diff options
Diffstat (limited to 'release/src/router/busybox/init/mesg.c')
-rw-r--r-- | release/src/router/busybox/init/mesg.c | 50 |
1 files changed, 19 insertions, 31 deletions
diff --git a/release/src/router/busybox/init/mesg.c b/release/src/router/busybox/init/mesg.c index 7b8acf65..ca230f36 100644 --- a/release/src/router/busybox/init/mesg.c +++ b/release/src/router/busybox/init/mesg.c @@ -1,25 +1,12 @@ +/* vi: set sw=4 ts=4: */ /* - * mesg implementation for busybox + * mesg implementation for busybox * - * Copyright (c) 2002 Manuel Novoa III <mjn3@codepoet.org> + * Copyright (c) 2002 Manuel Novoa III <mjn3@codepoet.org> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * Licensed under the GPL v2 or later, see the file LICENSE in this tarball. */ -#include <unistd.h> -#include <stdlib.h> #include "libbb.h" #ifdef USE_TTY_GROUP @@ -28,31 +15,32 @@ #define S_IWGRP_OR_S_IWOTH (S_IWGRP | S_IWOTH) #endif -extern int mesg_main(int argc, char *argv[]) +int mesg_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; +int mesg_main(int argc, char **argv) { struct stat sb; - char *tty; - char c; + const char *tty; + char c = 0; - if ((--argc == 0) - || ((argc == 1) && (((c = **++argv) == 'y') || (c == 'n')))) { - if ((tty = ttyname(STDERR_FILENO)) == NULL) { + if (--argc == 0 + || (argc == 1 && ((c = **++argv) == 'y' || c == 'n')) + ) { + tty = xmalloc_ttyname(STDERR_FILENO); + if (tty == NULL) { tty = "ttyname"; } else if (stat(tty, &sb) == 0) { + mode_t m; if (argc == 0) { - puts(((sb.st_mode & (S_IWGRP | S_IWOTH)) == - 0) ? "is n" : "is y"); + puts((sb.st_mode & (S_IWGRP|S_IWOTH)) ? "is y" : "is n"); return EXIT_SUCCESS; } - if (chmod - (tty, - (c == - 'y') ? sb.st_mode | (S_IWGRP_OR_S_IWOTH) : sb. - st_mode & ~(S_IWGRP | S_IWOTH)) == 0) { + m = (c == 'y') ? sb.st_mode | S_IWGRP_OR_S_IWOTH + : sb.st_mode & ~(S_IWGRP|S_IWOTH); + if (chmod(tty, m) == 0) { return EXIT_SUCCESS; } } - bb_perror_msg_and_die("%s", tty); + bb_simple_perror_msg_and_die(tty); } bb_show_usage(); } |