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 #include <h/utils.h>
  13
  14 /*
  15  * We scan through the folder and act upon all messages
  16  * that are marked with the SELECT_UNSEEN bit.
  17  *
  18  * If seen == 1, delete messages from unseen sequence.
  19  * If seen == 0, add messages to unseen sequence.
  20  */
  21
  22 void
  23 seq_setunseen (struct msgs *mp, int seen)
  24 {
  25     int msgnum;
  26     char **ap, *cp, *dp;
  27
  28     /*
  29      * Get the list of sequences for Unseen-Sequence
  30      * and split them.
  31      */
  32     if ((cp = context_find (usequence))) {
  33         dp = mh_xstrdup(cp);
  34         if (!(ap = brkstring (dp, " ", "\n")) || !*ap) {
  35             free (dp);
  36             return;
  37         }
  38     } else {
  39         return;
  40     }
  41
  42     /*
  43      * Now add/delete each message which has the SELECT_UNSEEN
  44      * bit set to/from each of these sequences.
  45      */
  46     for (; *ap; ap++) {
  47         if (seen) {
  48             /* make sure sequence exists first */
  49             if (seq_getnum(mp, *ap) != -1)
  50                 for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++)
  51                     if (is_unseen (mp, msgnum))
  52                         seq_delmsg (mp, *ap, msgnum);
  53         } else {
  54             for (msgnum = mp->lowmsg; msgnum <= mp->hghmsg; msgnum++)
  55                 if (is_unseen (mp, msgnum))
  56                     seq_addmsg (mp, *ap, msgnum, -1, 0);
  57         }
  58     }
  59
  60     free (dp);
  61 }