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 "seq_setunseen.h"
  11 #include "context_find.h"
  12 #include "brkstring.h"
  13 #include "seq_getnum.h"
  14 #include "seq_del.h"
  15 #include "seq_add.h"
  16 #include "h/utils.h"
  17
  18 /*
  19  * We scan through the folder and act upon all messages
  20  * that are marked with the SELECT_UNSEEN bit.
  21  *
  22  * If seen == 1, delete messages from unseen sequence.
  23  * If seen == 0, add messages to unseen sequence.
  24  */
  25
  26 void
  27 seq_setunseen (struct msgs *mp, int seen)
  28 {
  29     int msgnum;
  30     char **ap, *cp, *dp;
  31
  32     /*
  33      * Get the list of sequences for Unseen-Sequence
  34      * and split them.
  35      */
  36     if (!(cp = context_find (usequence)))
  37         return;
  38     dp = mh_xstrdup(cp);
  39     if (!(ap = brkstring (dp, " ", "\n")) || !*ap) {
  40         free (dp);
  41         return;
  42     }
  43
  44     /*
  45      * Now add/delete each message which has the SELECT_UNSEEN
  46      * bit set to/from each of these sequences.
  47      */
  48     for (; *ap; ap++) {
  49         if (seen) {
  50             /* make sure sequence exists first */
  51             if (seq_getnum(mp, *ap) != -1)
  52                 for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++)
  53                     if (is_unseen (mp, msgnum))
  54                         seq_delmsg (mp, *ap, msgnum);
  55         } else {
  56             for (msgnum = mp->lowmsg; msgnum <= mp->hghmsg; msgnum++)
  57                 if (is_unseen (mp, msgnum))
  58                     seq_addmsg (mp, *ap, msgnum, -1, 0);
  59         }
  60     }
  61
  62     free (dp);
  63 }