[GNUnet-SVN] [taler-exchange] 03/04: add assertion to be more defensive against buffer overflow (cannot happen, but this better protects against future changes)

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grothoff pushed a commit to branch master
in repository exchange.

commit dc883f8556f34b324dd7677ab21c3d2840fd38a9
Author: Christian Grothoff <address@hidden>
AuthorDate: Fri Oct 6 21:27:58 2017 +0200

    add assertion to be more defensive against buffer overflow (cannot happen, 
but this better protects against future changes)
---
 src/exchange-lib/exchange_api_refresh_link.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/exchange-lib/exchange_api_refresh_link.c 
b/src/exchange-lib/exchange_api_refresh_link.c
index 5b2286e..ca55668 100644
--- 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,

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