mirror of
https://github.com/sheumann/hush.git
synced 2024-12-22 14:30:31 +00:00
4eb8b936cb
fill whole 1st screen (was "screen sans one line"); fall back to cat if redirected or no ctty less: fall back to cat if no ctty (was exiting) resize: cosmetics
42 lines
1.0 KiB
C
42 lines
1.0 KiB
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"
|
|
|
|
#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;
|
|
}
|