Annotation of /trunk/mkinitrd-magellan/busybox/console-tools/resize.c
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Revision 532 -
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Sat Sep 1 22:45:15 2007 UTC (16 years, 8 months ago) by niro
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Sat Sep 1 22:45:15 2007 UTC (16 years, 8 months ago) by niro
File MIME type: text/plain
File size: 1004 byte(s)
-import if magellan mkinitrd; it is a fork of redhats mkinitrd-5.0.8 with all magellan patches and features; deprecates magellan-src/mkinitrd
1 | niro | 532 | /* vi: set sw=4 ts=4: */ |
2 | /* | ||
3 | * resize - set terminal width and height. | ||
4 | * | ||
5 | * Copyright 2006 Bernhard Fischer | ||
6 | * | ||
7 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. | ||
8 | */ | ||
9 | /* no options, no getopt */ | ||
10 | #include "busybox.h" | ||
11 | |||
12 | int resize_main(int argc, char **argv) | ||
13 | { | ||
14 | struct termios old, new; | ||
15 | struct winsize w = {0,0,0,0}; | ||
16 | int ret; | ||
17 | |||
18 | tcgetattr(STDOUT_FILENO, &old); /* fiddle echo */ | ||
19 | new = old; | ||
20 | new.c_cflag |= (CLOCAL | CREAD); | ||
21 | new.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG); | ||
22 | tcsetattr(STDOUT_FILENO, TCSANOW, &new); | ||
23 | /* save_cursor_pos 7 | ||
24 | * scroll_whole_screen [r | ||
25 | * put_cursor_waaaay_off [$x;$yH | ||
26 | * get_cursor_pos [6n | ||
27 | * restore_cursor_pos 8 | ||
28 | */ | ||
29 | printf("\0337\033[r\033[999;999H\033[6n"); | ||
30 | scanf("\033[%hu;%huR", &w.ws_row, &w.ws_col); | ||
31 | ret = ioctl(STDOUT_FILENO, TIOCSWINSZ, &w); | ||
32 | printf("\0338"); | ||
33 | tcsetattr(STDOUT_FILENO, TCSANOW, &old); | ||
34 | if (ENABLE_FEATURE_RESIZE_PRINT) | ||
35 | printf("COLUMNS=%d;LINES=%d;export COLUMNS LINES;\n", | ||
36 | w.ws_col, w.ws_row); | ||
37 | return ret; | ||
38 | } |