LXR toybox/toys/other/reset.c

   1/* reset.c - reset the terminal.
   2 *
   3 * Copyright 2015 Rob Landley <rob@landley.net>
   4 *
   5 * No standard.
   6 *
   7 * In 1979 3BSD's tset had a sleep(1) to let mechanical printer-and-ink
   8 * terminals "settle down". We're not doing that.
   9
  10USE_RESET(NEWTOY(reset, 0, TOYFLAG_USR|TOYFLAG_BIN))
  11
  12config RESET
  13  bool "reset"
  14  default y
  15  help
  16    usage: reset
  17
  18    Reset the terminal.
  19*/
  20#include "toys.h"
  21
  22void reset_main(void)
  23{
  24  int fd = tty_fd();
  25
  26  // man 4 console_codes: reset terminal is ESC (no left bracket) c
  27  // DEC private mode set enable wraparound sequence.
  28  xwrite(fd<0 ? 1 : fd, "\ec\e[?7h", 2);
  29}
  30