diplodocus.org Git - nmh/blob - docs/historical/mh-6.8.5/sbr/m_setvis.c

   1 /* m_setvis.c - set the unseen-sequence */
   2
   3 #include "../h/mh.h"
   4 #include <stdio.h>
   5
   6
   7 void m_setvis (mp, seen)
   8 register struct msgs *mp;
   9 int     seen;
  10 {
  11     register int    msgnum;
  12     register char  *cp,
  13                    *dp,
  14                   **ap;
  15
  16     dp = NULL;
  17     if ((cp = m_find (usequence)) == NULL
  18             || (ap = brkstring (dp = getcpy (cp), " ", "\n")) == NULL
  19             || *ap == NULL) {
  20         if (dp)
  21             free (dp);
  22         return;
  23     }
  24
  25     for (; *ap; ap++)
  26         if (seen) {
  27             if (m_seqflag (mp, *ap))
  28                 for (msgnum = mp -> lowsel; msgnum <= mp -> hghsel; msgnum++)
  29                     if (mp -> msgstats[msgnum] & UNSEEN)
  30                         (void) m_seqdel (mp, *ap, msgnum);
  31         }
  32         else
  33             for (msgnum = mp -> lowmsg; msgnum <= mp -> hghmsg; msgnum++)
  34                 if (mp -> msgstats[msgnum] & UNSEEN)
  35                     (void) m_seqadd (mp, *ap, msgnum, -1);
  36
  37     if (dp)
  38         free (dp);
  39 }