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commit 7730a083494c0d49705f87b32fc85dfa6ed6809a
parent ffe1ec4cb9c9ad23ecba095acb4e38edb741b402
Author: Sree Harsha Totakura <sreeharsha@totakura.in>
Date:   Thu, 26 Mar 2015 19:39:16 +0100

util: avoid memcpy over overlapping memory

memcpy used to copy the currency string in TALER_amount_get_zero can copy from
overlapping memory regions.  This happens when the diff parameter to
TALER_amount_substract is same as a1 parameter.

Diffstat:
M
src/util/amount.c
 | 
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/util/amount.c b/src/util/amount.c
@@ -348,7 +348,7 @@ TALER_amount_subtract (struct TALER_Amount *diff,
     return GNUNET_SYSERR;
   }
   GNUNET_assert (GNUNET_OK ==
-                 TALER_amount_get_zero (a1->currency,
+                 TALER_amount_get_zero (n1.currency,
                                         diff));
   GNUNET_assert (n1.fraction >= n2.fraction);
   diff->fraction = n1.fraction - n2.fraction;