TZ_PRINTF("gmtsub called\n");
+#endif /* NOTIFY_TZ_DEBUG */
- _MUTEX_LOCK(&gmt_mutex);
+#ifdef NOTIFY_TZ
+ notify_check_tz(&gmt_notify);
+#endif /* NOTIFY_TZ */
if (!gmt_is_set) {
- gmt_is_set = TRUE;
+ _MUTEX_LOCK(&gmt_mutex);
+ if (!gmt_is_set) {
#ifdef ALL_STATE
-- gmtptr = (struct state *) malloc(sizeof *gmtptr);
+- gmtptr = (struct state *) malloc(sizeof *gmtptr);
+#ifdef NOTIFY_TZ
-+ if (gmtptr == NULL)
++ if (gmtptr == NULL)
+#endif /* NOTIFY_TZ */
-+ gmtptr = (struct state *) malloc(sizeof *gmtptr);
- if (gmtptr != NULL)
++ gmtptr = (struct state *) malloc(sizeof *gmtptr);
+ if (gmtptr != NULL)
+#ifdef NOTIFY_TZ
-+ {
++ {
+#endif /* NOTIFY_TZ */
#endif /* defined ALL_STATE */
- gmtload(gmtptr);
+ gmtload(gmtptr);
+#ifdef NOTIFY_TZ
-+ notify_register_tz(fullname, &gmt_notify);
-+ }
++ notify_register_tz(fullname, &gmt_notify);
++#ifdef ALL_STATE
++ }
++#endif
+#endif /* NOTIFY_TZ */
+ gmt_is_set = TRUE;
+ }
+ _MUTEX_UNLOCK(&gmt_mutex);
}
- _MUTEX_UNLOCK(&gmt_mutex);
+#ifdef __LP64__
+ if(timesub(timep, offset, gmtptr, tmp) == NULL)
+ return NULL;
#ifdef TM_ZONE
/*
** Could get fancy here and deliver something such as
-@@ -1168,7 +1528,7 @@ struct tm * const tmp;
+@@ -1213,7 +1621,7 @@ struct tm * const tmp;
else {
#ifdef ALL_STATE
if (gmtptr == NULL)
else tmp->TM_ZONE = gmtptr->chars;
#endif /* defined ALL_STATE */
#ifndef ALL_STATE
-@@ -1176,6 +1536,9 @@ struct tm * const tmp;
+@@ -1221,6 +1629,9 @@ struct tm * const tmp;
#endif /* State Farm */
}
#endif /* defined TM_ZONE */
}
struct tm *
-@@ -1186,10 +1549,12 @@ const time_t * const timep;
- static pthread_key_t gmtime_key = -1;
+@@ -1232,10 +1643,11 @@ const time_t * const timep;
struct tm *p_tm;
-+
if (__isthreaded != 0) {
- _pthread_mutex_lock(&gmtime_mutex);
- if (gmtime_key < 0) {
-- if (_pthread_key_create(&gmtime_key, free) < 0) {
+ if (gmtime_key == (pthread_key_t)-1) {
-+ gmtime_key = __LIBC_PTHREAD_KEY_GMTIME;
-+ if (pthread_key_init_np(gmtime_key, free) < 0) {
- _pthread_mutex_unlock(&gmtime_mutex);
- return(NULL);
- }
-@@ -1206,12 +1571,20 @@ const time_t * const timep;
+ _pthread_mutex_lock(&gmtime_mutex);
+- if (gmtime_key < 0) {
+- if (_pthread_key_create(&gmtime_key, free) < 0) {
++ if (gmtime_key == (pthread_key_t)-1) {
++ gmtime_key = __LIBC_PTHREAD_KEY_GMTIME;
++ if (pthread_key_init_np(gmtime_key, free) < 0) {
+ _pthread_mutex_unlock(&gmtime_mutex);
+ return(NULL);
+ }
+@@ -1253,12 +1665,20 @@ const time_t * const timep;
}
_pthread_setspecific(gmtime_key, p_tm);
}
}
}
-@@ -1224,8 +1597,13 @@ gmtime_r(timep, tm)
+@@ -1271,8 +1691,13 @@ gmtime_r(timep, tm)
const time_t * const timep;
struct tm * tm;
{
}
#ifdef STD_INSPIRED
-@@ -1235,13 +1613,21 @@ offtime(timep, offset)
+@@ -1282,13 +1707,21 @@ offtime(timep, offset)
const time_t * const timep;
const long offset;
{
timesub(timep, offset, sp, tmp)
const time_t * const timep;
const long offset;
-@@ -1330,7 +1716,16 @@ struct tm * const tmp;
+@@ -1365,7 +1798,12 @@ struct tm * const tmp;
+ if (tmp->tm_wday < 0)
+ tmp->tm_wday += DAYSPERWEEK;
+ y = EPOCH_YEAR;
+-#define LEAPS_THRU_END_OF(y) ((y) / 4 - (y) / 100 + (y) / 400)
++#define _LEAPS_THRU_END_OF(y) ((y) / 4 - (y) / 100 + (y) / 400)
++#ifdef __LP64__
++#define LEAPS_THRU_END_OF(y) ((y) >= 0 ? _LEAPS_THRU_END_OF(y) : _LEAPS_THRU_END_OF((y) + 1) - 1)
++#else /* !__LP64__ */
++#define LEAPS_THRU_END_OF(y) _LEAPS_THRU_END_OF(y)
++#endif /* __LP64__ */
+ while (days < 0 || days >= (long) year_lengths[yleap = isleap(y)]) {
+ long newy;
+
+@@ -1377,7 +1815,16 @@ struct tm * const tmp;
LEAPS_THRU_END_OF(y - 1);
y = newy;
}
tmp->tm_yday = (int) days;
ip = mon_lengths[yleap];
for (tmp->tm_mon = 0; days >= (long) ip[tmp->tm_mon]; ++(tmp->tm_mon))
-@@ -1340,6 +1735,9 @@ struct tm * const tmp;
+@@ -1387,6 +1834,9 @@ struct tm * const tmp;
#ifdef TM_GMTOFF
tmp->TM_GMTOFF = offset;
#endif /* defined TM_GMTOFF */
}
char *
-@@ -1352,7 +1750,20 @@ const time_t * const timep;
+@@ -1399,7 +1849,20 @@ const time_t * const timep;
** to local time in the form of a string. It is equivalent to
** asctime(localtime(timer))
*/
}
char *
-@@ -1362,7 +1773,18 @@ char * buf;
+@@ -1409,7 +1872,18 @@ char * buf;
{
struct tm tm;
}
/*
-@@ -1427,12 +1849,17 @@ const struct tm * const btmp;
+@@ -1464,8 +1938,14 @@ const struct tm * const btmp;
+ {
+ int result;
+
+- if ((result = (atmp->tm_year - btmp->tm_year)) == 0 &&
+- (result = (atmp->tm_mon - btmp->tm_mon)) == 0 &&
++ /*
++ * Assume that atmp and btmp point to normalized tm strutures.
++ * So only arithmetic with tm_year could overflow in 64-bit.
++ */
++ if (atmp->tm_year != btmp->tm_year) {
++ return (atmp->tm_year > btmp->tm_year ? 1 : -1);
++ }
++ if ((result = (atmp->tm_mon - btmp->tm_mon)) == 0 &&
+ (result = (atmp->tm_mday - btmp->tm_mday)) == 0 &&
+ (result = (atmp->tm_hour - btmp->tm_hour)) == 0 &&
+ (result = (atmp->tm_min - btmp->tm_min)) == 0)
+@@ -1474,12 +1954,17 @@ const struct tm * const btmp;
}
static time_t
{
const struct state * sp;
int dir;
-@@ -1442,6 +1869,9 @@ const int do_norm_secs;
+@@ -1489,6 +1974,9 @@ const int do_norm_secs;
time_t newt;
time_t t;
struct tm yourtm, mytm;
*okayp = FALSE;
yourtm = *tmp;
-@@ -1460,33 +1890,64 @@ const int do_norm_secs;
+@@ -1507,33 +1995,64 @@ const int do_norm_secs;
** Turn yourtm.tm_year into an actual year number for now.
** It is converted back to an offset from TM_YEAR_BASE later.
*/
/* Don't go below 1900 for POLA */
if (yourtm.tm_year < 0)
return WRONG;
-@@ -1513,7 +1974,13 @@ const int do_norm_secs;
+@@ -1560,13 +2079,21 @@ const int do_norm_secs;
** Divide the search space in half
** (this works whether time_t is signed or unsigned).
*/
bits = TYPE_BIT(time_t) - 1;
+#endif /* __LP64__ */
/*
- ** If we have more than this, we will overflow tm_year for tmcomp().
- ** We should really return an error if we cannot represent it.
-@@ -1527,8 +1994,19 @@ const int do_norm_secs;
+- ** If we have more than this, we will overflow tm_year for tmcomp().
+- ** We should really return an error if we cannot represent it.
++ ** In 64-bit, we now return an error if we cannot represent the
++ ** struct tm value in a time_t. And tmcomp() is fixed to avoid
++ ** overflow in tm_year. So we only put a cap on bits because time_t
++ ** can't be larger that 56 bit (when tm_year == INT_MAX).
+ */
+- if (bits > 48)
+- bits = 48;
++ if (bits > 56)
++ bits = 56;
+ /*
+ ** If time_t is signed, then 0 is just above the median,
+ ** assuming two's complement arithmetic.
+@@ -1574,8 +2101,19 @@ const int do_norm_secs;
*/
t = TYPE_SIGNED(time_t) ? 0 : (((time_t) 1) << bits);
for ( ; ; ) {
if (dir != 0) {
if (bits-- < 0)
return WRONG;
-@@ -1539,6 +2017,9 @@ const int do_norm_secs;
+@@ -1586,6 +2124,9 @@ const int do_norm_secs;
else t += ((time_t) 1) << bits;
continue;
}
if (yourtm.tm_isdst < 0 || mytm.tm_isdst == yourtm.tm_isdst)
break;
/*
-@@ -1547,7 +2028,6 @@ const int do_norm_secs;
+@@ -1594,7 +2135,6 @@ const int do_norm_secs;
** It's okay to guess wrong since the guess
** gets checked.
*/
#ifdef ALL_STATE
if (sp == NULL)
return WRONG;
-@@ -1560,7 +2040,12 @@ const int do_norm_secs;
+@@ -1607,7 +2147,12 @@ const int do_norm_secs;
continue;
newt = t + sp->ttis[j].tt_gmtoff -
sp->ttis[i].tt_gmtoff;
if (tmcomp(&mytm, &yourtm) != 0)
continue;
if (mytm.tm_isdst != yourtm.tm_isdst)
-@@ -1579,17 +2064,27 @@ label:
+@@ -1626,17 +2171,27 @@ label:
if ((newt < t) != (saved_seconds < 0))
return WRONG;
t = newt;
{
time_t t;
-@@ -1598,15 +2093,20 @@ int * const okayp;
+@@ -1645,15 +2200,20 @@ int * const okayp;
** (in case tm_sec contains a value associated with a leap second).
** If that fails, try with normalization of seconds.
*/
{
time_t t;
const struct state * sp;
-@@ -1620,7 +2120,7 @@ const long offset;
+@@ -1667,7 +2227,7 @@ const long offset;
if (tmp->tm_isdst > 1)
tmp->tm_isdst = 1;
#ifdef PCTS
/*
** PCTS code courtesy Grant Sullivan (grant@osf.org).
-@@ -1664,7 +2164,7 @@ const long offset;
+@@ -1711,7 +2271,7 @@ const long offset;
tmp->tm_sec += sp->ttis[otheri].tt_gmtoff -
sp->ttis[samei].tt_gmtoff;
tmp->tm_isdst = !tmp->tm_isdst;
if (okay)
return t;
tmp->tm_sec -= sp->ttis[otheri].tt_gmtoff -
-@@ -1674,19 +2174,25 @@ const long offset;
+@@ -1721,19 +2281,25 @@ const long offset;
}
return WRONG;
}
+#else /* BUILDING_VARIANT */
-+__private_extern__ pthread_mutex_t lcl_mutex;
++__private_extern__ pthread_rwlock_t lcl_rwlock;
+#endif /* BUILDING_VARIANT */
time_t
{
time_t mktime_return_value;
+ int serrno = errno;
- _MUTEX_LOCK(&lcl_mutex);
- tzset_basic();
+ _RWLOCK_RDLOCK(&lcl_rwlock);
+ tzset_basic(1);
- mktime_return_value = time1(tmp, localsub, 0L);
+ mktime_return_value = time1(tmp, localsub, 0L, __DARWIN_UNIX03);
- _MUTEX_UNLOCK(&lcl_mutex);
+ _RWLOCK_UNLOCK(&lcl_rwlock);
+ errno = serrno;
return(mktime_return_value);
}
#ifdef STD_INSPIRED
time_t
-@@ -1702,7 +2208,7 @@ timegm(tmp)
+@@ -1749,7 +2315,7 @@ timegm(tmp)
struct tm * const tmp;
{
tmp->tm_isdst = 0;
}
time_t
-@@ -1711,7 +2217,7 @@ struct tm * const tmp;
+@@ -1758,7 +2324,7 @@ struct tm * const tmp;
const long offset;
{
tmp->tm_isdst = 0;
}
#endif /* defined STD_INSPIRED */
-@@ -1811,3 +2317,4 @@ time_t t;
+@@ -1858,3 +2424,4 @@ time_t t;
}
#endif /* defined STD_INSPIRED */
projects / apple / libc.git / blobdiff