/* 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 "busybox.h" #if ENABLE_FEATURE_SETCONSOLE_LONG_OPTIONS static const struct option setconsole_long_options[] = { { "reset", 0, NULL, 'r' }, { 0, 0, 0, 0 } }; #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_long_options; #endif flags = getopt32(argc, 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; } if (-1 == ioctl(xopen(device, O_RDONLY), TIOCCONS)) { bb_perror_msg_and_die("TIOCCONS"); } return EXIT_SUCCESS; }