- if (packfile) {
- packfile = path (packfile, TFILE);
- if (stat (packfile, &st) == NOTOK) {
- if (errno != ENOENT)
- adios (packfile, "error on file");
- cp = concat ("Create file \"", packfile, "\"? ", NULL);
- if (noisy && !getanswer (cp))
- done (1);
- free (cp);
- }
- msgnum = map_count ();
- if ((pd = mbx_open (packfile, mbx_style, getuid(), getgid(), m_gmprot()))
- == NOTOK)
- adios (packfile, "unable to open");
- if ((pf = fdopen (pd, "w+")) == NULL)
- adios (NULL, "unable to fdopen %s", packfile);
- } else {
- hghnum = msgnum = mp->hghmsg;
- /*
- * Check if we have enough message space for all the new
- * messages. If not, then realloc the folder and add enough
- * space for all new messages plus 10 additional slots.
- */
- if (mp->hghmsg + nmsgs >= mp->hghoff
- && !(mp = folder_realloc (mp, mp->lowoff, mp->hghmsg + nmsgs + 10)))
- adios (NULL, "unable to allocate folder storage");
- }