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

2017-10-06 21:27:58 +02:00 · 2017-10-06 21:27:58 +02:00 · dc883f8556
commit dc883f8556
parent 8f08e4634f
1 changed files with 1 additions and 0 deletions
--- 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,