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stdtime/FreeBSD/localtime.c.patch Libc-763.13 Libc-391.2.7
--- Libc/Libc-763.13/stdtime/FreeBSD/localtime.c.patch
+++ Libc/Libc-391.2.7/stdtime/FreeBSD/localtime.c.patch
@@ -1,13 +1,9 @@
---- 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>
+--- localtime.c.orig	2004-11-01 23:24:08.000000000 -0800
++++ localtime.c	2004-11-05 23:43:55.000000000 -0800
+@@ -24,6 +24,18 @@
  #include <sys/stat.h>
-+#include <time.h>
  #include <fcntl.h>
  #include <pthread.h>
-+#include <errno.h>
 +#ifdef NOTIFY_TZ
 +//#define NOTIFY_TZ_DEBUG
 +//#define NOTIFY_TZ_DEBUG_FILE	"/var/log/localtime.debug"
@@ -23,7 +19,7 @@
  #include "private.h"
  #include "un-namespace.h"
  
-@@ -150,40 +164,94 @@ struct rule {
+@@ -135,6 +147,16 @@
  #define DAY_OF_YEAR		1	/* n - day of year */
  #define MONTH_NTH_DAY_OF_WEEK	2	/* Mm.n.d - month, week, day of week */
  
@@ -40,50 +36,7 @@
  /*
  ** Prototypes for static functions.
  */
-+#define	localsub	_st_localsub
-+#define	time1		_st_time1
-+#define	tzset_basic	_st_tzset_basic
-+__private_extern__
-+#ifdef __LP64__
-+struct tm *		localsub(const time_t * timep, long offset,
-+				struct tm * tmp);
-+#else /* !__LP64__ */
-+void			localsub(const time_t * timep, long offset,
-+				struct tm * tmp);
-+#endif /* __LP64__ */
-+__private_extern__
-+time_t			time1(struct tm * tmp,
-+#ifdef __LP64__
-+				struct tm *(*funcp) (const time_t *,
-+				long, struct tm *),
-+#else /* !__LP64__ */
-+				void(*funcp) (const time_t *,
-+				long, struct tm *),
-+#endif /* __LP64__ */
-+				long offset,
-+			        int unix03);
-+__private_extern__
-+void			tzset_basic(int);
- 
-+#if !BUILDING_VARIANT
- static long		detzcode(const char * codep);
--static const char *	getzname(const char * strp);
-+static const char *	getzname(const char * strp, char **name, size_t *len);
- static const char *	getnum(const char * strp, int * nump, int min,
- 				int max);
- static const char *	getsecs(const char * strp, long * secsp);
- static const char *	getoffset(const char * strp, long * offsetp);
- static const char *	getrule(const char * strp, struct rule * rulep);
- static void		gmtload(struct state * sp);
--static void		gmtsub(const time_t * timep, long offset,
-+#ifdef __LP64__
-+static struct tm *	gmtsub(const time_t * timep, long offset,
- 				struct tm * tmp);
--static void		localsub(const time_t * timep, long offset,
-+#else /* !__LP64__ */
-+static void		gmtsub(const time_t * timep, long offset,
- 				struct tm * tmp);
-+#endif /* __LP64__ */
+@@ -154,6 +176,10 @@
  static int		increment_overflow(int * number, int delta);
  static int		normalize_overflow(int * tensptr, int * unitsptr,
  				int base);
@@ -92,58 +45,23 @@
 +static void		notify_register_tz(char *file, notify_tz_t *p);
 +#endif /* NOTIFY_TZ */
  static void		settzname(void);
--static time_t		time1(struct tm * tmp,
--				void(*funcp) (const time_t *,
--				long, struct tm *),
--				long offset);
- static time_t		time2(struct tm *tmp,
-+#ifdef __LP64__
-+				struct tm *(*funcp) (const time_t *,
-+				long, struct tm*),
-+#else /* !__LP64__ */
+ static time_t		time1(struct tm * tmp,
  				void(*funcp) (const time_t *,
- 				long, struct tm*),
--				long offset, int * okayp);
-+#endif /* __LP64__ */
-+				long offset, int * okayp, int unix03);
- static time_t		time2sub(struct tm *tmp,
-+#ifdef __LP64__
-+				struct tm *(*funcp) (const time_t *,
-+				long, struct tm*),
-+#else /* !__LP64__ */
- 				void(*funcp) (const time_t *,
- 				long, struct tm*),
--				long offset, int * okayp, int do_norm_secs);
-+#endif /* __LP64__ */
-+				long offset, int * okayp, int do_norm_secs,
-+				int unix03);
-+#ifdef __LP64__
-+static struct tm *	timesub(const time_t * timep, long offset,
-+				const struct state * sp, struct tm * tmp);
-+#else /* !__LP64__ */
- static void		timesub(const time_t * timep, long offset,
- 				const struct state * sp, struct tm * tmp);
-+#endif /* __LP64__ */
- static int		tmcomp(const struct tm * atmp,
- 				const struct tm * btmp);
- static time_t		transtime(time_t janfirst, int year,
-@@ -209,9 +277,14 @@ static struct state	gmtmem;
+@@ -194,8 +220,13 @@
  #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_rwlock_t	lcl_rwlock = PTHREAD_RWLOCK_INITIALIZER;
-+#endif /* NOTIFY_TZ */
-+__private_extern__ pthread_rwlock_t	lcl_rwlock = PTHREAD_RWLOCK_INITIALIZER;
++#endif /* NOTIFY_TZ */
+ static pthread_mutex_t	lcl_mutex = PTHREAD_MUTEX_INITIALIZER;
  static pthread_mutex_t	gmt_mutex = PTHREAD_MUTEX_INITIALIZER;
  
- char *			tzname[2] = {
-@@ -229,15 +302,62 @@ char *			tzname[2] = {
+@@ -214,15 +245,62 @@
  
  static struct tm	tm;
  
@@ -208,19 +126,7 @@
  static long
  detzcode(codep)
  const char * const	codep;
-@@ -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;
+@@ -246,14 +324,14 @@
  	tzname[1] = wildabbr;
  #ifdef USG_COMPAT
  	daylight = 0;
@@ -237,85 +143,19 @@
  		return;
  	}
  #endif /* defined ALL_STATE */
--	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;
+@@ -266,7 +344,7 @@
+ 		if (ttisp->tt_isdst)
  			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)
--			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) */
+ 		if (i == 0 || ttisp->tt_isdst)
+@@ -286,6 +364,117 @@
  	}
--	/*
--	** 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)
@@ -352,8 +192,6 @@
 +		NOTIFY_TZ_PRINTF("notify_check_tz: %s unchanged\n", (p == &lcl_notify) ? "lcl" : "gmt");
 +#endif /* NOTIFY_TZ_DEBUG */
 +}
-+
-+extern uint32_t notify_monitor_file(int token, char *path, int flags);
 +
 +static void
 +notify_register_tz(char *file, notify_tz_t *p)
@@ -361,9 +199,7 @@
 +	char *name;
 +	unsigned int nstat;
 +	int ncheck;
- 
--		tzname[ttisp->tt_isdst] =
--			&sp->chars[ttisp->tt_abbrind];
++
 +	if (__notify_78945668_info__ < 0)
 +		return;
 +	/*----------------------------------------------------------------
@@ -426,14 +262,15 @@
 +#endif /* NOTIFY_TZ_LOG */
 +			return;
 +		}
- 	}
++	}
 +	notify_check(p->token, &ncheck);	/* this always returns true */
- }
-+#endif /* NOTIFY_TZ */
- 
++}
++#endif /* NOTIFY_TZ */
++
  static int
  tzload(name, sp)
-@@ -310,6 +582,9 @@ struct state * const	sp;
+ const char *		name;
+@@ -295,6 +484,9 @@
  	int		i;
  	int		fid;
  
@@ -443,7 +280,7 @@
  	/* XXX The following is from OpenBSD, and I'm not sure it is correct */
  	if (name != NULL && issetugid() != 0)
  		if ((name[0] == ':' && name[1] == '/') || 
-@@ -327,7 +602,15 @@ struct state * const	sp;
+@@ -312,7 +504,15 @@
  		** to hold the longest file name string that the implementation
  		** guarantees can be opened."
  		*/
@@ -459,7 +296,7 @@
  
  		if (name[0] == ':')
  			++name;
-@@ -335,7 +618,11 @@ struct state * const	sp;
+@@ -320,7 +520,11 @@
  		if (!doaccess) {
  			if ((p = TZDIR) == NULL)
  				return -1;
@@ -471,7 +308,7 @@
  				return -1;
  			(void) strcpy(fullname, p);
  			(void) strcat(fullname, "/");
-@@ -347,6 +634,10 @@ struct state * const	sp;
+@@ -332,6 +536,10 @@
  				doaccess = TRUE;
  			name = fullname;
  		}
@@ -482,7 +319,7 @@
  		if (doaccess && access(name, R_OK) != 0)
  		     	return -1;
  		if ((fid = _open(name, OPEN_MODE)) == -1)
-@@ -365,6 +656,9 @@ struct state * const	sp;
+@@ -350,6 +558,9 @@
  		int		ttisstdcnt;
  		int		ttisgmtcnt;
  
@@ -492,52 +329,7 @@
  		i = _read(fid, u.buf, sizeof u.buf);
  		if (_close(fid) != 0)
  			return -1;
-@@ -471,14 +765,24 @@ static const int	year_lengths[2] = {
- */
- 
- static const char *
--getzname(strp)
-+getzname(strp, name, len)
- const char *	strp;
-+char **		name;
-+size_t *	len;
- {
- 	char	c;
-+	char *	ket;
- 
-+	if (*strp == '<' && (ket = strchr(strp, '>')) != NULL) {
-+		*name = (char *)(strp + 1);
-+		*len = ket - strp - 1;
-+		return ket + 1;
-+	}
-+	*name = (char *)strp;
- 	while ((c = *strp) != '\0' && !is_digit(c) && c != ',' && c != '-' &&
- 		c != '+')
- 			++strp;
-+	*len = strp - *name;
- 	return strp;
- }
- 
-@@ -758,16 +1062,15 @@ const int			lastditch;
- 	int			load_result;
- 
- 	INITIALIZE(dstname);
--	stdname = name;
- 	if (lastditch) {
-+		stdname = name;
- 		stdlen = strlen(name);	/* length of standard zone name */
- 		name += stdlen;
- 		if (stdlen >= sizeof sp->chars)
- 			stdlen = (sizeof sp->chars) - 1;
- 		stdoffset = 0;
- 	} else {
--		name = getzname(name);
--		stdlen = name - stdname;
-+		name = getzname(name, (char **)&stdname, &stdlen);
- 		if (stdlen < 3)
- 			return -1;
- 		if (*name == '\0')
-@@ -779,12 +1082,14 @@ const int			lastditch;
+@@ -764,6 +975,9 @@
  		}
  	}
  	load_result = tzload(TZDEFRULES, sp);
@@ -547,52 +339,27 @@
  	if (load_result != 0)
  		sp->leapcnt = 0;		/* so, we're off a little */
  	if (*name != '\0') {
- 		dstname = name;
--		name = getzname(name);
--		dstlen = name - dstname;	/* length of DST zone name */
-+		name = getzname(name, (char **)&dstname, &dstlen);
- 		if (dstlen < 3)
- 			return -1;
- 		if (*name != '\0' && *name != ',' && *name != ';') {
-@@ -966,13 +1271,37 @@ struct state * const	sp;
+@@ -951,8 +1165,19 @@
  static void
- tzsetwall_basic(int rdlocked)
+ tzsetwall_basic(void)
  {
 +#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
++#endif /* NOTIFY_TZ */
++#ifdef NOTIFY_TZ_DEBUG
++	if (lcl_is_set < 0) {
 +		NOTIFY_TZ_PRINTF("tzsetwall_basic lcl_is_set < 0\n");
-+#endif
- 		if (!rdlocked)
- 			_RWLOCK_UNLOCK(&lcl_rwlock);
++		return;
++	}
++	NOTIFY_TZ_PRINTF("tzsetwall_basic not set\n");
++#else /* ! NOTIFY_TZ_DEBUG */
+ 	if (lcl_is_set < 0)
  		return;
- 	}
-+#ifdef NOTIFY_TZ_DEBUG
-+	NOTIFY_TZ_PRINTF("tzsetwall_basic not set\n");
-+#endif
- 	_RWLOCK_UNLOCK(&lcl_rwlock);
- 
- 	_RWLOCK_WRLOCK(&lcl_rwlock);
-@@ -992,6 +1321,9 @@ tzsetwall_basic(int rdlocked)
++#endif /* NOTIFY_TZ_DEBUG */
+ 	lcl_is_set = -1;
+ 
+ #ifdef ALL_STATE
+@@ -966,12 +1191,18 @@
  #endif /* defined ALL_STATE */
  	if (tzload((char *) NULL, lclptr) != 0)
  		gmtload(lclptr);
@@ -600,42 +367,37 @@
 +	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 */
- 	tzsetwall_basic(0);
- }
- 
--static void
-+__private_extern__ void
- tzset_basic(int rdlocked)
- {
- 	const char *	name;
-@@ -1016,11 +1351,17 @@ tzset_basic(int rdlocked)
+ 	_MUTEX_LOCK(&lcl_mutex);
+ 	tzsetwall_basic();
+ 	_MUTEX_UNLOCK(&lcl_mutex);
+@@ -988,8 +1219,18 @@
  		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
++#ifdef NOTIFY_TZ_DEBUG
++	if (lcl_is_set > 0 && strcmp(lcl_TZname, name) == 0) {
 +		NOTIFY_TZ_PRINTF("tzset_basic matched %s\n", lcl_TZname);
-+#endif
++		return;
++	}
++#else /* ! NOTIFY_TZ_DEBUG */
+ 	if (lcl_is_set > 0 && strcmp(lcl_TZname, name) == 0)
  		return;
- 	}
- 	_RWLOCK_UNLOCK(&lcl_rwlock);
-@@ -1053,9 +1394,16 @@ tzset_basic(int rdlocked)
++#endif /* NOTIFY_TZ_DEBUG */
+ 	lcl_is_set = strlen(name) < sizeof lcl_TZname;
+ 	if (lcl_is_set)
+ 		(void) strcpy(lcl_TZname, name);
+@@ -1014,15 +1255,25 @@
  		lclptr->ttis[0].tt_gmtoff = 0;
  		lclptr->ttis[0].tt_abbrind = 0;
  		(void) strcpy(lclptr->chars, gmt);
@@ -650,32 +412,18 @@
 +	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 */
- 	tzset_basic(0);
- }
- 
-@@ -1079,7 +1430,11 @@ tzset(void)
- */
- 
- /*ARGSUSED*/
--static void
-+#ifdef __LP64__
-+__private_extern__ struct tm *
-+#else /* !__LP64__ */
-+__private_extern__ void
-+#endif /* __LP64__ */
- localsub(timep, offset, tmp)
- const time_t * const	timep;
- const long		offset;
-@@ -1090,11 +1445,18 @@ struct tm * const	tmp;
+ 	_MUTEX_LOCK(&lcl_mutex);
+ 	tzset_basic();
+ 	_MUTEX_UNLOCK(&lcl_mutex);
+@@ -1049,6 +1300,9 @@
  	int			i;
  	const time_t			t = *timep;
  
@@ -685,147 +433,48 @@
  	sp = lclptr;
  #ifdef ALL_STATE
  	if (sp == NULL) {
-+#ifdef __LP64__
-+		return gmtsub(timep, offset, tmp);
-+#else /* !__LP64__ */
- 		gmtsub(timep, offset, tmp);
- 		return;
-+#endif /* __LP64__ */
- 	}
- #endif /* defined ALL_STATE */
- 	if (sp->timecnt == 0 || t < sp->ats[0]) {
-@@ -1117,12 +1479,20 @@ struct tm * const	tmp;
- 	**	t += ttisp->tt_gmtoff;
- 	**	timesub(&t, 0L, sp, tmp);
- 	*/
-+#ifdef __LP64__
-+	if (timesub(&t, ttisp->tt_gmtoff, sp, tmp) == NULL)
-+		return NULL;
-+#else /* !__LP64__ */
- 	timesub(&t, ttisp->tt_gmtoff, sp, tmp);
-+#endif /* __LP64__ */
- 	tmp->tm_isdst = ttisp->tt_isdst;
- 	tzname[tmp->tm_isdst] = &sp->chars[ttisp->tt_abbrind];
- #ifdef TM_ZONE
- 	tmp->TM_ZONE = &sp->chars[ttisp->tt_abbrind];
- #endif /* defined TM_ZONE */
-+#ifdef __LP64__
-+	return tmp;
-+#endif /* __LP64__ */
- }
- 
- struct tm *
-@@ -1134,10 +1504,11 @@ const time_t * const	timep;
- 	struct tm *p_tm;
+@@ -1094,7 +1348,7 @@
  
  	if (__isthreaded != 0) {
+ 		_pthread_mutex_lock(&localtime_mutex);
 -		if (localtime_key < 0) {
 +		if (localtime_key == (pthread_key_t)-1) {
- 			_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;
- 		}
- 		_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__ */
- 		_RWLOCK_UNLOCK(&lcl_rwlock);
- 		return(p_tm);
- 	} else {
- 		tzset_basic(0);
-+#ifdef __LP64__
-+		return localsub(timep, 0L, &tm);
-+#else /* !__LP64__ */
- 		localsub(timep, 0L, &tm);
- 		return(&tm);
-+#endif /* __LP64__ */
- 	}
- }
- 
-@@ -1168,13 +1547,15 @@ const time_t * const	timep;
- */
- 
- struct tm *
--localtime_r(timep, tm)
--const time_t * const	timep;
--struct tm *		tm;
-+localtime_r(const time_t * const __restrict timep, struct tm * __restrict tm)
- {
- 	_RWLOCK_RDLOCK(&lcl_rwlock);
- 	tzset_basic(1);
-+#ifdef __LP64__
-+	tm = localsub(timep, 0L, tm);
-+#else /* !__LP64__ */
- 	localsub(timep, 0L, tm);
-+#endif /* __LP64__ */
- 	_RWLOCK_UNLOCK(&lcl_rwlock);
- 	return tm;
- }
-@@ -1183,25 +1564,52 @@ struct tm *		tm;
- ** gmtsub is to gmtime as localsub is to localtime.
- */
- 
-+#ifdef __LP64__
-+static struct tm *
-+#else /* !__LP64__ */
- static void
-+#endif /* __LP64__ */
- gmtsub(timep, offset, tmp)
- const time_t * const	timep;
+ 			if (_pthread_key_create(&localtime_key, free) < 0) {
+ 				_pthread_mutex_unlock(&localtime_mutex);
+ 				return(NULL);
+@@ -1146,14 +1400,30 @@
  const long		offset;
  struct tm * const	tmp;
  {
 +#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) {
- 		_MUTEX_LOCK(&gmt_mutex);
- 		if (!gmt_is_set) {
+ 		gmt_is_set = TRUE;
  #ifdef ALL_STATE
--			gmtptr = (struct state *) malloc(sizeof *gmtptr);
-+#ifdef NOTIFY_TZ
-+			if (gmtptr == NULL)
-+#endif /* NOTIFY_TZ */
-+				gmtptr = (struct state *) malloc(sizeof *gmtptr);
- 			if (gmtptr != NULL)
-+#ifdef NOTIFY_TZ
-+			{
+-		gmtptr = (struct state *) malloc(sizeof *gmtptr);
++#ifdef NOTIFY_TZ
++		if (gmtptr == NULL)
++#endif /* NOTIFY_TZ */
++			gmtptr = (struct state *) malloc(sizeof *gmtptr);
+ 		if (gmtptr != NULL)
++#ifdef NOTIFY_TZ
++		{
 +#endif /* NOTIFY_TZ */
  #endif /* defined ALL_STATE */
- 				gmtload(gmtptr);
-+#ifdef NOTIFY_TZ
-+				notify_register_tz(fullname, &gmt_notify);
-+#ifdef ALL_STATE
-+			}
-+#endif
-+#endif /* NOTIFY_TZ */
- 			gmt_is_set = TRUE;
- 		}
- 		_MUTEX_UNLOCK(&gmt_mutex);
+ 			gmtload(gmtptr);
++#ifdef NOTIFY_TZ
++			notify_register_tz(fullname, &gmt_notify);
++		}
++#endif /* NOTIFY_TZ */
  	}
-+#ifdef __LP64__
-+	if(timesub(timep, offset, gmtptr, tmp) == NULL)
-+		return NULL;
-+#else /* !__LP64__ */
+ 	_MUTEX_UNLOCK(&gmt_mutex);
  	timesub(timep, offset, gmtptr, tmp);
-+#endif /* __LP64__ */
- #ifdef TM_ZONE
- 	/*
- 	** Could get fancy here and deliver something such as
-@@ -1213,7 +1621,7 @@ struct tm * const	tmp;
+@@ -1168,7 +1438,7 @@
  	else {
  #ifdef ALL_STATE
  		if (gmtptr == NULL)
@@ -834,476 +483,12 @@
  		else	tmp->TM_ZONE = gmtptr->chars;
  #endif /* defined ALL_STATE */
  #ifndef ALL_STATE
-@@ -1221,6 +1629,9 @@ struct tm * const	tmp;
- #endif /* State Farm */
- 	}
- #endif /* defined TM_ZONE */
-+#ifdef __LP64__
-+	return tmp;
-+#endif /* __LP64__ */
- }
- 
- struct tm *
-@@ -1232,10 +1643,11 @@ const time_t * const	timep;
- 	struct tm *p_tm;
+@@ -1188,7 +1458,7 @@
  
  	if (__isthreaded != 0) {
+ 		_pthread_mutex_lock(&gmtime_mutex);
 -		if (gmtime_key < 0) {
 +		if (gmtime_key == (pthread_key_t)-1) {
- 			_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);
- 		}
-+#ifdef __LP64__
-+		return gmtsub(timep, 0L, p_tm);
-+#else /* !__LP64__ */
- 		gmtsub(timep, 0L, p_tm);
- 		return(p_tm);
-+#endif /* __LP64__ */
- 	}
- 	else {
-+#ifdef __LP64__
-+		return gmtsub(timep, 0L, &tm);
-+#else /* !__LP64__ */
- 		gmtsub(timep, 0L, &tm);
- 		return(&tm);
-+#endif /* __LP64__ */
- 	}
- }
- 
-@@ -1271,8 +1691,13 @@ gmtime_r(timep, tm)
- const time_t * const	timep;
- struct tm *		tm;
- {
-+
-+#ifdef __LP64__
-+	return gmtsub(timep, 0L, tm);
-+#else /* !__LP64__ */
- 	gmtsub(timep, 0L, tm);
- 	return tm;
-+#endif /* __LP64__ */
- }
- 
- #ifdef STD_INSPIRED
-@@ -1282,13 +1707,21 @@ offtime(timep, offset)
- const time_t * const	timep;
- const long		offset;
- {
-+#ifdef __LP64__
-+	return gmtsub(timep, offset, &tm);
-+#else /* !__LP64__ */
- 	gmtsub(timep, offset, &tm);
- 	return &tm;
-+#endif /* __LP64__ */
- }
- 
- #endif /* defined STD_INSPIRED */
- 
-+#ifdef __LP64__
-+static struct tm *
-+#else /* !__LP64__ */
- static void
-+#endif /* __LP64__ */
- timesub(timep, offset, sp, tmp)
- const time_t * const			timep;
- const long				offset;
-@@ -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;
- 	}
-+#ifdef __LP64__
-+	y -= TM_YEAR_BASE;
-+	if (y < INT_MIN || y > INT_MAX) {
-+		errno = EOVERFLOW;
-+		return NULL;
-+	}
-+	tmp->tm_year = y;
-+#else /* !__LP64__ */
- 	tmp->tm_year = y - TM_YEAR_BASE;
-+#endif /* __LP64__ */
- 	tmp->tm_yday = (int) days;
- 	ip = mon_lengths[yleap];
- 	for (tmp->tm_mon = 0; days >= (long) ip[tmp->tm_mon]; ++(tmp->tm_mon))
-@@ -1387,6 +1834,9 @@ struct tm * const		tmp;
- #ifdef TM_GMTOFF
- 	tmp->TM_GMTOFF = offset;
- #endif /* defined TM_GMTOFF */
-+#ifdef __LP64__
-+	return tmp;
-+#endif /* __LP64__ */
- }
- 
- char *
-@@ -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))
- */
-+#ifdef __LP64__
-+	/*
-+	 * In 64-bit, the timep value may produce a time value with a year
-+	 * that exceeds 32-bits in size (won't fit in struct tm), so localtime
-+	 * will return NULL.
-+	 */
-+	struct tm *tm = localtime(timep);
-+
-+	if (tm == NULL)
-+		return NULL;
-+	return asctime(tm);
-+#else /* !__LP64__ */
- 	return asctime(localtime(timep));
-+#endif /* __LP64__ */
- }
- 
- char *
-@@ -1409,7 +1872,18 @@ char *			buf;
- {
- 	struct tm	tm;
- 
-+#ifdef __LP64__
-+	/*
-+	 * In 64-bit, the timep value may produce a time value with a year
-+	 * that exceeds 32-bits in size (won't fit in struct tm), so localtime_r
-+	 * will return NULL.
-+	 */
-+	if (localtime_r(timep, &tm) == NULL)
-+		return NULL;
-+	return asctime_r(&tm, buf);
-+#else /* !__LP64__ */
- 	return asctime_r(localtime_r(timep, &tm), buf);
-+#endif /* __LP64__ */
- }
- 
- /*
-@@ -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
--time2sub(tmp, funcp, offset, okayp, do_norm_secs)
-+time2sub(tmp, funcp, offset, okayp, do_norm_secs, unix03)
- struct tm * const	tmp;
-+#ifdef __LP64__
-+struct tm *(* const	funcp)(const time_t*, long, struct tm*);
-+#else /* !__LP64__ */
- void (* const		funcp)(const time_t*, long, struct tm*);
-+#endif /* __LP64__ */
- const long		offset;
- int * const		okayp;
- const int		do_norm_secs;
-+int			unix03;
- {
- 	const struct state *	sp;
- 	int			dir;
-@@ -1489,6 +1974,9 @@ const int		do_norm_secs;
- 	time_t				newt;
- 	time_t				t;
- 	struct tm			yourtm, mytm;
-+#ifdef __LP64__
-+	long				year, il;
-+#endif /* __LP64__ */
- 
- 	*okayp = FALSE;
- 	yourtm = *tmp;
-@@ -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.
- 	*/
-+#ifdef __LP64__
-+	year = (long)yourtm.tm_year + TM_YEAR_BASE;
-+#else /* !__LP64__ */
- 	if (increment_overflow(&yourtm.tm_year, TM_YEAR_BASE))
- 		return WRONG;
-+#endif /* __LP64__ */
- 	while (yourtm.tm_mday <= 0) {
-+#ifdef __LP64__
-+		year--;
-+		il = year + (1 < yourtm.tm_mon);
-+		yourtm.tm_mday += year_lengths[isleap(il)];
-+#else /* !__LP64__ */
- 		if (increment_overflow(&yourtm.tm_year, -1))
- 			return WRONG;
- 		i = yourtm.tm_year + (1 < yourtm.tm_mon);
- 		yourtm.tm_mday += year_lengths[isleap(i)];
-+#endif /* __LP64__ */
- 	}
- 	while (yourtm.tm_mday > DAYSPERLYEAR) {
-+#ifdef __LP64__
-+		il = year + (1 < yourtm.tm_mon);
-+		yourtm.tm_mday -= year_lengths[isleap(il)];
-+		year++;
-+#else /* !__LP64__ */
- 		i = yourtm.tm_year + (1 < yourtm.tm_mon);
- 		yourtm.tm_mday -= year_lengths[isleap(i)];
- 		if (increment_overflow(&yourtm.tm_year, 1))
- 			return WRONG;
-+#endif /* __LP64__ */
- 	}
- 	for ( ; ; ) {
-+#ifdef __LP64__
-+		i = mon_lengths[isleap(year)][yourtm.tm_mon];
-+#else /* !__LP64__ */
- 		i = mon_lengths[isleap(yourtm.tm_year)][yourtm.tm_mon];
-+#endif /* __LP64__ */
- 		if (yourtm.tm_mday <= i)
- 			break;
- 		yourtm.tm_mday -= i;
- 		if (++yourtm.tm_mon >= MONSPERYEAR) {
- 			yourtm.tm_mon = 0;
-+#ifdef __LP64__
-+			year++;
-+#else /* !__LP64__ */
- 			if (increment_overflow(&yourtm.tm_year, 1))
- 				return WRONG;
-+#endif /* __LP64__ */
- 		}
- 	}
-+#ifdef __LP64__
-+	year -= TM_YEAR_BASE;
-+	if (year > INT_MAX || year < INT_MIN)
-+		return WRONG;
-+	yourtm.tm_year = year;
-+#else /* !__LP64__ */
- 	if (increment_overflow(&yourtm.tm_year, -TM_YEAR_BASE))
- 		return WRONG;
-+#endif /* __LP64__ */
- 	/* Don't go below 1900 for POLA */
- 	if (yourtm.tm_year < 0)
- 		return WRONG;
-@@ -1560,13 +2079,21 @@ const int		do_norm_secs;
- 	** Divide the search space in half
- 	** (this works whether time_t is signed or unsigned).
- 	*/
-+#ifdef __LP64__
-+	/* optimization: see if the value is 31-bit (signed) */
-+	t = (((time_t) 1) << (TYPE_BIT(int) - 1)) - 1;
-+	bits = ((*funcp)(&t, offset, &mytm) == NULL || tmcomp(&mytm, &yourtm) < 0) ? TYPE_BIT(time_t) - 1 : TYPE_BIT(int) - 1;
-+#else /* !__LP64__ */
- 	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.
-+	** 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 ( ; ; ) {
-+#ifdef __LP64__
-+		if ((*funcp)(&t, offset, &mytm) == NULL) {
-+		    /* we overflowed, so t is too big */
-+		    dir = 1;
-+		    goto skip_tmcomp;
-+		}
-+#else /* !__LP64__ */
- 		(*funcp)(&t, offset, &mytm);
-+#endif /* __LP64__ */
- 		dir = tmcomp(&mytm, &yourtm);
-+#ifdef __LP64__
-+skip_tmcomp:
-+#endif /* __LP64__ */
- 		if (dir != 0) {
- 			if (bits-- < 0)
- 				return WRONG;
-@@ -1586,6 +2124,9 @@ const int		do_norm_secs;
- 			else	t += ((time_t) 1) << bits;
- 			continue;
- 		}
-+		sp = (funcp == localsub) ? lclptr : gmtptr;
-+		if (unix03 && sp->typecnt == 1 && yourtm.tm_isdst > 0) 
-+			yourtm.tm_isdst = 0; /* alternative time does not apply */
- 		if (yourtm.tm_isdst < 0 || mytm.tm_isdst == yourtm.tm_isdst)
- 			break;
- 		/*
-@@ -1594,7 +2135,6 @@ const int		do_norm_secs;
- 		** It's okay to guess wrong since the guess
- 		** gets checked.
- 		*/
--		sp = (funcp == localsub) ? lclptr : gmtptr;
- #ifdef ALL_STATE
- 		if (sp == NULL)
- 			return WRONG;
-@@ -1607,7 +2147,12 @@ const int		do_norm_secs;
- 					continue;
- 				newt = t + sp->ttis[j].tt_gmtoff -
- 					sp->ttis[i].tt_gmtoff;
-+#ifdef __LP64__
-+				if ((*funcp)(&newt, offset, &mytm) == NULL)
-+					return WRONG;
-+#else /* !__LP64__ */
- 				(*funcp)(&newt, offset, &mytm);
-+#endif /* __LP64__ */
- 				if (tmcomp(&mytm, &yourtm) != 0)
- 					continue;
- 				if (mytm.tm_isdst != yourtm.tm_isdst)
-@@ -1626,17 +2171,27 @@ label:
- 	if ((newt < t) != (saved_seconds < 0))
- 		return WRONG;
- 	t = newt;
-+#ifdef __LP64__
-+	if ((*funcp)(&t, offset, tmp) == NULL)
-+		return WRONG;
-+#else /* !__LP64__ */
- 	(*funcp)(&t, offset, tmp);
-+#endif /* __LP64__ */
- 	*okayp = TRUE;
- 	return t;
- }
- 
- static time_t
--time2(tmp, funcp, offset, okayp)
-+time2(tmp, funcp, offset, okayp, unix03)
- struct tm * const	tmp;
-+#ifdef __LP64__
-+struct tm *(* const	funcp)(const time_t*, long, struct tm*);
-+#else /* !__LP64__ */
- void (* const		funcp)(const time_t*, long, struct tm*);
-+#endif /* __LP64__ */
- const long		offset;
- int * const		okayp;
-+int			unix03;
- {
- 	time_t	t;
- 
-@@ -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.
- 	*/
--	t = time2sub(tmp, funcp, offset, okayp, FALSE);
--	return *okayp ? t : time2sub(tmp, funcp, offset, okayp, TRUE);
-+	t = time2sub(tmp, funcp, offset, okayp, FALSE, unix03);
-+	return *okayp ? t : time2sub(tmp, funcp, offset, okayp, TRUE, unix03);
- }
- 
--static time_t
--time1(tmp, funcp, offset)
-+__private_extern__ time_t
-+time1(tmp, funcp, offset, unix03)
- struct tm * const	tmp;
-+#ifdef __LP64__
-+struct tm *(* const	funcp)(const time_t *, long, struct tm *);
-+#else /* !__LP64__ */
- void (* const		funcp)(const time_t *, long, struct tm *);
-+#endif /* __LP64__ */
- const long		offset;
-+int			unix03;
- {
- 	time_t			t;
- 	const struct state *	sp;
-@@ -1667,7 +2227,7 @@ const long		offset;
- 
- 	if (tmp->tm_isdst > 1)
- 		tmp->tm_isdst = 1;
--	t = time2(tmp, funcp, offset, &okay);
-+	t = time2(tmp, funcp, offset, &okay, unix03);
- #ifdef PCTS
- 	/*
- 	** PCTS code courtesy Grant Sullivan (grant@osf.org).
-@@ -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;
--			t = time2(tmp, funcp, offset, &okay);
-+			t = time2(tmp, funcp, offset, &okay, unix03);
- 			if (okay)
- 				return t;
- 			tmp->tm_sec -= sp->ttis[otheri].tt_gmtoff -
-@@ -1721,19 +2281,25 @@ const long		offset;
- 	}
- 	return WRONG;
- }
-+#else  /* BUILDING_VARIANT */
-+__private_extern__ pthread_rwlock_t	lcl_rwlock;
-+#endif /* BUILDING_VARIANT */
- 
- time_t
- mktime(tmp)
- struct tm * const	tmp;
- {
- 	time_t mktime_return_value;
-+	int serrno = errno;
- 	_RWLOCK_RDLOCK(&lcl_rwlock);
- 	tzset_basic(1);
--	mktime_return_value = time1(tmp, localsub, 0L);
-+	mktime_return_value = time1(tmp, localsub, 0L, __DARWIN_UNIX03);
- 	_RWLOCK_UNLOCK(&lcl_rwlock);
-+	errno = serrno;
- 	return(mktime_return_value);
- }
- 
-+#if !BUILDING_VARIANT
- #ifdef STD_INSPIRED
- 
- time_t
-@@ -1749,7 +2315,7 @@ timegm(tmp)
- struct tm * const	tmp;
- {
- 	tmp->tm_isdst = 0;
--	return time1(tmp, gmtsub, 0L);
-+	return time1(tmp, gmtsub, 0L, __DARWIN_UNIX03);
- }
- 
- time_t
-@@ -1758,7 +2324,7 @@ struct tm * const	tmp;
- const long		offset;
- {
- 	tmp->tm_isdst = 0;
--	return time1(tmp, gmtsub, offset);
-+	return time1(tmp, gmtsub, offset, __DARWIN_UNIX03);
- }
- 
- #endif /* defined STD_INSPIRED */
-@@ -1858,3 +2424,4 @@ time_t	t;
- }
- 
- #endif /* defined STD_INSPIRED */
-+#endif /* !BUILDING_VARIANT */
+ 			if (_pthread_key_create(&gmtime_key, free) < 0) {
+ 				_pthread_mutex_unlock(&gmtime_mutex);
+ 				return(NULL);