1 files changed, 30 insertions, 0 deletions

diff --git a/src/util/time.c b/src/util/time.c
index 68a6937a0..cf072aebf 100644
--- a/src/util/time.c
+++ b/src/util/time.c
@@ -58,6 +58,22 @@ GNUNET_TIME_get_offset ()
 }
 
 
+bool
+GNUNET_TIME_absolute_approx_eq (struct GNUNET_TIME_Absolute a1,
+                                struct GNUNET_TIME_Absolute a2,
+                                struct GNUNET_TIME_Relative t)
+{
+  struct GNUNET_TIME_Relative delta;
+
+  delta = GNUNET_TIME_relative_min (
+    GNUNET_TIME_absolute_get_difference (a1, a2),
+    GNUNET_TIME_absolute_get_difference (a2, a1));
+  return GNUNET_TIME_relative_cmp (delta,
+                                   <=,
+                                   t);
+}
+
+
 struct GNUNET_TIME_Timestamp
 GNUNET_TIME_absolute_to_timestamp (struct GNUNET_TIME_Absolute at)
 {
@@ -370,6 +386,20 @@ GNUNET_TIME_timestamp_min (struct GNUNET_TIME_Timestamp t1,
 }
 
 
+struct GNUNET_TIME_Absolute
+GNUNET_TIME_absolute_round_down (struct GNUNET_TIME_Absolute at,
+                                 struct GNUNET_TIME_Relative rt)
+{
+  struct GNUNET_TIME_Absolute ret;
+
+  GNUNET_assert (! GNUNET_TIME_relative_is_zero (rt));
+  ret.abs_value_us
+    = at.abs_value_us
+    - at.abs_value_us % rt.rel_value_us;
+  return ret;
+}
+
+
 struct GNUNET_TIME_Relative
 GNUNET_TIME_absolute_get_remaining (struct GNUNET_TIME_Absolute future)
 {