From bf2ce9853e640384106f4dd7c242ea1e5e440871 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Wed, 1 Sep 2021 11:11:41 +0200
Subject: add long-time overdue convenience function

---
 src/util/amount.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/util/amount.c')

diff --git a/src/util/amount.c b/src/util/amount.c
index 01f2a2313..ae9ae652e 100644
--- a/src/util/amount.c
+++ b/src/util/amount.c
@@ -241,6 +241,18 @@ TALER_amount_is_valid (const struct TALER_Amount *amount)
 }
 
 
+bool
+TALER_amount_is_zero (const struct TALER_Amount *amount)
+{
+  if (GNUNET_OK !=
+      TALER_amount_is_valid (amount))
+    return false;
+  return
+    (0 == amount->value) &&
+    (0 == amount->fraction);
+}
+
+
 /**
  * Test if @a a is valid, NBO variant.
  *
-- 
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