glibc/include/time.h

118 lines
3.4 KiB
C

#ifndef _TIME_H
#if defined __need_time_t || defined __need_clock_t || defined __need_timespec
# include <time/time.h>
#else
# include <time/time.h>
# include <xlocale.h>
__BEGIN_DECLS
extern __typeof (strftime_l) __strftime_l;
libc_hidden_proto (__strftime_l)
extern __typeof (strptime_l) __strptime_l;
libc_hidden_proto (time)
libc_hidden_proto (asctime)
libc_hidden_proto (mktime)
libc_hidden_proto (timelocal)
libc_hidden_proto (localtime)
libc_hidden_proto (strftime)
libc_hidden_proto (strptime)
librt_hidden_proto (clock_gettime)
/* Now define the internal interfaces. */
struct tm;
/* Defined in mktime.c. */
extern const unsigned short int __mon_yday[2][13] attribute_hidden;
/* Defined in localtime.c. */
extern struct tm _tmbuf attribute_hidden;
/* Defined in tzset.c. */
extern char *__tzstring (const char *string);
/* Defined in tzset.c. */
extern size_t __tzname_cur_max attribute_hidden;
extern int __use_tzfile attribute_hidden;
extern void __tzfile_read (const char *file, size_t extra,
char **extrap);
extern void __tzfile_compute (time_t timer, int use_localtime,
long int *leap_correct, int *leap_hit,
struct tm *tp);
extern void __tzfile_default (const char *std, const char *dst,
long int stdoff, long int dstoff);
/* Subroutine of `mktime'. Return the `time_t' representation of TP and
normalize TP, given that a `struct tm *' maps to a `time_t' as performed
by FUNC. Keep track of next guess for time_t offset in *OFFSET. */
extern time_t __mktime_internal (struct tm *__tp,
struct tm *(*__func) (const time_t *,
struct tm *),
time_t *__offset);
extern struct tm *__localtime_r (__const time_t *__timer,
struct tm *__tp) attribute_hidden;
extern struct tm *__gmtime_r (__const time_t *__restrict __timer,
struct tm *__restrict __tp);
libc_hidden_proto (__gmtime_r)
/* Compute the `struct tm' representation of *T,
offset OFFSET seconds east of UTC,
and store year, yday, mon, mday, wday, hour, min, sec into *TP.
Return nonzero if successful. */
extern int __offtime (__const time_t *__timer,
long int __offset,
struct tm *__tp);
extern char *__asctime_r (__const struct tm *__tp, char *__buf);
extern void __tzset (void);
/* Prototype for the internal function to get information based on TZ. */
extern struct tm *__tz_convert (const time_t *timer, int use_localtime, struct tm *tp);
/* Return the maximum length of a timezone name.
This is what `sysconf (_SC_TZNAME_MAX)' does. */
extern long int __tzname_max (void);
extern int __nanosleep (__const struct timespec *__requested_time,
struct timespec *__remaining);
libc_hidden_proto(__nanosleep)
extern int __getdate_r (__const char *__string, struct tm *__resbufp);
/* Determine CLK_TCK value. */
extern int __getclktck (void);
/* strptime support. */
/* Status of lookup: do we use the locale data or the raw data? */
#ifndef __cplusplus
/* C++ cannot deal with using 'not'. */
enum ptime_locale_status { not, loc, raw };
extern char * __strptime_internal (const char *rp, const char *fmt,
struct tm *tm,
enum ptime_locale_status *decided,
int era_cnt, __locale_t locparam)
internal_function;
#endif
extern double __difftime (time_t time1, time_t time0);
/* Use in the clock_* functions. Size of the field representing the
actual clock ID. */
#ifndef _ISOMAC
# define CLOCK_IDFIELD_SIZE 3
#endif
__END_DECLS
#endif
#endif