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/* 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"
#define ESC "\033"
int resize_main(int argc, char **argv);
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(ESC"7" ESC"[r" ESC"[999;999H" ESC"[6n");
scanf(ESC"[%hu;%huR", &w.ws_row, &w.ws_col);
ret = ioctl(STDOUT_FILENO, TIOCSWINSZ, &w);
printf(ESC"8");
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;
}
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