Last change
on this file since 3868 was 3232, checked in by Bruno Cornec, 11 years ago |
- Update mindi-busybox to 1.21.1
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File size:
1.2 KB
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1 | /* vi: set sw=4 ts=4: */
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2 | /*
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3 | * setconsole.c - redirect system console output
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4 | *
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5 | * Copyright (C) 2004,2005 Enrik Berkhan <Enrik.Berkhan@inka.de>
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6 | * Copyright (C) 2008 Bernhard Reutner-Fischer
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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 | //usage:#define setconsole_trivial_usage
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12 | //usage: "[-r" IF_FEATURE_SETCONSOLE_LONG_OPTIONS("|--reset") "] [DEVICE]"
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13 | //usage:#define setconsole_full_usage "\n\n"
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14 | //usage: "Redirect system console output to DEVICE (default: /dev/tty)\n"
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15 | //usage: "\n -r Reset output to /dev/console"
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16 |
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17 | #include "libbb.h"
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18 |
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19 | int setconsole_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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20 | int setconsole_main(int argc UNUSED_PARAM, char **argv)
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21 | {
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22 | const char *device = CURRENT_TTY;
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23 | bool reset;
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24 |
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25 | #if ENABLE_FEATURE_SETCONSOLE_LONG_OPTIONS
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26 | static const char setconsole_longopts[] ALIGN1 =
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27 | "reset\0" No_argument "r"
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28 | ;
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29 | applet_long_options = setconsole_longopts;
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30 | #endif
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31 | /* at most one non-option argument */
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32 | opt_complementary = "?1";
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33 | reset = getopt32(argv, "r");
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34 |
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35 | argv += 1 + reset;
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36 | if (*argv) {
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37 | device = *argv;
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38 | } else {
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39 | if (reset)
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40 | device = DEV_CONSOLE;
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41 | }
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42 |
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43 | xioctl(xopen(device, O_WRONLY), TIOCCONS, NULL);
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44 | return EXIT_SUCCESS;
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45 | }
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