newlib/libc/time/local.h

   1 /* local header used by libc/time routines */
   2 #include <_ansi.h>
   3 #include <time.h>
   4 #include <sys/_tz_structs.h>
   5
   6 #define SECSPERMIN      60L
   7 #define MINSPERHOUR     60L
   8 #define HOURSPERDAY     24L
   9 #define SECSPERHOUR     (SECSPERMIN * MINSPERHOUR)
  10 #define SECSPERDAY      (SECSPERHOUR * HOURSPERDAY)
  11 #define DAYSPERWEEK     7
  12 #define MONSPERYEAR     12
  13
  14 #define YEAR_BASE       1900
  15 #define EPOCH_YEAR      1970
  16 #define EPOCH_WDAY      4
  17 #define EPOCH_YEARS_SINCE_LEAP 2
  18 #define EPOCH_YEARS_SINCE_CENTURY 70
  19 #define EPOCH_YEARS_SINCE_LEAP_CENTURY 370
  20
  21 #define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0)
  22
  23 int         __tzcalc_limits (int __year);
  24
  25 extern const int __month_lengths[2][MONSPERYEAR];
  26
  27 void _tzset_unlocked_r (struct _reent *);
  28 void _tzset_unlocked (void);
  29
  30 /* locks for multi-threading */
  31 #ifdef __SINGLE_THREAD__
  32 #define TZ_LOCK
  33 #define TZ_UNLOCK
  34 #else
  35 #define TZ_LOCK __tz_lock()
  36 #define TZ_UNLOCK __tz_unlock()
  37 #endif
  38
  39 void __tz_lock (void);
  40 void __tz_unlock (void);
  41