+ InternetAddressList *list;
+ InternetAddress *address;
+ const char *from, *author;
+
+ from = notmuch_message_get_header (message, "from");
+ list = internet_address_list_parse_string (from);
+ if (list) {
+ address = internet_address_list_get_address (list, 0);
+ if (address) {
+ author = internet_address_get_name (address);
+ if (author == NULL) {
+ InternetAddressMailbox *mailbox;
+ mailbox = INTERNET_ADDRESS_MAILBOX (address);
+ author = internet_address_mailbox_get_addr (mailbox);
+ }
+ if (author) {
+ if (thread->authors)
+ thread->authors = talloc_asprintf (thread, "%s, %s",
+ thread->authors,
+ author);
+ else
+ thread->authors = talloc_strdup (thread, author);
+ }
+ }
+ g_object_unref (G_OBJECT (list));
+ }