72089cf6b4
Those two spaces after tab have no effect, and always a nuisance when editing. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* setconsole.c - redirect system console output
|
|
*
|
|
* Copyright (C) 2004,2005 Enrik Berkhan <Enrik.Berkhan@inka.de>
|
|
* Copyright (C) 2008 Bernhard Reutner-Fischer
|
|
*
|
|
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
|
|
*/
|
|
//config:config SETCONSOLE
|
|
//config: bool "setconsole (3.7 kb)"
|
|
//config: default y
|
|
//config: select PLATFORM_LINUX
|
|
//config: help
|
|
//config: This program redirects the system console to another device,
|
|
//config: like the current tty while logged in via telnet.
|
|
//config:
|
|
//config:config FEATURE_SETCONSOLE_LONG_OPTIONS
|
|
//config: bool "Enable long options"
|
|
//config: default y
|
|
//config: depends on SETCONSOLE && LONG_OPTS
|
|
|
|
//applet:IF_SETCONSOLE(APPLET(setconsole, BB_DIR_SBIN, BB_SUID_DROP))
|
|
|
|
//kbuild:lib-$(CONFIG_SETCONSOLE) += setconsole.o
|
|
|
|
//usage:#define setconsole_trivial_usage
|
|
//usage: "[-r" IF_FEATURE_SETCONSOLE_LONG_OPTIONS("|--reset") "] [DEVICE]"
|
|
//usage:#define setconsole_full_usage "\n\n"
|
|
//usage: "Redirect system console output to DEVICE (default: /dev/tty)\n"
|
|
//usage: "\n -r Reset output to /dev/console"
|
|
|
|
#include "libbb.h"
|
|
|
|
int setconsole_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
|
|
int setconsole_main(int argc UNUSED_PARAM, char **argv)
|
|
{
|
|
const char *device = CURRENT_TTY;
|
|
bool reset;
|
|
|
|
#if ENABLE_FEATURE_SETCONSOLE_LONG_OPTIONS
|
|
static const char setconsole_longopts[] ALIGN1 =
|
|
"reset\0" No_argument "r"
|
|
;
|
|
applet_long_options = setconsole_longopts;
|
|
#endif
|
|
/* at most one non-option argument */
|
|
opt_complementary = "?1";
|
|
reset = getopt32(argv, "r");
|
|
|
|
argv += 1 + reset;
|
|
if (*argv) {
|
|
device = *argv;
|
|
} else {
|
|
if (reset)
|
|
device = DEV_CONSOLE;
|
|
}
|
|
|
|
xioctl(xopen(device, O_WRONLY), TIOCCONS, NULL);
|
|
return EXIT_SUCCESS;
|
|
}
|