busybox/console-tools/setconsole.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 tarball for details.
 */

#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_RDONLY), TIOCCONS, NULL);
	return EXIT_SUCCESS;
}
1	/* vi: set sw=4 ts=4: */
2	/*
3	* setconsole.c - redirect system console output
4	*
5	* Copyright (C) 2004,2005 Enrik Berkhan <Enrik.Berkhan@inka.de>
6	* Copyright (C) 2008 Bernhard Reutner-Fischer
7	*
8	* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
9	*/
10
11	#include "libbb.h"
12
13	int setconsole_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
14	int setconsole_main(int argc UNUSED_PARAM, char **argv)
15	{
16	const char *device = CURRENT_TTY;
17	bool reset;
18
19	#if ENABLE_FEATURE_SETCONSOLE_LONG_OPTIONS
20	static const char setconsole_longopts[] ALIGN1 =
21	"reset\0" No_argument "r"
22	;
23	applet_long_options = setconsole_longopts;
24	#endif
25	/* at most one non-option argument */
26	opt_complementary = "?1";
27	reset = getopt32(argv, "r");
28
29	argv += 1 + reset;
30	if (*argv) {
31	device = *argv;
32	} else {
33	if (reset)
34	device = DEV_CONSOLE;
35	}
36
37	xioctl(xopen(device, O_RDONLY), TIOCCONS, NULL);
38	return EXIT_SUCCESS;
39	}