busybox/console-tools/setconsole.c
Denis Vlasenko fe7cd642b0 don't pass argc in getopt32, it's superfluous
(add/remove: 0/0 grow/shrink: 12/131 up/down: 91/-727) Total: -636 bytes
   text    data     bss     dec     hex filename
 773469    1058   11092  785619   bfcd3 busybox_old
 772644    1058   11092  784794   bf99a busybox_unstripped
2007-08-18 15:32:12 +00:00

47 lines
1002 B
C

/* vi: set sw=4 ts=4: */
/*
* setconsole.c - redirect system console output
*
* Copyright (C) 2004,2005 Enrik Berkhan <Enrik.Berkhan@inka.de>
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
#include <getopt.h>
#include "libbb.h"
#if ENABLE_FEATURE_SETCONSOLE_LONG_OPTIONS
static const char setconsole_longopts[] ALIGN1 =
"reset\0" No_argument "r"
;
#endif
#define OPT_SETCONS_RESET 1
int setconsole_main(int argc, char **argv);
int setconsole_main(int argc, char **argv)
{
unsigned long flags;
const char *device = CURRENT_TTY;
#if ENABLE_FEATURE_SETCONSOLE_LONG_OPTIONS
applet_long_options = setconsole_longopts;
#endif
flags = getopt32(argv, "r");
if (argc - optind > 1)
bb_show_usage();
if (argc - optind == 1) {
if (flags & OPT_SETCONS_RESET)
bb_show_usage();
device = argv[optind];
} else {
if (flags & OPT_SETCONS_RESET)
device = DEV_CONSOLE;
}
xioctl(xopen(device, O_RDONLY), TIOCCONS, NULL);
return EXIT_SUCCESS;
}