From ca912f85dae6b61dd80ab02d0e3f0b20a556da7c Mon Sep 17 00:00:00 2001
From: TheJackiMonster <thejackimonster@gmail.com>
Date: Thu, 12 Nov 2020 20:58:07 +0100
Subject: -remerge branch 'jacki/messenger'

This reverts commit e11d1e59e4ae5f7d89c33df3ae9ca8f1ece990cf.
---
 .../gnunet-service-messenger_list_messages.c       | 76 ++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 src/messenger/gnunet-service-messenger_list_messages.c

(limited to 'src/messenger/gnunet-service-messenger_list_messages.c')

diff --git a/src/messenger/gnunet-service-messenger_list_messages.c b/src/messenger/gnunet-service-messenger_list_messages.c
new file mode 100644
index 000000000..c4f1f7043
--- /dev/null
+++ b/src/messenger/gnunet-service-messenger_list_messages.c
@@ -0,0 +1,76 @@
+/*
+   This file is part of GNUnet.
+   Copyright (C) 2020 GNUnet e.V.
+
+   GNUnet is free software: you can redistribute it and/or modify it
+   under the terms of the GNU Affero General Public License as published
+   by the Free Software Foundation, either version 3 of the License,
+   or (at your option) any later version.
+
+   GNUnet 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
+   Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+   SPDX-License-Identifier: AGPL3.0-or-later
+ */
+/**
+ * @author Tobias Frisch
+ * @file src/messenger/gnunet-service-messenger_list_messages.c
+ * @brief GNUnet MESSENGER service
+ */
+
+#include "gnunet-service-messenger_list_messages.h"
+
+void
+init_list_messages (struct GNUNET_MESSENGER_ListMessages *messages)
+{
+  GNUNET_assert(messages);
+
+  messages->head = NULL;
+  messages->tail = NULL;
+}
+
+void
+clear_list_messages (struct GNUNET_MESSENGER_ListMessages *messages)
+{
+  GNUNET_assert(messages);
+
+  while (messages->head)
+  {
+    struct GNUNET_MESSENGER_ListMessage *element = messages->head;
+
+    GNUNET_CONTAINER_DLL_remove(messages->head, messages->tail, element);
+    GNUNET_free(element);
+  }
+
+  messages->head = NULL;
+  messages->tail = NULL;
+}
+
+void
+add_to_list_messages (struct GNUNET_MESSENGER_ListMessages *messages, const struct GNUNET_HashCode *hash)
+{
+  struct GNUNET_MESSENGER_ListMessage *element = GNUNET_new(struct GNUNET_MESSENGER_ListMessage);
+
+  GNUNET_memcpy(&(element->hash), hash, sizeof(struct GNUNET_HashCode));
+
+  GNUNET_CONTAINER_DLL_insert_tail(messages->head, messages->tail, element);
+}
+
+void
+remove_from_list_messages (struct GNUNET_MESSENGER_ListMessages *messages, const struct GNUNET_HashCode *hash)
+{
+  struct GNUNET_MESSENGER_ListMessage *element;
+
+  for (element = messages->head; element; element = element->next)
+    if (0 == GNUNET_CRYPTO_hash_cmp (&(element->hash), hash))
+    {
+      GNUNET_CONTAINER_DLL_remove(messages->head, messages->tail, element);
+      GNUNET_free(element);
+      break;
+    }
+}
-- 
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