1 files changed, 16 insertions, 1 deletions

diff --git a/src/include/gnunet_time_lib.h b/src/include/gnunet_time_lib.h
index 96413c3cc..55af62b72 100644
--- a/src/include/gnunet_time_lib.h
+++ b/src/include/gnunet_time_lib.h
@@ -1,6 +1,6 @@
 /*
      This file is part of GNUnet.
-     Copyright (C) 2001-2013 GNUnet e.V.
+     Copyright (C) 2001-2022 GNUnet e.V.
 
      GNUnet is free software: you can redistribute it and/or modify it
      under the terms of the GNU Affero General Public License as published
@@ -517,6 +517,21 @@ GNUNET_TIME_absolute_get_remaining (struct GNUNET_TIME_Absolute future);
 
 
 /**
+ * Test if @a a1 and @a a2 are equal within a margin of
+ * error of @a t.
+ *
+ * @param a1 time to compare
+ * @param a2 time to compare
+ * @param t tolerance to apply
+ * @return true if "|a1-a2|<=t" holds.
+ */
+bool
+GNUNET_TIME_absolute_approx_eq (struct GNUNET_TIME_Absolute a1,
+                                struct GNUNET_TIME_Absolute a2,
+                                struct GNUNET_TIME_Relative t);
+
+
+/**
  * Calculate the estimate time of arrival/completion
  * for an operation.
  *