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

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