+/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
-/***
- This file is part of systemd.
-
- Copyright 2010 Lennart Poettering
-
- 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/>.
-***/
-
#include <inttypes.h>
#include <stdbool.h>
#include <stddef.h>
#define TRIPLE_TIMESTAMP_HAS_CLOCK(clock) \
IN_SET(clock, CLOCK_REALTIME, CLOCK_REALTIME_ALARM, CLOCK_MONOTONIC, CLOCK_BOOTTIME, CLOCK_BOOTTIME_ALARM)
-static inline bool dual_timestamp_is_set(dual_timestamp *ts) {
+static inline bool dual_timestamp_is_set(const dual_timestamp *ts) {
return ((ts->realtime > 0 && ts->realtime != USEC_INFINITY) ||
(ts->monotonic > 0 && ts->monotonic != USEC_INFINITY));
}
-static inline bool triple_timestamp_is_set(triple_timestamp *ts) {
+static inline bool triple_timestamp_is_set(const triple_timestamp *ts) {
return ((ts->realtime > 0 && ts->realtime != USEC_INFINITY) ||
(ts->monotonic > 0 && ts->monotonic != USEC_INFINITY) ||
(ts->boottime > 0 && ts->boottime != USEC_INFINITY));
#endif // 0
int parse_sec(const char *t, usec_t *usec);
+#if 0 /// UNNEEDED by elogind
+int parse_sec_fix_0(const char *t, usec_t *usec);
+#endif // 0
int parse_time(const char *t, usec_t *usec, usec_t default_unit);
#if 0 /// UNNEEDED by elogind
int parse_nsec(const char *t, nsec_t *nsec);
bool ntp_synced(void);
int get_timezones(char ***l);
-bool timezone_is_valid(const char *name);
+bool timezone_is_valid(const char *name, int log_level);
#endif // 0
bool clock_boottime_supported(void);
bool clock_supported(clockid_t clock);
#if 0 /// UNNEEDED by elogind
clockid_t clock_boottime_or_monotonic(void);
-#endif // 0
-#define xstrftime(buf, fmt, tm) \
- assert_message_se(strftime(buf, ELEMENTSOF(buf), fmt, tm) > 0, \
- "xstrftime: " #buf "[] must be big enough")
+usec_t usec_shift_clock(usec_t, clockid_t from, clockid_t to);
+#endif // 0
#if 0 /// UNNEEDED by elogind
int get_timezone(char **timezone);
unsigned long usec_to_jiffies(usec_t usec);
#endif // 0
+bool in_utc_timezone(void);
+
static inline usec_t usec_add(usec_t a, usec_t b) {
usec_t c;
return c;
}
-static inline usec_t usec_sub(usec_t timestamp, int64_t delta) {
- if (delta < 0)
- return usec_add(timestamp, (usec_t) (-delta));
+static inline usec_t usec_sub_unsigned(usec_t timestamp, usec_t delta) {
if (timestamp == USEC_INFINITY) /* Make sure infinity doesn't degrade */
return USEC_INFINITY;
-
- if (timestamp < (usec_t) delta)
+ if (timestamp < delta)
return 0;
return timestamp - delta;
}
+
+static inline usec_t usec_sub_signed(usec_t timestamp, int64_t delta) {
+ if (delta < 0)
+ return usec_add(timestamp, (usec_t) (-delta));
+ else
+ return usec_sub_unsigned(timestamp, (usec_t) delta);
+}
+
+#if SIZEOF_TIME_T == 8
+/* The last second we can format is 31. Dec 9999, 1s before midnight, because otherwise we'd enter 5 digit year
+ * territory. However, since we want to stay away from this in all timezones we take one day off. */
+#define USEC_TIMESTAMP_FORMATTABLE_MAX ((usec_t) 253402214399000000)
+#elif SIZEOF_TIME_T == 4
+/* With a 32bit time_t we can't go beyond 2038... */
+#define USEC_TIMESTAMP_FORMATTABLE_MAX ((usec_t) 2147483647000000)
+#else
+#error "Yuck, time_t is neither 4 nor 8 bytes wide?"
+#endif
+
+int time_change_fd(void);