1 files changed, 35 insertions, 7 deletions

diff --git a/src/messenger/gnunet-service-messenger_list_messages.h b/src/messenger/gnunet-service-messenger_list_messages.h
index 266c30ec6..9ace84cbf 100644
--- a/src/messenger/gnunet-service-messenger_list_messages.h
+++ b/src/messenger/gnunet-service-messenger_list_messages.h
@@ -1,6 +1,6 @@
 /*
    This file is part of GNUnet.
-   Copyright (C) 2020 GNUnet e.V.
+   Copyright (C) 2020--2021 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
@@ -29,6 +29,7 @@
 #include "platform.h"
 #include "gnunet_crypto_lib.h"
 #include "gnunet_container_lib.h"
+#include "gnunet_disk_lib.h"
 
 struct GNUNET_MESSENGER_ListMessage
 {
@@ -47,7 +48,7 @@ struct GNUNET_MESSENGER_ListMessages
 /**
  * Initializes list of message hashes as empty list.
  *
- * @param messages List of hashes
+ * @param[out] messages List of hashes
  */
 void
 init_list_messages (struct GNUNET_MESSENGER_ListMessages *messages);
@@ -55,7 +56,7 @@ init_list_messages (struct GNUNET_MESSENGER_ListMessages *messages);
 /**
  * Clears the list of message hashes.
  *
- * @param messages List of hashes
+ * @param[in/out] messages List of hashes
  */
 void
 clear_list_messages (struct GNUNET_MESSENGER_ListMessages *messages);
@@ -63,19 +64,46 @@ clear_list_messages (struct GNUNET_MESSENGER_ListMessages *messages);
 /**
  * Adds a specific <i>hash</i> from a message to the end of the list.
  *
- * @param messages List of hashes
- * @param hash Hash of message
+ * @param[in/out] messages List of hashes
+ * @param[in] hash Hash of message
  */
 void
 add_to_list_messages (struct GNUNET_MESSENGER_ListMessages *messages, const struct GNUNET_HashCode *hash);
 
 /**
+ * Copies all message hashes from an <i>origin</i> to another list.
+ *
+ * @param[in/out] messages Destination list of hashes
+ * @param[in] origin Source list of hashes
+ */
+void
+copy_list_messages (struct GNUNET_MESSENGER_ListMessages *messages, const struct GNUNET_MESSENGER_ListMessages *origin);
+
+/**
  * Removes the first entry with a matching <i>hash</i> from the list.
  *
- * @param messages List of hashes
- * @param hash Hash of message
+ * @param[in/out] messages List of hashes
+ * @param[in] hash Hash of message
  */
 void
 remove_from_list_messages (struct GNUNET_MESSENGER_ListMessages *messages, const struct GNUNET_HashCode *hash);
 
+/**
+ * Loads the list of message hashes from a file under a given <i>path</i>.
+ *
+ * @param[out] messages List of hashes
+ * @param[in] path Path of file
+ */
+void
+load_list_messages (struct GNUNET_MESSENGER_ListMessages *messages, const char *path);
+
+/**
+ * Saves the list of message hashes to a file under a given <i>path</i>.
+ *
+ * @param[in] messages List of hashes
+ * @param[in] path Path of file
+ */
+void
+save_list_messages (struct GNUNET_MESSENGER_ListMessages *messages, const char *path);
+
 #endif //GNUNET_SERVICE_MESSENGER_LIST_MESSAGES_H