style fixes

src/exchange/taler-exchange-httpd_deposit.c

@@ -63,20 +63,21 @@ reply_deposit_success (struct MHD_Connection *connection,
                        const struct TALER_MerchantPublicKeyP *merchant,
                        const struct TALER_Amount *amount_without_fee)
 {
-  struct TALER_DepositConfirmationPS dc;
   struct TALER_ExchangePublicKeyP pub;
   struct TALER_ExchangeSignatureP sig;
+  struct TALER_DepositConfirmationPS dc = {
+    .purpose.purpose = htonl (TALER_SIGNATURE_EXCHANGE_CONFIRM_DEPOSIT),
+    .purpose.size = htonl (sizeof (dc)),
+    .h_contract_terms = *h_contract_terms,
+    .h_wire = *h_wire,
+    .timestamp = GNUNET_TIME_absolute_hton (timestamp),
+    .refund_deadline = GNUNET_TIME_absolute_hton (refund_deadline),
+    .coin_pub = *coin_pub,
+    .merchant = *merchant
+  };
 
-  dc.purpose.purpose = htonl (TALER_SIGNATURE_EXCHANGE_CONFIRM_DEPOSIT);
-  dc.purpose.size = htonl (sizeof (struct TALER_DepositConfirmationPS));
-  dc.h_contract_terms = *h_contract_terms;
-  dc.h_wire = *h_wire;
-  dc.timestamp = GNUNET_TIME_absolute_hton (timestamp);
-  dc.refund_deadline = GNUNET_TIME_absolute_hton (refund_deadline);
   TALER_amount_hton (&dc.amount_without_fee,
                      amount_without_fee);
-  dc.coin_pub = *coin_pub;
-  dc.merchant = *merchant;
   if (GNUNET_OK !=
       TEH_KS_sign (&dc.purpose,
                    &pub,
@@ -136,7 +137,6 @@ deposit_transaction (void *cls,
 {
   struct DepositContext *dc = cls;
   const struct TALER_EXCHANGEDB_Deposit *deposit = dc->deposit;
-  struct TALER_EXCHANGEDB_TransactionList *tl;
   struct TALER_Amount spent;
   enum GNUNET_DB_QueryStatus qs;
 
@@ -184,6 +184,9 @@ deposit_transaction (void *cls,
   /* add cost of all previous transactions; skip RECOUP as revoked
      denominations are not eligible for deposit, and if we are the old coin
      pub of a revoked coin (aka a zombie), then ONLY refresh is allowed. */
+  {
+    struct TALER_EXCHANGEDB_TransactionList *tl;
+
     qs = TEH_plugin->get_coin_transactions (TEH_plugin->cls,
                                             session,
                                             &deposit->coin.coin_pub,
@@ -193,8 +196,8 @@ deposit_transaction (void *cls,
       return qs;
     if (GNUNET_OK !=
         TALER_EXCHANGEDB_calculate_transaction_list_totals (tl,
-                                                          &spent,
+                                                            &spent, /* starting offset */
-                                                          &spent))
+                                                            &spent /* result */))
     {
       TEH_plugin->free_coin_transaction_list (TEH_plugin->cls,
                                               tl);
@@ -222,6 +225,7 @@ deposit_transaction (void *cls,
     }
     TEH_plugin->free_coin_transaction_list (TEH_plugin->cls,
                                             tl);
+  }
   qs = TEH_plugin->insert_deposit (TEH_plugin->cls,
                                    session,
                                    deposit);
@@ -396,7 +400,6 @@ TEH_handler_deposit (struct MHD_Connection *connection,
                      const struct TALER_CoinSpendPublicKeyP *coin_pub,
                      const json_t *root)
 {
-  int res;
   json_t *wire;
   enum TALER_ErrorCode ec;
   unsigned int hc;
@@ -425,6 +428,9 @@ TEH_handler_deposit (struct MHD_Connection *connection,
           0,
           sizeof (deposit));
   deposit.coin.coin_pub = *coin_pub;
+  {
+    int res;
+
     res = TALER_MHD_parse_json_data (connection,
                                      root,
                                      spec);
@@ -438,6 +444,7 @@ TEH_handler_deposit (struct MHD_Connection *connection,
       GNUNET_break_op (0);
       return MHD_YES; /* failure */
     }
+  }
   deposit.receiver_wire_account = wire;
   if (deposit.refund_deadline.abs_value_us > deposit.wire_deadline.abs_value_us)
   {
@@ -543,25 +550,33 @@ TEH_handler_deposit (struct MHD_Connection *connection,
 
   /* make sure coin is 'known' in database */
   {
-    struct TEH_DB_KnowCoinContext kcc;
     int mhd_ret;
+    struct TEH_DB_KnowCoinContext kcc = {
+      .coin = &deposit.coin,
+      .connection = connection
+    };
 
-    kcc.coin = &deposit.coin;
-    kcc.connection = connection;
     if (GNUNET_OK !=
         TEH_DB_run_transaction (connection,
                                 "know coin for deposit",
                                 &mhd_ret,
                                 &TEH_DB_know_coin_transaction,
                                 &kcc))
+    {
+      GNUNET_JSON_parse_free (spec);
       return mhd_ret;
     }
+  }
+
+  {
+    int res;
 
     res = verify_and_execute_deposit (connection,
                                       &deposit);
     GNUNET_JSON_parse_free (spec);
     return res;
   }
+}
 
 
 /* end of taler-exchange-httpd_deposit.c */

src/exchangedb/exchangedb_transactions.c

@@ -29,7 +29,7 @@
  *
  * @param tl transaction list to process
  * @param off offset to use as the starting value
- * @param[out] ret where the resulting total is to be stored
+ * @param[out] ret where the resulting total is to be stored (may alias @a off)
  * @return #GNUNET_OK on success, #GNUNET_SYSERR on errors
  */
 int

src/exchangedb/plugin_exchangedb_postgres.c

@@ -4450,24 +4450,25 @@ postgres_get_coin_transactions (
       &add_coin_recoup_refresh },
     { NULL, NULL }
   };
-  struct CoinHistoryContext chc;
   struct GNUNET_PQ_QueryParam params[] = {
     GNUNET_PQ_query_param_auto_from_type (coin_pub),
     GNUNET_PQ_query_param_end
   };
   enum GNUNET_DB_QueryStatus qs;
   const struct Work *work;
+  struct CoinHistoryContext chc = {
+    .head = NULL,
+    .status = GNUNET_DB_STATUS_SUCCESS_ONE_RESULT,
+    .coin_pub = coin_pub,
+    .session = session,
+    .pg = pg,
+    .db_cls = cls
+  };
 
   work = (GNUNET_YES == include_recoup) ? work_wp : work_op;
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
               "Getting transactions for coin %s\n",
               TALER_B2S (coin_pub));
-  chc.head = NULL;
-  chc.status = GNUNET_DB_STATUS_SUCCESS_ONE_RESULT;
-  chc.coin_pub = coin_pub;
-  chc.session = session;
-  chc.pg = pg;
-  chc.db_cls = cls;
   for (unsigned int i = 0; NULL != work[i].statement; i++)
   {
     qs = GNUNET_PQ_eval_prepared_multi_select (session->conn,