2 ** seq_setunseen.c -- add/delete all messages which have the SELECT_UNSEEN
3 ** -- bit set to/from the Unseen-Sequence
5 ** This code is Copyright (c) 2002, by the authors of nmh. See the
6 ** COPYRIGHT file in the root directory of the nmh distribution for
7 ** complete copyright information.
13 ** We scan through the folder and act upon all messages
14 ** that are marked with the SELECT_UNSEEN bit.
16 ** If seen == 1, delete messages from unseen sequence.
17 ** If seen == 0, add messages to unseen sequence.
21 seq_setunseen(struct msgs *mp, int seen)
27 ** Get the list of sequences for Unseen-Sequence
30 if ((cp = context_find(usequence))) {
32 if (!(ap = brkstring(dp, " ", "\n")) || !*ap) {
41 ** Now add/delete each message which has the SELECT_UNSEEN
42 ** bit set to/from each of these sequences.
46 /* make sure sequence exists first */
47 if (seq_getnum(mp, *ap) != -1)
48 for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++)
49 if (is_unseen(mp, msgnum))
50 seq_delmsg(mp, *ap, msgnum);
52 for (msgnum = mp->lowmsg; msgnum <= mp->hghmsg; msgnum++)
53 if (is_unseen(mp, msgnum))
54 seq_addmsg(mp, *ap, msgnum, -1, 0);