#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!

*/

/* This string was in the Factory zone through version 2016f.  */

#define GRANDPARENTED	"Local time zone must be set--see zic manual page"

/*

** Defaults for preprocessor symbols.

** You can override these in your C compiler options, e.g. '-DHAVE_GETTEXT=1'.

*/

#ifndef HAVE_DECL_ASCTIME_R

#define HAVE_DECL_ASCTIME_R 1

#endif

#ifndef HAVE_GETTEXT

#define HAVE_GETTEXT		0

#endif /* !defined HAVE_GETTEXT */

#ifndef HAVE_INCOMPATIBLE_CTIME_R

#define HAVE_INCOMPATIBLE_CTIME_R	0

#endif /* !defined INCOMPATIBLE_CTIME_R */

#ifndef HAVE_LINK

#define HAVE_LINK		1

#endif /* !defined HAVE_LINK */

#ifndef HAVE_POSIX_DECLS

#define HAVE_POSIX_DECLS 1

#endif

#ifndef HAVE_STRDUP

#define HAVE_STRDUP 1

#endif

#ifndef HAVE_SYMLINK

#define HAVE_SYMLINK		1

#endif /* !defined HAVE_SYMLINK */

#ifndef HAVE_SYS_STAT_H

#define HAVE_SYS_STAT_H		1

#endif /* !defined HAVE_SYS_STAT_H */

#ifndef HAVE_SYS_WAIT_H

#define HAVE_SYS_WAIT_H		1

#endif /* !defined HAVE_SYS_WAIT_H */

#ifndef HAVE_UNISTD_H

#define HAVE_UNISTD_H		1

#endif /* !defined HAVE_UNISTD_H */

#ifndef HAVE_UTMPX_H

#define HAVE_UTMPX_H		1

#endif /* !defined HAVE_UTMPX_H */

#ifndef NETBSD_INSPIRED

# define NETBSD_INSPIRED 1

#endif

#if HAVE_INCOMPATIBLE_CTIME_R

#define asctime_r _incompatible_asctime_r

#define ctime_r _incompatible_ctime_r

#endif /* HAVE_INCOMPATIBLE_CTIME_R */

/* Enable tm_gmtoff and tm_zone on GNUish systems.  */

#define _GNU_SOURCE 1

/* Fix asctime_r on Solaris 11.  */

#define _POSIX_PTHREAD_SEMANTICS 1

/* Enable strtoimax on pre-C99 Solaris 11.  */

#define __EXTENSIONS__ 1

/*

** Nested includes

*/

/* Avoid clashes with NetBSD by renaming NetBSD's declarations.  */

#define localtime_rz sys_localtime_rz

#define mktime_z sys_mktime_z

#define posix2time_z sys_posix2time_z

#define time2posix_z sys_time2posix_z

#define timezone_t sys_timezone_t

#define tzalloc sys_tzalloc

#define tzfree sys_tzfree

#include <time.h>

#undef localtime_rz

#undef mktime_z

#undef posix2time_z

#undef time2posix_z

#undef timezone_t

#undef tzalloc

#undef tzfree

#include <sys/types.h>	/* for time_t */

#include <stdio.h>

#include <string.h>

#include <limits.h>	/* for CHAR_BIT et al. */

#include <stdlib.h>

#include <errno.h>

#ifndef ENAMETOOLONG

# define ENAMETOOLONG EINVAL

#endif

#ifndef ENOTSUP

# define ENOTSUP EINVAL

#endif

#ifndef EOVERFLOW

# define EOVERFLOW EINVAL

#endif

#if HAVE_GETTEXT

#include <libintl.h>

#endif /* HAVE_GETTEXT */

#if HAVE_SYS_WAIT_H

#include <sys/wait.h>	/* for WIFEXITED and WEXITSTATUS */

#endif /* HAVE_SYS_WAIT_H */

#ifndef WIFEXITED

#define WIFEXITED(status)	(((status) & 0xff) == 0)

#endif /* !defined WIFEXITED */

#ifndef WEXITSTATUS

#define WEXITSTATUS(status)	(((status) >> 8) & 0xff)

#endif /* !defined WEXITSTATUS */

#if HAVE_UNISTD_H

#include <unistd.h>	/* for F_OK, R_OK, and other POSIX goodness */

#endif /* HAVE_UNISTD_H */

#ifndef HAVE_STRFTIME_L

# if _POSIX_VERSION < 200809

#  define HAVE_STRFTIME_L 0

# else

#  define HAVE_STRFTIME_L 1

# endif

#endif

#ifndef F_OK

#define F_OK	0

#endif /* !defined F_OK */

#ifndef R_OK

#define R_OK	4

#endif /* !defined R_OK */

/* Unlike <ctype.h>'s isdigit, this also works if c < 0 | c > UCHAR_MAX. */

#define is_digit(c) ((unsigned)(c) - '0' <= 9)

/*

** Define HAVE_STDINT_H's default value here, rather than at the

** start, since __GLIBC__ and INTMAX_MAX's values depend on

** previously-included files.  glibc 2.1 and Solaris 10 and later have

** stdint.h, even with pre-C99 compilers.

*/

#ifndef HAVE_STDINT_H

#define HAVE_STDINT_H \

   (199901 <= __STDC_VERSION__ \

    || 2 < __GLIBC__ + (1 <= __GLIBC_MINOR__)	\

    || __CYGWIN__ || INTMAX_MAX)

#endif /* !defined HAVE_STDINT_H */

#if HAVE_STDINT_H

#include <stdint.h>

#endif /* !HAVE_STDINT_H */

#ifndef HAVE_INTTYPES_H

# define HAVE_INTTYPES_H HAVE_STDINT_H

#endif

#if HAVE_INTTYPES_H

# include <inttypes.h>

#endif

/* Pre-C99 GCC compilers define __LONG_LONG_MAX__ instead of LLONG_MAX.  */

#ifdef __LONG_LONG_MAX__

# ifndef LLONG_MAX

#  define LLONG_MAX __LONG_LONG_MAX__

# endif

# ifndef LLONG_MIN

#  define LLONG_MIN (-1 - LLONG_MAX)

# endif

#endif

#ifndef INT_FAST64_MAX

# ifdef LLONG_MAX

typedef long long	int_fast64_t;

#  define INT_FAST64_MIN LLONG_MIN

#  define INT_FAST64_MAX LLONG_MAX

# else

#  if LONG_MAX >> 31 < 0xffffffff

Please use a compiler that supports a 64-bit integer type (or wider);

you may need to compile with "-DHAVE_STDINT_H".

#  endif

typedef long		int_fast64_t;

#  define INT_FAST64_MIN LONG_MIN

#  define INT_FAST64_MAX LONG_MAX

# endif

#endif

#ifndef PRIdFAST64

# if INT_FAST64_MAX == LLONG_MAX

#  define PRIdFAST64 "lld"

# else

#  define PRIdFAST64 "ld"

# endif

#endif

#ifndef SCNdFAST64

# define SCNdFAST64 PRIdFAST64

#endif

#ifndef INT_FAST32_MAX

# if INT_MAX >> 31 == 0

typedef long int_fast32_t;

#  define INT_FAST32_MAX LONG_MAX

#  define INT_FAST32_MIN LONG_MIN

# else

typedef int int_fast32_t;

#  define INT_FAST32_MAX INT_MAX

#  define INT_FAST32_MIN INT_MIN

# endif

#endif

#ifndef INTMAX_MAX

# ifdef LLONG_MAX

typedef long long intmax_t;

#  define strtoimax strtoll

#  define INTMAX_MAX LLONG_MAX

#  define INTMAX_MIN LLONG_MIN

# else

typedef long intmax_t;

#  define strtoimax strtol

#  define INTMAX_MAX LONG_MAX

#  define INTMAX_MIN LONG_MIN

# endif

#endif

#ifndef PRIdMAX

# if INTMAX_MAX == LLONG_MAX

#  define PRIdMAX "lld"

# else

#  define PRIdMAX "ld"

# endif

#endif

#ifndef UINT_FAST64_MAX

# if defined ULLONG_MAX || defined __LONG_LONG_MAX__

typedef unsigned long long uint_fast64_t;

# else

#  if ULONG_MAX >> 31 >> 1 < 0xffffffff

Please use a compiler that supports a 64-bit integer type (or wider);

you may need to compile with "-DHAVE_STDINT_H".

#  endif

typedef unsigned long	uint_fast64_t;

# endif

#endif

#ifndef UINTMAX_MAX

# if defined ULLONG_MAX || defined __LONG_LONG_MAX__

typedef unsigned long long uintmax_t;

# else

typedef unsigned long uintmax_t;

# endif

#endif

#ifndef PRIuMAX

# if defined ULLONG_MAX || defined __LONG_LONG_MAX__

#  define PRIuMAX "llu"

# else

#  define PRIuMAX "lu"

# endif

#endif

#ifndef INT32_MAX

#define INT32_MAX 0x7fffffff

#endif /* !defined INT32_MAX */

#ifndef INT32_MIN

#define INT32_MIN (-1 - INT32_MAX)

#endif /* !defined INT32_MIN */

#ifndef SIZE_MAX

#define SIZE_MAX ((size_t) -1)

#endif

#if 2 < __GNUC__ + (96 <= __GNUC_MINOR__)

# define ATTRIBUTE_CONST __attribute__ ((const))

# define ATTRIBUTE_PURE __attribute__ ((__pure__))

# define ATTRIBUTE_FORMAT(spec) __attribute__ ((__format__ spec))

#else

# define ATTRIBUTE_CONST /* empty */

# define ATTRIBUTE_PURE /* empty */

# define ATTRIBUTE_FORMAT(spec) /* empty */

#endif

#if !defined _Noreturn && __STDC_VERSION__ < 201112

# if 2 < __GNUC__ + (8 <= __GNUC_MINOR__)

#  define _Noreturn __attribute__ ((__noreturn__))

# else

#  define _Noreturn

# endif

#endif

#if __STDC_VERSION__ < 199901 && !defined restrict

# define restrict /* empty */

#endif

/*

** Workarounds for compilers/systems.

*/

#ifndef EPOCH_LOCAL

# define EPOCH_LOCAL 0

#endif

#ifndef EPOCH_OFFSET

# define EPOCH_OFFSET 0

#endif

/*

** Compile with -Dtime_tz=T to build the tz package with a private

** time_t type equivalent to T rather than the system-supplied time_t.

** This debugging feature can test unusual design decisions

** (e.g., time_t wider than 'long', or unsigned time_t) even on

** typical platforms.

*/

#if defined time_tz || EPOCH_LOCAL || EPOCH_OFFSET != 0

# ifdef LOCALTIME_IMPLEMENTATION

static time_t sys_time(time_t *x) { return time(x); }

# endif

typedef time_tz tz_time_t;

# undef  ctime

# define ctime tz_ctime

# undef  ctime_r

# define ctime_r tz_ctime_r

# undef  difftime

# define difftime tz_difftime

# undef  gmtime

# define gmtime tz_gmtime

# undef  gmtime_r

# define gmtime_r tz_gmtime_r

# undef  localtime

# define localtime tz_localtime

# undef  localtime_r

# define localtime_r tz_localtime_r

# undef  localtime_rz

# define localtime_rz tz_localtime_rz

# undef  mktime

# define mktime tz_mktime

# undef  mktime_z

# define mktime_z tz_mktime_z

# undef  offtime

# define offtime tz_offtime

# undef  posix2time

# define posix2time tz_posix2time

# undef  posix2time_z

# define posix2time_z tz_posix2time_z

# undef  time

# define time tz_time

# undef  time2posix

# define time2posix tz_time2posix

# undef  time2posix_z

# define time2posix_z tz_time2posix_z

# undef  time_t

# define time_t tz_time_t

# undef  timegm

# define timegm tz_timegm

# undef  timelocal

# define timelocal tz_timelocal

# undef  timeoff

# define timeoff tz_timeoff

# undef  tzalloc

# define tzalloc tz_tzalloc

# undef  tzfree

# define tzfree tz_tzfree

# undef  tzset

# define tzset tz_tzset

# undef  tzsetwall

# define tzsetwall tz_tzsetwall

char *ctime(time_t const *);

char *ctime_r(time_t const *, char *);

double difftime(time_t, time_t);

struct tm *gmtime(time_t const *);

struct tm *gmtime_r(time_t const *restrict, struct tm *restrict);

struct tm *localtime(time_t const *);

struct tm *localtime_r(time_t const *restrict, struct tm *restrict);

time_t mktime(struct tm *);

time_t time(time_t *);

void tzset(void);

#endif

#if !HAVE_DECL_ASCTIME_R && !defined asctime_r

extern char *asctime_r(struct tm const *restrict, char *restrict);

#endif

#if !HAVE_POSIX_DECLS

# ifdef USG_COMPAT

#  ifndef timezone

extern long timezone;

#  endif

#  ifndef daylight

extern int daylight;

#  endif

# endif

#endif

#if defined ALTZONE && !defined altzone

extern long altzone;

#endif

/*

** The STD_INSPIRED functions are similar, but most also need

** declarations if time_tz is defined.

*/

#ifdef STD_INSPIRED

# if !defined tzsetwall || defined time_tz

void tzsetwall(void);

# endif

# if !defined offtime || defined time_tz

struct tm *offtime(time_t const *, long);

# endif

# if !defined timegm || defined time_tz

time_t timegm(struct tm *);

# endif

# if !defined timelocal || defined time_tz

time_t timelocal(struct tm *);

# endif

# if !defined timeoff || defined time_tz

time_t timeoff(struct tm *, long);

# endif

# if !defined time2posix || defined time_tz

time_t time2posix(time_t);

# endif

# if !defined posix2time || defined time_tz

time_t posix2time(time_t);

# endif

#endif

/* Infer TM_ZONE on systems where this information is known, but suppress

   guessing if NO_TM_ZONE is defined.  Similarly for TM_GMTOFF.  */

#if (defined __GLIBC__ \

     || defined __FreeBSD__ || defined __NetBSD__ || defined __OpenBSD__ \

     || (defined __APPLE__ && defined __MACH__))

# if !defined TM_GMTOFF && !defined NO_TM_GMTOFF

#  define TM_GMTOFF tm_gmtoff

# endif

# if !defined TM_ZONE && !defined NO_TM_ZONE

#  define TM_ZONE tm_zone

# endif

#endif

/*

** Define functions that are ABI compatible with NetBSD but have

** better prototypes.  NetBSD 6.1.4 defines a pointer type timezone_t

** and labors under the misconception that 'const timezone_t' is a

** pointer to a constant.  This use of 'const' is ineffective, so it

** is not done here.  What we call 'struct state' NetBSD calls

** 'struct __state', but this is a private name so it doesn't matter.

*/

#if NETBSD_INSPIRED

typedef struct state *timezone_t;

struct tm *localtime_rz(timezone_t restrict, time_t const *restrict,

			struct tm *restrict);

time_t mktime_z(timezone_t restrict, struct tm *restrict);

timezone_t tzalloc(char const *);

void tzfree(timezone_t);

# ifdef STD_INSPIRED

#  if !defined posix2time_z || defined time_tz

time_t posix2time_z(timezone_t, time_t) ATTRIBUTE_PURE;

#  endif

#  if !defined time2posix_z || defined time_tz

time_t time2posix_z(timezone_t, time_t) ATTRIBUTE_PURE;

#  endif

# endif

#endif

/*

** Finally, some convenience items.

*/

#if __STDC_VERSION__ < 199901

# define true 1

# define false 0

# define bool int

#else

# include <stdbool.h>

#endif

#define TYPE_BIT(type)	(sizeof (type) * CHAR_BIT)

#define TYPE_SIGNED(type) (((type) -1) < 0)

#define TWOS_COMPLEMENT(t) ((t) ~ (t) 0 < 0)

/* Max and min values of the integer type T, of which only the bottom

   B bits are used, and where the highest-order used bit is considered

   to be a sign bit if T is signed.  */

#define MAXVAL(t, b)						\

  ((t) (((t) 1 << ((b) - 1 - TYPE_SIGNED(t)))			\

	- 1 + ((t) 1 << ((b) - 1 - TYPE_SIGNED(t)))))

#define MINVAL(t, b)						\

  ((t) (TYPE_SIGNED(t) ? - TWOS_COMPLEMENT(t) - MAXVAL(t, b) : 0))

/* The minimum and maximum finite time values.  This implementation

   assumes no padding if time_t is signed and either the compiler is

   pre-C11 or time_t is not one of the standard signed integer types.  */

#if 201112 <= __STDC_VERSION__

static time_t const time_t_min

  = (TYPE_SIGNED(time_t)

     ? _Generic((time_t) 0,

		signed char: SCHAR_MIN, short: SHRT_MIN,

		int: INT_MIN, long: LONG_MIN, long long: LLONG_MIN,

		default: MINVAL(time_t, TYPE_BIT(time_t)))

     : 0);

static time_t const time_t_max

  = (TYPE_SIGNED(time_t)

     ? _Generic((time_t) 0,

		signed char: SCHAR_MAX, short: SHRT_MAX,

		int: INT_MAX, long: LONG_MAX, long long: LLONG_MAX,

		default: MAXVAL(time_t, TYPE_BIT(time_t)))

     : -1);

#else

static time_t const time_t_min = MINVAL(time_t, TYPE_BIT(time_t));

static time_t const time_t_max = MAXVAL(time_t, TYPE_BIT(time_t));

#endif

/*

** 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))

/*

** INITIALIZE(x)

*/

#ifdef lint

# define INITIALIZE(x)	((x) = 0)

#else

# define INITIALIZE(x)

#endif

#ifndef UNINIT_TRAP

# define UNINIT_TRAP 0

#endif

/*

** For the benefit of GNU folk...

** '_(MSGID)' uses the current locale's message library string for MSGID.

** The default is to use gettext if available, and use MSGID otherwise.

*/

#if HAVE_GETTEXT

#define _(msgid) gettext(msgid)

#else /* !HAVE_GETTEXT */

#define _(msgid) msgid

#endif /* !HAVE_GETTEXT */

#if !defined TZ_DOMAIN && defined HAVE_GETTEXT

# define TZ_DOMAIN "tz"

#endif

#if HAVE_INCOMPATIBLE_CTIME_R

#undef asctime_r

#undef ctime_r

char *asctime_r(struct tm const *, char *);

char *ctime_r(time_t const *, char *);

#endif /* HAVE_INCOMPATIBLE_CTIME_R */

/* Handy macros that are independent of tzfile implementation.  */

#define YEARSPERREPEAT		400	/* years before a Gregorian repeat */

#define SECSPERMIN	60

#define MINSPERHOUR	60

#define HOURSPERDAY	24

#define DAYSPERWEEK	7

#define DAYSPERNYEAR	365

#define DAYSPERLYEAR	366

#define SECSPERHOUR	(SECSPERMIN * MINSPERHOUR)

#define SECSPERDAY	((int_fast32_t) 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

#define isleap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0))

/*

** Since everything in isleap is modulo 400 (or a factor of 400), we know that

**	isleap(y) == isleap(y % 400)

** and so

**	isleap(a + b) == isleap((a + b) % 400)

** or

**	isleap(a + b) == isleap(a % 400 + b % 400)

** This is true even if % means modulo rather than Fortran remainder

** (which is allowed by C89 but not C99).

** We use this to avoid addition overflow problems.

*/

#define isleap_sum(a, b)	isleap((a) % 400 + (b) % 400)

/*

** The Gregorian year averages 365.2425 days, which is 31556952 seconds.

*/

#define AVGSECSPERYEAR		31556952L

#define SECSPERREPEAT \

  ((int_fast64_t) YEARSPERREPEAT * (int_fast64_t) AVGSECSPERYEAR)

#define SECSPERREPEAT_BITS	34	/* ceil(log2(SECSPERREPEAT)) */

#endif /* !defined PRIVATE_H */