+/* Function Name: SortAfter
+ * Description: choose a sortkey to cause an item to be added after
+ * the count element in the queue
+ * Arguments: queue of filesys names & sortkeys, queue count pointer
+ * Returns: sort key to use.
+ */
+
+/* ARGSUSED */
+char *
+SortAfter(elem, count)
+struct qelem *elem;
+int count;
+{
+ char *prev, *next, prevnext, *key, keybuf[9];
+
+ /* first find the two keys we need to insert between */
+ prev = "A";
+ for (; count > 0; count--) {
+ prev = ((char **)elem->q_data)[1];
+ if (elem->q_forw)
+ elem = elem->q_forw;
+ else
+ break;
+ }
+ if (count > 0)
+ next = "Z";
+ else
+ next = ((char **)elem->q_data)[1];
+
+ /* now copy the matching characters */
+ for (key = keybuf; *prev && *prev == *next; next++) {
+ *key++ = *prev++;
+ }
+
+ /* and set the last character */
+ if (*prev == 0)
+ *prev = prevnext = 'A';
+ else
+ prevnext = prev[1];
+ if (prevnext == 0)
+ prevnext = 'A';
+ if (*next == 0)
+ *next = 'Z';
+ if (*next - *prev > 1) {
+ *key++ = (*next + *prev)/2;
+ } else {
+ *key++ = *prev;
+ *key++ = (prevnext + 'Z')/2;
+ }
+ *key = 0;
+ return(Strsave(keybuf));
+}
+
+/* Function Name: AddFSToGroup
+ * Description: add a filesystem to an FS group
+ * Arguments: arc, argv - name of group in argv[1], filesys in argv[2].
+ * Returns: DM_NORMAL.
+ */
+
+/* ARGSUSED */
+int
+AddFSToGroup(argc, argv)
+char **argv;
+int argc;
+{
+ int stat, count;
+ struct qelem *elem = NULL;
+ char buf[BUFSIZ], *args[5], *bufp;
+
+ if ((stat = do_mr_query("get_fsgroup_members", 1, argv+1, StoreInfo,
+ (char *)&elem)) != 0) {
+ if (stat != MR_NO_MATCH)
+ com_err(program_name, stat, " in AddFSToGroup");
+ }
+ if (elem == NULL) {
+ args[0] = argv[1];
+ args[1] = argv[2];
+ args[2] = "M";
+ stat = do_mr_query("add_filesys_to_fsgroup", 3, args, Scream, NULL);
+ if (stat)
+ com_err(program_name, stat, " in AddFSToGroup");
+ return(DM_NORMAL);
+ }
+ elem = QueueTop(elem);
+ fsgCount = 1;
+ Loop(elem, (void *) PrintFSGMembers);
+ sprintf(buf, "%d", QueueCount(elem));
+ bufp = Strsave(buf);
+ if (GetValueFromUser("Enter number of filesystem it should follow (0 to make it first):", &bufp) == SUB_ERROR)
+ return(DM_NORMAL);
+ count = atoi(bufp);
+ free(bufp);
+ args[2] = SortAfter(elem, count);
+
+ FreeQueue(QueueTop(elem));
+ args[0] = argv[1];
+ args[1] = argv[2];
+ stat = do_mr_query("add_filesys_to_fsgroup", 3, args, Scream, NULL);
+ if (stat == MR_EXISTS) {
+ Put_message("That filesystem is already a member of the group.");
+ Put_message("Use the order command if you want to change the sorting order.");
+ } else if (stat)
+ com_err(program_name, stat, " in AddFSToGroup");
+ return(DM_NORMAL);
+}
+
+
+/* Function Name: RemoveFSFromGroup
+ * Description: delete a filesystem from an FS group
+ * Arguments: arc, argv - name of group in argv[1].
+ * Returns: DM_NORMAL.
+ */
+
+/* ARGSUSED */
+int
+RemoveFSFromGroup(argc, argv)
+char **argv;
+int argc;
+{
+ int stat;
+ char buf[BUFSIZ];
+
+ sprintf(buf, "Delete filesystem %s from FS group %s", argv[2], argv[1]);
+ if (!Confirm(buf))
+ return(DM_NORMAL);
+ if ((stat = do_mr_query("remove_filesys_from_fsgroup", 2, argv+1,
+ Scream, NULL)) != 0) {
+ com_err(program_name, stat, ", not removed.");
+ }
+ return(DM_NORMAL);
+}
+
+/* Function Name: ChangeFSGroupOrder
+ * Description: change the sortkey on a filesys in an FSgroup
+ * Arguments: arc, argv - name of group in argv[1].
+ * Returns: DM_NORMAL.
+ */
+
+/* ARGSUSED */
+int
+ChangeFSGroupOrder(argc, argv)
+char **argv;
+int argc;
+{
+ int stat, src, dst, i;
+ struct qelem *elem = NULL, *top, *tmpelem;
+ char buf[BUFSIZ], *bufp, *args[3];
+
+ if ((stat = do_mr_query("get_fsgroup_members", 1, argv+1, StoreInfo,
+ (char *)&elem)) != 0) {
+ if (stat == MR_NO_MATCH) {
+ sprintf(buf,
+ "Ether %s is not a filesystem group or it has no members",
+ argv[1]);
+ Put_message(buf);
+ } else
+ com_err(program_name, stat, " in ChangeFSGroupOrder");
+ return(DM_NORMAL);
+ }
+ top = QueueTop(elem);
+ fsgCount = 1;
+ Loop(top, (void *) PrintFSGMembers);
+ while (1) {
+ bufp = Strsave("1");
+ if (GetValueFromUser("Enter number of the filesystem to move:",
+ &bufp) == SUB_ERROR)
+ return(DM_NORMAL);
+ src = atoi(bufp);
+ free(bufp);
+ if (src < 0) {
+ Put_message("You must enter a positive number (or 0 to abort).");
+ continue;
+ } else if (src == 0) {
+ Put_message("Aborted.");
+ return(DM_NORMAL);
+ }
+ for (elem = top, i = src; i-- > 1 && elem->q_forw; elem = elem->q_forw);
+ if (i > 0) {
+ Put_message("You entered a number that is too high");
+ continue;
+ }
+ break;
+ }
+ while (1) {
+ bufp = Strsave("0");
+ if (GetValueFromUser("Enter number of filesystem it should follow (0 to make it first):", &bufp) == SUB_ERROR)
+ return(DM_NORMAL);
+ dst = atoi(bufp);
+ free(bufp);
+ if (src == dst || src == dst + 1) {
+ Put_message("That has no effect on the sorting order!");
+ return(DM_NORMAL);
+ }
+ if (dst < 0) {
+ Put_message("You must enter a non-negative number.");
+ continue;
+ }
+ for (tmpelem = top, i = dst;
+ i-- > 1 && tmpelem->q_forw;
+ tmpelem = tmpelem->q_forw);
+ if (i > 0) {
+ Put_message("You entered a number that is too high");
+ continue;
+ }
+ break;
+ }
+ args[2] = SortAfter(top, dst);
+ args[0] = argv[1];
+ args[1] = ((char **)elem->q_data)[0];
+ if ((stat = do_mr_query("remove_filesys_from_fsgroup", 2, args,
+ Scream, NULL)) != 0) {
+ com_err(program_name, stat, " in ChangeFSGroupOrder");
+ return(DM_NORMAL);
+ }
+ if ((stat = do_mr_query("add_filesys_to_fsgroup", 3, args,
+ Scream, NULL)) != 0) {
+ com_err(program_name, stat, " in ChangeFSGroupOrder");
+ }
+ return(DM_NORMAL);
+}
+
+