source: MondoRescue/branches/2.2.5/mindi-busybox/miscutils/ttysize.c @ 1765

Last change on this file since 1765 was 1765, checked in by Bruno Cornec, 13 years ago

Update to busybox 1.7.2

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