Last change
on this file since 2357 was 1765, checked in by Bruno Cornec, 17 years ago |
Update to busybox 1.7.2
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-
Property svn:eol-style
set to
native
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File size:
947 bytes
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1 | /* vi: set sw=4 ts=4: */
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2 | /*
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3 | * Replacement for "stty size", which is awkward for shell script use.
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4 | * - Allows to request width, height, or both, in any order.
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5 | * - Does not complain on error, but returns width 80, height 24.
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6 | * - Size: less than 200 bytes
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7 | *
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8 | * Copyright (C) 2007 by Denys Vlasenko <vda.linux@googlemail.com>
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9 | *
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10 | * Licensed under the GPL v2, see the file LICENSE in this tarball.
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11 | */
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12 | #include "libbb.h"
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13 |
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14 | int ttysize_main(int argc, char **argv);
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15 | int ttysize_main(int argc, char **argv)
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16 | {
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17 | unsigned w,h;
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18 | struct winsize wsz;
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19 |
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20 | w = 80;
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21 | h = 24;
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22 | if (!ioctl(0, TIOCGWINSZ, &wsz)) {
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23 | w = wsz.ws_col;
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24 | h = wsz.ws_row;
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25 | }
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26 |
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27 | if (argc == 1) {
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28 | printf("%u %u", w, h);
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29 | } else {
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30 | const char *fmt, *arg;
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31 |
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32 | fmt = "%u %u" + 3; /* "%u" */
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33 | while ((arg = *++argv) != NULL) {
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34 | char c = arg[0];
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35 | if (c == 'w')
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36 | printf(fmt, w);
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37 | if (c == 'h')
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38 | printf(fmt, h);
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39 | fmt = "%u %u" + 2; /* " %u" */
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40 | }
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41 | }
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42 | putchar('\n');
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43 | return 0;
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44 | }
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