1 files changed, 118 insertions, 0 deletions
diff --git a/src/mint/plugin_mintdb_common.c b/src/mint/plugin_mintdb_common.c
new file mode 100644
index 000000000..a95cf4be2
--- /dev/null
+++ b/src/mint/plugin_mintdb_common.c
@@ -0,0 +1,118 @@
+/*
+  This file is part of TALER
+  Copyright (C) 2015 Christian Grothoff (and other contributing authors)
+
+  TALER is free software; you can redistribute it and/or modify it under the
+  terms of the GNU General Public License as published by the Free Software
+  Foundation; either version 3, or (at your option) any later version.
+
+  TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+  A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License along with
+  TALER; see the file COPYING.  If not, If not, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file mint/plugin_mintdb_common.c
+ * @brief Functions shared across plugins, this file is meant to be
+ *        #include-d in each plugin.
+ * @author Christian Grothoff
+ */
+
+/**
+ * Free memory associated with the given reserve history.
+ *
+ * @param cls the @e cls of this struct with the plugin-specific state (unused)
+ * @param rh history to free.
+ */
+static void
+common_free_reserve_history (void *cls,
+                             struct ReserveHistory *rh)
+{
+  struct BankTransfer *bt;
+  struct CollectableBlindcoin *cbc;
+  struct ReserveHistory *backref;
+
+  while (NULL != rh)
+  {
+    switch(rh->type)
+    {
+    case TALER_MINT_DB_RO_BANK_TO_MINT:
+      bt = rh->details.bank;
+      if (NULL != bt->wire)
+        json_decref (bt->wire);
+      GNUNET_free (bt);
+      break;
+    case TALER_MINT_DB_RO_WITHDRAW_COIN:
+      cbc = rh->details.withdraw;
+      GNUNET_CRYPTO_rsa_signature_free (cbc->sig.rsa_signature);
+      GNUNET_CRYPTO_rsa_public_key_free (cbc->denom_pub.rsa_public_key);
+      GNUNET_free (cbc);
+      break;
+    }
+    backref = rh;
+    rh = rh->next;
+    GNUNET_free (backref);
+  }
+}
+
+
+/**
+ * Free memory of the link data list.
+ *
+ * @param cls the @e cls of this struct with the plugin-specific state (unused)
+ * @param ldl link data list to release
+ */
+static void
+common_free_link_data_list (void *cls,
+                            struct LinkDataList *ldl)
+{
+  struct LinkDataList *next;
+
+  while (NULL != ldl)
+  {
+    next = ldl->next;
+    GNUNET_free (ldl->link_data_enc);
+    GNUNET_free (ldl);
+    ldl = next;
+  }
+}
+
+
+/**
+ * Free linked list of transactions.
+ *
+ * @param cls the @e cls of this struct with the plugin-specific state (unused)
+ * @param list list to free
+ */
+static void
+common_free_coin_transaction_list (void *cls,
+                                   struct TALER_MINT_DB_TransactionList *list)
+{
+  struct TALER_MINT_DB_TransactionList *next;
+
+  while (NULL != list)
+  {
+    next = list->next;
+
+    switch (list->type)
+    {
+    case TALER_MINT_DB_TT_DEPOSIT:
+      json_decref (list->details.deposit->wire);
+      GNUNET_free (list->details.deposit);
+      break;
+    case TALER_MINT_DB_TT_REFRESH_MELT:
+      GNUNET_free (list->details.melt);
+      break;
+    case TALER_MINT_DB_TT_LOCK:
+      GNUNET_free (list->details.lock);
+      /* FIXME: look at this again once locking is implemented (#3625) */
+      break;
+    }
+    GNUNET_free (list);
+    list = next;
+  }
+}
+
+/* end of plugin_mintdb_common.c */