- int msgnum, prefix_len, len, *mi;
- struct msgs *mp;
- struct stat st;
- struct dirent *dp;
- DIR *dd;
-
- name = m_mailpath (name);
- if (!(dd = opendir (name))) {
- free (name);
- return NULL;
- }
-
- if (stat (name, &st) == -1) {
- free (name);
- return NULL;
- }
-
- /* Allocate the main structure for folder information */
- mp = (struct msgs *) mh_xmalloc ((size_t) sizeof(*mp));
-
- clear_folder_flags (mp);
- mp->foldpath = name;
- mp->lowmsg = 0;
- mp->hghmsg = 0;
- mp->curmsg = 0;
- mp->lowsel = 0;
- mp->hghsel = 0;
- mp->numsel = 0;
- mp->nummsg = 0;
-
- if (access (name, W_OK) == -1)
- set_readonly (mp);
- prefix_len = strlen(BACKUP_PREFIX);
-
- /*
- * Allocate a temporary place to record the
- * name of the messages in this folder.
- */
- len = NUMMSGS;
- mi = (int *) mh_xmalloc ((size_t) (len * sizeof(*mi)));
-
- while ((dp = readdir (dd))) {
- if ((msgnum = m_atoi (dp->d_name)) && msgnum > 0) {
- /*
- * Check if we need to allocate more
- * temporary elements for message names.
- */
- if (mp->nummsg >= len) {
- len += NUMMSGS;
- mi = (int *) mh_xrealloc (mi, (size_t) (len * sizeof(*mi)));
- }
-
- /* Check if this is the first message we've seen */
- if (mp->nummsg == 0) {
- mp->lowmsg = msgnum;
- mp->hghmsg = msgnum;
- } else {
- /* Check if this is it the highest or lowest we've seen? */
- if (msgnum < mp->lowmsg)
- mp->lowmsg = msgnum;
- if (msgnum > mp->hghmsg)
- mp->hghmsg = msgnum;
- }
-
- /*
- * Now increment count, and record message
- * number in a temporary place for now.
- */
- mi[mp->nummsg++] = msgnum;
-
- } else {
- switch (dp->d_name[0]) {
- case '.':
- case ',':
-#ifdef MHE
- case '+':
-#endif /* MHE */
- continue;
-
- default:
- /* skip any files beginning with backup prefix */
- if (!strncmp (dp->d_name, BACKUP_PREFIX, prefix_len))
- continue;