3 * folder_pack.c -- pack (renumber) the messages in a folder
4 * -- into a contiguous range from 1 to n.
12 * Pack the message in a folder.
13 * Return -1 if error, else return 0.
17 folder_pack (struct msgs **mpp, int verbose)
19 int hole, msgnum, newcurrent = 0;
20 char newmsg[BUFSIZ], oldmsg[BUFSIZ];
26 * Just return if folder is empty.
32 * Make sure we have message status space allocated
33 * for all numbers from 1 to current high message.
36 if ((mp = folder_realloc (mp, 1, mp->hghmsg)))
39 advise (NULL, "unable to allocate folder storage");
44 for (msgnum = mp->lowmsg, hole = 1; msgnum <= mp->hghmsg; msgnum++) {
45 if (does_exist (mp, msgnum)) {
47 strncpy (newmsg, m_name (hole), sizeof(newmsg));
48 strncpy (oldmsg, m_name (msgnum), sizeof(oldmsg));
50 printf ("message %s becomes %s\n", oldmsg, newmsg);
52 /* move the message file */
53 if (rename (oldmsg, newmsg) == -1) {
54 advise (newmsg, "unable to rename %s to", oldmsg);
58 /* check if this is the current message */
59 if (msgnum == mp->curmsg)
62 /* copy the attribute flags for this message */
63 copy_msg_flags (mp, hole, msgnum);
65 if (msgnum == mp->lowsel)
67 if (msgnum == mp->hghsel)
70 /* mark that sequence information has been modified */
71 mp->msgflags |= SEQMOD;
77 /* record the new number for the high/low message */
79 mp->hghmsg = hole - 1;
81 /* update the "cur" sequence */
83 seq_setcur (mp, newcurrent);