X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fshared%2Ftime-util.h;h=b55a660bb006c140d5387d95c27bee8b603a22d2;hp=913821a6bddeaec60be7e1d80bc528f12d90d7ff;hb=097df453dab149f6b45f1b30510363acd8f11593;hpb=842129f58752864d4433792c9c47d40508c4439a

diff --git a/src/shared/time-util.h b/src/shared/time-util.h
index 913821a6b..b55a660bb 100644
--- a/src/shared/time-util.h
+++ b/src/shared/time-util.h
@@ -27,6 +27,9 @@
 typedef uint64_t usec_t;
 typedef uint64_t nsec_t;
 
+#define NSEC_FMT "%" PRIu64
+#define USEC_FMT "%" PRIu64
+
 #include "macro.h"
 
 typedef struct dual_timestamp {
@@ -34,30 +37,36 @@ typedef struct dual_timestamp {
         usec_t monotonic;
 } dual_timestamp;
 
+#define USEC_INFINITY ((usec_t) -1)
+#define NSEC_INFINITY ((nsec_t) -1)
+
 #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 USEC_PER_SEC  ((usec_t) 1000000ULL)
+#define USEC_PER_MSEC ((usec_t) 1000ULL)
+#define NSEC_PER_SEC  ((nsec_t) 1000000000ULL)
+#define NSEC_PER_MSEC ((nsec_t) 1000000ULL)
+#define NSEC_PER_USEC ((nsec_t) 1000ULL)
+
+#define USEC_PER_MINUTE ((usec_t) (60ULL*USEC_PER_SEC))
+#define NSEC_PER_MINUTE ((nsec_t) (60ULL*NSEC_PER_SEC))
+#define USEC_PER_HOUR ((usec_t) (60ULL*USEC_PER_MINUTE))
+#define NSEC_PER_HOUR ((nsec_t) (60ULL*NSEC_PER_MINUTE))
+#define USEC_PER_DAY ((usec_t) (24ULL*USEC_PER_HOUR))
+#define NSEC_PER_DAY ((nsec_t) (24ULL*NSEC_PER_HOUR))
+#define USEC_PER_WEEK ((usec_t) (7ULL*USEC_PER_DAY))
+#define NSEC_PER_WEEK ((nsec_t) (7ULL*NSEC_PER_DAY))
+#define USEC_PER_MONTH ((usec_t) (2629800ULL*USEC_PER_SEC))
+#define NSEC_PER_MONTH ((nsec_t) (2629800ULL*NSEC_PER_SEC))
+#define USEC_PER_YEAR ((usec_t) (31557600ULL*USEC_PER_SEC))
+#define NSEC_PER_YEAR ((nsec_t) (31557600ULL*NSEC_PER_SEC))
 
 #define FORMAT_TIMESTAMP_MAX ((4*4+1)+11+9+4+1) /* weekdays can be unicode */
+#define FORMAT_TIMESTAMP_WIDTH 28 /* when outputting, assume this width */
 #define FORMAT_TIMESTAMP_RELATIVE_MAX 256
 #define FORMAT_TIMESPAN_MAX 64
 
+#define TIME_T_MAX (time_t)((1UL << ((sizeof(time_t) << 3) - 1)) - 1)
+
 #define DUAL_TIMESTAMP_NULL ((struct dual_timestamp) { 0, 0 })
 
 usec_t now(clockid_t clock);
@@ -67,8 +76,8 @@ dual_timestamp* dual_timestamp_from_realtime(dual_timestamp *ts, usec_t u);
 dual_timestamp* dual_timestamp_from_monotonic(dual_timestamp *ts, usec_t u);
 
 static inline bool dual_timestamp_is_set(dual_timestamp *ts) {
-        return ((ts->realtime > 0 && ts->realtime != (usec_t) -1) ||
-                (ts->monotonic > 0 && ts->monotonic != (usec_t) -1));
+        return ((ts->realtime > 0 && ts->realtime != USEC_INFINITY) ||
+                (ts->monotonic > 0 && ts->monotonic != USEC_INFINITY));
 }
 
 usec_t timespec_load(const struct timespec *ts) _pure_;
@@ -78,7 +87,9 @@ usec_t timeval_load(const struct timeval *tv) _pure_;
 struct timeval *timeval_store(struct timeval *tv, usec_t u);
 
 char *format_timestamp(char *buf, size_t l, usec_t t);
+char *format_timestamp_utc(char *buf, size_t l, usec_t t);
 char *format_timestamp_us(char *buf, size_t l, usec_t t);
+char *format_timestamp_us_utc(char *buf, size_t l, usec_t t);
 char *format_timestamp_relative(char *buf, size_t l, usec_t t);
 char *format_timespan(char *buf, size_t l, usec_t t, usec_t accuracy);
 
@@ -91,3 +102,8 @@ int parse_sec(const char *t, usec_t *usec);
 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);
+
+clockid_t clock_boottime_or_monotonic(void);