exchange

commit dc883f8556f34b324dd7677ab21c3d2840fd38a9
parent 8f08e4634f0e2cb61d288ecc061d75e78c27fd30
Author: Christian Grothoff <christian@grothoff.org>
Date:   Fri,  6 Oct 2017 21:27:58 +0200

add assertion to be more defensive against buffer overflow (cannot happen, but this better protects against future changes)

Diffstat:
M
src/exchange-lib/exchange_api_refresh_link.c
 | 
1
+

1 file changed, 1 insertion(+), 0 deletions(-)
diff --git a/src/exchange-lib/exchange_api_refresh_link.c b/src/exchange-lib/exchange_api_refresh_link.c
@@ -235,6 +235,7 @@ parse_refresh_link_ok (struct TALER_EXCHANGE_RefreshLinkHandle *rlh,
       /* decode all coins */
       for (i=0;i<json_array_size (jsona);i++)
       {
+        GNUNET_assert (i + off_coin < num_coins);
 	if (GNUNET_OK !=
 	    parse_refresh_link_coin (rlh,
 				     json_array_get (jsona,