[PATCH 1/3 v3] Cygwin: tzcode resync: basics

Mark Geisert mark@maxrnd.com
Fri May 22 09:32:51 GMT 2020


Modifies winsup/cygwin/Makefile.in to build localtime.o from items in
new winsup/cygwin/tzcode subdirectory.  Compiler option "-fpermissive"
is used to accept warnings about missing casts on the return values of
malloc() calls.  This patch also removes existing localtime.cc and
tz_posixrules.h from winsup/cygwin as they are superseded by the
subsequent patches in this set.

---
 winsup/cygwin/Makefile.in     |   15 +-
 winsup/cygwin/localtime.cc    | 2597 ---------------------------------
 winsup/cygwin/tz_posixrules.h |   48 -
 3 files changed, 12 insertions(+), 2648 deletions(-)
 delete mode 100644 winsup/cygwin/localtime.cc
 delete mode 100644 winsup/cygwin/tz_posixrules.h

diff --git a/winsup/cygwin/Makefile.in b/winsup/cygwin/Makefile.in
index f273ba793..2ac8bcbd8 100644
--- a/winsup/cygwin/Makefile.in
+++ b/winsup/cygwin/Makefile.in
@@ -27,7 +27,7 @@ export CCWRAP_HEADERS:=. ${srcdir}
 export CCWRAP_SYSTEM_HEADERS:=@cygwin_headers@ @newlib_headers@
 export CCWRAP_DIRAFTER_HEADERS:=@windows_headers@
 
-VPATH+=$(srcdir)/regex $(srcdir)/lib $(srcdir)/libc $(srcdir)/math
+VPATH+=$(srcdir)/regex $(srcdir)/lib $(srcdir)/libc $(srcdir)/math $(srcdir)/tzcode
 
 target_cpu:=@target_cpu@
 target_alias:=@target_alias@
@@ -246,6 +246,15 @@ MATH_OFILES:= \
 	tgammal.o \
 	truncl.o
 
+TZCODE_OFILES:=localtime.o
+
+localtime.o: $(srcdir)/tzcode/localtime.cc $(srcdir)/tzcode/localtime.c.patch
+	(cd $(srcdir)/tzcode && \
+		patch -u -o localtime.c.patched localtime.c localtime.c.patch)
+	$(CXX) ${CXXFLAGS} ${localtime_CFLAGS} \
+		-I$(target_builddir)/winsup/cygwin \
+		-I$(srcdir) -I$(srcdir)/tzcode -c -o $@ $<
+
 DLL_OFILES:= \
 	advapi32.o \
 	aio.o \
@@ -333,7 +342,6 @@ DLL_OFILES:= \
 	ldap.o \
 	libstdcxx_wrapper.o \
 	loadavg.o \
-	localtime.o \
 	lsearch.o \
 	malloc_wrapper.o \
 	minires-os-if.o \
@@ -412,6 +420,7 @@ DLL_OFILES:= \
 	$(EXTRA_OFILES) \
 	$(MALLOC_OFILES) \
 	$(MATH_OFILES) \
+	$(TZCODE_OFILES) \
 	$(MT_SAFE_OBJECTS)
 
 EXCLUDE_STATIC_OFILES:=$(addprefix --exclude=,\
@@ -559,7 +568,7 @@ TARGET_LIBS:=$(LIB_NAME) $(CYGWIN_START) $(GMON_START) $(LIBGMON_A) $(SUBLIBS) $
 
 ifneq "${filter -O%,$(CFLAGS)}" ""
 dtable_CFLAGS:=-fcheck-new
-localtime_CFLAGS:=-fwrapv
+localtime_CFLAGS:=-fwrapv -fpermissive
 malloc_CFLAGS:=-O3
 sync_CFLAGS:=-O3
 ifeq ($(target_cpu),i686)
diff --git a/winsup/cygwin/localtime.cc b/winsup/cygwin/localtime.cc
deleted file mode 100644
index 010376637..000000000
--- a/winsup/cygwin/localtime.cc
+++ /dev/null
@@ -1,2597 +0,0 @@
-/*	$NetBSD: localtime.c,v 1.72 2012/10/28 19:02:29 christos Exp $	*/
-
-/* Don't reformat the code arbitrarily.
-
-   It uses in wide parts the exact formatting as the upstream NetBSD
-   versions.  The purpose is to simplify subsequent diffs to the NetBSD
-   version, should the need arise again at one point. */
-
-/*
-** This file is in the public domain, so clarified as of
-** 1996-06-05 by Arthur David Olson.
-*/
-/* Temporarily merged private.h and tzfile.h for ease of management - DJ */
-
-#include "winsup.h"
-#include "cygerrno.h"
-#include "sync.h"
-#include <ctype.h>
-#define STD_INSPIRED
-#define lint
-
-#define USG_COMPAT
-
-#ifndef lint
-#ifndef NOID
-static char	elsieid[] = "@(#)localtime.c	8.17";
-#endif /* !defined NOID */
-#endif /* !defined lint */
-
-/*
-** Leap second handling from Bradley White.
-** POSIX-style TZ environment variable handling from Guy Harris.
-*/
-
-#define NO_ERROR_IN_DST_GAP
-
-/*LINTLIBRARY*/
-
-#ifndef PRIVATE_H
-
-#define PRIVATE_H
-
-/*
-** This file is in the public domain, so clarified as of
-** 1996-06-05 by Arthur David Olson
-*/
-
-/*
-** This header is for use ONLY with the time conversion code.
-** There is no guarantee that it will remain unchanged,
-** or that it will remain at all.
-** Do NOT copy it to any system include directory.
-** Thank you!
-*/
-
-/*
-** ID
-*/
-
-#ifndef lint
-#ifndef NOID
-static char	privatehid[] = "@(#)private.h	7.48";
-#endif /* !defined NOID */
-#endif /* !defined lint */
-
-/*
-** Nested includes
-*/
-
-#include "stdio.h"
-#include "limits.h"	/* for CHAR_BIT */
-#include "stdlib.h"
-#include "unistd.h"	/* for F_OK and R_OK */
-
-/* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX.  */
-#define is_digit(c) ((unsigned)(c) - '0' <= 9)
-
-#ifndef __pure
-#if 2 < __GNUC__ || (__GNUC__ == 2 && 96 <= __GNUC_MINOR__)
-# define __pure __attribute__ ((__pure__))
-#else
-# define __pure /* empty */
-#endif
-#endif
-
-/*
-** Finally, some convenience items.
-*/
-
-#ifndef TYPE_INTEGRAL
-#define TYPE_INTEGRAL(type) (/*CONSTCOND*/((type) 0.5) != 0.5)
-#endif /* !defined TYPE_INTEGRAL */
-
-#ifndef TYPE_BIT
-#define TYPE_BIT(type)	(sizeof (type) * CHAR_BIT)
-#endif /* !defined TYPE_BIT */
-
-#ifndef TYPE_SIGNED
-#define TYPE_SIGNED(type) (((type) -1) < 0)
-#endif /* !defined TYPE_SIGNED */
-
-#ifndef INT_STRLEN_MAXIMUM
-/*
-** 302 / 1000 is log10(2.0) rounded up.
-** Subtract one for the sign bit if the type is signed;
-** add one for integer division truncation;
-** add one more for a minus sign if the type is signed.
-*/
-#define INT_STRLEN_MAXIMUM(type) \
-    ((TYPE_BIT(type) - TYPE_SIGNED(type)) * 302 / 1000 + 1 + TYPE_SIGNED(type))
-#endif /* !defined INT_STRLEN_MAXIMUM */
-
-/*
-** INITIALIZE(x)
-*/
-
-#ifndef GNUC_or_lint
-#ifdef lint
-#define GNUC_or_lint
-#endif /* defined lint */
-#ifndef lint
-#ifdef __GNUC__
-#define GNUC_or_lint
-#endif /* defined __GNUC__ */
-#endif /* !defined lint */
-#endif /* !defined GNUC_or_lint */
-
-#ifndef INITIALIZE
-#ifdef GNUC_or_lint
-#define INITIALIZE(x)	((x) = 0)
-#endif /* defined GNUC_or_lint */
-#ifndef GNUC_or_lint
-#define INITIALIZE(x)
-#endif /* !defined GNUC_or_lint */
-#endif /* !defined INITIALIZE */
-
-#ifndef TZ_DOMAIN
-#define TZ_DOMAIN "tz"
-#endif /* !defined TZ_DOMAIN */
-
-#ifndef YEARSPERREPEAT
-#define YEARSPERREPEAT	  400     /* years before a Gregorian repeat */
-#endif /* !defined YEARSPERREPEAT */
-
-/*
-** The Gregorian year averages 365.2425 days, which is 31556952 seconds.
-*/
-
-#ifndef AVGSECSPERYEAR
-#define AVGSECSPERYEAR	  31556952L
-#endif /* !defined AVGSECSPERYEAR */
-
-#ifndef SECSPERREPEAT
-#define SECSPERREPEAT	   ((int_fast64_t) YEARSPERREPEAT * (int_fast64_t) AVGSECSPERYEAR)
-#endif /* !defined SECSPERREPEAT */
-
-#ifndef SECSPERREPEAT_BITS
-#define SECSPERREPEAT_BITS      34      /* ceil(log2(SECSPERREPEAT)) */
-#endif /* !defined SECSPERREPEAT_BITS */
-
-/*
-** UNIX was a registered trademark of UNIX System Laboratories in 1993.
-*/
-
-#endif /* !defined PRIVATE_H */
-
-#ifndef TZFILE_H
-
-#define TZFILE_H
-
-/*
-** This file is in the public domain, so clarified as of
-** 1996-06-05 by Arthur David Olson.
-*/
-
-/*
-** This header is for use ONLY with the time conversion code.
-** There is no guarantee that it will remain unchanged,
-** or that it will remain at all.
-** Do NOT copy it to any system include directory.
-** Thank you!
-*/
-
-/*
-** ID
-*/
-
-#ifndef lint
-#ifndef NOID
-static char	tzfilehid[] = "@(#)tzfile.h	7.14";
-#endif /* !defined NOID */
-#endif /* !defined lint */
-
-/*
-** Information about time zone files.
-*/
-
-#ifndef TZDIR
-#define TZDIR	"/usr/share/zoneinfo" /* Time zone object file directory */
-#endif /* !defined TZDIR */
-
-#ifndef TZDEFAULT
-#define TZDEFAULT	"localtime"
-#endif /* !defined TZDEFAULT */
-
-#ifndef TZDEFRULES
-#define TZDEFRULES	"posixrules"
-#endif /* !defined TZDEFRULES */
-
-/*
-** Each file begins with. . .
-*/
-
-#define	TZ_MAGIC	"TZif"
-
-struct tzhead {
-	char	tzh_magic[4];		/* TZ_MAGIC */
-	char	tzh_version[1];		/* '\0' or '2' as of 2005 */
-	char	tzh_reserved[15];	/* reserved for future use */
-	char	tzh_ttisgmtcnt[4];	/* coded number of trans. time flags */
-	char	tzh_ttisstdcnt[4];	/* coded number of trans. time flags */
-	char	tzh_leapcnt[4];		/* coded number of leap seconds */
-	char	tzh_timecnt[4];		/* coded number of transition times */
-	char	tzh_typecnt[4];		/* coded number of local time types */
-	char	tzh_charcnt[4];		/* coded number of abbr. chars */
-};
-
-/*
-** . . .followed by. . .
-**
-**	tzh_timecnt (char [4])s		coded transition times a la time(2)
-**	tzh_timecnt (unsigned char)s	types of local time starting at above
-**	tzh_typecnt repetitions of
-**		one (char [4])		coded UTC offset in seconds
-**		one (unsigned char)	used to set tm_isdst
-**		one (unsigned char)	that's an abbreviation list index
-**	tzh_charcnt (char)s		'\0'-terminated zone abbreviations
-**	tzh_leapcnt repetitions of
-**		one (char [4])		coded leap second transition times
-**		one (char [4])		total correction after above
-**	tzh_ttisstdcnt (char)s		indexed by type; if TRUE, transition
-**					time is standard time, if FALSE,
-**					transition time is wall clock time
-**					if absent, transition times are
-**					assumed to be wall clock time
-**	tzh_ttisgmtcnt (char)s		indexed by type; if TRUE, transition
-**					time is UTC, if FALSE,
-**					transition time is local time
-**					if absent, transition times are
-**					assumed to be local time
-*/
-
-/*
-** If tzh_version is '2' or greater, the above is followed by a second instance
-** of tzhead and a second instance of the data in which each coded transition
-** time uses 8 rather than 4 chars,
-** then a POSIX-TZ-environment-variable-style string for use in handling
-** instants after the last transition time stored in the file
-** (with nothing between the newlines if there is no POSIX representation for
-** such instants).
-*/
-
-/*
-** In the current implementation, "tzset()" refuses to deal with files that
-** exceed any of the limits below.
-*/
-
-#ifndef TZ_MAX_TIMES
-/*
-** The TZ_MAX_TIMES value below is enough to handle a bit more than a
-** year's worth of solar time (corrected daily to the nearest second) or
-** 138 years of Pacific Presidential Election time
-** (where there are three time zone transitions every fourth year).
-*/
-#define TZ_MAX_TIMES	1200
-#endif /* !defined TZ_MAX_TIMES */
-
-#ifndef TZ_MAX_TYPES
-#ifndef NOSOLAR
-#define TZ_MAX_TYPES	256 /* Limited by what (unsigned char)'s can hold */
-#endif /* !defined NOSOLAR */
-#ifdef NOSOLAR
-/*
-** Must be at least 14 for Europe/Riga as of Jan 12 1995,
-** as noted by Earl Chew.
-*/
-#define TZ_MAX_TYPES	20	/* Maximum number of local time types */
-#endif /* !defined NOSOLAR */
-#endif /* !defined TZ_MAX_TYPES */
-
-#ifndef TZ_MAX_CHARS
-#define TZ_MAX_CHARS	50	/* Maximum number of abbreviation characters */
-				/* (limited by what unsigned chars can hold) */
-#endif /* !defined TZ_MAX_CHARS */
-
-#ifndef TZ_MAX_LEAPS
-#define TZ_MAX_LEAPS	50	/* Maximum number of leap second corrections */
-#endif /* !defined TZ_MAX_LEAPS */
-
-#define SECSPERMIN	60
-#define MINSPERHOUR	60
-#define HOURSPERDAY	24
-#define DAYSPERWEEK	7
-#define DAYSPERNYEAR	365
-#define DAYSPERLYEAR	366
-#define SECSPERHOUR	(SECSPERMIN * MINSPERHOUR)
-#define SECSPERDAY	((long) SECSPERHOUR * HOURSPERDAY)
-#define MONSPERYEAR	12
-
-#define TM_SUNDAY	0
-#define TM_MONDAY	1
-#define TM_TUESDAY	2
-#define TM_WEDNESDAY	3
-#define TM_THURSDAY	4
-#define TM_FRIDAY	5
-#define TM_SATURDAY	6
-
-#define TM_JANUARY	0
-#define TM_FEBRUARY	1
-#define TM_MARCH	2
-#define TM_APRIL	3
-#define TM_MAY		4
-#define TM_JUNE		5
-#define TM_JULY		6
-#define TM_AUGUST	7
-#define TM_SEPTEMBER	8
-#define TM_OCTOBER	9
-#define TM_NOVEMBER	10
-#define TM_DECEMBER	11
-
-#define TM_YEAR_BASE	1900
-
-#define EPOCH_YEAR	1970
-#define EPOCH_WDAY	TM_THURSDAY
-
-/*
-** Accurate only for the past couple of centuries;
-** that will probably do.
-*/
-
-#define isleap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0))
-
-#endif /* !defined TZFILE_H */
-
-#include "fcntl.h"
-
-#ifdef __TM_GMTOFF
-# define TM_GMTOFF __TM_GMTOFF
-#endif
-#ifdef __TM_ZONE
-# define TM_ZONE __TM_ZONE
-#endif
-
-/*
-** SunOS 4.1.1 headers lack O_BINARY.
-*/
-
-#ifdef O_BINARY
-#define OPEN_MODE	(O_RDONLY | O_BINARY)
-#endif /* defined O_BINARY */
-#ifndef O_BINARY
-#define OPEN_MODE	O_RDONLY
-#endif /* !defined O_BINARY */
-
-#ifndef WILDABBR
-/*
-** Someone might make incorrect use of a time zone abbreviation:
-**	1.	They might reference tzname[0] before calling tzset (explicitly
-**		or implicitly).
-**	2.	They might reference tzname[1] before calling tzset (explicitly
-**		or implicitly).
-**	3.	They might reference tzname[1] after setting to a time zone
-**		in which Daylight Saving Time is never observed.
-**	4.	They might reference tzname[0] after setting to a time zone
-**		in which Standard Time is never observed.
-**	5.	They might reference tm.TM_ZONE after calling offtime.
-** What's best to do in the above cases is open to debate;
-** for now, we just set things up so that in any of the five cases
-** WILDABBR is used. Another possibility: initialize tzname[0] to the
-** string "tzname[0] used before set", and similarly for the other cases.
-** And another: initialize tzname[0] to "ERA", with an explanation in the
-** manual page of what this "time zone abbreviation" means (doing this so
-** that tzname[0] has the "normal" length of three characters).
-*/
-#define WILDABBR	"   "
-#endif /* !defined WILDABBR */
-
-static const char	wildabbr[] = WILDABBR;
-
-static const char	gmt[] = "GMT";
-
-/*
-** The DST rules to use if TZ has no rules and we can't load TZDEFRULES.
-** We default to US rules as of 1999-08-17.
-** POSIX 1003.1 section 8.1.1 says that the default DST rules are
-** implementation dependent; for historical reasons, US rules are a
-** common default.
-*/
-#ifndef TZDEFRULESTRING
-#define TZDEFRULESTRING ",M4.1.0,M10.5.0"
-#endif /* !defined TZDEFDST */
-
-struct ttinfo {				/* time type information */
-	long		tt_gmtoff;	/* UTC offset in seconds */
-	int		tt_isdst;	/* used to set tm_isdst */
-	int		tt_abbrind;	/* abbreviation list index */
-	int		tt_ttisstd;	/* TRUE if transition is std time */
-	int		tt_ttisgmt;	/* TRUE if transition is UTC */
-};
-
-struct lsinfo {				/* leap second information */
-	time_t		ls_trans;	/* transition time */
-	long		ls_corr;	/* correction to apply */
-};
-
-#define BIGGEST(a, b)	(((a) > (b)) ? (a) : (b))
-
-#ifdef TZNAME_MAX
-#define MY_TZNAME_MAX	TZNAME_MAX
-#endif /* defined TZNAME_MAX */
-#ifndef TZNAME_MAX
-#define MY_TZNAME_MAX	255
-#endif /* !defined TZNAME_MAX */
-
-struct __state {
-	int		leapcnt;
-	int		timecnt;
-	int		typecnt;
-	int		charcnt;
-	int		goback;
-	int		goahead;
-	time_t		ats[TZ_MAX_TIMES];
-	unsigned char	types[TZ_MAX_TIMES];
-	struct ttinfo	ttis[TZ_MAX_TYPES];
-	char		chars[/*CONSTCOND*/BIGGEST(BIGGEST(TZ_MAX_CHARS + 1,
-				sizeof gmt), (2 * (MY_TZNAME_MAX + 1)))];
-	struct lsinfo	lsis[TZ_MAX_LEAPS];
-};
-
-typedef struct __state *timezone_t;
-
-struct rule {
-	int		r_type;		/* type of rule--see below */
-	int		r_day;		/* day number of rule */
-	int		r_week;		/* week number of rule */
-	int		r_mon;		/* month number of rule */
-	long		r_time;		/* transition time of rule */
-};
-
-#define JULIAN_DAY		0	/* Jn - Julian day */
-#define DAY_OF_YEAR		1	/* n - day of year */
-#define MONTH_NTH_DAY_OF_WEEK	2	/* Mm.n.d - month, week, day of week */
-
-typedef struct tm *(*subfun_t)(const timezone_t sp, const time_t *timep,
-			       long offset, struct tm *tmp);
-
-/*
-** Prototypes for static functions.
-*/
-
-static long		detzcode(const char * codep);
-static time_t		detzcode64(const char * codep);
-static int		differ_by_repeat(time_t t1, time_t t0);
-static const char *	getzname(const char * strp) __pure;
-static const char *	getqzname(const char * strp, const int delim) __pure;
-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(timezone_t sp);
-static struct tm *	gmtsub(const timezone_t sp, const time_t *timep,
-				long offset, struct tm * tmp);
-static struct tm *	localsub(const timezone_t sp, const time_t *timep,
-				long offset, struct tm *tmp);
-static int		increment_overflow(int * number, int delta);
-static int		leaps_thru_end_of(int y) __pure;
-static int		long_increment_overflow(long * number, int delta);
-static int		long_normalize_overflow(long * tensptr,
-				int * unitsptr, int base);
-static int		normalize_overflow(int * tensptr, int * unitsptr,
-				int base);
-static void		settzname(void);
-static time_t		time1(const timezone_t sp, struct tm * const tmp,
-				subfun_t funcp, const long offset);
-static time_t		time2(const timezone_t sp, struct tm * const tmp,
-				subfun_t funcp,
-				const long offset, int *const okayp);
-static time_t		time2sub(const timezone_t sp, struct tm * const tmp,
-				subfun_t funcp, const long offset,
-				int *const okayp, const int do_norm_secs);
-static struct tm *	timesub(const timezone_t sp, const time_t * timep,
-				long offset, struct tm * tmp);
-static int		tmcomp(const struct tm * atmp,
-				const struct tm * btmp);
-static time_t		transtime(time_t janfirst, int year,
-				const struct rule * rulep, long offset) __pure;
-static int		typesequiv(const timezone_t sp, int a, int b);
-static int		tzload(timezone_t sp, const char * name,
-				int doextend);
-static int		tzparse(timezone_t sp, const char * name,
-				int lastditch);
-#ifdef __CYGWIN__
-extern "C" void		tzset_unlocked(void);
-#else
-static void		tzset_unlocked(void);
-#endif
-static long		leapcorr(const timezone_t sp, time_t * timep);
-
-static timezone_t lclptr;
-static timezone_t gmtptr;
-
-#ifndef TZ_STRLEN_MAX
-#define TZ_STRLEN_MAX 255
-#endif /* !defined TZ_STRLEN_MAX */
-
-static char		lcl_TZname[TZ_STRLEN_MAX + 1];
-static enum lcl_states
-{
-  lcl_setting = -1,
-  lcl_unset = 0,
-  lcl_from_environment = 1,
-  lcl_from_default = 2
-} lcl_is_set;
-static int		gmt_is_set;
-
-#define tzname _tzname
-#undef _tzname
-
-char *	tzname[2] = {
-	(char *) wildabbr,
-	(char *) wildabbr
-};
-
-/*
-** Section 4.12.3 of X3.159-1989 requires that
-**	Except for the strftime function, these functions [asctime,
-**	ctime, gmtime, localtime] return values in one of two static
-**	objects: a broken-down time structure and an array of char.
-** Thanks to Paul Eggert for noting this.
-*/
-
-static struct tm	tm;
-
-/* These variables are initialized by tzset.  The macro versions are
-   defined in time.h, and indirect through the __imp_ pointers.  */
-
-#define timezone _timezone
-#define daylight _daylight
-#undef _timezone
-#undef _daylight
-
-#ifdef USG_COMPAT
-long			timezone = 0;
-int			daylight;
-#endif /* defined USG_COMPAT */
-
-#ifdef ALTZONE
-time_t			altzone = 0;
-#endif /* defined ALTZONE */
-
-static long
-detzcode(const char *const codep)
-{
-	long	result;
-	int	i;
-
-	result = (codep[0] & 0x80) ? ~0L : 0;
-	for (i = 0; i < 4; ++i)
-		result = (result << 8) | (codep[i] & 0xff);
-	return result;
-}
-
-static time_t
-detzcode64(const char *const codep)
-{
-	time_t	result;
-	int	i;
-
-	result = (time_t)((codep[0] & 0x80) ? (~(int_fast64_t) 0) : 0);
-	for (i = 0; i < 8; ++i)
-		result = result * 256 + (codep[i] & 0xff);
-	return result;
-}
-
-static void
-settzname (void)
-{
-	timezone_t const	sp = lclptr;
-	int			i;
-
-	tzname[0] = (char *) wildabbr;
-	tzname[1] = (char *) wildabbr;
-#ifdef USG_COMPAT
-	daylight = 0;
-	timezone = 0;
-#endif /* defined USG_COMPAT */
-#ifdef ALTZONE
-	altzone = 0;
-#endif /* defined ALTZONE */
-	if (sp == NULL) {
-		tzname[0] = tzname[1] = (char *) gmt;
-		return;
-	}
-	for (i = 0; i < sp->typecnt; ++i) {
-		const struct ttinfo * const	ttisp = &sp->ttis[i];
-
-		tzname[ttisp->tt_isdst] =
-			&sp->chars[ttisp->tt_abbrind];
-#ifdef USG_COMPAT
-		if (ttisp->tt_isdst)
-			daylight = 1;
-		if (!ttisp->tt_isdst)
-			timezone = -(ttisp->tt_gmtoff);
-#endif /* defined USG_COMPAT */
-#ifdef ALTZONE
-		if (ttisp->tt_isdst)
-			altzone = -(ttisp->tt_gmtoff);
-#endif /* defined ALTZONE */
-	}
-	/*
-	** 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]];
-
-		tzname[ttisp->tt_isdst] =
-			&sp->chars[ttisp->tt_abbrind];
-	}
-}
-
-#include "tz_posixrules.h"
-
-static int
-differ_by_repeat(const time_t t1, const time_t t0)
-{
-	if (TYPE_INTEGRAL(time_t) &&
-		TYPE_BIT(time_t) - TYPE_SIGNED(time_t) < SECSPERREPEAT_BITS)
-			return 0;
-	return (int_fast64_t)t1 - (int_fast64_t)t0 == SECSPERREPEAT;
-}
-
-static int
-tzload(timezone_t sp, const char *name, const int doextend)
-{
-	const char *		p;
-	int			i;
-	int			fid;
-	int			stored;
-	ssize_t			nread;
-	typedef union {
-		struct tzhead	tzhead;
-		char		buf[2 * sizeof(struct tzhead) +
-					2 * sizeof *sp +
-					4 * TZ_MAX_TIMES];
-	} u_t;
-	u_t *			up;
-	save_errno		save;
-
-	up = (u_t *) calloc(1, sizeof *up);
-	if (up == NULL)
-		return -1;
-
-	sp->goback = sp->goahead = FALSE;
-	if (name == NULL && (name = TZDEFAULT) == NULL)
-		goto oops;
-	{
-		int	doaccess;
-		/*
-		** Section 4.9.1 of the C standard says that
-		** "FILENAME_MAX expands to an integral constant expression
-		** that is the size needed for an array of char large enough
-		** to hold the longest file name string that the implementation
-		** guarantees can be opened."
-		*/
-		char		fullname[FILENAME_MAX + 1];
-
-		if (name[0] == ':')
-			++name;
-		doaccess = name[0] == '/';
-		if (!doaccess) {
-			if ((p = TZDIR) == NULL)
-				goto oops;
-			if ((strlen(p) + strlen(name) + 1) >= sizeof fullname)
-				goto oops;
-			(void) strcpy(fullname, p);	/* XXX strcpy is safe */
-			(void) strcat(fullname, "/");	/* XXX strcat is safe */
-			(void) strcat(fullname, name);	/* XXX strcat is safe */
-			/*
-			** Set doaccess if '.' (as in "../") shows up in name.
-			*/
-			if (strchr(name, '.') != NULL)
-				doaccess = TRUE;
-			name = fullname;
-		}
-		if ((doaccess && access(name, R_OK) != 0)
-		    || (fid = open(name, OPEN_MODE)) == -1)
-		  {
-		    const char *base = strrchr(name, '/');
-		    if (base)
-		      base++;
-		    else
-		      base = name;
-		    if (strcmp(base, "posixrules"))
-		      goto oops;
-
-		    /* We've got a built-in copy of posixrules just in case */
-		    fid = -2;
-		  }
-	}
-	if (fid == -2)
-	  {
-	    memcpy(up->buf, _posixrules_data, sizeof (_posixrules_data));
-	    nread = sizeof (_posixrules_data);
-	  }
-	else
-	  {
-	    nread = read(fid, up->buf, sizeof up->buf);
-	    if (close(fid) < 0 || nread <= 0)
-	      goto oops;
-	  }
-	for (stored = 4; stored <= 8; stored *= 2) {
-		int		ttisstdcnt;
-		int		ttisgmtcnt;
-
-		ttisstdcnt = (int) detzcode(up->tzhead.tzh_ttisstdcnt);
-		ttisgmtcnt = (int) detzcode(up->tzhead.tzh_ttisgmtcnt);
-		sp->leapcnt = (int) detzcode(up->tzhead.tzh_leapcnt);
-		sp->timecnt = (int) detzcode(up->tzhead.tzh_timecnt);
-		sp->typecnt = (int) detzcode(up->tzhead.tzh_typecnt);
-		sp->charcnt = (int) detzcode(up->tzhead.tzh_charcnt);
-		p = up->tzhead.tzh_charcnt + sizeof up->tzhead.tzh_charcnt;
-		if (sp->leapcnt < 0 || sp->leapcnt > TZ_MAX_LEAPS ||
-			sp->typecnt <= 0 || sp->typecnt > TZ_MAX_TYPES ||
-			sp->timecnt < 0 || sp->timecnt > TZ_MAX_TIMES ||
-			sp->charcnt < 0 || sp->charcnt > TZ_MAX_CHARS ||
-			(ttisstdcnt != sp->typecnt && ttisstdcnt != 0) ||
-			(ttisgmtcnt != sp->typecnt && ttisgmtcnt != 0))
-				goto oops;
-		if (nread - (p - up->buf) <
-			sp->timecnt * stored +		/* ats */
-			sp->timecnt +			/* types */
-			sp->typecnt * 6 +		/* ttinfos */
-			sp->charcnt +			/* chars */
-			sp->leapcnt * (stored + 4) +	/* lsinfos */
-			ttisstdcnt +			/* ttisstds */
-			ttisgmtcnt)			/* ttisgmts */
-				goto oops;
-		for (i = 0; i < sp->timecnt; ++i) {
-			sp->ats[i] = (time_t)((stored == 4) ?
-				detzcode(p) : detzcode64(p));
-			p += stored;
-		}
-		for (i = 0; i < sp->timecnt; ++i) {
-			sp->types[i] = (unsigned char) *p++;
-			if (sp->types[i] >= sp->typecnt)
-				goto oops;
-		}
-		for (i = 0; i < sp->typecnt; ++i) {
-			struct ttinfo *	ttisp;
-
-			ttisp = &sp->ttis[i];
-			ttisp->tt_gmtoff = detzcode(p);
-			p += 4;
-			ttisp->tt_isdst = (unsigned char) *p++;
-			if (ttisp->tt_isdst != 0 && ttisp->tt_isdst != 1)
-				goto oops;
-			ttisp->tt_abbrind = (unsigned char) *p++;
-			if (ttisp->tt_abbrind < 0 ||
-				ttisp->tt_abbrind > sp->charcnt)
-					goto oops;
-		}
-		for (i = 0; i < sp->charcnt; ++i)
-			sp->chars[i] = *p++;
-		sp->chars[i] = '\0';	/* ensure '\0' at end */
-		for (i = 0; i < sp->leapcnt; ++i) {
-			struct lsinfo *	lsisp;
-
-			lsisp = &sp->lsis[i];
-			lsisp->ls_trans = (time_t)((stored == 4) ?
-			    detzcode(p) : detzcode64(p));
-			p += stored;
-			lsisp->ls_corr = detzcode(p);
-			p += 4;
-		}
-		for (i = 0; i < sp->typecnt; ++i) {
-			struct ttinfo *	ttisp;
-
-			ttisp = &sp->ttis[i];
-			if (ttisstdcnt == 0)
-				ttisp->tt_ttisstd = FALSE;
-			else {
-				ttisp->tt_ttisstd = *p++;
-				if (ttisp->tt_ttisstd != TRUE &&
-					ttisp->tt_ttisstd != FALSE)
-						goto oops;
-			}
-		}
-		for (i = 0; i < sp->typecnt; ++i) {
-			struct ttinfo *	ttisp;
-
-			ttisp = &sp->ttis[i];
-			if (ttisgmtcnt == 0)
-				ttisp->tt_ttisgmt = FALSE;
-			else {
-				ttisp->tt_ttisgmt = *p++;
-				if (ttisp->tt_ttisgmt != TRUE &&
-					ttisp->tt_ttisgmt != FALSE)
-						goto oops;
-			}
-		}
-		/*
-		** Out-of-sort ats should mean we're running on a
-		** signed time_t system but using a data file with
-		** unsigned values (or vice versa).
-		*/
-		for (i = 0; i < sp->timecnt - 2; ++i)
-			if (sp->ats[i] > sp->ats[i + 1]) {
-				++i;
-				if (TYPE_SIGNED(time_t)) {
-					/*
-					** Ignore the end (easy).
-					*/
-					sp->timecnt = i;
-				} else {
-					/*
-					** Ignore the beginning (harder).
-					*/
-					int	j;
-
-					for (j = 0; j + i < sp->timecnt; ++j) {
-						sp->ats[j] = sp->ats[j + i];
-						sp->types[j] = sp->types[j + i];
-					}
-					sp->timecnt = j;
-				}
-				break;
-			}
-		/*
-		** If this is an old file, we're done.
-		*/
-		if (up->tzhead.tzh_version[0] == '\0')
-			break;
-		nread -= p - up->buf;
-		for (i = 0; i < nread; ++i)
-			up->buf[i] = p[i];
-		/*
-		** If this is a narrow integer time_t system, we're done.
-		*/
-		if (stored >= (int) sizeof(time_t)
-/* CONSTCOND */
-				&& TYPE_INTEGRAL(time_t))
-			break;
-	}
-	if (doextend && nread > 2 &&
-		up->buf[0] == '\n' && up->buf[nread - 1] == '\n' &&
-		sp->typecnt + 2 <= TZ_MAX_TYPES) {
-			struct __state ts;
-			int	result;
-
-			up->buf[nread - 1] = '\0';
-			result = tzparse(&ts, &up->buf[1], FALSE);
-			if (result == 0 && ts.typecnt == 2 &&
-				sp->charcnt + ts.charcnt <= TZ_MAX_CHARS) {
-					for (i = 0; i < 2; ++i)
-						ts.ttis[i].tt_abbrind +=
-							sp->charcnt;
-					for (i = 0; i < ts.charcnt; ++i)
-						sp->chars[sp->charcnt++] =
-							ts.chars[i];
-					i = 0;
-					while (i < ts.timecnt &&
-						ts.ats[i] <=
-						sp->ats[sp->timecnt - 1])
-							++i;
-					while (i < ts.timecnt &&
-					    sp->timecnt < TZ_MAX_TIMES) {
-						sp->ats[sp->timecnt] =
-							ts.ats[i];
-						sp->types[sp->timecnt] =
-							sp->typecnt +
-							ts.types[i];
-						++sp->timecnt;
-						++i;
-					}
-					sp->ttis[sp->typecnt++] = ts.ttis[0];
-					sp->ttis[sp->typecnt++] = ts.ttis[1];
-			}
-	}
-	if (sp->timecnt > 1) {
-		for (i = 1; i < sp->timecnt; ++i)
-			if (typesequiv(sp, sp->types[i], sp->types[0]) &&
-				differ_by_repeat(sp->ats[i], sp->ats[0])) {
-					sp->goback = TRUE;
-					break;
-				}
-		for (i = sp->timecnt - 2; i >= 0; --i)
-			if (typesequiv(sp, sp->types[sp->timecnt - 1],
-				sp->types[i]) &&
-				differ_by_repeat(sp->ats[sp->timecnt - 1],
-				sp->ats[i])) {
-					sp->goahead = TRUE;
-					break;
-		}
-	}
-	free(up);
-	/*
-	** Get latest zone offsets into tzinfo (for newlib). . .
-	*/
-	if (sp == lclptr)
-	  {
-	    for (i = 0; i < sp->timecnt; ++i)
-	      {
-		const struct ttinfo *const ttisp = &sp->ttis[sp->types[i]];
-
-		__gettzinfo ()->__tzrule[ttisp->tt_isdst].offset
-				    = -ttisp->tt_gmtoff;
-	      }
-	  }
-	return 0;
-oops:
-	free(up);
-	return -1;
-}
-
-static int
-typesequiv(const timezone_t sp, const int a, const int b)
-{
-	int	result;
-
-	if (sp == NULL ||
-		a < 0 || a >= sp->typecnt ||
-		b < 0 || b >= sp->typecnt)
-			result = FALSE;
-	else {
-		const struct ttinfo *	ap = &sp->ttis[a];
-		const struct ttinfo *	bp = &sp->ttis[b];
-		result = ap->tt_gmtoff == bp->tt_gmtoff &&
-			ap->tt_isdst == bp->tt_isdst &&
-			ap->tt_ttisstd == bp->tt_ttisstd &&
-			ap->tt_ttisgmt == bp->tt_ttisgmt &&
-			strcmp(&sp->chars[ap->tt_abbrind],
-			&sp->chars[bp->tt_abbrind]) == 0;
-	}
-	return result;
-}
-
-static const int	mon_lengths[2][MONSPERYEAR] = {
-	{ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
-	{ 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
-};
-
-static const int	year_lengths[2] = {
-	DAYSPERNYEAR, DAYSPERLYEAR
-};
-
-/*
-** Given a pointer into a time zone string, scan until a character that is not
-** a valid character in a zone name is found. Return a pointer to that
-** character.
-*/
-
-static const char *
-getzname(const char *strp)
-{
-	char	c;
-
-	while ((c = *strp) != '\0' && !is_digit(c) && c != ',' && c != '-' &&
-		c != '+')
-			++strp;
-	return strp;
-}
-
-/*
-** Given a pointer into an extended time zone string, scan until the ending
-** delimiter of the zone name is located. Return a pointer to the delimiter.
-**
-** As with getzname above, the legal character set is actually quite
-** restricted, with other characters producing undefined results.
-** We don't do any checking here; checking is done later in common-case code.
-*/
-
-static const char *
-getqzname(const char *strp, const int delim)
-{
-	int	c;
-
-	while ((c = *strp) != '\0' && c != delim)
-		++strp;
-	return strp;
-}
-
-/*
-** Given a pointer into a time zone string, extract a number from that string.
-** Check that the number is within a specified range; if it is not, return
-** NULL.
-** Otherwise, return a pointer to the first character not part of the number.
-*/
-
-static const char *
-getnum(const char *strp, int *const nump, const int min, const int max)
-{
-	char	c;
-	int	num;
-
-	if (strp == NULL || !is_digit(c = *strp)) {
-		errno = EINVAL;
-		return NULL;
-	}
-	num = 0;
-	do {
-		num = num * 10 + (c - '0');
-		if (num > max) {
-			errno = EOVERFLOW;
-			return NULL;	/* illegal value */
-		}
-		c = *++strp;
-	} while (is_digit(c));
-	if (num < min) {
-		errno = EINVAL;
-		return NULL;		/* illegal value */
-	}
-	*nump = num;
-	return strp;
-}
-
-/*
-** Given a pointer into a time zone string, extract a number of seconds,
-** in hh[:mm[:ss]] form, from the string.
-** If any error occurs, return NULL.
-** Otherwise, return a pointer to the first character not part of the number
-** of seconds.
-*/
-
-static const char *
-getsecs(const char *strp, long *const secsp)
-{
-	int	num;
-
-	/*
-	** `HOURSPERDAY * DAYSPERWEEK - 1' allows quasi-Posix rules like
-	** "M10.4.6/26", which does not conform to Posix,
-	** but which specifies the equivalent of
-	** ``02:00 on the first Sunday on or after 23 Oct''.
-	*/
-	strp = getnum(strp, &num, 0, HOURSPERDAY * DAYSPERWEEK - 1);
-	if (strp == NULL)
-		return NULL;
-	*secsp = num * (long) SECSPERHOUR;
-	if (*strp == ':') {
-		++strp;
-		strp = getnum(strp, &num, 0, MINSPERHOUR - 1);
-		if (strp == NULL)
-			return NULL;
-		*secsp += num * SECSPERMIN;
-		if (*strp == ':') {
-			++strp;
-			/* `SECSPERMIN' allows for leap seconds. */
-			strp = getnum(strp, &num, 0, SECSPERMIN);
-			if (strp == NULL)
-				return NULL;
-			*secsp += num;
-		}
-	}
-	return strp;
-}
-
-/*
-** Given a pointer into a time zone string, extract an offset, in
-** [+-]hh[:mm[:ss]] form, from the string.
-** If any error occurs, return NULL.
-** Otherwise, return a pointer to the first character not part of the time.
-*/
-
-static const char *
-getoffset(const char *strp, long *const offsetp)
-{
-	int	neg = 0;
-
-	if (*strp == '-') {
-		neg = 1;
-		++strp;
-	} else if (*strp == '+')
-		++strp;
-	strp = getsecs(strp, offsetp);
-	if (strp == NULL)
-		return NULL;		/* illegal time */
-	if (neg)
-		*offsetp = -*offsetp;
-	return strp;
-}
-
-/*
-** Given a pointer into a time zone string, extract a rule in the form
-** date[/time]. See POSIX section 8 for the format of "date" and "time".
-** If a valid rule is not found, return NULL.
-** Otherwise, return a pointer to the first character not part of the rule.
-*/
-
-static const char *
-getrule(const char *strp, struct rule *const rulep)
-{
-	if (*strp == 'J') {
-		/*
-		** Julian day.
-		*/
-		rulep->r_type = JULIAN_DAY;
-		++strp;
-		strp = getnum(strp, &rulep->r_day, 1, DAYSPERNYEAR);
-	} else if (*strp == 'M') {
-		/*
-		** Month, week, day.
-		*/
-		rulep->r_type = MONTH_NTH_DAY_OF_WEEK;
-		++strp;
-		strp = getnum(strp, &rulep->r_mon, 1, MONSPERYEAR);
-		if (strp == NULL)
-			return NULL;
-		if (*strp++ != '.')
-			return NULL;
-		strp = getnum(strp, &rulep->r_week, 1, 5);
-		if (strp == NULL)
-			return NULL;
-		if (*strp++ != '.')
-			return NULL;
-		strp = getnum(strp, &rulep->r_day, 0, DAYSPERWEEK - 1);
-	} else if (is_digit(*strp)) {
-		/*
-		** Day of year.
-		*/
-		rulep->r_type = DAY_OF_YEAR;
-		strp = getnum(strp, &rulep->r_day, 0, DAYSPERLYEAR - 1);
-	} else	return NULL;		/* invalid format */
-	if (strp == NULL)
-		return NULL;
-	if (*strp == '/') {
-		/*
-		** Time specified.
-		*/
-		++strp;
-		strp = getsecs(strp, &rulep->r_time);
-	} else	rulep->r_time = 2 * SECSPERHOUR;	/* default = 2:00:00 */
-	return strp;
-}
-
-/*
-** Given the Epoch-relative time of January 1, 00:00:00 UTC, in a year, the
-** year, a rule, and the offset from UTC at the time that rule takes effect,
-** calculate the Epoch-relative time that rule takes effect.
-*/
-
-static time_t
-transtime(const time_t janfirst, const int year, const struct rule *const rulep,
-    const long offset)
-{
-	int	leapyear;
-	time_t	value;
-	int	i;
-	int		d, m1, yy0, yy1, yy2, dow;
-
-	INITIALIZE(value);
-	leapyear = isleap(year);
-	switch (rulep->r_type) {
-
-	case JULIAN_DAY:
-		/*
-		** Jn - Julian day, 1 == January 1, 60 == March 1 even in leap
-		** years.
-		** In non-leap years, or if the day number is 59 or less, just
-		** add SECSPERDAY times the day number-1 to the time of
-		** January 1, midnight, to get the day.
-		*/
-		value = (time_t)(janfirst + (rulep->r_day - 1) * SECSPERDAY);
-		if (leapyear && rulep->r_day >= 60)
-			value += SECSPERDAY;
-		break;
-
-	case DAY_OF_YEAR:
-		/*
-		** n - day of year.
-		** Just add SECSPERDAY times the day number to the time of
-		** January 1, midnight, to get the day.
-		*/
-		value = (time_t)(janfirst + rulep->r_day * SECSPERDAY);
-		break;
-
-	case MONTH_NTH_DAY_OF_WEEK:
-		/*
-		** Mm.n.d - nth "dth day" of month m.
-		*/
-		value = janfirst;
-		for (i = 0; i < rulep->r_mon - 1; ++i)
-			value += (time_t)(mon_lengths[leapyear][i] * SECSPERDAY);
-
-		/*
-		** Use Zeller's Congruence to get day-of-week of first day of
-		** month.
-		*/
-		m1 = (rulep->r_mon + 9) % 12 + 1;
-		yy0 = (rulep->r_mon <= 2) ? (year - 1) : year;
-		yy1 = yy0 / 100;
-		yy2 = yy0 % 100;
-		dow = ((26 * m1 - 2) / 10 +
-			1 + yy2 + yy2 / 4 + yy1 / 4 - 2 * yy1) % 7;
-		if (dow < 0)
-			dow += DAYSPERWEEK;
-
-		/*
-		** "dow" is the day-of-week of the first day of the month. Get
-		** the day-of-month (zero-origin) of the first "dow" day of the
-		** month.
-		*/
-		d = rulep->r_day - dow;
-		if (d < 0)
-			d += DAYSPERWEEK;
-		for (i = 1; i < rulep->r_week; ++i) {
-			if (d + DAYSPERWEEK >=
-				mon_lengths[leapyear][rulep->r_mon - 1])
-					break;
-			d += DAYSPERWEEK;
-		}
-
-		/*
-		** "d" is the day-of-month (zero-origin) of the day we want.
-		*/
-		value += (time_t)(d * SECSPERDAY);
-		break;
-	}
-
-	/*
-	** "value" is the Epoch-relative time of 00:00:00 UTC on the day in
-	** question. To get the Epoch-relative time of the specified local
-	** time on that day, add the transition time and the current offset
-	** from UTC.
-	*/
-	return (time_t)(value + rulep->r_time + offset);
-}
-
-/*
-** Given a POSIX section 8-style TZ string, fill in the rule tables as
-** appropriate.
-*/
-
-static int
-tzparse(timezone_t sp, const char *name, const int lastditch)
-{
-	const char *			stdname;
-	const char *			dstname;
-	size_t				stdlen;
-	size_t				dstlen;
-	long				stdoffset;
-	long				dstoffset;
-	time_t *		atp;
-	unsigned char *	typep;
-	char *			cp;
-	int			load_result;
-
-	INITIALIZE(dstname);
-	stdname = name;
-	if (lastditch) {
-		stdlen = strlen(name);	/* length of standard zone name */
-		name += stdlen;
-		if (stdlen >= sizeof sp->chars)
-			stdlen = (sizeof sp->chars) - 1;
-		stdoffset = 0;
-	} else {
-		if (*name == '<') {
-			name++;
-			stdname = name;
-			name = getqzname(name, '>');
-			if (*name != '>')
-				return (-1);
-			stdlen = name - stdname;
-			name++;
-		} else {
-			name = getzname(name);
-			stdlen = name - stdname;
-		}
-		if (*name == '\0')
-			return -1;
-		name = getoffset(name, &stdoffset);
-		if (name == NULL)
-			return -1;
-	}
-	load_result = tzload(sp, TZDEFRULES, FALSE);
-	if (load_result != 0)
-		sp->leapcnt = 0;		/* so, we're off a little */
-	if (*name != '\0') {
-		if (*name == '<') {
-			dstname = ++name;
-			name = getqzname(name, '>');
-			if (*name != '>')
-				return -1;
-			dstlen = name - dstname;
-			name++;
-		} else {
-			dstname = name;
-			name = getzname(name);
-			dstlen = name - dstname; /* length of DST zone name */
-		}
-		if (*name != '\0' && *name != ',' && *name != ';') {
-			name = getoffset(name, &dstoffset);
-			if (name == NULL)
-				return -1;
-		} else	dstoffset = stdoffset - SECSPERHOUR;
-		if (*name == '\0' && load_result != 0)
-			name = TZDEFRULESTRING;
-		if (*name == ',' || *name == ';') {
-			struct rule	start;
-			struct rule	end;
-			int	year;
-			time_t	janfirst;
-			time_t		starttime;
-			time_t		endtime;
-
-			++name;
-			if ((name = getrule(name, &start)) == NULL)
-				return -1;
-			if (*name++ != ',')
-				return -1;
-			if ((name = getrule(name, &end)) == NULL)
-				return -1;
-			if (*name != '\0')
-				return -1;
-			sp->typecnt = 2;	/* standard time and DST */
-			/*
-			** Two transitions per year, from EPOCH_YEAR forward.
-			*/
-			memset(sp->ttis, 0, sizeof(sp->ttis));
-			sp->ttis[0].tt_gmtoff = -dstoffset;
-			sp->ttis[0].tt_isdst = 1;
-			sp->ttis[0].tt_abbrind = (int)(stdlen + 1);
-			sp->ttis[1].tt_gmtoff = -stdoffset;
-			sp->ttis[1].tt_isdst = 0;
-			sp->ttis[1].tt_abbrind = 0;
-			atp = sp->ats;
-			typep = sp->types;
-			janfirst = 0;
-			sp->timecnt = 0;
-			for (year = EPOCH_YEAR;
-			    sp->timecnt + 2 <= TZ_MAX_TIMES;
-			    ++year) {
-				time_t	newfirst;
-
-				starttime = transtime(janfirst, year, &start,
-					stdoffset);
-				endtime = transtime(janfirst, year, &end,
-					dstoffset);
-				if (starttime > endtime) {
-					*atp++ = endtime;
-					*typep++ = 1;	/* DST ends */
-					*atp++ = starttime;
-					*typep++ = 0;	/* DST begins */
-				} else {
-					*atp++ = starttime;
-					*typep++ = 0;	/* DST begins */
-					*atp++ = endtime;
-					*typep++ = 1;	/* DST ends */
-				}
-				sp->timecnt += 2;
-				newfirst = janfirst;
-				newfirst += (time_t)
-				    (year_lengths[isleap(year)] * SECSPERDAY);
-				if (newfirst <= janfirst)
-					break;
-				janfirst = newfirst;
-			}
-			/*
-			** Get zone offsets into tzinfo (for newlib). . .
-			*/
-			if (sp == lclptr)
-			  {
-			    __gettzinfo ()->__tzrule[0].offset
-						    = -sp->ttis[1].tt_gmtoff;
-			    __gettzinfo ()->__tzrule[1].offset
-						    = -sp->ttis[0].tt_gmtoff;
-			  }
-		} else {
-			long	theirstdoffset;
-			long	theirdstoffset;
-			long	theiroffset;
-			int	isdst;
-			int	i;
-			int	j;
-
-			if (*name != '\0')
-				return -1;
-			/*
-			** Initial values of theirstdoffset and theirdstoffset.
-			*/
-			theirstdoffset = 0;
-			for (i = 0; i < sp->timecnt; ++i) {
-				j = sp->types[i];
-				if (!sp->ttis[j].tt_isdst) {
-					theirstdoffset =
-						-sp->ttis[j].tt_gmtoff;
-					break;
-				}
-			}
-			theirdstoffset = 0;
-			for (i = 0; i < sp->timecnt; ++i) {
-				j = sp->types[i];
-				if (sp->ttis[j].tt_isdst) {
-					theirdstoffset =
-						-sp->ttis[j].tt_gmtoff;
-					break;
-				}
-			}
-			/*
-			** Initially we're assumed to be in standard time.
-			*/
-			isdst = FALSE;
-			theiroffset = theirstdoffset;
-			/*
-			** Now juggle transition times and types
-			** tracking offsets as you do.
-			*/
-			for (i = 0; i < sp->timecnt; ++i) {
-				j = sp->types[i];
-				sp->types[i] = sp->ttis[j].tt_isdst;
-				if (sp->ttis[j].tt_ttisgmt) {
-					/* No adjustment to transition time */
-				} else {
-					/*
-					** If summer time is in effect, and the
-					** transition time was not specified as
-					** standard time, add the summer time
-					** offset to the transition time;
-					** otherwise, add the standard time
-					** offset to the transition time.
-					*/
-					/*
-					** Transitions from DST to DDST
-					** will effectively disappear since
-					** POSIX provides for only one DST
-					** offset.
-					*/
-					if (isdst && !sp->ttis[j].tt_ttisstd) {
-						sp->ats[i] += (time_t)
-						    (dstoffset - theirdstoffset);
-					} else {
-						sp->ats[i] += (time_t)
-						    (stdoffset - theirstdoffset);
-					}
-				}
-				theiroffset = -sp->ttis[j].tt_gmtoff;
-				if (!sp->ttis[j].tt_isdst)
-					theirstdoffset = theiroffset;
-				else	theirdstoffset = theiroffset;
-			}
-			/*
-			** Finally, fill in ttis.
-			** ttisstd and ttisgmt need not be handled
-			*/
-			memset(sp->ttis, 0, sizeof(sp->ttis));
-			sp->ttis[0].tt_gmtoff = -stdoffset;
-			sp->ttis[0].tt_isdst = FALSE;
-			sp->ttis[0].tt_abbrind = 0;
-			sp->ttis[1].tt_gmtoff = -dstoffset;
-			sp->ttis[1].tt_isdst = TRUE;
-			sp->ttis[1].tt_abbrind = (int)(stdlen + 1);
-			sp->typecnt = 2;
-			/*
-			** Get zone offsets into tzinfo (for newlib). . .
-			*/
-			if (sp == lclptr)
-			  {
-			    __gettzinfo ()->__tzrule[0].offset
-						    = -sp->ttis[0].tt_gmtoff;
-			    __gettzinfo ()->__tzrule[1].offset
-						    = -sp->ttis[1].tt_gmtoff;
-			  }
-		}
-	} else {
-		dstlen = 0;
-		sp->typecnt = 1;		/* only standard time */
-		sp->timecnt = 0;
-		memset(sp->ttis, 0, sizeof(sp->ttis));
-		sp->ttis[0].tt_gmtoff = -stdoffset;
-		sp->ttis[0].tt_isdst = 0;
-		sp->ttis[0].tt_abbrind = 0;
-		/*
-		** Get zone offsets into tzinfo (for newlib). . .
-		*/
-		if (sp == lclptr)
-		  {
-		    __gettzinfo ()->__tzrule[0].offset = -sp->ttis[0].tt_gmtoff;
-		    __gettzinfo ()->__tzrule[1].offset = -sp->ttis[0].tt_gmtoff;
-		  }
-	}
-	sp->charcnt = (int)(stdlen + 1);
-	if (dstlen != 0)
-		sp->charcnt += (int)(dstlen + 1);
-	if ((size_t) sp->charcnt > sizeof sp->chars)
-		return -1;
-	cp = sp->chars;
-	(void) strncpy(cp, stdname, stdlen);
-	cp += stdlen;
-	*cp++ = '\0';
-	if (dstlen != 0) {
-		(void) strncpy(cp, dstname, dstlen);
-		*(cp + dstlen) = '\0';
-	}
-	return 0;
-}
-
-static void
-gmtload(timezone_t sp)
-{
-	if (tzload(sp, gmt, TRUE) != 0)
-		(void) tzparse(sp, gmt, TRUE);
-}
-
-#ifndef STD_INSPIRED
-/*
-** A non-static declaration of tzsetwall in a system header file
-** may cause a warning about this upcoming static declaration...
-*/
-static
-#endif /* !defined STD_INSPIRED */
-void
-tzsetwall (void)
-{
-	if (lcl_is_set == lcl_setting)
-		return;
-	lcl_is_set = lcl_setting;
-
-	if (lclptr == NULL) {
-		save_errno save;
-		lclptr = (timezone_t) calloc(1, sizeof *lclptr);
-		if (lclptr == NULL) {
-			settzname();	/* all we can do */
-			return;
-		}
-	}
-#if defined (__CYGWIN__)
-	{
-	    TIME_ZONE_INFORMATION tz;
-	    char buf[BUFSIZ];
-	    char *cp, *dst;
-	    wchar_t *src;
-	    div_t d;
-	    GetTimeZoneInformation(&tz);
-	    dst = cp = buf;
-	    for (src = tz.StandardName; *src; src++)
-	      if (*src >= L'A' && *src <= L'Z')
-		*dst++ = *src;
-	    if ((dst - cp) < 3)
-	      {
-		/* In non-english Windows, converted tz.StandardName
-		   may not contain a valid standard timezone name. */
-		strcpy(cp, wildabbr);
-		cp += strlen(wildabbr);
-	      }
-	    else
-	      cp = dst;
-	    d = div(tz.Bias+tz.StandardBias, 60);
-	    sprintf(cp, "%d", d.quot);
-	    if (d.rem)
-		sprintf(cp=strchr(cp, 0), ":%d", abs(d.rem));
-	    if(tz.StandardDate.wMonth) {
-		cp = strchr(cp, 0);
-		dst = cp;
-		for (src = tz.DaylightName; *src; src++)
-		  if (*src >= L'A' && *src <= L'Z')
-		    *dst++ = *src;
-		if ((dst - cp) < 3)
-		  {
-		    /* In non-english Windows, converted tz.DaylightName
-		       may not contain a valid daylight timezone name. */
-		    strcpy(cp, wildabbr);
-		    cp += strlen(wildabbr);
-		  }
-		else
-		  cp = dst;
-		d = div(tz.Bias+tz.DaylightBias, 60);
-		sprintf(cp, "%d", d.quot);
-		if (d.rem)
-		    sprintf(cp=strchr(cp, 0), ":%d", abs(d.rem));
-		cp = strchr(cp, 0);
-		sprintf(cp=strchr(cp, 0), ",M%d.%d.%d/%d",
-		    tz.DaylightDate.wMonth,
-		    tz.DaylightDate.wDay,
-		    tz.DaylightDate.wDayOfWeek,
-		    tz.DaylightDate.wHour);
-		if (tz.DaylightDate.wMinute || tz.DaylightDate.wSecond)
-		    sprintf(cp=strchr(cp, 0), ":%d", tz.DaylightDate.wMinute);
-		if (tz.DaylightDate.wSecond)
-		    sprintf(cp=strchr(cp, 0), ":%d", tz.DaylightDate.wSecond);
-		cp = strchr(cp, 0);
-		sprintf(cp=strchr(cp, 0), ",M%d.%d.%d/%d",
-		    tz.StandardDate.wMonth,
-		    tz.StandardDate.wDay,
-		    tz.StandardDate.wDayOfWeek,
-		    tz.StandardDate.wHour);
-		if (tz.StandardDate.wMinute || tz.StandardDate.wSecond)
-		    sprintf(cp=strchr(cp, 0), ":%d", tz.StandardDate.wMinute);
-		if (tz.StandardDate.wSecond)
-		    sprintf(cp=strchr(cp, 0), ":%d", tz.StandardDate.wSecond);
-	    }
-	    /* printf("TZ deduced as `%s'\n", buf); */
-	    if (tzparse(lclptr, buf, FALSE) == 0) {
-		settzname();
-		lcl_is_set = lcl_from_default;
-		strlcpy(lcl_TZname, buf, sizeof (lcl_TZname));
-#if 0
-		/* Huh?  POSIX doesn't mention anywhere that tzset should
-		   set $TZ.  That's not right. */
-		setenv("TZ", lcl_TZname, 1);
-#endif
-		return;
-	    }
-	}
-#endif
-	if (tzload(lclptr, NULL, TRUE) != 0)
-		gmtload(lclptr);
-	settzname();
-}
-
-static NO_COPY muto tzset_guard;
-
-#ifdef __CYGWIN__
-extern "C"
-#else
-#ifndef STD_INSPIRED
-/*
-** A non-static declaration of tzsetwall in a system header file
-** may cause a warning about this upcoming static declaration...
-*/
-static
-#endif /* !defined STD_INSPIRED */
-#endif
-void
-tzset_unlocked(void)
-{
-	const char *	name;
-
-	name = getenv("TZ");
-	if (name == NULL) {
-		if (lcl_is_set != lcl_from_default)
-			tzsetwall();
-		return;
-	}
-
-	if (lcl_is_set > 0 && strcmp(lcl_TZname, name) == 0)
-		return;
-	lcl_is_set = (strlen(name) < sizeof (lcl_TZname)) ? lcl_from_environment : lcl_unset;
-	if (lcl_is_set != lcl_unset)
-		(void)strlcpy(lcl_TZname, name, sizeof (lcl_TZname));
-
-	if (lclptr == NULL) {
-		save_errno save;
-		lclptr = (timezone_t) calloc(1, sizeof *lclptr);
-		if (lclptr == NULL) {
-			settzname();	/* all we can do */
-			return;
-		}
-	}
-	if (*name == '\0') {
-		/*
-		** User wants it fast rather than right.
-		*/
-		lclptr->leapcnt = 0;		/* so, we're off a little */
-		lclptr->timecnt = 0;
-		lclptr->typecnt = 0;
-		lclptr->ttis[0].tt_isdst = 0;
-		lclptr->ttis[0].tt_gmtoff = 0;
-		lclptr->ttis[0].tt_abbrind = 0;
-		(void) strlcpy(lclptr->chars, gmt, sizeof(lclptr->chars));
-	} else if (tzload(lclptr, name, TRUE) != 0)
-		if (name[0] == ':' || tzparse(lclptr, name, FALSE) != 0)
-			(void) gmtload(lclptr);
-	settzname();
-}
-
-EXPORT_ALIAS (tzset_unlocked, _tzset_unlocked)
-
-extern "C" void
-tzset(void)
-{
-	tzset_guard.init ("tzset_guard")->acquire ();
-	tzset_unlocked();
-	tzset_guard.release ();
-}
-
-/*
-** The easy way to behave "as if no library function calls" localtime
-** is to not call it--so we drop its guts into "localsub", which can be
-** freely called. (And no, the PANS doesn't require the above behavior--
-** but it *is* desirable.)
-**
-** The unused offset argument is for the benefit of mktime variants.
-*/
-
-/*ARGSUSED*/
-static struct tm *
-localsub(const timezone_t sp, const time_t * const timep, const long offset,
-    struct tm *const tmp)
-{
-	const struct ttinfo *	ttisp;
-	int			i;
-	struct tm *		result;
-	const time_t			t = *timep;
-
-	if ((sp->goback && t < sp->ats[0]) ||
-		(sp->goahead && t > sp->ats[sp->timecnt - 1])) {
-			time_t			newt = t;
-			time_t		seconds;
-			time_t		tcycles;
-			int_fast64_t	icycles;
-
-			if (t < sp->ats[0])
-				seconds = sp->ats[0] - t;
-			else	seconds = t - sp->ats[sp->timecnt - 1];
-			--seconds;
-			tcycles = (time_t)
-			    (seconds / YEARSPERREPEAT / AVGSECSPERYEAR);
-			++tcycles;
-			icycles = tcycles;
-			if (tcycles - icycles >= 1 || icycles - tcycles >= 1)
-				return NULL;
-			seconds = (time_t) icycles;
-			seconds *= YEARSPERREPEAT;
-			seconds *= AVGSECSPERYEAR;
-			if (t < sp->ats[0])
-				newt += seconds;
-			else	newt -= seconds;
-			if (newt < sp->ats[0] ||
-				newt > sp->ats[sp->timecnt - 1])
-					return NULL;	/* "cannot happen" */
-			result = localsub(sp, &newt, offset, tmp);
-			if (result == tmp) {
-				time_t	newy;
-
-				newy = tmp->tm_year;
-				if (t < sp->ats[0])
-					newy -= (time_t)icycles * YEARSPERREPEAT;
-				else	newy += (time_t)icycles * YEARSPERREPEAT;
-				tmp->tm_year = (int)newy;
-				if (tmp->tm_year != newy)
-					return NULL;
-			}
-			return result;
-	}
-	if (sp->timecnt == 0 || t < sp->ats[0]) {
-		i = 0;
-		while (sp->ttis[i].tt_isdst)
-			if (++i >= sp->typecnt) {
-				i = 0;
-				break;
-			}
-	} else {
-		int	lo = 1;
-		int	hi = sp->timecnt;
-
-		while (lo < hi) {
-			int	mid = (lo + hi) / 2;
-
-			if (t < sp->ats[mid])
-				hi = mid;
-			else	lo = mid + 1;
-		}
-		i = (int) sp->types[lo - 1];
-	}
-	ttisp = &sp->ttis[i];
-	/*
-	** To get (wrong) behavior that's compatible with System V Release 2.0
-	** you'd replace the statement below with
-	**	t += ttisp->tt_gmtoff;
-	**	timesub(&t, 0L, sp, tmp);
-	*/
-	result = timesub(sp, &t, ttisp->tt_gmtoff, tmp);
-	tmp->tm_isdst = ttisp->tt_isdst;
-	if (sp == lclptr)
-		tzname[tmp->tm_isdst] = &sp->chars[ttisp->tt_abbrind];
-#ifdef TM_ZONE
-	if (CYGWIN_VERSION_CHECK_FOR_EXTRA_TM_MEMBERS)
-	  tmp->TM_ZONE = &sp->chars[ttisp->tt_abbrind];
-#endif /* defined TM_ZONE */
-	return result;
-}
-
-/*
-** Re-entrant version of localtime.
-*/
-extern "C" struct tm *
-localtime_r(const time_t *__restrict timep, struct tm *__restrict tmp)
-{
-	tzset_guard.init ("tzset_guard")->acquire ();
-	tzset_unlocked();
-	tmp = localsub(lclptr, timep, 0L, tmp);
-	tzset_guard.release ();
-	if (tmp == NULL)
-		errno = EOVERFLOW;
-	return tmp;
-}
-
-extern "C" struct tm *
-localtime(const time_t *const timep)
-{
-	return localtime_r(timep, &tm);
-}
-
-/*
-** gmtsub is to gmtime as localsub is to localtime.
-*/
-static NO_COPY muto gmt_guard;
-
-static struct tm *
-gmtsub(const timezone_t sp, const time_t *const timep, const long offset,
-    struct tm *tmp)
-{
-	struct tm *	result;
-
-	gmt_guard.init ("gmt_guard")->acquire ();
-	if (!gmt_is_set) {
-		save_errno save;
-		gmt_is_set = TRUE;
-		gmtptr = (timezone_t) calloc(1, sizeof *gmtptr);
-		if (gmtptr != NULL)
-			gmtload(gmtptr);
-	}
-	gmt_guard.release ();
-	result = timesub(gmtptr, timep, offset, tmp);
-#ifdef TM_ZONE
-	/*
-	** Could get fancy here and deliver something such as
-	** "UTC+xxxx" or "UTC-xxxx" if offset is non-zero,
-	** but this is no time for a treasure hunt.
-	*/
-	if (CYGWIN_VERSION_CHECK_FOR_EXTRA_TM_MEMBERS)
-	  {
-	    if (offset != 0)
-		    tmp->TM_ZONE = wildabbr;
-	    else {
-		    if (gmtptr == NULL)
-			    tmp->TM_ZONE = gmt;
-		    else	tmp->TM_ZONE = gmtptr->chars;
-	    }
-	  }
-#endif /* defined TM_ZONE */
-	return result;
-}
-
-extern "C" struct tm *
-gmtime(const time_t *const timep)
-{
-	struct tm *tmp = gmtsub(NULL, timep, 0L, &tm);
-
-	if (tmp == NULL)
-		errno = EOVERFLOW;
-
-	return tmp;
-}
-
-/*
-** Re-entrant version of gmtime.
-*/
-
-extern "C" struct tm *
-gmtime_r(const time_t *__restrict const timep, struct tm *__restrict tmp)
-{
-	tmp = gmtsub(NULL, timep, 0L, tmp);
-
-	if (tmp == NULL)
-		errno = EOVERFLOW;
-
-	return tmp;
-}
-
-#ifdef STD_INSPIRED
-
-extern "C" struct tm *
-offtime(const time_t *const timep, long offset)
-{
-	struct tm *tmp = gmtsub(NULL, timep, offset, &tm);
-
-	if (tmp == NULL)
-		errno = EOVERFLOW;
-
-	return tmp;
-}
-
-#endif /* defined STD_INSPIRED */
-
-/*
-** Return the number of leap years through the end of the given year
-** where, to make the math easy, the answer for year zero is defined as zero.
-*/
-
-static int
-leaps_thru_end_of(const int y)
-{
-	return (y >= 0) ? (y / 4 - y / 100 + y / 400) :
-		-(leaps_thru_end_of(-(y + 1)) + 1);
-}
-
-static struct tm *
-timesub(const timezone_t sp, const time_t *const timep, const long offset,
-    struct tm *const tmp)
-{
-	const struct lsinfo *	lp;
-	time_t			tdays;
-	int			idays;	/* unsigned would be so 2003 */
-	long			rem;
-	int			y;
-	const int *		ip;
-	long			corr;
-	int			hit;
-	int			i;
-
-	corr = 0;
-	hit = 0;
-	i = (sp == NULL) ? 0 : sp->leapcnt;
-	while (--i >= 0) {
-		lp = &sp->lsis[i];
-		if (*timep >= lp->ls_trans) {
-			if (*timep == lp->ls_trans) {
-				hit = ((i == 0 && lp->ls_corr > 0) ||
-					lp->ls_corr > sp->lsis[i - 1].ls_corr);
-				if (hit)
-					while (i > 0 &&
-						sp->lsis[i].ls_trans ==
-						sp->lsis[i - 1].ls_trans + 1 &&
-						sp->lsis[i].ls_corr ==
-						sp->lsis[i - 1].ls_corr + 1) {
-							++hit;
-							--i;
-					}
-			}
-			corr = lp->ls_corr;
-			break;
-		}
-	}
-	y = EPOCH_YEAR;
-	tdays = (time_t)(*timep / SECSPERDAY);
-	rem = (long) (*timep - tdays * SECSPERDAY);
-	while (tdays < 0 || tdays >= year_lengths[isleap(y)]) {
-		int		newy;
-		time_t	tdelta;
-		int	idelta;
-		int	leapdays;
-
-		tdelta = tdays / DAYSPERLYEAR;
-		idelta = (int) tdelta;
-		if (tdelta - idelta >= 1 || idelta - tdelta >= 1)
-			return NULL;
-		if (idelta == 0)
-			idelta = (tdays < 0) ? -1 : 1;
-		newy = y;
-		if (increment_overflow(&newy, idelta))
-			return NULL;
-		leapdays = leaps_thru_end_of(newy - 1) -
-			leaps_thru_end_of(y - 1);
-		tdays -= ((time_t) newy - y) * DAYSPERNYEAR;
-		tdays -= leapdays;
-		y = newy;
-	}
-	{
-		long	seconds;
-
-		seconds = tdays * SECSPERDAY + 0.5;
-		tdays = (time_t)(seconds / SECSPERDAY);
-		rem += (long) (seconds - tdays * SECSPERDAY);
-	}
-	/*
-	** Given the range, we can now fearlessly cast...
-	*/
-	idays = (int) tdays;
-	rem += offset - corr;
-	while (rem < 0) {
-		rem += SECSPERDAY;
-		--idays;
-	}
-	while (rem >= SECSPERDAY) {
-		rem -= SECSPERDAY;
-		++idays;
-	}
-	while (idays < 0) {
-		if (increment_overflow(&y, -1))
-			return NULL;
-		idays += year_lengths[isleap(y)];
-	}
-	while (idays >= year_lengths[isleap(y)]) {
-		idays -= year_lengths[isleap(y)];
-		if (increment_overflow(&y, 1))
-			return NULL;
-	}
-	tmp->tm_year = y;
-	if (increment_overflow(&tmp->tm_year, -TM_YEAR_BASE))
-		return NULL;
-	tmp->tm_yday = idays;
-	/*
-	** The "extra" mods below avoid overflow problems.
-	*/
-	tmp->tm_wday = EPOCH_WDAY +
-		((y - EPOCH_YEAR) % DAYSPERWEEK) *
-		(DAYSPERNYEAR % DAYSPERWEEK) +
-		leaps_thru_end_of(y - 1) -
-		leaps_thru_end_of(EPOCH_YEAR - 1) +
-		idays;
-	tmp->tm_wday %= DAYSPERWEEK;
-	if (tmp->tm_wday < 0)
-		tmp->tm_wday += DAYSPERWEEK;
-	tmp->tm_hour = (int) (rem / SECSPERHOUR);
-	rem %= SECSPERHOUR;
-	tmp->tm_min = (int) (rem / SECSPERMIN);
-	/*
-	** A positive leap second requires a special
-	** representation. This uses "... ??:59:60" et seq.
-	*/
-	tmp->tm_sec = (int) (rem % SECSPERMIN) + hit;
-	ip = mon_lengths[isleap(y)];
-	for (tmp->tm_mon = 0; idays >= ip[tmp->tm_mon]; ++(tmp->tm_mon))
-		idays -= ip[tmp->tm_mon];
-	tmp->tm_mday = (int) (idays + 1);
-	tmp->tm_isdst = 0;
-#ifdef TM_GMTOFF
-	if (CYGWIN_VERSION_CHECK_FOR_EXTRA_TM_MEMBERS)
-	  tmp->TM_GMTOFF = offset;
-#endif /* defined TM_GMTOFF */
-	return tmp;
-}
-
-extern "C" char *
-ctime(const time_t *const timep)
-{
-/*
-** Section 4.12.3.2 of X3.159-1989 requires that
-**	The ctime function converts the calendar time pointed to by timer
-**	to local time in the form of a string. It is equivalent to
-**		asctime(localtime(timer))
-*/
-	struct tm *rtm = localtime(timep);
-	if (rtm == NULL)
-		return NULL;
-	return asctime(rtm);
-}
-
-extern "C" char *
-ctime_r(const time_t *const timep, char *buf)
-{
-	struct tm	mytm, *rtm;
-
-	rtm = localtime_r(timep, &mytm);
-	if (rtm == NULL)
-		return NULL;
-	return asctime_r(rtm, buf);
-}
-
-/*
-** Adapted from code provided by Robert Elz, who writes:
-**	The "best" way to do mktime I think is based on an idea of Bob
-**	Kridle's (so its said...) from a long time ago.
-**	It does a binary search of the time_t space. Since time_t's are
-**	just 32 bits, its a max of 32 iterations (even at 64 bits it
-**	would still be very reasonable).
-*/
-
-#ifndef WRONG
-#define WRONG	((time_t)-1)
-#endif /* !defined WRONG */
-
-/*
-** Simplified normalize logic courtesy Paul Eggert.
-*/
-
-static int
-increment_overflow(int *const ip, int j)
-{
-	int	i = *ip;
-
-	/*
-	** If i >= 0 there can only be overflow if i + j > INT_MAX
-	** or if j > INT_MAX - i; given i >= 0, INT_MAX - i cannot overflow.
-	** If i < 0 there can only be overflow if i + j < INT_MIN
-	** or if j < INT_MIN - i; given i < 0, INT_MIN - i cannot overflow.
-	*/
-	if ((i >= 0) ? (j > INT_MAX - i) : (j < INT_MIN - i))
-		return TRUE;
-	*ip += j;
-	return FALSE;
-}
-
-static int
-long_increment_overflow(long *const lp, int m)
-{
-	long l = *lp;
-
-	if ((l >= 0) ? (m > LONG_MAX - l) : (m < LONG_MIN - l))
-		return TRUE;
-	*lp += m;
-	return FALSE;
-}
-
-static int
-normalize_overflow(int *const tensptr, int *const unitsptr, const int base)
-{
-	int	tensdelta;
-
-	tensdelta = (*unitsptr >= 0) ?
-		(*unitsptr / base) :
-		(-1 - (-1 - *unitsptr) / base);
-	*unitsptr -= tensdelta * base;
-	return increment_overflow(tensptr, tensdelta);
-}
-
-static int
-long_normalize_overflow(long *const tensptr, int *const unitsptr,
-    const int base)
-{
-	int	tensdelta;
-
-	tensdelta = (*unitsptr >= 0) ?
-		(*unitsptr / base) :
-		(-1 - (-1 - *unitsptr) / base);
-	*unitsptr -= tensdelta * base;
-	return long_increment_overflow(tensptr, tensdelta);
-}
-
-static int
-tmcomp(const struct tm *const atmp, const struct tm *const btmp)
-{
-	int	result;
-
-	if ((result = (atmp->tm_year - btmp->tm_year)) == 0 &&
-		(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)
-			result = atmp->tm_sec - btmp->tm_sec;
-	return result;
-}
-
-static time_t
-time2sub(const timezone_t sp, struct tm *const tmp, subfun_t funcp,
-    const long offset, int *const okayp, const int do_norm_secs)
-{
-	int			dir;
-	int			i, j;
-	int			saved_seconds;
-	long			li;
-	time_t			lo;
-	time_t			hi;
-#ifdef NO_ERROR_IN_DST_GAP
-	time_t			ilo;
-#endif
-	long				y;
-	time_t				newt;
-	time_t				t;
-	struct tm			yourtm, mytm;
-
-	*okayp = FALSE;
-	yourtm = *tmp;
-#ifdef NO_ERROR_IN_DST_GAP
-again:
-#endif
-	if (do_norm_secs) {
-		if (normalize_overflow(&yourtm.tm_min, &yourtm.tm_sec,
-		    SECSPERMIN))
-			goto overflow;
-	}
-	if (normalize_overflow(&yourtm.tm_hour, &yourtm.tm_min, MINSPERHOUR))
-		goto overflow;
-	if (normalize_overflow(&yourtm.tm_mday, &yourtm.tm_hour, HOURSPERDAY))
-		goto overflow;
-	y = yourtm.tm_year;
-	if (long_normalize_overflow(&y, &yourtm.tm_mon, MONSPERYEAR))
-		goto overflow;
-	/*
-	** Turn y into an actual year number for now.
-	** It is converted back to an offset from TM_YEAR_BASE later.
-	*/
-	if (long_increment_overflow(&y, TM_YEAR_BASE))
-		goto overflow;
-	while (yourtm.tm_mday <= 0) {
-		if (long_increment_overflow(&y, -1))
-			goto overflow;
-		li = y + (1 < yourtm.tm_mon);
-		yourtm.tm_mday += year_lengths[isleap(li)];
-	}
-	while (yourtm.tm_mday > DAYSPERLYEAR) {
-		li = y + (1 < yourtm.tm_mon);
-		yourtm.tm_mday -= year_lengths[isleap(li)];
-		if (long_increment_overflow(&y, 1))
-			goto overflow;
-	}
-	for ( ; ; ) {
-		i = mon_lengths[isleap(y)][yourtm.tm_mon];
-		if (yourtm.tm_mday <= i)
-			break;
-		yourtm.tm_mday -= i;
-		if (++yourtm.tm_mon >= MONSPERYEAR) {
-			yourtm.tm_mon = 0;
-			if (long_increment_overflow(&y, 1))
-				goto overflow;
-		}
-	}
-	if (long_increment_overflow(&y, -TM_YEAR_BASE))
-		goto overflow;
-	yourtm.tm_year = (int)y;
-	if (yourtm.tm_year != y)
-		goto overflow;
-	if (yourtm.tm_sec >= 0 && yourtm.tm_sec < SECSPERMIN)
-		saved_seconds = 0;
-	else if (y + TM_YEAR_BASE < EPOCH_YEAR) {
-		/*
-		** We can't set tm_sec to 0, because that might push the
-		** time below the minimum representable time.
-		** Set tm_sec to 59 instead.
-		** This assumes that the minimum representable time is
-		** not in the same minute that a leap second was deleted from,
-		** which is a safer assumption than using 58 would be.
-		*/
-		if (increment_overflow(&yourtm.tm_sec, 1 - SECSPERMIN))
-			goto overflow;
-		saved_seconds = yourtm.tm_sec;
-		yourtm.tm_sec = SECSPERMIN - 1;
-	} else {
-		saved_seconds = yourtm.tm_sec;
-		yourtm.tm_sec = 0;
-	}
-	/*
-	** Do a binary search (this works whatever time_t's type is).
-	*/
-	/* LINTED const not */
-	if (!TYPE_SIGNED(time_t)) {
-		lo = 0;
-		hi = lo - 1;
-	/* LINTED const not */
-	} else {
-		lo = 1;
-		for (i = 0; i < (int) TYPE_BIT(time_t) - 1; ++i)
-			lo *= 2;
-		hi = -(lo + 1);
-	}
-#ifdef NO_ERROR_IN_DST_GAP
-	ilo = lo;
-#endif
-	for ( ; ; ) {
-		t = lo / 2 + hi / 2;
-		if (t < lo)
-			t = lo;
-		else if (t > hi)
-			t = hi;
-		if ((*funcp)(sp, &t, offset, &mytm) == NULL) {
-			/*
-			** Assume that t is too extreme to be represented in
-			** a struct tm; arrange things so that it is less
-			** extreme on the next pass.
-			*/
-			dir = (t > 0) ? 1 : -1;
-		} else	dir = tmcomp(&mytm, &yourtm);
-		if (dir != 0) {
-			if (t == lo) {
-				++t;
-				if (t <= lo)
-					goto overflow;
-				++lo;
-			} else if (t == hi) {
-				--t;
-				if (t >= hi)
-					goto overflow;
-				--hi;
-			}
-#ifdef NO_ERROR_IN_DST_GAP
-			if (ilo != lo && lo - 1 == hi && yourtm.tm_isdst < 0 &&
-			    do_norm_secs) {
-				for (i = sp->typecnt - 1; i >= 0; --i) {
-					for (j = sp->typecnt - 1; j >= 0; --j) {
-						time_t off;
-						if (sp->ttis[j].tt_isdst ==
-						    sp->ttis[i].tt_isdst)
-							continue;
-						off = sp->ttis[j].tt_gmtoff -
-						    sp->ttis[i].tt_gmtoff;
-						yourtm.tm_sec += off < 0 ?
-						    -off : off;
-						goto again;
-					}
-				}
-			}
-#endif
-			if (lo > hi)
-				goto invalid;
-			if (dir > 0)
-				hi = t;
-			else	lo = t;
-			continue;
-		}
-		if (yourtm.tm_isdst < 0 || mytm.tm_isdst == yourtm.tm_isdst)
-			break;
-		/*
-		** Right time, wrong type.
-		** Hunt for right time, right type.
-		** It's okay to guess wrong since the guess
-		** gets checked.
-		*/
-		if (sp == NULL)
-			goto invalid;
-		for (i = sp->typecnt - 1; i >= 0; --i) {
-			if (sp->ttis[i].tt_isdst != yourtm.tm_isdst)
-				continue;
-			for (j = sp->typecnt - 1; j >= 0; --j) {
-				if (sp->ttis[j].tt_isdst == yourtm.tm_isdst)
-					continue;
-				newt = (time_t)(t + sp->ttis[j].tt_gmtoff -
-				    sp->ttis[i].tt_gmtoff);
-				if ((*funcp)(sp, &newt, offset, &mytm) == NULL)
-					continue;
-				if (tmcomp(&mytm, &yourtm) != 0)
-					continue;
-				if (mytm.tm_isdst != yourtm.tm_isdst)
-					continue;
-				/*
-				** We have a match.
-				*/
-				t = newt;
-				goto label;
-			}
-		}
-		goto invalid;
-	}
-label:
-	newt = t + saved_seconds;
-	if ((newt < t) != (saved_seconds < 0))
-		goto overflow;
-	t = newt;
-	if ((*funcp)(sp, &t, offset, tmp)) {
-		*okayp = TRUE;
-		return t;
-	}
-overflow:
-	errno = EOVERFLOW;
-	return WRONG;
-invalid:
-	errno = EINVAL;
-	return WRONG;
-}
-
-static time_t
-time2(const timezone_t sp, struct tm *const tmp, subfun_t funcp,
-    const long offset, int *const okayp)
-{
-	time_t	t;
-
-	/*
-	** First try without normalization of seconds
-	** (in case tm_sec contains a value associated with a leap second).
-	** If that fails, try with normalization of seconds.
-	*/
-	t = time2sub(sp, tmp, funcp, offset, okayp, FALSE);
-	return *okayp ? t : time2sub(sp, tmp, funcp, offset, okayp, TRUE);
-}
-
-static time_t
-time1(const timezone_t sp, struct tm *const tmp, subfun_t funcp,
-    const long offset)
-{
-	time_t			t;
-	int			samei, otheri;
-	int			sameind, otherind;
-	int			i;
-	int			nseen;
-	int				seen[TZ_MAX_TYPES];
-	int				types[TZ_MAX_TYPES];
-	int				okay;
-
-	if (tmp == NULL) {
-		errno = EINVAL;
-		return WRONG;
-	}
-	if (tmp->tm_isdst > 1)
-		tmp->tm_isdst = 1;
-	t = time2(sp, tmp, funcp, offset, &okay);
-#ifdef PCTS
-	/*
-	** PCTS code courtesy Grant Sullivan.
-	*/
-	if (okay)
-		return t;
-	if (tmp->tm_isdst < 0)
-		tmp->tm_isdst = 0;	/* reset to std and try again */
-#endif /* defined PCTS */
-#ifndef PCTS
-	if (okay || tmp->tm_isdst < 0)
-		return t;
-#endif /* !defined PCTS */
-	/*
-	** We're supposed to assume that somebody took a time of one type
-	** and did some math on it that yielded a "struct tm" that's bad.
-	** We try to divine the type they started from and adjust to the
-	** type they need.
-	*/
-	if (sp == NULL) {
-		errno = EINVAL;
-		return WRONG;
-	}
-	for (i = 0; i < sp->typecnt; ++i)
-		seen[i] = FALSE;
-	nseen = 0;
-	for (i = sp->timecnt - 1; i >= 0; --i)
-		if (!seen[sp->types[i]]) {
-			seen[sp->types[i]] = TRUE;
-			types[nseen++] = sp->types[i];
-		}
-	for (sameind = 0; sameind < nseen; ++sameind) {
-		samei = types[sameind];
-		if (sp->ttis[samei].tt_isdst != tmp->tm_isdst)
-			continue;
-		for (otherind = 0; otherind < nseen; ++otherind) {
-			otheri = types[otherind];
-			if (sp->ttis[otheri].tt_isdst == tmp->tm_isdst)
-				continue;
-			tmp->tm_sec += (int)(sp->ttis[otheri].tt_gmtoff -
-					sp->ttis[samei].tt_gmtoff);
-			tmp->tm_isdst = !tmp->tm_isdst;
-			t = time2(sp, tmp, funcp, offset, &okay);
-			if (okay)
-				return t;
-			tmp->tm_sec -= (int)(sp->ttis[otheri].tt_gmtoff -
-					sp->ttis[samei].tt_gmtoff);
-			tmp->tm_isdst = !tmp->tm_isdst;
-		}
-	}
-	errno = EOVERFLOW;
-	return WRONG;
-}
-
-extern "C" time_t
-mktime(struct tm *const tmp)
-{
-	time_t result;
-
-	tzset_guard.init ("tzset_guard")->acquire ();
-	tzset_unlocked();
-	result = time1(lclptr, tmp, localsub, 0L);
-	tzset_guard.release ();
-	return result;
-}
-
-#ifdef STD_INSPIRED
-
-extern "C" time_t
-timelocal(struct tm *const tmp)
-{
-	if (tmp != NULL)
-		tmp->tm_isdst = -1;	/* in case it wasn't initialized */
-	return mktime(tmp);
-}
-
-extern "C" time_t
-timegm(struct tm *const tmp)
-{
-	time_t t;
-
-	if (tmp != NULL)
-		tmp->tm_isdst = 0;
-	t = time1(gmtptr, tmp, gmtsub, 0L);
-	return t;
-}
-
-extern "C" time_t
-timeoff(struct tm *const tmp, const long offset)
-{
-	time_t t;
-
-	if (tmp != NULL)
-		tmp->tm_isdst = 0;
-	t = time1(gmtptr, tmp, gmtsub, offset);
-	return t;
-}
-
-#endif /* defined STD_INSPIRED */
-
-#ifdef CMUCS
-
-/*
-** The following is supplied for compatibility with
-** previous versions of the CMUCS runtime library.
-*/
-
-extern "C" long
-gtime(struct tm *const tmp)
-{
-	const time_t t = mktime(tmp);
-
-	if (t == WRONG)
-		return -1;
-	return t;
-}
-
-#endif /* defined CMUCS */
-
-/*
-** XXX--is the below the right way to conditionalize??
-*/
-
-#ifdef STD_INSPIRED
-
-/*
-** IEEE Std 1003.1-1988 (POSIX) legislates that 536457599
-** shall correspond to "Wed Dec 31 23:59:59 UTC 1986", which
-** is not the case if we are accounting for leap seconds.
-** So, we provide the following conversion routines for use
-** when exchanging timestamps with POSIX conforming systems.
-*/
-
-static long
-leapcorr(const timezone_t sp, time_t *timep)
-{
-	struct lsinfo * lp;
-	int		i;
-
-	i = sp->leapcnt;
-	while (--i >= 0) {
-		lp = &sp->lsis[i];
-		if (*timep >= lp->ls_trans)
-			return lp->ls_corr;
-	}
-	return 0;
-}
-
-extern "C" time_t
-time2posix(time_t t)
-{
-	time_t result;
-	tzset_guard.init ("tzset_guard")->acquire ();
-	tzset_unlocked();
-	result = t - leapcorr(lclptr, &t);
-	tzset_guard.release ();
-	return (result);
-}
-
-extern "C" time_t
-posix2time(time_t t)
-{
-	time_t	x;
-	time_t	y;
-
-	tzset_guard.init ("tzset_guard")->acquire ();
-	tzset_unlocked();
-	/*
-	** For a positive leap second hit, the result
-	** is not unique. For a negative leap second
-	** hit, the corresponding time doesn't exist,
-	** so we return an adjacent second.
-	*/
-	x = (time_t)(t + leapcorr(lclptr, &t));
-	y = (time_t)(x - leapcorr(lclptr, &x));
-	if (y < t) {
-		do {
-			x++;
-			y = (time_t)(x - leapcorr(lclptr, &x));
-		} while (y < t);
-		if (t != y) {
-			return x - 1;
-		}
-	} else if (y > t) {
-		do {
-			--x;
-			y = (time_t)(x - leapcorr(lclptr, &x));
-		} while (y > t);
-		if (t != y) {
-			return x + 1;
-		}
-	}
-	tzset_guard.release ();
-	return x;
-}
-
-#endif /* defined STD_INSPIRED */
-
-extern "C" long
-__cygwin_gettzoffset (const struct tm *tmp)
-{
-#ifdef TM_GMTOFF
-  if (CYGWIN_VERSION_CHECK_FOR_EXTRA_TM_MEMBERS)
-    return tmp->TM_GMTOFF;
-#endif /* defined TM_GMTOFF */
-  __tzinfo_type *tz = __gettzinfo ();
-  /* The sign of this is exactly opposite the envvar TZ.  We
-     could directly use the global _timezone for tm_isdst==0,
-     but have to use __tzrule for daylight savings.  */
-  long offset = -tz->__tzrule[tmp->tm_isdst > 0].offset;
-  return offset;
-}
-
-extern "C" const char *
-__cygwin_gettzname (const struct tm *tmp)
-{
-#ifdef TM_ZONE
-  if (CYGWIN_VERSION_CHECK_FOR_EXTRA_TM_MEMBERS)
-    return tmp->TM_ZONE;
-#endif
-  return _tzname[tmp->tm_isdst > 0];
-}
diff --git a/winsup/cygwin/tz_posixrules.h b/winsup/cygwin/tz_posixrules.h
deleted file mode 100644
index dea668e2f..000000000
--- a/winsup/cygwin/tz_posixrules.h
+++ /dev/null
@@ -1,48 +0,0 @@
-/* generated with bin2h from zoneinfo/posixrules */
-
-static NO_COPY unsigned char _posixrules_data[] = {
-0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,
-0,1,16,0,0,0,2,0,0,0,8,0,151,254,240,1,135,225,224,2,119,224,240,3,112,254,96,4,96,253,112,5,80,
-224,96,6,64,223,112,7,48,194,96,7,141,25,112,9,16,164,96,9,173,148,240,10,240,134,96,11,224,133,112,12,217,162,
-224,13,192,103,112,14,185,132,224,15,169,131,240,16,153,102,224,17,137,101,240,18,121,72,224,19,105,71,240,20,89,42,224,
-21,73,41,240,22,57,12,224,23,41,11,240,24,34,41,96,25,8,237,240,26,2,11,96,26,242,10,112,27,225,237,96,28,
-209,236,112,29,193,207,96,30,177,206,112,31,161,177,96,32,118,0,240,33,129,147,96,34,85,226,240,35,106,175,224,36,53,
-196,240,37,74,145,224,38,21,166,240,39,42,115,224,39,254,195,112,41,10,85,224,41,222,165,112,42,234,55,224,43,190,135,
-112,44,211,84,96,45,158,105,112,46,179,54,96,47,126,75,112,48,147,24,96,49,103,103,240,50,114,250,96,51,71,73,240,
-52,82,220,96,53,39,43,240,54,50,190,96,55,7,13,240,56,27,218,224,56,230,239,240,57,251,188,224,58,198,209,240,59,
-219,158,224,60,175,238,112,61,187,128,224,62,143,208,112,63,155,98,224,64,111,178,112,65,132,127,96,66,79,148,112,67,100,
-97,96,68,47,118,112,69,68,67,96,70,15,88,112,71,36,37,96,71,248,116,240,73,4,7,96,73,216,86,240,74,227,233,
-96,75,184,56,240,76,205,5,224,77,152,26,240,78,172,231,224,79,119,252,240,80,140,201,224,81,97,25,112,82,108,171,224,
-83,64,251,112,84,76,141,224,85,32,221,112,86,44,111,224,87,0,191,112,88,21,140,96,88,224,161,112,89,245,110,96,90,
-192,131,112,91,213,80,96,92,169,159,240,93,181,50,96,94,137,129,240,95,149,20,96,96,105,99,240,97,126,48,224,98,73,
-69,240,99,94,18,224,100,41,39,240,101,61,244,224,102,18,68,112,103,29,214,224,103,242,38,112,104,253,184,224,105,210,8,
-112,106,221,154,224,107,177,234,112,108,198,183,96,109,145,204,112,110,166,153,96,111,113,174,112,112,134,123,96,113,90,202,240,
-114,102,93,96,115,58,172,240,116,70,63,96,117,26,142,240,118,47,91,224,118,250,112,240,120,15,61,224,120,218,82,240,121,
-239,31,224,122,186,52,240,123,207,1,224,124,163,81,112,125,174,227,224,126,131,51,112,127,142,197,224,128,99,21,112,129,119,
-226,96,130,66,247,112,131,87,196,96,132,34,217,112,133,55,166,96,134,11,245,240,135,23,136,96,135,235,215,240,136,247,106,
-96,137,203,185,240,138,215,76,96,139,171,155,240,140,192,104,224,141,139,125,240,142,160,74,224,143,107,95,240,144,128,44,224,
-145,84,124,112,146,96,14,224,147,52,94,112,148,63,240,224,149,20,64,112,150,41,13,96,150,244,34,112,152,8,239,96,152,
-212,4,112,153,232,209,96,154,189,32,240,155,200,179,96,156,157,2,240,157,168,149,96,158,124,228,240,159,136,119,96,160,92,
-198,240,161,113,147,224,162,60,168,240,163,81,117,224,164,28,138,240,165,49,87,224,166,5,167,112,167,17,57,224,167,229,137,
-112,168,241,27,224,169,197,107,112,170,218,56,96,171,165,77,112,172,186,26,96,173,133,47,112,174,153,252,96,175,101,17,112,
-176,121,222,96,177,78,45,240,178,89,192,96,179,46,15,240,180,57,162,96,181,13,241,240,182,34,190,224,182,237,211,240,184,
-2,160,224,184,205,181,240,185,226,130,224,186,182,210,112,187,194,100,224,188,150,180,112,189,162,70,224,190,118,150,112,191,130,
-40,224,192,86,120,112,193,107,69,96,194,54,90,112,195,75,39,96,196,22,60,112,197,43,9,96,197,255,88,240,199,10,235,
-96,199,223,58,240,200,234,205,96,201,191,28,240,202,211,233,224,203,158,254,240,204,179,203,224,205,126,224,240,206,147,173,224,
-207,103,253,112,208,115,143,224,209,71,223,112,210,83,113,224,211,39,193,112,212,51,83,224,213,7,163,112,214,28,112,96,214,
-231,133,112,215,252,82,96,216,199,103,112,217,220,52,96,218,176,131,240,219,188,22,96,220,144,101,240,221,155,248,96,222,112,
-71,240,223,133,20,224,224,80,41,240,225,100,246,224,226,48,11,240,227,68,216,224,228,15,237,240,229,36,186,224,229,249,10,
-112,231,4,156,224,231,216,236,112,232,228,126,224,233,184,206,112,234,205,155,96,235,152,176,112,236,173,125,96,237,120,146,112,
-238,141,95,96,239,97,174,240,240,109,65,96,241,65,144,240,242,77,35,96,243,33,114,240,244,45,5,96,245,1,84,240,246,
-22,33,224,246,225,54,240,247,246,3,224,248,193,24,240,249,213,229,224,250,160,250,240,251,181,199,224,252,138,23,112,253,149,
-169,224,254,105,249,112,255,117,139,224,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,
-1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,
-0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,
-1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,
-0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,
-1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,
-0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,
-1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,
-0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,255,255,199,192,1,0,255,255,185,176,0,4,69,68,84,
-0,69,83,84,0,0,0
-};
-- 
2.21.0



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