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/*
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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