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--- /dev/null
+++ Libc/Libc-594.9.4/stdtime/FreeBSD/localtime.c.patch
@@ -0,0 +1,1167 @@
+--- localtime.c.orig 2008-12-15 11:41:07.000000000 -0800
++++ localtime.c 2009-01-21 15:43:59.000000000 -0800
+@@ -22,8 +22,22 @@ __FBSDID("$FreeBSD: src/lib/libc/stdtime
+ #include "namespace.h"
+ #include <sys/types.h>
+ #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"
++//#define NOTIFY_TZ_LOG "/var/log/localtime.log"
++/* force ALL_STATE if NOTIFY_TZ is set */
++#ifndef ALL_STATE
++#define ALL_STATE
++#endif /* ALL_STATE */
++#include <mach/mach_init.h>
++#include <notify.h>
++#include <alloca.h>
++#endif /* NOTIFY_TZ */
+ #include "private.h"
+ #include "un-namespace.h"
+
+@@ -135,40 +149,96 @@ 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 */
+
++#ifdef NOTIFY_TZ
++typedef struct {
++ int token;
++ int notify_was_off;
++ int is_set;
++} notify_tz_t;
++
++#define NOTIFY_TZ_NAME "com.apple.system.timezone"
++#endif /* NOTIFY_TZ */
++
+ /*
+ ** 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(void);
+
++#define lcl_mutex _st_lcl_mutex
++
++#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__ */
+ static int increment_overflow(int * number, int delta);
+ static int normalize_overflow(int * tensptr, int * unitsptr,
+ int base);
++#ifdef NOTIFY_TZ
++static void notify_check_tz(notify_tz_t *p);
++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__ */
+ 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,
+@@ -194,10 +264,15 @@ 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)
++#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;
++#endif /* NOTIFY_TZ */
++__private_extern__ pthread_mutex_t lcl_mutex = PTHREAD_MUTEX_INITIALIZER;
++static pthread_mutex_t gmt_mutex = PTHREAD_MUTEX_INITIALIZER;
+
+ char * tzname[2] = {
+ wildabbr,
+@@ -214,15 +289,62 @@ char * tzname[2] = {
+
+ static struct tm tm;
+
++#define USG_COMPAT
++#define ALTZONE
+ #ifdef USG_COMPAT
+-time_t timezone = 0;
+ int daylight = 0;
++__private_extern__ void _st_set_timezone(long);
+ #endif /* defined USG_COMPAT */
+
+ #ifdef ALTZONE
+-time_t altzone = 0;
++__private_extern__ long __darwin_altzone = 0;
++#define altzone __darwin_altzone
+ #endif /* defined ALTZONE */
+
++#ifdef NOTIFY_TZ
++#ifdef NOTIFY_TZ_DEBUG
++#ifdef NOTIFY_TZ_DEBUG_FILE
++#define NOTIFY_TZ_PRINTF(fmt, args...) \
++{ \
++ FILE *_notify_tz_fp_; \
++ if((_notify_tz_fp_ = fopen(NOTIFY_TZ_DEBUG_FILE, "a")) != NULL) { \
++ fprintf(_notify_tz_fp_, "%d: " fmt, getpid(), ## args); \
++ fclose(_notify_tz_fp_); \
++ } \
++}
++#else /* ! NOTIFY_TZ_DEBUG_FILE */
++#define NOTIFY_TZ_PRINTF(args...) fprintf(stdout, ## args)
++#endif /* NOTIFY_TZ_DEBUG_FILE */
++#endif /* NOTIFY_TZ_DEBUG */
++#ifdef NOTIFY_TZ_LOG
++#define NOTIFY_LOG(fmt, args...) \
++{ \
++ FILE *_notify_log_fp_; \
++ if((_notify_log_fp_ = fopen(NOTIFY_TZ_LOG, "a")) != NULL) { \
++ fprintf(_notify_log_fp_, "%d: " fmt, getpid(), ## args); \
++ fclose(_notify_log_fp_); \
++ } \
++}
++#endif /* NOTIFY_TZ_LOG */
++/*--------------------------------------------------------------------
++ * __notify_78945668_info__ is a global variable (defined in Libnotify)
++ * that can be used to disable the notify mechanism. Set to a negative
++ * value to disable. It can then be set back to zero to re-enable.
++ *-------------------------------------------------------------------- */
++extern int __notify_78945668_info__;
++
++/*--------------------------------------------------------------------
++ * fullname is used to pass the actual path of the timezone file to the
++ * notify routines. If it is a nil string, that means no timezone file
++ * is being used.
++ *-------------------------------------------------------------------- */
++static char * fullname = NULL;
++
++static notify_tz_t gmt_notify = {-1, 0, 0};
++static notify_tz_t lcl_notify = {-1, 0, 0};
++static char notify_tz_name[] = NOTIFY_TZ_NAME;
++#endif /* NOTIFY_TZ */
++
+ static long
+ detzcode(codep)
+ const char * const codep;
+@@ -246,14 +368,14 @@ settzname(void)
+ tzname[1] = wildabbr;
+ #ifdef USG_COMPAT
+ daylight = 0;
+- timezone = 0;
++ _st_set_timezone(0);
+ #endif /* defined USG_COMPAT */
+ #ifdef ALTZONE
+ altzone = 0;
+ #endif /* defined ALTZONE */
+ #ifdef ALL_STATE
+ if (sp == NULL) {
+- tzname[0] = tzname[1] = gmt;
++ tzname[0] = tzname[1] = (char *)gmt;
+ return;
+ }
+ #endif /* defined ALL_STATE */
+@@ -266,7 +388,7 @@ settzname(void)
+ if (ttisp->tt_isdst)
+ daylight = 1;
+ if (i == 0 || !ttisp->tt_isdst)
+- timezone = -(ttisp->tt_gmtoff);
++ _st_set_timezone(-(ttisp->tt_gmtoff));
+ #endif /* defined USG_COMPAT */
+ #ifdef ALTZONE
+ if (i == 0 || ttisp->tt_isdst)
+@@ -286,6 +408,119 @@ settzname(void)
+ }
+ }
+
++#ifdef NOTIFY_TZ
++static void
++notify_check_tz(notify_tz_t *p)
++{
++ unsigned int nstat;
++ int ncheck;
++
++ if (__notify_78945668_info__ < 0) {
++#ifdef NOTIFY_TZ_DEBUG
++ if(!p->notify_was_off) NOTIFY_TZ_PRINTF("notify_check_tz: setting %s_notify->notify_was_off\n", (p == &lcl_notify ? "lcl" : "gmt"));
++#endif /* NOTIFY_TZ_DEBUG */
++ p->notify_was_off = 1;
++ return;
++ }
++ /* force rereading the timezone file if notify was off */
++ if (p->notify_was_off) {
++#ifdef NOTIFY_TZ_DEBUG
++ NOTIFY_TZ_PRINTF("notify_check_tz: saw %s_notify->notify_was_off\n", (p == &lcl_notify ? "lcl" : "gmt"));
++#endif /* NOTIFY_TZ_DEBUG */
++ p->is_set = 0;
++ p->notify_was_off = 0;
++ return;
++ }
++ if (p->token < 0)
++ return;
++ nstat = notify_check(p->token, &ncheck);
++ if (nstat || ncheck) {
++ p->is_set = 0;
++#ifdef NOTIFY_TZ_DEBUG
++ NOTIFY_TZ_PRINTF("notify_check_tz: %s changed\n", (p == &lcl_notify) ? "lcl" : "gmt");
++#endif /* NOTIFY_TZ_DEBUG */
++ }
++#ifdef NOTIFY_TZ_DEBUG
++ 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)
++{
++ char *name;
++ unsigned int nstat;
++ int ncheck;
++
++ if (__notify_78945668_info__ < 0)
++ return;
++ /*----------------------------------------------------------------
++ * Since we don't record the last time zone filename, just cancel
++ * (which should remove the file monitor) and setup from scratch
++ *----------------------------------------------------------------*/
++ if (p->token >= 0)
++ notify_cancel(p->token);
++ if (!file || *file == 0) {
++ /* no time zone file to monitor */
++ p->token = -1;
++ return;
++ }
++ /*----------------------------------------------------------------
++ * Just use com.apple.system.timezone if the path is /etc/localtime.
++ * Otherwise use com.apple.system.timezone.<fullpath>
++ *----------------------------------------------------------------*/
++ if (TZDEFAULT && strcmp(file, TZDEFAULT) == 0)
++ name = notify_tz_name;
++ else {
++ name = alloca(sizeof(notify_tz_name) + strlen(file) + 1);
++ if (name == NULL) {
++ p->token = -1;
++ return;
++ }
++ strcpy(name, notify_tz_name);
++ strcat(name, ".");
++ strcat(name, file);
++ }
++#ifdef NOTIFY_TZ_DEBUG
++ NOTIFY_TZ_PRINTF("notify_register_tz: file=%s name=%s\n", file, name);
++#endif /* NOTIFY_TZ_DEBUG */
++ nstat = notify_register_check(name, &p->token);
++ if (nstat != 0) {
++ p->token = -1;
++ p->is_set = 0;
++#ifdef NOTIFY_TZ_DEBUG
++ NOTIFY_TZ_PRINTF("***notify_register_tz: notify_register_check failed: %u\n", nstat);
++#endif /* NOTIFY_TZ_DEBUG */
++#ifdef NOTIFY_TZ_LOG
++ NOTIFY_LOG("notify_register_check(%s) failed: %u\n", name, nstat);
++#endif /* NOTIFY_TZ_LOG */
++ return;
++ }
++ /* don't need to request monitoring /etc/localtime */
++ if (name != notify_tz_name) {
++#ifdef NOTIFY_TZ_DEBUG
++ NOTIFY_TZ_PRINTF("notify_register_tz: monitor %s\n", file);
++#endif /* NOTIFY_TZ_DEBUG */
++ nstat = notify_monitor_file(p->token, file, 0);
++ if (nstat != 0) {
++ notify_cancel(p->token);
++ p->token = -1;
++ p->is_set = 0;
++#ifdef NOTIFY_TZ_DEBUG
++ NOTIFY_TZ_PRINTF("***notify_register_tz: notify_monitor_file failed: %u\n", nstat);
++#endif /* NOTIFY_TZ_DEBUG */
++#ifdef NOTIFY_TZ_LOG
++ NOTIFY_LOG("notify_monitor_file(%s) failed: %u\n", file, nstat);
++#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;
+ int i;
+ int fid;
+
++#ifdef NOTIFY_TZ_DEBUG
++ NOTIFY_TZ_PRINTF("tzload: name=%s\n", name);
++#endif /* NOTIFY_TZ_DEBUG */
+ /* 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;
+ ** to hold the longest file name string that the implementation
+ ** guarantees can be opened."
+ */
++#ifdef NOTIFY_TZ
++ if (!fullname) {
++ fullname = malloc(FILENAME_MAX + 1);
++ if (!fullname)
++ return -1;
++ }
++#else /* ! NOTIFY_TZ */
+ char fullname[FILENAME_MAX + 1];
++#endif /* NOTIFY_TZ */
+
+ if (name[0] == ':')
+ ++name;
+@@ -320,7 +566,11 @@ struct state * const sp;
+ if (!doaccess) {
+ if ((p = TZDIR) == NULL)
+ return -1;
++#ifdef NOTIFY_TZ
++ if ((strlen(p) + 1 + strlen(name) + 1) >= (FILENAME_MAX + 1))
++#else /* ! NOTIFY_TZ */
+ if ((strlen(p) + 1 + strlen(name) + 1) >= sizeof fullname)
++#endif /* NOTIFY_TZ */
+ return -1;
+ (void) strcpy(fullname, p);
+ (void) strcat(fullname, "/");
+@@ -332,6 +582,10 @@ struct state * const sp;
+ doaccess = TRUE;
+ name = fullname;
+ }
++#ifdef NOTIFY_TZ
++ else
++ strcpy(fullname, name);
++#endif /* NOTIFY_TZ */
+ if (doaccess && access(name, R_OK) != 0)
+ return -1;
+ if ((fid = _open(name, OPEN_MODE)) == -1)
+@@ -350,6 +604,9 @@ struct state * const sp;
+ int ttisstdcnt;
+ int ttisgmtcnt;
+
++#ifdef NOTIFY_TZ_DEBUG
++ NOTIFY_TZ_PRINTF("tzload: reading %s\n", name);
++#endif /* NOTIFY_TZ_DEBUG */
+ i = _read(fid, u.buf, sizeof u.buf);
+ if (_close(fid) != 0)
+ return -1;
+@@ -456,14 +713,24 @@ 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;
+ }
+
+@@ -743,16 +1010,15 @@ 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')
+@@ -764,12 +1030,14 @@ const int lastditch;
+ }
+ }
+ load_result = tzload(TZDEFRULES, sp);
++#ifdef NOTIFY_TZ
++ *fullname = 0; /* mark fullname as invalid */
++#endif /* NOTIFY_TZ */
+ 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 != ';') {
+@@ -951,8 +1219,19 @@ struct state * const sp;
+ static void
+ tzsetwall_basic(void)
+ {
++#ifdef NOTIFY_TZ
++ notify_check_tz(&lcl_notify);
++#endif /* NOTIFY_TZ */
++#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)
+ return;
++#endif /* NOTIFY_TZ_DEBUG */
+ lcl_is_set = -1;
+
+ #ifdef ALL_STATE
+@@ -966,18 +1245,24 @@ tzsetwall_basic(void)
+ #endif /* defined ALL_STATE */
+ if (tzload((char *) NULL, lclptr) != 0)
+ gmtload(lclptr);
++#ifdef NOTIFY_TZ
++ notify_register_tz(fullname, &lcl_notify);
++#endif /* NOTIFY_TZ */
+ settzname();
+ }
+
+ 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);
+ }
+
+-static void
++__private_extern__ void
+ tzset_basic(void)
+ {
+ const char * name;
+@@ -988,8 +1273,18 @@ tzset_basic(void)
+ return;
+ }
+
++#ifdef NOTIFY_TZ
++ notify_check_tz(&lcl_notify);
++#endif /* NOTIFY_TZ */
++#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)
+ 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)
+ lclptr->ttis[0].tt_gmtoff = 0;
+ lclptr->ttis[0].tt_abbrind = 0;
+ (void) strcpy(lclptr->chars, gmt);
++#ifdef NOTIFY_TZ
++ if (fullname)
++ *fullname = 0;
++#endif /* NOTIFY_TZ */
+ } else if (tzload(name, lclptr) != 0)
+ if (name[0] == ':' || tzparse(name, lclptr, FALSE) != 0)
+ (void) gmtload(lclptr);
++#ifdef NOTIFY_TZ
++ notify_register_tz(fullname, &lcl_notify);
++#endif /* NOTIFY_TZ */
+ settzname();
+ }
+
+ 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)
+ */
+
+ /*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;
+@@ -1049,11 +1358,18 @@ struct tm * const tmp;
+ int i;
+ const time_t t = *timep;
+
++#ifdef NOTIFY_TZ_DEBUG
++ NOTIFY_TZ_PRINTF("localsub called\n");
++#endif /* NOTIFY_TZ_DEBUG */
+ 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]) {
+@@ -1076,12 +1392,20 @@ 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 *
+@@ -1094,8 +1418,9 @@ const time_t * const timep;
+
+ 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(&lcl_mutex);
+ tzset_basic();
++#ifdef __LP64__
++ p_tm = localsub(timep, 0L, p_tm);
++#else /* !__LP64__ */
+ localsub(timep, 0L, p_tm);
++#endif /* __LP64__ */
+ _pthread_mutex_unlock(&lcl_mutex);
+ return(p_tm);
+ } else {
+ tzset_basic();
++#ifdef __LP64__
++ return localsub(timep, 0L, &tm);
++#else /* !__LP64__ */
+ localsub(timep, 0L, &tm);
+ return(&tm);
++#endif /* __LP64__ */
+ }
+ }
+
+@@ -1125,13 +1458,15 @@ 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)
+ {
+ _MUTEX_LOCK(&lcl_mutex);
+ tzset_basic();
++#ifdef __LP64__
++ tm = localsub(timep, 0L, tm);
++#else /* !__LP64__ */
+ localsub(timep, 0L, tm);
++#endif /* __LP64__ */
+ _MUTEX_UNLOCK(&lcl_mutex);
+ return tm;
+ }
+@@ -1140,23 +1475,48 @@ 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;
+ 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) {
+ 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
++ {
++#endif /* NOTIFY_TZ */
+ #endif /* defined ALL_STATE */
+ gmtload(gmtptr);
++#ifdef NOTIFY_TZ
++ notify_register_tz(fullname, &gmt_notify);
++ }
++#endif /* NOTIFY_TZ */
+ }
+ _MUTEX_UNLOCK(&gmt_mutex);
++#ifdef __LP64__
++ if(timesub(timep, offset, gmtptr, tmp) == NULL)
++ return NULL;
++#else /* !__LP64__ */
+ timesub(timep, offset, gmtptr, tmp);
++#endif /* __LP64__ */
+ #ifdef TM_ZONE
+ /*
+ ** Could get fancy here and deliver something such as
+@@ -1168,7 +1528,7 @@ struct tm * const tmp;
+ else {
+ #ifdef ALL_STATE
+ if (gmtptr == NULL)
+- tmp->TM_ZONE = gmt;
++ tmp->TM_ZONE = (char *)gmt;
+ else tmp->TM_ZONE = gmtptr->chars;
+ #endif /* defined ALL_STATE */
+ #ifndef ALL_STATE
+@@ -1176,6 +1536,9 @@ struct tm * const tmp;
+ #endif /* State Farm */
+ }
+ #endif /* defined TM_ZONE */
++#ifdef __LP64__
++ return tmp;
++#endif /* __LP64__ */
+ }
+
+ struct tm *
+@@ -1186,10 +1549,12 @@ const time_t * const timep;
+ static pthread_key_t gmtime_key = -1;
+ 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_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__ */
+ }
+ }
+
+@@ -1224,8 +1597,13 @@ 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
+@@ -1235,13 +1613,21 @@ 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;
+@@ -1330,7 +1716,16 @@ 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))
+@@ -1340,6 +1735,9 @@ struct tm * const tmp;
+ #ifdef TM_GMTOFF
+ tmp->TM_GMTOFF = offset;
+ #endif /* defined TM_GMTOFF */
++#ifdef __LP64__
++ return tmp;
++#endif /* __LP64__ */
+ }
+
+ char *
+@@ -1352,7 +1750,20 @@ 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 *
+@@ -1362,7 +1773,18 @@ 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__ */
+ }
+
+ /*
+@@ -1427,12 +1849,17 @@ 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;
+@@ -1442,6 +1869,9 @@ 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;
+@@ -1460,33 +1890,64 @@ 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;
+@@ -1513,7 +1974,13 @@ 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.
+@@ -1527,8 +1994,19 @@ 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;
+@@ -1539,6 +2017,9 @@ 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;
+ /*
+@@ -1547,7 +2028,6 @@ 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;
+@@ -1560,7 +2040,12 @@ 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)
+@@ -1579,17 +2064,27 @@ 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;
+
+@@ -1598,15 +2093,20 @@ 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;
+@@ -1620,7 +2120,7 @@ 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).
+@@ -1664,7 +2164,7 @@ 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 -
+@@ -1674,19 +2174,25 @@ const long offset;
+ }
+ return WRONG;
+ }
++#else /* BUILDING_VARIANT */
++__private_extern__ pthread_mutex_t lcl_mutex;
++#endif /* BUILDING_VARIANT */
+
+ time_t
+ mktime(tmp)
+ struct tm * const tmp;
+ {
+ time_t mktime_return_value;
++ int serrno = errno;
+ _MUTEX_LOCK(&lcl_mutex);
+ tzset_basic();
+- mktime_return_value = time1(tmp, localsub, 0L);
++ mktime_return_value = time1(tmp, localsub, 0L, __DARWIN_UNIX03);
+ _MUTEX_UNLOCK(&lcl_mutex);
++ errno = serrno;
+ return(mktime_return_value);
+ }
+
++#if !BUILDING_VARIANT
+ #ifdef STD_INSPIRED
+
+ time_t
+@@ -1702,7 +2208,7 @@ timegm(tmp)
+ struct tm * const tmp;
+ {
+ tmp->tm_isdst = 0;
+- return time1(tmp, gmtsub, 0L);
++ return time1(tmp, gmtsub, 0L, __DARWIN_UNIX03);
+ }
+
+ time_t
+@@ -1711,7 +2217,7 @@ 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 */
+@@ -1811,3 +2317,4 @@ time_t t;
+ }
+
+ #endif /* defined STD_INSPIRED */
++#endif /* !BUILDING_VARIANT */