include/time.h

   1 #ifndef _TIME_H
   2 #if defined __need_time_t  || defined __need_clock_t || defined __need_timespec
   3 # include <time/time.h>
   4 #else
   5 # include <time/time.h>
   6 # include <xlocale.h>
   7
   8 __BEGIN_DECLS
   9
  10 extern __typeof (strftime_l) __strftime_l;
  11 libc_hidden_proto (__strftime_l)
  12 extern __typeof (strptime_l) __strptime_l;
  13
  14 libc_hidden_proto (time)
  15 libc_hidden_proto (asctime)
  16 libc_hidden_proto (mktime)
  17 libc_hidden_proto (timelocal)
  18 libc_hidden_proto (localtime)
  19 libc_hidden_proto (strftime)
  20 libc_hidden_proto (strptime)
  21
  22 librt_hidden_proto (clock_gettime)
  23
  24 /* Now define the internal interfaces.  */
  25 struct tm;
  26
  27 /* Defined in mktime.c.  */
  28 extern const unsigned short int __mon_yday[2][13] attribute_hidden;
  29
  30 /* Defined in localtime.c.  */
  31 extern struct tm _tmbuf attribute_hidden;
  32
  33 /* Defined in tzset.c.  */
  34 extern char *__tzstring (const char *string);
  35
  36 /* Defined in tzset.c. */
  37 extern size_t __tzname_cur_max attribute_hidden;
  38
  39
  40 extern int __use_tzfile attribute_hidden;
  41
  42 extern void __tzfile_read (const char *file, size_t extra,
  43                            char **extrap);
  44 extern void __tzfile_compute (time_t timer, int use_localtime,
  45                               long int *leap_correct, int *leap_hit,
  46                               struct tm *tp);
  47 extern void __tzfile_default (const char *std, const char *dst,
  48                               long int stdoff, long int dstoff);
  49
  50 /* Subroutine of `mktime'.  Return the `time_t' representation of TP and
  51    normalize TP, given that a `struct tm *' maps to a `time_t' as performed
  52    by FUNC.  Keep track of next guess for time_t offset in *OFFSET.  */
  53 extern time_t __mktime_internal (struct tm *__tp,
  54                                  struct tm *(*__func) (const time_t *,
  55                                                        struct tm *),
  56                                  time_t *__offset);
  57 extern struct tm *__localtime_r (__const time_t *__timer,
  58                                  struct tm *__tp) attribute_hidden;
  59
  60 extern struct tm *__gmtime_r (__const time_t *__restrict __timer,
  61                               struct tm *__restrict __tp);
  62 libc_hidden_proto (__gmtime_r)
  63
  64 /* Compute the `struct tm' representation of *T,
  65    offset OFFSET seconds east of UTC,
  66    and store year, yday, mon, mday, wday, hour, min, sec into *TP.
  67    Return nonzero if successful.  */
  68 extern int __offtime (__const time_t *__timer,
  69                       long int __offset,
  70                       struct tm *__tp);
  71
  72 extern char *__asctime_r (__const struct tm *__tp, char *__buf);
  73 extern void __tzset (void);
  74
  75 /* Prototype for the internal function to get information based on TZ.  */
  76 extern struct tm *__tz_convert (const time_t *timer, int use_localtime, struct tm *tp);
  77
  78 /* Return the maximum length of a timezone name.
  79    This is what `sysconf (_SC_TZNAME_MAX)' does.  */
  80 extern long int __tzname_max (void);
  81
  82 extern int __nanosleep (__const struct timespec *__requested_time,
  83                         struct timespec *__remaining);
  84 libc_hidden_proto(__nanosleep)
  85 extern int __getdate_r (__const char *__string, struct tm *__resbufp);
  86
  87
  88 /* Determine CLK_TCK value.  */
  89 extern int __getclktck (void);
  90
  91
  92 /* strptime support.  */
  93 /* Status of lookup: do we use the locale data or the raw data?  */
  94 #ifndef __cplusplus
  95 /* C++ cannot deal with using 'not'.  */
  96 enum ptime_locale_status { not, loc, raw };
  97
  98 extern char * __strptime_internal (const char *rp, const char *fmt,
  99                                    struct tm *tm,
 100                                    enum ptime_locale_status *decided,
 101                                    int era_cnt, __locale_t locparam)
 102      internal_function;
 103 #endif
 104
 105 extern double __difftime (time_t time1, time_t time0);
 106
 107
 108 /* Use in the clock_* functions.  Size of the field representing the
 109    actual clock ID.  */
 110 #ifndef _ISOMAC
 111 # define CLOCK_IDFIELD_SIZE     3
 112 #endif
 113
 114 __END_DECLS
 115
 116 #endif
 117 #endif