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33 lines
743 B
C
33 lines
743 B
C
/* vi: set sw=4 ts=4: */
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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 "libbb.h"
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int setlogcons_main(int argc, char **argv);
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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 = xatoul_range(argv[1], 0, 63);
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if (ioctl(xopen(VC_1, 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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