3 * folder_delmsgs.c -- "remove" SELECTED messages from a folder
11 * 1) If we are using an external rmmproc, then exec it.
12 * 2) Else if unlink_msgs is non-zero, then unlink the
14 * 3) Else rename SELECTED messages by prefixing name
15 * with a standard prefix.
17 * If there is an error, return -1, else return 0.
21 folder_delmsgs (struct msgs *mp, int unlink_msgs)
24 int msgnum, vecp, retval = 0;
25 char buf[100], *dp, **vec;
28 * If "rmmproc" is defined, exec it to remove messages.
31 /* Unset the EXISTS flag for each message to be removed */
32 for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
33 if (is_selected (mp, msgnum))
34 unset_exists (mp, msgnum);
37 /* Mark that the sequence information has changed */
38 mp->msgflags |= SEQMOD;
40 if (mp->numsel > MAXARGS - 2)
41 adios (NULL, "more than %d messages for %s exec", MAXARGS - 2,
43 vec = (char **) calloc ((size_t) (mp->numsel + 2), sizeof(*vec));
45 adios (NULL, "unable to allocate exec vector");
47 for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
48 if (is_selected (mp, msgnum) &&
49 !(vec[vecp++] = strdup (m_name (msgnum))))
50 adios (NULL, "strdup failed");
55 vec[0] = r1bindex (rmmproc, '/');
57 switch (pid = vfork()) {
59 advise ("fork", "unable to");
63 execvp (rmmproc, vec);
64 fprintf (stderr, "unable to exec ");
69 return (pidwait (pid, -1));
74 * Either unlink or rename the SELECTED messages
76 for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
77 if (is_selected (mp, msgnum)) {
78 /* unselect message */
79 unset_selected (mp, msgnum);
85 /* just unlink the messages */
86 if (unlink (dp) == -1) {
87 admonish (dp, "unable to unlink");
92 /* or rename messages with standard prefix */
93 strncpy (buf, m_backup (dp), sizeof(buf));
94 if (rename (dp, buf) == -1) {
95 admonish (buf, "unable to rename %s to", dp);
101 /* If removal was successful, decrement message count */
102 unset_exists (mp, msgnum);
109 adios (NULL, "oops, mp->numsel should be 0");
111 /* Mark that the sequence information has changed */
112 mp->msgflags |= SEQMOD;