X-Git-Url: https://git.tokkee.org/?p=sysdb.git;a=blobdiff_plain;f=src%2Finclude%2Fcore%2Ftime.h;h=f1a1dd5f9e17add0c03ef2f4fd9ca1f151d5330c;hp=30e920b6a0905de566874e3a9afddceaee4259cb;hb=56b97a180a53aecbfe9f7162b8ece3faae973cf9;hpb=fa5c130fbd0c75f3c47f1b28feb8d76a4791a93e

diff --git a/src/include/core/time.h b/src/include/core/time.h
index 30e920b..f1a1dd5 100644
--- a/src/include/core/time.h
+++ b/src/include/core/time.h
@@ -54,6 +54,19 @@ typedef uint64_t sdb_time_t;
 #define TIMESPEC_TO_SDB_TIME(ts) (SECS_TO_SDB_TIME((ts).tv_sec) \
 		+ NSECS_TO_SDB_TIME((ts).tv_nsec))
 
+/*
+ * Interval constants:
+ * Each constant specifies the time interval, in nano-seconds, of the named
+ * time-frame. Year, month, and day are approximations which do not work well
+ * for very large time intervals.
+ */
+extern const sdb_time_t SDB_INTERVAL_YEAR;
+extern const sdb_time_t SDB_INTERVAL_MONTH;
+extern const sdb_time_t SDB_INTERVAL_DAY;
+extern const sdb_time_t SDB_INTERVAL_HOUR;
+extern const sdb_time_t SDB_INTERVAL_MINUTE;
+extern const sdb_time_t SDB_INTERVAL_SECOND;
+
 sdb_time_t
 sdb_gettime(void);
 
@@ -63,6 +76,9 @@ sdb_sleep(sdb_time_t reg, sdb_time_t *rem);
 size_t
 sdb_strftime(char *s, size_t len, const char *format, sdb_time_t);
 
+size_t
+sdb_strfinterval(char *s, size_t len, sdb_time_t interval);
+
 #ifdef __cplusplus
 } /* extern "C" */
 #endif