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--- Libc/Libc-391/stdtime/FreeBSD/localtime.c.patch
+++ Libc/Libc-763.13/stdtime/FreeBSD/localtime.c.patch
@@ -1,9 +1,13 @@
---- 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 @@
+--- 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 <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"
@@ -19,7 +23,7 @@
#include "private.h"
#include "un-namespace.h"
-@@ -135,6 +147,16 @@
+@@ -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 */
@@ -36,7 +40,50 @@
/*
** Prototypes for static functions.
*/
-@@ -154,6 +176,10 @@
++#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__ */
static int increment_overflow(int * number, int delta);
static int normalize_overflow(int * tensptr, int * unitsptr,
int base);
@@ -45,23 +92,58 @@
+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,
+-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 *,
-@@ -194,8 +220,13 @@
+ 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;
#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;
-+#endif /* NOTIFY_TZ */
- static pthread_mutex_t lcl_mutex = PTHREAD_MUTEX_INITIALIZER;
+-static pthread_rwlock_t lcl_rwlock = PTHREAD_RWLOCK_INITIALIZER;
++#endif /* NOTIFY_TZ */
++__private_extern__ pthread_rwlock_t lcl_rwlock = PTHREAD_RWLOCK_INITIALIZER;
static pthread_mutex_t gmt_mutex = PTHREAD_MUTEX_INITIALIZER;
-@@ -214,15 +245,62 @@
+ char * tzname[2] = {
+@@ -229,15 +302,62 @@ char * tzname[2] = {
static struct tm tm;
@@ -126,7 +208,19 @@
static long
detzcode(codep)
const char * const codep;
-@@ -246,14 +324,14 @@
+@@ -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;
@@ -143,19 +237,85 @@
return;
}
#endif /* defined ALL_STATE */
-@@ -266,7 +344,7 @@
- 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);
++ }
+ #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 */
- #ifdef ALTZONE
- if (i == 0 || ttisp->tt_isdst)
-@@ -286,6 +364,117 @@
- }
- }
-
++#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)
@@ -193,13 +353,17 @@
+#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;
-+
+
+- tzname[ttisp->tt_isdst] =
+- &sp->chars[ttisp->tt_abbrind];
+ if (__notify_78945668_info__ < 0)
+ return;
+ /*----------------------------------------------------------------
@@ -262,15 +426,14 @@
+#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)
- const char * name;
-@@ -295,6 +484,9 @@
+@@ -310,6 +582,9 @@ struct state * const sp;
int i;
int fid;
@@ -280,7 +443,7 @@
/* XXX The following is from OpenBSD, and I'm not sure it is correct */
if (name != NULL && issetugid() != 0)
if ((name[0] == ':' && name[1] == '/') ||
-@@ -312,7 +504,15 @@
+@@ -327,7 +602,15 @@ struct state * const sp;
** to hold the longest file name string that the implementation
** guarantees can be opened."
*/
@@ -296,7 +459,7 @@
if (name[0] == ':')
++name;
-@@ -320,7 +520,11 @@
+@@ -335,7 +618,11 @@ struct state * const sp;
if (!doaccess) {
if ((p = TZDIR) == NULL)
return -1;
@@ -308,7 +471,7 @@
return -1;
(void) strcpy(fullname, p);
(void) strcat(fullname, "/");
-@@ -332,6 +536,10 @@
+@@ -347,6 +634,10 @@ struct state * const sp;
doaccess = TRUE;
name = fullname;
}
@@ -319,7 +482,7 @@
if (doaccess && access(name, R_OK) != 0)
return -1;
if ((fid = _open(name, OPEN_MODE)) == -1)
-@@ -350,6 +558,9 @@
+@@ -365,6 +656,9 @@ struct state * const sp;
int ttisstdcnt;
int ttisgmtcnt;
@@ -329,7 +492,52 @@
i = _read(fid, u.buf, sizeof u.buf);
if (_close(fid) != 0)
return -1;
-@@ -764,6 +975,9 @@
+@@ -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;
}
}
load_result = tzload(TZDEFRULES, sp);
@@ -339,27 +547,52 @@
if (load_result != 0)
sp->leapcnt = 0; /* so, we're off a little */
if (*name != '\0') {
-@@ -951,8 +1165,19 @@
+ 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;
static void
- tzsetwall_basic(void)
+ tzsetwall_basic(int rdlocked)
{
+#ifdef NOTIFY_TZ
+ notify_check_tz(&lcl_notify);
-+#endif /* NOTIFY_TZ */
-+#ifdef NOTIFY_TZ_DEBUG
-+ if (lcl_is_set < 0) {
++#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
+ NOTIFY_TZ_PRINTF("tzsetwall_basic lcl_is_set < 0\n");
-+ return;
-+ }
++#endif
+ if (!rdlocked)
+ _RWLOCK_UNLOCK(&lcl_rwlock);
+ return;
+ }
++#ifdef NOTIFY_TZ_DEBUG
+ 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
-@@ -966,12 +1191,18 @@
++#endif
+ _RWLOCK_UNLOCK(&lcl_rwlock);
+
+ _RWLOCK_WRLOCK(&lcl_rwlock);
+@@ -992,6 +1321,9 @@ tzsetwall_basic(int rdlocked)
#endif /* defined ALL_STATE */
if (tzload((char *) NULL, lclptr) != 0)
gmtload(lclptr);
@@ -367,37 +600,42 @@
+ 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);
-@@ -988,8 +1219,18 @@
+ tzsetwall_basic(0);
+ }
+
+-static void
++__private_extern__ void
+ tzset_basic(int rdlocked)
+ {
+ const char * name;
+@@ -1016,11 +1351,17 @@ tzset_basic(int rdlocked)
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) {
+ 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
+ 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 +1255,25 @@
+ }
+ _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);
@@ -412,18 +650,32 @@
+ 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);
-@@ -1049,6 +1300,9 @@
+ 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;
int i;
const time_t t = *timep;
@@ -433,48 +685,147 @@
sp = lclptr;
#ifdef ALL_STATE
if (sp == NULL) {
-@@ -1094,7 +1348,7 @@
++#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;
if (__isthreaded != 0) {
- _pthread_mutex_lock(&localtime_mutex);
- if (localtime_key < 0) {
+ if (localtime_key == (pthread_key_t)-1) {
- if (_pthread_key_create(&localtime_key, free) < 0) {
- _pthread_mutex_unlock(&localtime_mutex);
- return(NULL);
-@@ -1146,14 +1400,30 @@
+ _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;
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;
+ _MUTEX_LOCK(&gmt_mutex);
+ if (!gmt_is_set) {
#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);
-+ }
-+#endif /* NOTIFY_TZ */
- }
- _MUTEX_UNLOCK(&gmt_mutex);
+ 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);
+ }
++#ifdef __LP64__
++ if(timesub(timep, offset, gmtptr, tmp) == NULL)
++ return NULL;
++#else /* !__LP64__ */
timesub(timep, offset, gmtptr, tmp);
-@@ -1168,7 +1438,7 @@
++#endif /* __LP64__ */
+ #ifdef TM_ZONE
+ /*
+ ** Could get fancy here and deliver something such as
+@@ -1213,7 +1621,7 @@ struct tm * const tmp;
else {
#ifdef ALL_STATE
if (gmtptr == NULL)
@@ -483,12 +834,476 @@
else tmp->TM_ZONE = gmtptr->chars;
#endif /* defined ALL_STATE */
#ifndef ALL_STATE
-@@ -1188,7 +1458,7 @@
+@@ -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;
if (__isthreaded != 0) {
- _pthread_mutex_lock(&gmtime_mutex);
- if (gmtime_key < 0) {
+ if (gmtime_key == (pthread_key_t)-1) {
- if (_pthread_key_create(&gmtime_key, free) < 0) {
- _pthread_mutex_unlock(&gmtime_mutex);
- return(NULL);
+ _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 */