message: add flags to notmuch_message_t

This patch allows for different flags, internal to notmuch, to be set on a
message object.  The patch does not define any such flags, just the
facilities to manage these flags.

Signed-off-by: Bart Trojanowski <bart@jukie.net>

1 files changed, 14 insertions, 0 deletions

diff --git a/lib/notmuch.h b/lib/notmuch.h
index 9fa27701..293a859b 100644
--- a/lib/notmuch.h
+++ b/lib/notmuch.h
@@ -709,6 +709,20 @@ notmuch_message_get_replies (notmuch_message_t *message);
 const char *
 notmuch_message_get_filename (notmuch_message_t *message);
 
+/* Message flags */
+typedef enum _notmuch_message_flag {
+} notmuch_message_flag_t;
+
+/* Get a value of a flag for the email corresponding to 'message'. */
+notmuch_bool_t
+notmuch_message_get_flag (notmuch_message_t *message,
+			  notmuch_message_flag_t flag);
+
+/* Set a value of a flag for the email corresponding to 'message'. */
+void
+notmuch_message_set_flag (notmuch_message_t *message,
+			  notmuch_message_flag_t flag, notmuch_bool_t value);
+
 /* Get the date of 'message' as a time_t value.
  *
  * For the original textual representation of the Date header from the