| /*** |
| First set of functions in this file are part of systemd, and were |
| copied to util-linux at August 2013. |
| |
| Copyright 2010 Lennart Poettering |
| Copyright (C) 2014 Karel Zak <kzak@redhat.com> |
| |
| systemd 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. |
| |
| systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>. |
| ***/ |
| #ifndef UTIL_LINUX_TIME_UTIL_H |
| #define UTIL_LINUX_TIME_UTIL_H |
| |
| #include <stdio.h> |
| #include <inttypes.h> |
| #include <sys/time.h> |
| |
| typedef uint64_t usec_t; |
| typedef uint64_t nsec_t; |
| |
| #define MSEC_PER_SEC 1000ULL |
| #define USEC_PER_SEC 1000000ULL |
| #define USEC_PER_MSEC 1000ULL |
| #define NSEC_PER_SEC 1000000000ULL |
| #define NSEC_PER_MSEC 1000000ULL |
| #define NSEC_PER_USEC 1000ULL |
| |
| #define USEC_PER_MINUTE (60ULL*USEC_PER_SEC) |
| #define NSEC_PER_MINUTE (60ULL*NSEC_PER_SEC) |
| #define USEC_PER_HOUR (60ULL*USEC_PER_MINUTE) |
| #define NSEC_PER_HOUR (60ULL*NSEC_PER_MINUTE) |
| #define USEC_PER_DAY (24ULL*USEC_PER_HOUR) |
| #define NSEC_PER_DAY (24ULL*NSEC_PER_HOUR) |
| #define USEC_PER_WEEK (7ULL*USEC_PER_DAY) |
| #define NSEC_PER_WEEK (7ULL*NSEC_PER_DAY) |
| #define USEC_PER_MONTH (2629800ULL*USEC_PER_SEC) |
| #define NSEC_PER_MONTH (2629800ULL*NSEC_PER_SEC) |
| #define USEC_PER_YEAR (31557600ULL*USEC_PER_SEC) |
| #define NSEC_PER_YEAR (31557600ULL*NSEC_PER_SEC) |
| |
| #define FORMAT_TIMESTAMP_MAX ((4*4+1)+11+9+4+1) /* weekdays can be unicode */ |
| #define FORMAT_TIMESTAMP_RELATIVE_MAX 256 |
| #define FORMAT_TIMESPAN_MAX 64 |
| |
| int parse_timestamp(const char *t, usec_t *usec); |
| int get_gmtoff(const struct tm *tp); |
| |
| /* flags and masks for strxxx_iso() functions */ |
| enum { |
| ISO_DATE = (1 << 0), |
| ISO_TIME = (1 << 1), |
| ISO_TIMEZONE = (1 << 2), |
| ISO_DOTUSEC = (1 << 3), |
| ISO_COMMAUSEC = (1 << 4), |
| ISO_T = (1 << 5), |
| ISO_GMTIME = (1 << 6), |
| ISO_TIMESTAMP = ISO_DATE | ISO_TIME | ISO_TIMEZONE, |
| ISO_TIMESTAMP_T = ISO_TIMESTAMP | ISO_T, |
| ISO_TIMESTAMP_DOT = ISO_TIMESTAMP | ISO_DOTUSEC, |
| ISO_TIMESTAMP_DOT_T = ISO_TIMESTAMP_DOT | ISO_T, |
| ISO_TIMESTAMP_COMMA = ISO_TIMESTAMP | ISO_COMMAUSEC, |
| ISO_TIMESTAMP_COMMA_T = ISO_TIMESTAMP_COMMA | ISO_T, |
| ISO_TIMESTAMP_COMMA_G = ISO_TIMESTAMP_COMMA | ISO_GMTIME, |
| ISO_TIMESTAMP_COMMA_GT = ISO_TIMESTAMP_COMMA_G | ISO_T |
| }; |
| |
| #define ISO_BUFSIZ 42 |
| |
| int strtimeval_iso(struct timeval *tv, int flags, char *buf, size_t bufsz); |
| int strtm_iso(struct tm *tm, int flags, char *buf, size_t bufsz); |
| int strtime_iso(const time_t *t, int flags, char *buf, size_t bufsz); |
| |
| #define UL_SHORTTIME_THISYEAR_HHMM (1 << 1) |
| |
| int time_is_today(const time_t *t, struct timeval *now); |
| int time_is_thisyear(const time_t *t, struct timeval *now); |
| |
| int strtime_short(const time_t *t, struct timeval *now, int flags, char *buf, size_t bufsz); |
| |
| #ifndef HAVE_TIMEGM |
| extern time_t timegm(struct tm *tm); |
| #endif |
| |
| int parse_date(struct timespec *, char const *, struct timespec const *); |
| |
| #endif /* UTIL_LINUX_TIME_UTIL_H */ |