/*
- * folder_delmsgs.c -- "remove" SELECTED messages from a folder
- *
- * This code is Copyright (c) 2002, by the authors of nmh. See the
- * COPYRIGHT file in the root directory of the nmh distribution for
- * complete copyright information.
- */
-
+** folder_delmsgs.c -- remove (= unlink) SELECTED messages from a folder
+**
+** This code is Copyright (c) 2002, by the authors of nmh. See the
+** COPYRIGHT file in the root directory of the nmh distribution for
+** complete copyright information.
+*/
+
+#include <sysexits.h>
+#include <unistd.h>
#include <h/mh.h>
/*
- * 1) If we are using an external rmmproc, then exec it.
- * 2) Else if unlink_msgs is non-zero, then unlink the
- * SELECTED messages.
- * 3) Else rename SELECTED messages by prefixing name
- * with backup_prefix.
- *
- * If there is an error, return -1, else return 0.
- */
-
+** Unlink the SELECTED messages.
+**
+** If there is an error, return -1, else return 0.
+*/
int
-folder_delmsgs (struct msgs *mp, int unlink_msgs, int nohook)
+folder_delmsgs(struct msgs *mp, int hook)
{
- pid_t pid;
- int msgnum, vecp, retval = 0;
- char buf[100], *dp, **vec;
+ int msgnum, retval = 0;
char msgpath[BUFSIZ];
- /*
- * If "rmmproc" is defined, exec it to remove messages.
- */
- if (rmmproc) {
- /* Unset the EXISTS flag for each message to be removed */
- for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
- if (is_selected (mp, msgnum))
- unset_exists (mp, msgnum);
- }
-
- /* Mark that the sequence information has changed */
- mp->msgflags |= SEQMOD;
-
- if (mp->numsel > MAXARGS - 2)
- adios (NULL, "more than %d messages for %s exec", MAXARGS - 2,
- rmmproc);
- vec = (char **) calloc ((size_t) (mp->numsel + 2), sizeof(*vec));
- if (vec == NULL)
- adios (NULL, "unable to allocate exec vector");
- vecp = 1;
- for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
- if (is_selected (mp, msgnum) &&
- !(vec[vecp++] = strdup (m_name (msgnum))))
- adios (NULL, "strdup failed");
+ for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
+ if (!is_selected(mp, msgnum)) {
+ continue;
}
- vec[vecp] = NULL;
- fflush (stdout);
- vec[0] = r1bindex (rmmproc, '/');
+ /* unselect message */
+ unset_selected(mp, msgnum);
- switch (pid = vfork()) {
- case -1:
- advise ("fork", "unable to");
- return -1;
+ snprintf(msgpath, sizeof (msgpath), "%s/%d",
+ mp->foldpath, msgnum);
- case 0:
- execvp (rmmproc, vec);
- fprintf (stderr, "unable to exec ");
- perror (rmmproc);
- _exit (-1);
-
- default:
- return (pidwait (pid, -1));
+ if (hook) {
+ /* Run the external hook on the message. */
+ ext_hook("del-hook", msgpath, NULL);
}
- }
- /*
- * Either unlink or rename the SELECTED messages
- */
- for (msgnum = mp->lowsel; msgnum <= mp->hghsel; msgnum++) {
- if (is_selected (mp, msgnum)) {
- /* unselect message */
- unset_selected (mp, msgnum);
- mp->numsel--;
-
- /*
- * Run the external hook on the message if one was specified in the context.
- * All we have is the message number; we have changed to the directory
- * containing the message. So, we need to extract that directory to form
- * the complete path. Note that the caller knows the directory, but has
- * no way of passing that to us.
- */
-
- if (!nohook) {
- (void)snprintf(msgpath, sizeof (msgpath), "%s/%d", mp->foldpath, msgnum);
- (void)ext_hook("del-hook", msgpath, (char *)0);
- }
-
- dp = m_name (msgnum);
-
- if (unlink_msgs) {
- /* just unlink the messages */
- if (unlink (dp) == -1) {
- admonish (dp, "unable to unlink");
- retval = -1;
- continue;
- }
- } else {
- /* or rename messages with standard prefix */
- strncpy (buf, m_backup (dp), sizeof(buf));
- if (rename (dp, buf) == -1) {
- admonish (buf, "unable to rename %s to", dp);
- retval = -1;
- continue;
- }
- }
-
- /* If removal was successful, decrement message count */
- unset_exists (mp, msgnum);
- mp->nummsg--;
+ /* just unlink the messages */
+ if (unlink(msgpath) == -1) {
+ admonish(msgpath, "unable to unlink");
+ retval = -1;
+ continue;
}
+
+ /* If removal was successful, decrement message count */
+ unset_exists(mp, msgnum);
+ mp->nummsg--;
}
/* Sanity check */
if (mp->numsel != 0)
- adios (NULL, "oops, mp->numsel should be 0");
+ adios(EX_SOFTWARE, NULL, "oops, mp->numsel should be 0");
/* Mark that the sequence information has changed */
mp->msgflags |= SEQMOD;
projects / mmh / blobdiff