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|
/*
* tty.c
*
* By Ross Ridge
* Public Domain
* 92/02/01 07:30:49
*
* Do some tty related things
*
*/
#include "defs.h"
#include <term.h>
#ifdef USE_SCCS_IDS
static const char SCCSid[] = "@(#) mytinfo tty.c 3.2 92/02/01 public domain, By Ross Ridge";
#endif
#ifndef EXTA_IS
#define EXTA_IS 19200
#endif
#ifndef EXTB_IS
#define EXTB_IS 38400
#endif
#ifdef lint
#define ioctl _ioctl
/* shutup lint */
/* ARGSUSED */
/* VARARGS1 */
static int ioctl(a, b, p) int a; long b; anyptr *p; { return 0; }
#endif
#if defined(USE_TERMIO) || defined(USE_TERMIOS)
#ifdef USE_TERMIOS
speed_t _baud_tbl[] = {0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800,
2400, 4800, 9600, EXTA_IS, EXTB_IS
#ifdef B57600
,57600
#endif
#ifdef B115200
,115200
#endif
};
#else
#ifdef USE_SMALLMEM
unsigned short _baud_tbl[] = {0, 50, 75, 110, 134, 150, 200, 300, 600, 1200,
1800, 2400, 4800, 9600, EXTA_IS, EXTB_IS};
#else
long _baud_tbl[] = {0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800,
2400, 4800, 9600, EXTA_IS, EXTB_IS};
#endif
#endif
#ifdef USE_TERMIO
static struct termio old;
#else
static struct termios old;
#endif
int
_lit_output() {
#ifdef USE_TERMIO
struct termio tmp;
if (ioctl(cur_term->fd, TCGETA, &old) == -1)
return 0;
#else
struct termios tmp;
if (tcgetattr(cur_term->fd, &old) == -1)
return 0;
#endif
if (!(old.c_oflag & OPOST) || !(old.c_oflag & ONLCR))
return 0;
memcpy((anyptr)&tmp, (anyptr)&old, sizeof(old));
tmp.c_oflag &= ~OPOST;
#ifdef USE_TERMIO
ioctl(cur_term->fd, TCSETA, &tmp);
#else
tcsetattr(cur_term->fd, TCSADRAIN, &tmp);
#endif
return 1;
}
void
_norm_output() {
#ifdef USE_TERMIO
ioctl(cur_term->fd, TCSETA, &old);
#else
tcsetattr(cur_term->fd, TCSADRAIN, &old);
#endif
}
int
_check_tty() {
if ((cur_term->prog_mode.c_iflag & IXON) && cur_term->xon)
cur_term->pad = 0;
else
cur_term->pad = 1;
#ifdef USE_TERMIO
cur_term->baudrate = _baud_tbl[cur_term->prog_mode.c_cflag & CBAUD];
#else
cur_term->baudrate = cfgetospeed(&cur_term->prog_mode);
#endif
return OK;
}
int
def_prog_mode() {
if (cur_term == NULL)
return ERR;
#ifdef USE_WINSZ
#ifdef TIOCGWINSZ
if (ioctl(cur_term->fd, TIOCGWINSZ, &cur_term->prog_winsz) < 0)
return ERR;
#endif
#endif
#ifdef USE_TERMIO
if (ioctl(cur_term->fd, TCGETA, &cur_term->prog_mode) == 0
#else
if (tcgetattr(cur_term->fd, &cur_term->prog_mode) == 0
#endif
&& _check_tty() == OK)
return OK;
return ERR;
}
int
def_shell_mode() {
if (cur_term == NULL)
return ERR;
cur_term->termcap = 0;
#ifdef USE_WINSZ
#ifdef TIOCGWINSZ
if (ioctl(cur_term->fd, TIOCGWINSZ, &cur_term->shell_winsz) < 0)
return ERR;
#endif
#endif
#ifdef USE_TERMIO
return ioctl(cur_term->fd, TCGETA, &cur_term->shell_mode)==0 ? OK : ERR;
#else
return tcgetattr(cur_term->fd, &cur_term->shell_mode)==0 ? OK : ERR;
#endif
}
#pragma weak reset_prog_mode
int
reset_prog_mode() {
if (cur_term == NULL)
return ERR;
#ifdef USE_TERMIO
return ioctl(cur_term->fd, TCSETA, &cur_term->prog_mode)==0 ? OK : ERR;
#else
return tcsetattr(cur_term->fd, TCSADRAIN, &cur_term->prog_mode)==0 ? OK : ERR;
#endif
}
#pragma weak reset_shell_mode
int
reset_shell_mode() {
if (cur_term == NULL)
return ERR;
#ifdef USE_TERMIO
return ioctl(cur_term->fd, TCSETA, &cur_term->shell_mode)==0 ? OK : ERR;
#else
return tcsetattr(cur_term->fd, TCSADRAIN, &cur_term->shell_mode)==0 ? OK : ERR;
#endif
}
int
_init_tty() {
cur_term->true_lines = lines;
cur_term->true_columns = columns;
if (pad_char == NULL)
cur_term->padch = '\000';
else
cur_term->padch = pad_char[0];
if (def_shell_mode() == ERR || def_prog_mode() == ERR) {
cur_term->pad = 0;
cur_term->baudrate = 1;
cur_term->xon = 0;
return OK;
}
cur_term->xon = (xoff_character == NULL || xoff_character[0] == '\021')
&& (xon_character == NULL || xon_character[0] == '\023')
&& xon_xoff;
#ifdef USE_WINSZ
#ifdef TIOCGWINSZ
if (cur_term->prog_winsz.ws_row != 0
&& cur_term->prog_winsz.ws_col != 0) {
lines = cur_term->prog_winsz.ws_row;
columns = cur_term->prog_winsz.ws_col;
}
#endif
#endif
return OK;
}
#else
#ifdef USE_SGTTY
#ifdef USE_SMALLMEM
unsigned short _baud_tbl[] = {0, 50, 75, 110, 134, 150, 200, 300, 600, 1200,
1800, 2400, 4800, 9600, EXTA_IS, EXTB_IS};
#else
long _baud_tbl[] = {0, 50, 75, 110, 134, 150, 200, 300, 600, 1200,
1800, 2400, 4800, 9600, EXTA_IS, EXTB_IS};
#endif
#ifdef TIOCLGET
static int old;
int
_lit_output() {
struct sgttyb buf;
int tmp;
ioctl(cur_term->fd, TIOCGETP, &buf);
if (buf.sg_flags & RAW)
return 0;
ioctl(cur_term->fd, TIOCLGET, &old);
if (old & LLITOUT)
return 0;
tmp = old | LLITOUT;
ioctl(cur_term->fd, TIOCLSET, &tmp);
return 1;
}
void
_norm_output() {
ioctl(cur_term->fd, TIOCLSET, &old);
}
#else
static struct sgttyb old;
int
_lit_output() {
struct sgttyb tmp;
ioctl(cur_term->fd, TIOCGETP, &old);
if (old.sg_flags & RAW)
return 0;
memcpy((anyptr)&tmp, (anyptr)&old, sizeof(old));
tmp.sg_flags |= RAW;
ioctl(cur_term->fd, TIOCSETP, &tmp);
return 1;
}
void
_norm_output() {
ioctl(cur_term->fd, TIOCSETP, &old);
}
#endif
int
_check_tty() {
if (!(cur_term->prog_mode.v6.sg_flags & RAW) && cur_term->xon)
cur_term->pad = 0;
else
cur_term->pad = 1;
cur_term->baudrate = _baud_tbl[cur_term->prog_mode.v6.sg_ospeed & 0xf];
return OK;
}
int
def_shell_mode() {
if (ioctl(cur_term->fd, TIOCGETP, &cur_term->shell_mode.v6) < 0)
return ERR;
#ifdef TIOCGETC
if (ioctl(cur_term->fd, TIOCGETC, &cur_term->shell_mode.v7) < 0)
return ERR;
#endif
#ifdef TIOCLGET
if (ioctl(cur_term->fd, TIOCLGET, &cur_term->shell_mode.bsd) < 0)
return ERR;
#endif
#ifdef TIOCGLTC
if (ioctl(cur_term->fd, TIOCGLTC, &cur_term->shell_mode.bsd_new) < 0)
return ERR;
#endif
#ifdef USE_WINSZ
#ifdef TIOCGWINSZ
if (ioctl(cur_term->fd, TIOCGWINSZ, &cur_term->shell_winsz)<0)
return ERR;
#endif
#endif
cur_term->termcap = 0;
return OK;
}
int
def_prog_mode() {
if (ioctl(cur_term->fd, TIOCGETP, &cur_term->prog_mode.v6) < 0)
return ERR;
#ifdef TIOCGETC
if (ioctl(cur_term->fd, TIOCGETC, &cur_term->prog_mode.v7) < 0)
return ERR;
#endif
#ifdef TIOCLGET
if (ioctl(cur_term->fd, TIOCLGET, &cur_term->prog_mode.bsd) < 0)
return ERR;
#endif
#ifdef TIOCGLTC
if (ioctl(cur_term->fd, TIOCGLTC, &cur_term->prog_mode.bsd_new) < 0)
return ERR;
#endif
#ifdef USE_WINSZ
#ifdef TIOCGWINSZ
if (ioctl(cur_term->fd, TIOCGWINSZ, &cur_term->prog_winsz)<0)
return ERR;
#endif
#endif
return _check_tty();
}
int
reset_shell_mode() {
if (ioctl(cur_term->fd, TIOCSETP, &cur_term->shell_mode.v6) < 0)
return ERR;
#ifdef TIOCGETC
if (ioctl(cur_term->fd, TIOCSETC, &cur_term->shell_mode.v7) < 0)
return ERR;
#endif
#ifdef TIOCLGET
if (ioctl(cur_term->fd, TIOCLSET, &cur_term->shell_mode.bsd) < 0)
return ERR;
#endif
#ifdef TIOCGLTC
if (ioctl(cur_term->fd, TIOCSLTC, &cur_term->shell_mode.bsd_new) < 0)
return ERR;
#endif
return OK;
}
int
reset_prog_mode() {
if (ioctl(cur_term->fd, TIOCSETP, &cur_term->prog_mode.v6) < 0)
return ERR;
#ifdef TIOCGETC
if (ioctl(cur_term->fd, TIOCSETC, &cur_term->prog_mode.v7) < 0)
return ERR;
#endif
#ifdef TIOCLGET
if (ioctl(cur_term->fd, TIOCLSET, &cur_term->prog_mode.bsd) < 0)
return ERR;
#endif
#ifdef TIOCGLTC
if (ioctl(cur_term->fd, TIOCSLTC, &cur_term->prog_mode.bsd_new) < 0)
return ERR;
#endif
return OK;
}
int
_init_tty() {
cur_term->true_lines = lines;
cur_term->true_columns = columns;
if (pad_char == NULL)
cur_term->padch = '\000';
else
cur_term->padch = pad_char[0];
if (def_shell_mode() == ERR || def_prog_mode() == ERR) {
cur_term->pad = 0;
cur_term->baudrate = 1;
cur_term->xon = 0;
return OK;
}
#ifndef TIOCGETC
cur_term->xon = (xoff_character == NULL || xoff_character[0] == '\021')
&& (xon_character == NULL || xon_character[0] == '\023')
&& xon_xoff;
#else
if (xon_xoff) {
if (xon_character != NULL) {
cur_term->prog_mode.v7.t_startc = xon_character[0];
if (ioctl(cur_term->fd, TIOCSETC,
&cur_term->prog_mode.v7) < 0)
return ERR;
}
if (xoff_character != NULL) {
cur_term->prog_mode.v7.t_stopc = xoff_character[0];
if (ioctl(cur_term->fd, TIOCSETC,
&cur_term->prog_mode.v7) < 0)
return ERR;
}
}
cur_term->xon = xon_xoff;
#endif
#ifdef USE_WINSZ
#ifdef TIOCGWINSZ
if (cur_term->prog_winsz.ws_row != 0
&& cur_term->prog_winsz.ws_col != 0) {
lines = cur_term->prog_winsz.ws_row;
columns = cur_term->prog_winsz.ws_col;
}
#endif
#endif
return OK;
}
#else
int
_lit_output() {
return 0;
}
void
_norm_output() {
return;
}
int
_check_tty() {
return OK;
}
int
def_prog_mode() {
return OK;
}
int
reset_prog_mode() {
return OK;
}
int
def_shell_mode() {
return OK;
}
int
reset_shell_mode() {
return OK;
}
int
_init_tty() {
cur_term->pad = 1;
cur_term->padch = 0;
cur_term->baudrate = 1200;
cur_term->xon = 0;
cur_term->termcap = 0;
cur_term->true_lines = lines;
cur_term->true_columns = columns;
}
#endif
#endif
|
