2 * mesg implementation for busybox
4 * Copyright (c) 2002 Manuel Novoa III <mjn3@codepoet.org>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
26 #define S_IWGRP_OR_S_IWOTH S_IWGRP
28 #define S_IWGRP_OR_S_IWOTH (S_IWGRP | S_IWOTH)
31 extern int mesg_main(int argc, char *argv[])
38 || ((argc == 1) && (((c = **++argv) == 'y') || (c == 'n')))) {
39 if ((tty = ttyname(STDERR_FILENO)) == NULL) {
41 } else if (stat(tty, &sb) == 0) {
43 puts(((sb.st_mode & (S_IWGRP | S_IWOTH)) ==
44 0) ? "is n" : "is y");
50 'y') ? sb.st_mode | (S_IWGRP_OR_S_IWOTH) : sb.
51 st_mode & ~(S_IWGRP | S_IWOTH)) == 0) {
55 perror_msg_and_die("%s", tty);