const char *thread_id);
void
-_notmuch_thread_add_tag (notmuch_thread_t *thread, const char *tag);
-
-void
-_notmuch_thread_set_subject (notmuch_thread_t *thread, const char *subject);
+_notmuch_thread_add_message (notmuch_thread_t *thread,
+ notmuch_message_t *message);
/* message.cc */
notmuch_message_file_get_header (notmuch_message_file_t *message,
const char *header);
+/* Get the entire set of headers from an email message as a string.
+ *
+ * The returned value is owned by the notmuch message and is valid
+ * only until the message is closed. The caller should copy it if
+ * needing to modify the value or to hold onto it for longer.
+ *
+ * Returns NULL in the case of any error.
+ */
+const char *
+notmuch_message_file_get_all_headers (notmuch_message_file_t *message);
+
+/* Get the size in bytes of the full header section of 'message'.
+ *
+ * Returns 0 in the case of any error.
+ */
+size_t
+notmuch_message_file_get_header_size (notmuch_message_file_t *message);
+
/* date.c */
/* Parse an RFC 8222 date string to a time_t value.