#include "version.h"
#include "private.h"
#include "stdio.h"
#include "string.h"
#include "sys/types.h"
#include "time.h"
#include "stdlib.h"
#include "limits.h"
#include <errno.h>

Macros
#define	__EXTENSIONS__ 1

#define	_GNU_SOURCE 1

#define	ATTRIBUTE_PURE /* empty */

#define	bool int

#define	DAYSPERNYEAR 365

#define	DIVISOR 10

#define	EPOCH_YEAR 1970

#define	EXIT_FAILURE 1

#define	EXIT_SUCCESS 0

#define	false 0

#define	HAVE_LOCALTIME_R 1

#define	HAVE_LOCALTIME_RZ 0

#define	HAVE_TZSET 1

#define	HOURSPERDAY 24

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

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

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

#define	localtime_r zdump_localtime_r

#define	localtime_rz zdump_localtime_rz

#define	MAX_STRING_LENGTH 1024

#define	MINSPERHOUR 60

#define	my_localtime_rz localtime_rz

#define	SECSPER400YEARS

#define	SECSPERDAY ((int_fast32_t) SECSPERHOUR * HOURSPERDAY)

#define	SECSPERHOUR (SECSPERMIN * MINSPERHOUR)

#define	SECSPERLYEAR (SECSPERNYEAR + SECSPERDAY)

#define	SECSPERMIN 60

#define	SECSPERNYEAR (SECSPERDAY * DAYSPERNYEAR)

#define	timezone_t char **

#define	TM_YEAR_BASE 1900

#define	true 1

#define	tzalloc zdump_tzalloc

#define	tzfree zdump_tzfree

#define	USE_LOCALTIME_RZ false

#define	USE_LTZ 1

#define	ZDUMP_HI_YEAR 2500

#define	ZDUMP_LO_YEAR (-500)

Enumerations
enum

enum	{ atime_shift = CHAR_BIT * sizeof (time_t) - 2 }

Functions
static char const *	abbr (struct tm const *)

static void	abbrok (const char const abbrp, const char const zone)

static int	adjusted_yday (struct tm const a, struct tm const b)

static void	close_file (FILE *stream)

static intmax_t	delta (struct tm , struct tm )

static void	dumptime (register const struct tm *timeptr)

static int	format_local_time (char buf, size_t size, struct tm const tm)

static size_t	format_quoted_string (char buf, size_t size, char const p)

static int	format_utc_offset (char buf, size_t size, struct tm const tm, time_t t)

static long	gmtoff (struct tm const a, time_t t, struct tm const *b)

static void	gmtzinit (void)

static time_t	hunt (timezone_t tz, char *name, time_t lot, time_t hit)

static bool	istrftime (char buf, size_t size, char const time_fmt, struct tm const tm, time_t t, char const ab, char const *zone_name)

static struct tm *	localtime_r (time_t tp, struct tm tmp)

static struct tm *	localtime_rz (timezone_t rz, time_t tp, struct tm tmp)

int	main (int argc, char *argv[])

static struct tm *	my_gmtime_r (time_t tp, struct tm tmp)

static char const *	saveabbr (char *buf, size_t bufalloc, struct tm const *tmp)

static void	show (timezone_t tz, char *zone, time_t t, bool v)

static void	showtrans (char const time_fmt, struct tm const tm, time_t t, char const ab, char const zone_name)

static size_t	sumsize (size_t a, size_t b)

static const char *	tformat (void)

static timezone_t	tzalloc (char const *val)

static void	tzfree (timezone_t env)

static void	usage (FILE *const stream, const int status)

static void *	xmalloc (size_t size)

static time_t	yeartot (intmax_t y)

Variables
static time_t const	absolute_max_time

static time_t const	absolute_min_time

char **	environ

static bool	errout

static timezone_t	gmtz

static int	longest

static char *	progname

static bool	warned

Macro Definition Documentation

#define __EXTENSIONS__ 1

#define _GNU_SOURCE 1

#define ATTRIBUTE_PURE /* empty */

#define bool int

#define DAYSPERNYEAR 365

#define DIVISOR 10

Referenced by dumptime().

#define EPOCH_YEAR 1970

Referenced by yeartot().

#define EXIT_FAILURE 1

Referenced by addtype(), associate(), change_directory(), close_file(), dolink(), errensure(), getfields(), gmtzinit(), infile(), leapadd(), main(), memory_exhausted(), mkdirs(), newabbr(), rpytime(), rulesub(), sumsize(), time_overflow(), writezone(), xmalloc(), and yearistype().

#define EXIT_SUCCESS 0

Referenced by errensure(), main(), and usage().

#define false 0

#define HAVE_LOCALTIME_R 1

#define HAVE_LOCALTIME_RZ 0

Referenced by saveabbr().

#define HAVE_TZSET 1

#define HOURSPERDAY 24

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

Referenced by abbrok().

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

Referenced by yeartot().

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

Referenced by adjusted_yday().

#define localtime_r zdump_localtime_r

Referenced by localtime_rz().

#define localtime_rz zdump_localtime_rz

Referenced by main(), and my_gmtime_r().

#define MAX_STRING_LENGTH 1024

#define MINSPERHOUR 60

#define my_localtime_rz localtime_rz

Referenced by hunt(), main(), and show().

#define SECSPER400YEARS

Value:

(SECSPERNYEAR * (intmax_t) (300 + 3) \

+ SECSPERLYEAR * (intmax_t) (100 - 3))

SECSPERNYEAR

#define SECSPERNYEAR

Definition: zdump.c:210

SECSPERLYEAR

#define SECSPERLYEAR

Definition: zdump.c:211

intmax_t

long intmax_t

Definition: private.h:243

Referenced by yeartot().

#define SECSPERDAY ((int_fast32_t) SECSPERHOUR * HOURSPERDAY)

Referenced by main().

#define SECSPERHOUR (SECSPERMIN * MINSPERHOUR)

#define SECSPERLYEAR (SECSPERNYEAR + SECSPERDAY)

Referenced by yeartot().

#define SECSPERMIN 60

#define SECSPERNYEAR (SECSPERDAY * DAYSPERNYEAR)

Referenced by yeartot().

#define timezone_t char **

#define TM_YEAR_BASE 1900

Referenced by adjusted_yday(), and dumptime().

#define true 1

#define tzalloc zdump_tzalloc

Referenced by gmtzinit(), and main().

#define tzfree zdump_tzfree

Referenced by main().

#define USE_LOCALTIME_RZ false

Referenced by gmtzinit(), and my_gmtime_r().

#define USE_LTZ 1

#define ZDUMP_HI_YEAR 2500

Referenced by main().

#define ZDUMP_LO_YEAR (-500)

Referenced by main().

Enumeration Type Documentation

anonymous enum

Enumerator
atime_shift

Function Documentation

static char const * abbr ( struct tm const * tmp )

static

Referenced by format_utc_offset(), hunt(), main(), saveabbr(), and show().

static void abbrok	(	const char *const	abbrp,
		const char *const	zone
	)

static

References _, is_alpha(), and is_digit.

Referenced by show().

static int adjusted_yday	(	struct tm const *	a,
		struct tm const *	b
	)

static

References isleap_sum, and TM_YEAR_BASE.

Referenced by gmtoff().

static void close_file ( FILE * stream )

static

References _, and EXIT_FAILURE.

Referenced by main(), and usage().

static intmax_t delta	(	struct tm *	newp,
		struct tm *	oldp
	)

static

Referenced by hunt(), and main().

static void dumptime ( register const struct tm * timeptr )

static

References DIVISOR, and TM_YEAR_BASE.

Referenced by show().

static int format_local_time	(	char *	buf,
		size_t	size,
		struct tm const *	tm
	)

static

Referenced by istrftime().

static size_t format_quoted_string	(	char *	buf,
		size_t	size,
		char const *	p
	)

static

Referenced by istrftime().

static int format_utc_offset	(	char *	buf,
		size_t	size,
		struct tm const *	tm,
		time_t	t
	)

static

References abbr(), and gmtoff().

Referenced by istrftime().

static long gmtoff	(	struct tm const *	a,
		time_t *	t,
		struct tm const *	b
	)

static

References adjusted_yday(), my_gmtime_r(), and tm.

Referenced by addtype(), format_utc_offset(), init_ttinfo(), outzone(), show(), and stringrule().

static void gmtzinit ( void )

static

References EXIT_FAILURE, tzalloc, and USE_LOCALTIME_RZ.

Referenced by main().

static time_t hunt	(	timezone_t	tz,
		char *	name,
		time_t	lot,
		time_t	hit
	)

static

References abbr(), delta(), my_localtime_rz, saveabbr(), and tm.

Referenced by main().

static bool istrftime	(	char *	buf,
		size_t	size,
		char const *	time_fmt,
		struct tm const *	tm,
		time_t	t,
		char const *	ab,
		char const *	zone_name
	)

static

References format_local_time(), format_quoted_string(), format_utc_offset(), is_alpha(), strftime(), and xmalloc().

Referenced by showtrans().

static struct tm* localtime_r	(	time_t *	tp,
		struct tm *	tmp
	)

static

References localtime(), and tm.

static struct tm* localtime_rz	(	timezone_t	rz,
		time_t *	tp,
		struct tm *	tmp
	)

static

References localtime_r.

int main	(	int	argc,
		char *	argv[]
	)

References _, abbr(), absolute_max_time, absolute_min_time, close_file(), delta(), EXIT_FAILURE, EXIT_SUCCESS, gmtzinit(), hunt(), INITIALIZE, localtime_rz, my_localtime_rz, PKGVERSION, saveabbr(), SECSPERDAY, show(), showtrans(), strtoimax, tm, TZ_DOMAIN, tzalloc, tzfree, TZVERSION, usage(), yeartot(), ZDUMP_HI_YEAR, and ZDUMP_LO_YEAR.

static struct tm* my_gmtime_r	(	time_t *	tp,
		struct tm *	tmp
	)

static

References gmtime_r(), localtime_rz, and USE_LOCALTIME_RZ.

Referenced by gmtoff(), and show().

static char const* saveabbr	(	char **	buf,
		size_t *	bufalloc,
		struct tm const *	tmp
	)

static

References abbr(), HAVE_LOCALTIME_RZ, sumsize(), and xmalloc().

Referenced by hunt(), and main().

static void show	(	timezone_t	tz,
		char *	zone,
		time_t	t,
		bool	v
	)

static

References abbr(), abbrok(), dumptime(), gmtoff(), my_gmtime_r(), my_localtime_rz, tformat(), and tm.

Referenced by main().

static void showtrans	(	char const *	time_fmt,
		struct tm const *	tm,
		time_t	t,
		char const *	ab,
		char const *	zone_name
	)

static

References istrftime(), sumsize(), tformat(), and xmalloc().

Referenced by main().

static size_t sumsize	(	size_t	a,
		size_t	b
	)

static

References EXIT_FAILURE.

Referenced by saveabbr(), showtrans(), and tzalloc().

static const char* tformat ( void )

static

References PRIdMAX, and PRIuMAX.

Referenced by show(), and showtrans().

static timezone_t tzalloc ( char const * val )

static

References environ, sumsize(), tzset(), and xmalloc().

static void tzfree ( timezone_t env )

static

References environ.

static void usage	(	FILE *const	stream,
		const int	status
	)

static

References _, close_file(), EXIT_SUCCESS, and REPORT_BUGS_TO.

Referenced by main().

static void* xmalloc ( size_t size )

static

References EXIT_FAILURE.

Referenced by istrftime(), saveabbr(), showtrans(), and tzalloc().

static time_t yeartot ( intmax_t y )

static

References absolute_max_time, absolute_min_time, EPOCH_YEAR, INTMAX_MAX, isleap, SECSPER400YEARS, SECSPERLYEAR, and SECSPERNYEAR.

Referenced by main().

Variable Documentation

time_t const absolute_max_time

static

Initial value:

=
  ((time_t) -1 < 0
   ? (((time_t) 1 << atime_shift) - 1 + ((time_t) 1 << atime_shift))
   : -1)

Referenced by main(), and yeartot().

time_t const absolute_min_time

static

Initial value:

=
  ((time_t) -1 < 0
   ? (- ((time_t) ~ (time_t) 0 < 0)
      - (((time_t) 1 << atime_shift) - 1 + ((time_t) 1 << atime_shift)))
   : 0)

Referenced by main(), and yeartot().

char** environ

Referenced by tzalloc(), and tzfree().

bool errout

static

timezone_t gmtz

static

int longest

static

char* progname

static

bool warned

static

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation