busybox/console-tools/resize.c
Bernhard Reutner-Fischer e63a0dee9e - revert r16191; re-add resize() applet.
text	   data	    bss	    dec	    hex	filename
    288	      0	      0	    288	    120	console-tools/_resize.o.gcc-2.95
    258	      0	      0	    258	    102	console-tools/_resize.o.gcc-3.3
    252	      0	      0	    252	     fc	console-tools/_resize.o.gcc-3.4
2006-10-25 15:07:56 +00:00

39 lines
1004 B
C

/* vi: set sw=4 ts=4: */
/*
* resize - set terminal width and height.
*
* Copyright 2006 Bernhard Fischer
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
/* no options, no getopt */
#include "busybox.h"
int resize_main(int argc, char **argv)
{
struct termios old, new;
struct winsize w = {0,0,0,0};
int ret;
tcgetattr(STDOUT_FILENO, &old); /* fiddle echo */
new = old;
new.c_cflag |= (CLOCAL | CREAD);
new.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
tcsetattr(STDOUT_FILENO, TCSANOW, &new);
/* save_cursor_pos 7
* scroll_whole_screen [r
* put_cursor_waaaay_off [$x;$yH
* get_cursor_pos [6n
* restore_cursor_pos 8
*/
printf("\0337\033[r\033[999;999H\033[6n");
scanf("\033[%hu;%huR", &w.ws_row, &w.ws_col);
ret = ioctl(STDOUT_FILENO, TIOCSWINSZ, &w);
printf("\0338");
tcsetattr(STDOUT_FILENO, TCSANOW, &old);
if (ENABLE_FEATURE_RESIZE_PRINT)
printf("COLUMNS=%d;LINES=%d;export COLUMNS LINES;\n",
w.ws_col, w.ws_row);
return ret;
}