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/* $OpenBSD: lib_kernel.c,v 1.4 1997/12/09 01:23:04 millert Exp $ */
/***************************************************************************
* COPYRIGHT NOTICE *
****************************************************************************
* ncurses is copyright (C) 1992-1995 *
* Zeyd M. Ben-Halim *
* zmbenhal@netcom.com *
* Eric S. Raymond *
* esr@snark.thyrsus.com *
* *
* Permission is hereby granted to reproduce and distribute ncurses *
* by any means and for any fee, whether alone or as part of a *
* larger distribution, in source or in binary form, PROVIDED *
* this notice is included with any such distribution, and is not *
* removed from any of its header files. Mention of ncurses in any *
* applications linked with it is highly appreciated. *
* *
* ncurses comes AS IS with no warranty, implied or expressed. *
* *
***************************************************************************/
/*
* lib_kernel.c
*
* Misc. low-level routines:
* napms()
* reset_prog_mode()
* reset_shell_mode()
* erasechar()
* killchar()
* flushinp()
* savetty()
* resetty()
*
* The baudrate() and delay_output() functions could logically live here,
* but are in other modules to reduce the static-link size of programs
* that use only these facilities.
*/
#include <curses.priv.h>
#include <term.h> /* cur_term */
MODULE_ID("Id: lib_kernel.c,v 1.14 1997/09/02 22:41:57 tom Exp $")
int napms(int ms)
{
T((T_CALLED("napms(%d)"), ms));
usleep(1000*(unsigned)ms);
returnCode(OK);
}
int reset_prog_mode(void)
{
T((T_CALLED("reset_prog_mode()")));
_nc_set_curterm(&cur_term->Nttyb);
if (SP && stdscr && stdscr->_use_keypad)
_nc_keypad(TRUE);
returnCode(OK);
}
int reset_shell_mode(void)
{
T((T_CALLED("reset_shell_mode()")));
if (SP)
{
fflush(SP->_ofp);
_nc_keypad(FALSE);
}
_nc_set_curterm(&cur_term->Ottyb);
returnCode(OK);
}
/*
* erasechar()
*
* Return erase character as given in cur_term->Ottyb.
*
*/
char
erasechar(void)
{
T((T_CALLED("erasechar()")));
#ifdef TERMIOS
returnCode(cur_term->Ottyb.c_cc[VERASE]);
#else
returnCode(cur_term->Ottyb.sg_erase);
#endif
}
/*
* killchar()
*
* Return kill character as given in cur_term->Ottyb.
*
*/
char
killchar(void)
{
T((T_CALLED("killchar()")));
#ifdef TERMIOS
returnCode(cur_term->Ottyb.c_cc[VKILL]);
#else
returnCode(cur_term->Ottyb.sg_kill);
#endif
}
/*
* flushinp()
*
* Flush any input on cur_term->Filedes
*
*/
int flushinp(void)
{
T((T_CALLED("flushinp()")));
#ifdef TERMIOS
tcflush(cur_term->Filedes, TCIFLUSH);
#else
errno = 0;
do {
ioctl(cur_term->Filedes, TIOCFLUSH, 0);
} while
(errno == EINTR);
#endif
if (SP) {
SP->_fifohead = -1;
SP->_fifotail = 0;
SP->_fifopeek = 0;
}
returnCode(OK);
}
/*
** savetty() and resetty()
**
*/
static TTY buf;
int savetty(void)
{
T((T_CALLED("savetty()")));
_nc_get_curterm(&buf);
returnCode(OK);
}
int resetty(void)
{
T((T_CALLED("resetty()")));
_nc_set_curterm(&buf);
returnCode(OK);
}
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