From ea5c1233f13ad3128207b6b84401d8638dbc43e5 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Wed, 8 Jul 2015 09:40:13 +0200
Subject: nicer error reporting

---
 src/util/json.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

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

diff --git a/src/util/json.c b/src/util/json.c
index e4b0831a4..004f7734c 100644
--- a/src/util/json.c
+++ b/src/util/json.c
@@ -297,7 +297,19 @@ TALER_json_to_amount (json_t *json,
                         "fraction", &fraction,
                         "currency", &currency))
   {
+    char *json_enc;
+
     GNUNET_break_op (0);
+    if (NULL == (json_enc = json_dumps (json,
+                                        JSON_COMPACT | JSON_SORT_KEYS | JSON_ENCODE_ANY)))
+    {
+      GNUNET_break (0);
+      return GNUNET_SYSERR;
+    }
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Malformed JSON amount: %s\n",
+                json_enc);
+    free (json_enc);
     return GNUNET_SYSERR;
   }
   if ( (value < 0) ||
@@ -415,7 +427,7 @@ TALER_hash_json (json_t *json,
   GNUNET_CRYPTO_hash (wire_enc,
                       len,
                       hc);
-  GNUNET_free (wire_enc);
+  free (wire_enc);
   return GNUNET_OK;
 }
 
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