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/* Copyright (c) 2002 Jeff Johnston <jjohnstn@redhat.com> */
/* local header used by libc/time routines */
#ifndef _DEFAULT_SOURCE
#define _DEFAULT_SOURCE
#endif
#include <_ansi.h>
#include <time.h>
#include <sys/_tz_structs.h>
#include <sys/lock.h>
#define SECSPERMIN 60L
#define MINSPERHOUR 60L
#define HOURSPERDAY 24L
#define SECSPERHOUR (SECSPERMIN * MINSPERHOUR)
#define SECSPERDAY (SECSPERHOUR * HOURSPERDAY)
#define DAYSPERWEEK 7
#define MONSPERYEAR 12
#define YEAR_BASE 1900
#define EPOCH_YEAR 1970
#define EPOCH_WDAY 4
#define EPOCH_YEARS_SINCE_LEAP 2
#define EPOCH_YEARS_SINCE_CENTURY 70
#define EPOCH_YEARS_SINCE_LEAP_CENTURY 370
static inline int isleap (int y)
{
// This routine must return exactly 0 or 1, because the result is used to index on __month_lengths[].
// The order of checks below is the fastest for a random year.
return y % 4 == 0 && (y % 100 != 0 || y % 400 == 0);
}
int __tzcalc_limits (int __year);
extern const uint8_t __month_lengths[2][MONSPERYEAR];
void _tzset_unlocked (void);
/* locks for multi-threading */
#define TZ_LOCK __LIBC_LOCK()
#define TZ_UNLOCK __LIBC_UNLOCK()
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