From ad237521e982352d41127f8c19576a5a242dbbbd Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Fri, 1 May 2015 10:06:46 +0200
Subject: check return values

---
 src/mint-tools/taler-mint-reservemod.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

(limited to 'src/mint-tools')

diff --git a/src/mint-tools/taler-mint-reservemod.c b/src/mint-tools/taler-mint-reservemod.c
index ce35ecc4c..762830783 100644
--- a/src/mint-tools/taler-mint-reservemod.c
+++ b/src/mint-tools/taler-mint-reservemod.c
@@ -162,9 +162,15 @@ reservemod_add (struct TALER_Amount denom)
                                             "balance_fraction",
                                             "balance_currency",
                                             &old_denom));
-    TALER_amount_add (&new_denom,
-                      &old_denom,
-                      &denom);
+    if (GNUNET_OK !=
+        TALER_amount_add (&new_denom,
+                          &old_denom,
+                          &denom))
+    {
+      fprintf (stderr,
+               "Integer overflow when computing new balance!\n");
+      return GNUNET_SYSERR;
+    }
     TALER_amount_hton (&new_denom_nbo,
                        &new_denom);
     result = PQexecParams (db_conn,
-- 
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