Finish imap mailbox implementation.

Some features are missing (notably, quick access), but overall the
implementation offers all necessary features and performs a lot
better than 2.x.

Additionally, this commit fixes a minor bug in the imap4d implementation:
the STORE command did not accept empty flag list.

* NEWS: Update.
* imap4d/store.c (store_thunk): Accept empty list as "items" argument.

* include/mailutils/imap.h (mu_imap_store_flags): New proto.
* include/mailutils/imaputil.h (mu_imap_format_flags): Add new argument.
* include/mailutils/sys/imap.h (_MU_IMAP_MSG_ATTRCHG): New flag.
* libmailutils/imapio/flags.c: Accept three arguments, last one being
a boolean flag specifying whether we want \Recent in the output.
* libproto/imap/storeflg.c: New flag.
* libproto/imap/Makefile.am (libmu_imap_la_SOURCES): Add storeflg.c.
* libproto/imap/mbox.c: Finish the basic implementation.

* imap4d/sync.c: Update calls to mu_imap_format_flags.
* imap4d/util.c: Likewise.
* mu/imap.c: Likewise.
* libmailutils/imapio/sendflg.c (mu_imapio_send_flags): Likewise.

1 files changed, 3 insertions, 3 deletions

diff --git a/mu/imap.c b/mu/imap.c
index c280740df..0069ff541 100644
--- a/mu/imap.c
+++ b/mu/imap.c
@@ -422,7 +422,7 @@ fetch_response_printer (void *item, void *data)
       
     case MU_IMAP_FETCH_FLAGS:
       mu_stream_printf (str, "  flags = ");
-      mu_imap_format_flags (str, resp->flags.flags);
+      mu_imap_format_flags (str, resp->flags.flags, 1);
       mu_stream_printf (str, "\n");
       break;
       
@@ -796,13 +796,13 @@ print_imap_stats (struct mu_imap_stat *st)
   if (st->flags & MU_IMAP_STAT_DEFINED_FLAGS)
     {
       mu_printf (_("Flags defined: "));
-      mu_imap_format_flags (mu_strout, st->defined_flags);
+      mu_imap_format_flags (mu_strout, st->defined_flags, 0);
       mu_printf ("\n");
     }
   if (st->flags & MU_IMAP_STAT_PERMANENT_FLAGS)
     {
       mu_printf (_("Flags permanent: "));
-      mu_imap_format_flags (mu_strout, st->permanent_flags);
+      mu_imap_format_flags (mu_strout, st->permanent_flags, 0);
       mu_printf ("\n");
     }