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_getnum.h"
  11 #include "seq_del.h"
  12 #include "seq_add.h"
  13 #include "h/utils.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         return;
  35     dp = mh_xstrdup(cp);
  36     if (!(ap = brkstring (dp, " ", "\n")) || !*ap) {
  37         free (dp);
  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 }