From 9c3ddcbc183a9a96f10cdb14f28258ea61f5f7c5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=96zg=C3=BCr=20Kesim?= <oec-taler@kesim.org>
Date: Tue, 27 Jun 2023 18:57:05 +0200
Subject: added TALER_adult_age(struct TALER_AgeMask *mask)

---
 src/include/taler_util.h | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/include/taler_util.h')

diff --git a/src/include/taler_util.h b/src/include/taler_util.h
index dc30fca31..e0473bff7 100644
--- a/src/include/taler_util.h
+++ b/src/include/taler_util.h
@@ -622,6 +622,14 @@ TALER_get_lowest_age (
   const struct TALER_AgeMask *mask,
   uint8_t age);
 
+/* @brief Get the lowest age for the largest age group
+ *
+ * @param mask the age mask
+ * @return lowest age for the largest age group
+ */
+#define TALER_adult_age(mask) \
+  sizeof((mask)->bits) * 8 - __builtin_clz ((mask)->bits) - 1
+
 /**
  * Handle to an external process that will assist
  * with some JSON-to-JSON conversion.
-- 
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