Last change
on this file since 3574 was 3320, checked in by Bruno Cornec, 10 years ago |
- Re-add (thanks git BTW) the 2.2.9 branch which had been destroyed in
the move to 3.0
|
-
Property svn:eol-style
set to
native
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File size:
863 bytes
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1 | /* vi: set sw=4 ts=4: */
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2 | /*
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3 | * Disallocate virtual terminal(s)
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4 | *
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5 | * Copyright (C) 2003 by Tito Ragusa <farmatito@tiscali.it>
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6 | * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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7 | *
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8 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
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9 | */
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10 |
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11 | /* no options, no getopt */
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12 |
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13 | #include "libbb.h"
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14 |
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15 | /* From <linux/vt.h> */
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16 | enum { VT_DISALLOCATE = 0x5608 }; /* free memory associated to vt */
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17 |
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18 | int deallocvt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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19 | int deallocvt_main(int argc UNUSED_PARAM, char **argv)
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20 | {
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21 | /* num = 0 deallocate all unused consoles */
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22 | int num = 0;
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23 |
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24 | if (argv[1]) {
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25 | if (argv[2])
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26 | bb_show_usage();
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27 | num = xatou_range(argv[1], 1, 63);
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28 | }
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29 |
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30 | /* double cast suppresses "cast to ptr from int of different size" */
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31 | xioctl(get_console_fd_or_die(), VT_DISALLOCATE, (void *)(ptrdiff_t)num);
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32 | return EXIT_SUCCESS;
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33 | }
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