--- /dev/null
+/* Copyright (C) 1991-2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+/*
+ * ISO C99 Standard: 7.23 Date and time <time.h>
+ */
+
+#ifndef _TIME_H
+#define _TIME_H 1
+
+#include <features.h>
+
+#define __need_size_t
+#define __need_NULL
+#include <stddef.h>
+
+/* This defines CLOCKS_PER_SEC, which is the number of processor clock
+ ticks per second, and possibly a number of other constants. */
+#include <bits/time.h>
+
+/* Many of the typedefs and structs whose official home is this header
+ may also need to be defined by other headers. */
+#include <bits/types/clock_t.h>
+#include <bits/types/time_t.h>
+#include <bits/types/struct_tm.h>
+
+#if defined __USE_POSIX199309 || defined __USE_ISOC11
+# include <bits/types/struct_timespec.h>
+#endif
+
+#ifdef __USE_POSIX199309
+# include <bits/types/clockid_t.h>
+# include <bits/types/timer_t.h>
+# include <bits/types/struct_itimerspec.h>
+struct sigevent;
+#endif
+
+#ifdef __USE_XOPEN2K
+# ifndef __pid_t_defined
+typedef __pid_t pid_t;
+# define __pid_t_defined
+# endif
+#endif
+
+#ifdef __USE_XOPEN2K8
+# include <bits/types/locale_t.h>
+#endif
+
+#ifdef __USE_ISOC11
+/* Time base values for timespec_get. */
+# define TIME_UTC 1
+#endif
+
+__BEGIN_DECLS
+
+/* Time used by the program so far (user time + system time).
+ The result / CLOCKS_PER_SEC is program time in seconds. */
+extern clock_t clock (void) __THROW;
+
+/* Return the current time and put it in *TIMER if TIMER is not NULL. */
+extern time_t time (time_t *__timer) __THROW;
+
+/* Return the difference between TIME1 and TIME0. */
+extern double difftime (time_t __time1, time_t __time0)
+ __THROW __attribute__ ((__const__));
+
+/* Return the `time_t' representation of TP and normalize TP. */
+extern time_t mktime (struct tm *__tp) __THROW;
+
+
+/* Format TP into S according to FORMAT.
+ Write no more than MAXSIZE characters and return the number
+ of characters written, or 0 if it would exceed MAXSIZE. */
+extern size_t strftime (char *__restrict __s, size_t __maxsize,
+ const char *__restrict __format,
+ const struct tm *__restrict __tp) __THROW;
+
+#ifdef __USE_XOPEN
+/* Parse S according to FORMAT and store binary time information in TP.
+ The return value is a pointer to the first unparsed character in S. */
+extern char *strptime (const char *__restrict __s,
+ const char *__restrict __fmt, struct tm *__tp)
+ __THROW;
+#endif
+
+#ifdef __USE_XOPEN2K8
+/* Similar to the two functions above but take the information from
+ the provided locale and not the global locale. */
+
+extern size_t strftime_l (char *__restrict __s, size_t __maxsize,
+ const char *__restrict __format,
+ const struct tm *__restrict __tp,
+ locale_t __loc) __THROW;
+#endif
+
+#ifdef __USE_GNU
+extern char *strptime_l (const char *__restrict __s,
+ const char *__restrict __fmt, struct tm *__tp,
+ locale_t __loc) __THROW;
+#endif
+
+
+/* Return the `struct tm' representation of *TIMER
+ in Universal Coordinated Time (aka Greenwich Mean Time). */
+extern struct tm *gmtime (const time_t *__timer) __THROW;
+
+/* Return the `struct tm' representation
+ of *TIMER in the local timezone. */
+extern struct tm *localtime (const time_t *__timer) __THROW;
+
+#ifdef __USE_POSIX
+/* Return the `struct tm' representation of *TIMER in UTC,
+ using *TP to store the result. */
+extern struct tm *gmtime_r (const time_t *__restrict __timer,
+ struct tm *__restrict __tp) __THROW;
+
+/* Return the `struct tm' representation of *TIMER in local time,
+ using *TP to store the result. */
+extern struct tm *localtime_r (const time_t *__restrict __timer,
+ struct tm *__restrict __tp) __THROW;
+#endif /* POSIX */
+
+/* Return a string of the form "Day Mon dd hh:mm:ss yyyy\n"
+ that is the representation of TP in this format. */
+extern char *asctime (const struct tm *__tp) __THROW;
+
+/* Equivalent to `asctime (localtime (timer))'. */
+extern char *ctime (const time_t *__timer) __THROW;
+
+#ifdef __USE_POSIX
+/* Reentrant versions of the above functions. */
+
+/* Return in BUF a string of the form "Day Mon dd hh:mm:ss yyyy\n"
+ that is the representation of TP in this format. */
+extern char *asctime_r (const struct tm *__restrict __tp,
+ char *__restrict __buf) __THROW;
+
+/* Equivalent to `asctime_r (localtime_r (timer, *TMP*), buf)'. */
+extern char *ctime_r (const time_t *__restrict __timer,
+ char *__restrict __buf) __THROW;
+#endif /* POSIX */
+
+
+/* Defined in localtime.c. */
+extern char *__tzname[2]; /* Current timezone names. */
+extern int __daylight; /* If daylight-saving time is ever in use. */
+extern long int __timezone; /* Seconds west of UTC. */
+
+
+#ifdef __USE_POSIX
+/* Same as above. */
+extern char *tzname[2];
+
+/* Set time conversion information from the TZ environment variable.
+ If TZ is not defined, a locale-dependent default is used. */
+extern void tzset (void) __THROW;
+#endif
+
+#if defined __USE_MISC || defined __USE_XOPEN
+extern int daylight;
+extern long int timezone;
+#endif
+
+#ifdef __USE_MISC
+/* Set the system time to *WHEN.
+ This call is restricted to the superuser. */
+extern int stime (const time_t *__when) __THROW;
+#endif
+
+
+/* Nonzero if YEAR is a leap year (every 4 years,
+ except every 100th isn't, and every 400th is). */
+#define __isleap(year) \
+ ((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0))
+
+
+#ifdef __USE_MISC
+/* Miscellaneous functions many Unices inherited from the public domain
+ localtime package. These are included only for compatibility. */
+
+/* Like `mktime', but for TP represents Universal Time, not local time. */
+extern time_t timegm (struct tm *__tp) __THROW;
+
+/* Another name for `mktime'. */
+extern time_t timelocal (struct tm *__tp) __THROW;
+
+/* Return the number of days in YEAR. */
+extern int dysize (int __year) __THROW __attribute__ ((__const__));
+#endif
+
+
+#ifdef __USE_POSIX199309
+/* Pause execution for a number of nanoseconds.
+
+ This function is a cancellation point and therefore not marked with
+ __THROW. */
+extern int nanosleep (const struct timespec *__requested_time,
+ struct timespec *__remaining);
+
+
+/* Get resolution of clock CLOCK_ID. */
+extern int clock_getres (clockid_t __clock_id, struct timespec *__res) __THROW;
+
+/* Get current value of clock CLOCK_ID and store it in TP. */
+extern int clock_gettime (clockid_t __clock_id, struct timespec *__tp) __THROW;
+
+/* Set clock CLOCK_ID to value TP. */
+extern int clock_settime (clockid_t __clock_id, const struct timespec *__tp)
+ __THROW;
+
+# ifdef __USE_XOPEN2K
+/* High-resolution sleep with the specified clock.
+
+ This function is a cancellation point and therefore not marked with
+ __THROW. */
+extern int clock_nanosleep (clockid_t __clock_id, int __flags,
+ const struct timespec *__req,
+ struct timespec *__rem);
+
+/* Return clock ID for CPU-time clock. */
+extern int clock_getcpuclockid (pid_t __pid, clockid_t *__clock_id) __THROW;
+# endif
+
+
+/* Create new per-process timer using CLOCK_ID. */
+extern int timer_create (clockid_t __clock_id,
+ struct sigevent *__restrict __evp,
+ timer_t *__restrict __timerid) __THROW;
+
+/* Delete timer TIMERID. */
+extern int timer_delete (timer_t __timerid) __THROW;
+
+/* Set timer TIMERID to VALUE, returning old value in OVALUE. */
+extern int timer_settime (timer_t __timerid, int __flags,
+ const struct itimerspec *__restrict __value,
+ struct itimerspec *__restrict __ovalue) __THROW;
+
+/* Get current value of timer TIMERID and store it in VALUE. */
+extern int timer_gettime (timer_t __timerid, struct itimerspec *__value)
+ __THROW;
+
+/* Get expiration overrun for timer TIMERID. */
+extern int timer_getoverrun (timer_t __timerid) __THROW;
+#endif
+
+
+#ifdef __USE_ISOC11
+/* Set TS to calendar time based in time base BASE. */
+extern int timespec_get (struct timespec *__ts, int __base)
+ __THROW __nonnull ((1));
+#endif
+
+
+#ifdef __USE_XOPEN_EXTENDED
+/* Set to one of the following values to indicate an error.
+ 1 the DATEMSK environment variable is null or undefined,
+ 2 the template file cannot be opened for reading,
+ 3 failed to get file status information,
+ 4 the template file is not a regular file,
+ 5 an error is encountered while reading the template file,
+ 6 memory allication failed (not enough memory available),
+ 7 there is no line in the template that matches the input,
+ 8 invalid input specification Example: February 31 or a time is
+ specified that can not be represented in a time_t (representing
+ the time in seconds since 00:00:00 UTC, January 1, 1970) */
+extern int getdate_err;
+
+/* Parse the given string as a date specification and return a value
+ representing the value. The templates from the file identified by
+ the environment variable DATEMSK are used. In case of an error
+ `getdate_err' is set.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern struct tm *getdate (const char *__string);
+#endif
+
+#ifdef __USE_GNU
+/* Since `getdate' is not reentrant because of the use of `getdate_err'
+ and the static buffer to return the result in, we provide a thread-safe
+ variant. The functionality is the same. The result is returned in
+ the buffer pointed to by RESBUFP and in case of an error the return
+ value is != 0 with the same values as given above for `getdate_err'.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern int getdate_r (const char *__restrict __string,
+ struct tm *__restrict __resbufp);
+#endif
+
+__END_DECLS
+
+#endif /* time.h. */
projects / cross.git / blobdiff