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