diff options
Diffstat (limited to 'src/messenger/gnunet-service-messenger_list_messages.c')
-rw-r--r-- | src/messenger/gnunet-service-messenger_list_messages.c | 76 |
1 files changed, 76 insertions, 0 deletions
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 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | Copyright (C) 2020 GNUnet e.V. | ||
4 | |||
5 | GNUnet is free software: you can redistribute it and/or modify it | ||
6 | under the terms of the GNU Affero General Public License as published | ||
7 | by the Free Software Foundation, either version 3 of the License, | ||
8 | or (at your option) any later version. | ||
9 | |||
10 | GNUnet is distributed in the hope that it will be useful, but | ||
11 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Affero General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Affero General Public License | ||
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
17 | |||
18 | SPDX-License-Identifier: AGPL3.0-or-later | ||
19 | */ | ||
20 | /** | ||
21 | * @author Tobias Frisch | ||
22 | * @file src/messenger/gnunet-service-messenger_list_messages.c | ||
23 | * @brief GNUnet MESSENGER service | ||
24 | */ | ||
25 | |||
26 | #include "gnunet-service-messenger_list_messages.h" | ||
27 | |||
28 | void | ||
29 | init_list_messages (struct GNUNET_MESSENGER_ListMessages *messages) | ||
30 | { | ||
31 | GNUNET_assert(messages); | ||
32 | |||
33 | messages->head = NULL; | ||
34 | messages->tail = NULL; | ||
35 | } | ||
36 | |||
37 | void | ||
38 | clear_list_messages (struct GNUNET_MESSENGER_ListMessages *messages) | ||
39 | { | ||
40 | GNUNET_assert(messages); | ||
41 | |||
42 | while (messages->head) | ||
43 | { | ||
44 | struct GNUNET_MESSENGER_ListMessage *element = messages->head; | ||
45 | |||
46 | GNUNET_CONTAINER_DLL_remove(messages->head, messages->tail, element); | ||
47 | GNUNET_free(element); | ||
48 | } | ||
49 | |||
50 | messages->head = NULL; | ||
51 | messages->tail = NULL; | ||
52 | } | ||
53 | |||
54 | void | ||
55 | add_to_list_messages (struct GNUNET_MESSENGER_ListMessages *messages, const struct GNUNET_HashCode *hash) | ||
56 | { | ||
57 | struct GNUNET_MESSENGER_ListMessage *element = GNUNET_new(struct GNUNET_MESSENGER_ListMessage); | ||
58 | |||
59 | GNUNET_memcpy(&(element->hash), hash, sizeof(struct GNUNET_HashCode)); | ||
60 | |||
61 | GNUNET_CONTAINER_DLL_insert_tail(messages->head, messages->tail, element); | ||
62 | } | ||
63 | |||
64 | void | ||
65 | remove_from_list_messages (struct GNUNET_MESSENGER_ListMessages *messages, const struct GNUNET_HashCode *hash) | ||
66 | { | ||
67 | struct GNUNET_MESSENGER_ListMessage *element; | ||
68 | |||
69 | for (element = messages->head; element; element = element->next) | ||
70 | if (0 == GNUNET_CRYPTO_hash_cmp (&(element->hash), hash)) | ||
71 | { | ||
72 | GNUNET_CONTAINER_DLL_remove(messages->head, messages->tail, element); | ||
73 | GNUNET_free(element); | ||
74 | break; | ||
75 | } | ||
76 | } | ||