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45 lines
974 B
C
45 lines
974 B
C
/* vi: set sw=4 ts=4: */
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/*
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* Replacement for "stty size", which is awkward for shell script use.
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* - Allows to request width, height, or both, in any order.
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* - Does not complain on error, but returns width 80, height 24.
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* - Size: less than 200 bytes
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*
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* Copyright (C) 2007 by Denys Vlasenko <vda.linux@googlemail.com>
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*
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* Licensed under the GPL v2, see the file LICENSE in this tarball.
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*/
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#include "libbb.h"
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int ttysize_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int ttysize_main(int argc, char **argv)
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{
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unsigned w,h;
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struct winsize wsz;
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w = 80;
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h = 24;
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if (!ioctl(0, TIOCGWINSZ, &wsz)) {
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w = wsz.ws_col;
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h = wsz.ws_row;
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}
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if (argc == 1) {
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printf("%u %u", w, h);
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} else {
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const char *fmt, *arg;
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fmt = "%u %u" + 3; /* "%u" */
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while ((arg = *++argv) != NULL) {
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char c = arg[0];
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if (c == 'w')
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printf(fmt, w);
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if (c == 'h')
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printf(fmt, h);
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fmt = "%u %u" + 2; /* " %u" */
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}
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}
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bb_putchar('\n');
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return 0;
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}
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