Last change
on this file since 2517 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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Rev | Line | |
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[1765] | 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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