diplodocus.org Git - nmh/blob - sbr/seq_setunseen.c

   1
   2 /*
   3  * seq_setunseen.c -- add/delete all messages which have the SELECT_UNSEEN
   4  *                 -- bit set to/from the Unseen-Sequence
   5  *
   6  * $Id$
   7  *
   8  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   9  * COPYRIGHT file in the root directory of the nmh distribution for
  10  * complete copyright information.
  11  */
  12
  13 #include <h/mh.h>
  14
  15 /*
  16  * We scan through the folder and act upon all messages
  17  * that are marked with the SELECT_UNSEEN bit.
  18  *
  19  * If seen == 1, delete messages from unseen sequence.
  20  * If seen == 0, add messages to unseen sequence.
  21  */
  22
  23 void
  24 seq_setunseen (struct msgs *mp, int seen)
  25 {
  26     int msgnum;
  27     char **ap, *cp, *dp;
  28
  29     /*
  30      * Get the list of sequences for Unseen-Sequence
  31      * and split them.
  32      */
  33     if ((cp = context_find (usequence))) {
  34         dp = getcpy (cp);
  35         if (!(ap = brkstring (dp, " ", "\n")) || !*ap) {
  36             free (dp);
  37             return;
  38         }
  39     } else {
  40         return;
  41     }
  42
  43     /*
  44      * Now add/delete each message which has the SELECT_UNSEEN
  45      * bit set to/from each of these sequences.
  46      */
  47     for (; *ap; ap++) {
  48         if (seen) {
  49             /* make sure sequence exists first */
  50             if (seq_getnum(mp, *ap) != -1)
  51                 for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++)
  52                     if (is_unseen (mp, msgnum))
  53                         seq_delmsg (mp, *ap, msgnum);
  54         } else {
  55             for (msgnum = mp->lowmsg; msgnum <= mp->hghmsg; msgnum++)
  56                 if (is_unseen (mp, msgnum))
  57                     seq_addmsg (mp, *ap, msgnum, -1, 0);
  58         }
  59     }
  60
  61     free (dp);
  62 }