/*
* Copyright (c) 1987, 1993
* The Regents of the University of California. All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Modified Fri Mar 10 20:27:19 1995, faith@cs.unc.edu, for Linux
* Modified Mon Jul 1 18:14:10 1996, janl@ifi.uio.no, writing to stdout
* as suggested by Michael Meskes <meskes@Informatik.RWTH-Aachen.DE>
*
* 1999-02-22 Arkadiusz Mi¶kiewicz <misiek@pld.ORG.PL>
* - added Native Language Support
*
* 2010-12-01 Marek Polacek <mmpolacek@gmail.com>
* - cleanups
*/
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "nls.h"
int main(int argc, char *argv[])
{
struct stat sb;
char *tty;
int ch;
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
while ((ch = getopt(argc, argv, "")) != -1)
switch (ch) {
case '?':
default:
goto usage;
}
argc -= optind;
argv += optind;
if ((tty = ttyname(STDERR_FILENO)) == NULL)
err(EXIT_FAILURE, _("ttyname failed"));
if (stat(tty, &sb) < 0)
err(EXIT_FAILURE, _("stat %s failed"), tty);
if (!*argv) {
if (sb.st_mode & (S_IWGRP | S_IWOTH)) {
puts(_("is y"));
return EXIT_SUCCESS;
}
puts(_("is n"));
return EXIT_FAILURE;
}
switch (*argv[0]) {
case 'y':
#ifdef USE_TTY_GROUP
if (chmod(tty, sb.st_mode | S_IWGRP) < 0)
#else
if (chmod(tty, sb.st_mode | S_IWGRP | S_IWOTH) < 0)
#endif
err(EXIT_FAILURE, _("change %s mode failed"), tty);
return EXIT_SUCCESS;
case 'n':
if (chmod(tty, sb.st_mode & ~(S_IWGRP|S_IWOTH)) < 0)
err(EXIT_FAILURE, _("change %s mode failed"), tty);
return EXIT_FAILURE;
}
usage:
fprintf(stderr, _("Usage: %s [y | n]"), program_invocation_short_name);
return EXIT_FAILURE;
}
