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setlogcons, from Jan Kaszka.
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parent
28ff9668d9
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87848d91c7
@ -72,4 +72,10 @@ config CONFIG_SETKEYCODES
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This program loads entries into the kernel's scancode-to-keycode
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map, allowing unusual keyboards to generate usable keycodes.
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config CONFIG_SETLOGCONS
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bool "setlogcons"
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default n
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help
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This program redirects the output console of kernel messages.
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endmenu
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@ -21,6 +21,7 @@ CONSOLETOOLS-$(CONFIG_LOADKMAP) += loadkmap.o
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CONSOLETOOLS-$(CONFIG_OPENVT) += openvt.o
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CONSOLETOOLS-$(CONFIG_RESET) += reset.o
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CONSOLETOOLS-$(CONFIG_SETKEYCODES) += setkeycodes.o
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CONSOLETOOLS-$(CONFIG_SETLOGCONS) += setlogcons.o
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ifneq ($(strip $(CONSOLETOOLS-y)),)
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libraries-y+=$(CONSOLETOOLS_DIR)$(CONSOLETOOLS_AR)
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34
console-tools/setlogcons.c
Normal file
34
console-tools/setlogcons.c
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@ -0,0 +1,34 @@
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/*
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* setlogcons: Send kernel messages to the current console or to console N
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*
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* Copyright (C) 2006 by Jan Kiszka <jan.kiszka@web.de>
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*
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* Based on setlogcons (kbd-1.12) by Andries E. Brouwer
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*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include "busybox.h"
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extern int setlogcons_main(int argc, char **argv)
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{
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struct {
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char fn;
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char subarg;
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} arg;
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arg.fn = 11; /* redirect kernel messages */
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arg.subarg = 0; /* to specified console (current as default) */
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if (argc == 2)
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arg.subarg = atoi(argv[1]);
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if (ioctl(bb_xopen("/dev/tty1", O_RDONLY), TIOCLINUX, &arg))
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bb_perror_msg_and_die("TIOCLINUX");;
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return 0;
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}
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@ -235,6 +235,7 @@ USE_SEQ(APPLET(seq, seq_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
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USE_SETARCH(APPLET(setarch, setarch_main, _BB_DIR_BIN, _BB_SUID_NEVER))
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USE_SETCONSOLE(APPLET(setconsole, setconsole_main, _BB_DIR_SBIN, _BB_SUID_NEVER))
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USE_SETKEYCODES(APPLET(setkeycodes, setkeycodes_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
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USE_SETLOGCONS(APPLET(setlogcons, setlogcons_main, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
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USE_SETSID(APPLET(setsid, setsid_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
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USE_FEATURE_SH_IS_ASH(APPLET_NOUSAGE(sh, ash_main, _BB_DIR_BIN, _BB_SUID_NEVER))
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USE_FEATURE_SH_IS_HUSH(APPLET_NOUSAGE(sh, hush_main, _BB_DIR_BIN, _BB_SUID_NEVER))
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@ -2648,6 +2648,11 @@
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#define setkeycodes_example_usage \
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"$ setkeycodes e030 127\n"
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#define setlogcons_trivial_usage \
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"N"
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#define setlogcons_full_usage \
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"Redirects the kernel output to console N (0 for current)."
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#define setsid_trivial_usage \
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"program [arg ...]"
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#define setsid_full_usage \
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