busybox/console-tools/setconsole.c
Bernhard Reutner-Fischer ae4342ca3e - Rename getpty() to xgetpty() and adjust callers.
- Rewrite kbd_mode and setconsole
- Introduce and use console_make_active() and xopen_xwrite_close()
- honour buffer-reservation method as set by the user (dumpkmap, loadkmap)
- shrink rtcwake and some console-tools

  Saves about 270 Bytes
2008-05-19 08:18:50 +00:00

40 lines
926 B
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 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 ATTRIBUTE_UNUSED argc, 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;
}