/**
* @file include/gnunet_time_lib.h
* @brief functions related to time
- *
* @author Christian Grothoff
+ * @defgroup time Time and time calculations
+ * @{
*/
#ifndef GNUNET_TIME_LIB_H
/**
- * Convert relative time to network byte order.
+ * Convert absolute time to network byte order.
*
* @param a time to convert
* @return converted time value
/**
- * Convert relative time from network byte order.
+ * Convert absolute time from network byte order.
*
* @param a time to convert
* @return converted time value
*
* @return the offset we currently skew the locale time by
*/
-long long
+long long
GNUNET_TIME_get_offset (void);
+/**
+ * Return the current year (i.e. '2011').
+ */
+unsigned int
+GNUNET_TIME_get_current_year (void);
+
+
+/**
+ * Convert a year to an expiration time of January 1st of that year.
+ *
+ * @param year a year (after 1970, please ;-)).
+ * @return absolute time for January 1st of that year.
+ */
+struct GNUNET_TIME_Absolute
+GNUNET_TIME_year_to_time (unsigned int year);
+
+
+/**
+ * Convert an expiration time to the respective year (rounds)
+ *
+ * @param at absolute time
+ * @return year a year (after 1970), 0 on error
+ */
+unsigned int
+GNUNET_TIME_time_to_year (struct GNUNET_TIME_Absolute at);
+
+
#if 0 /* keep Emacsens' auto-indent happy */
{
#endif
}
#endif
+/** @} */ /* end of group time */
+
+
/* ifndef GNUNET_TIME_LIB_H */
#endif
/* end of gnunet_time_lib.h */