NCURSES_SP_NAME(_nc_get_tty_mode) (NCURSES_SP_DCLx TTY * buf)
{
int result = OK;
if (buf == 0 || SP_PARM == 0) {
result = ERR;
} else {
TERMINAL *termp = TerminalOf(SP_PARM);
if (0 == termp) {
result = ERR;
} else {
#ifdef USE_TERM_DRIVER
result = CallDriver_2(SP_PARM, sgmode, FALSE, buf);
#else
for (;;) {
if (GET_TTY(termp->Filedes, buf) != 0) {
if (errno == EINTR)
continue;
result = ERR;
}
break;
}
#endif
}
if (result == ERR)
memset(buf, 0, sizeof(*buf));
TR(TRACE_BITS, ("_nc_get_tty_mode(%d): %s",
termp ? termp->Filedes : -1,
_nc_trace_ttymode(buf)));
}
return (result);
}
_nc_get_tty_mode(TTY * buf)
{
if (cur_term == 0
|| GET_TTY(cur_term->Filedes, buf) != 0)
return (ERR);
TR(TRACE_BITS, ("_nc_get_tty_mode(%d): %s",
cur_term->Filedes, _nc_trace_ttymode(buf)));
return (OK);
}
void
tty_init(void)
{ /* ATT terminal init */
#if defined(F_GETFL) && defined(O_NDELAY)
int flags;
flags = fcntl(fileno(stdin), F_GETFL, 0);
nodelay_read = flags & O_NDELAY;
#else
nodelay_read = FALSE;
#endif
not_a_tty = FALSE;
if (GET_TTY(fileno(stdin), &old_modes) == -1) {
if (errno == ENOTTY) {
tty_frame_size = 20;
not_a_tty = TRUE;
return;
}
printf("tcgetattr error: %d\n", errno);
exit(1);
}
/* if TAB3 is set then setterm() wipes out tabs (ht) */
new_modes = old_modes;
#ifdef TERMIOS
#ifdef TABDLY
new_modes.c_oflag &= ~TABDLY;
#endif /* TABDLY */
#endif
if (PUT_TTY(fileno(stdin), &new_modes) == -1) {
printf("tcsetattr error: %d\n", errno);
exit(1);
}
#ifdef sequent
/* the sequent ATT emulation is broken soooo. */
old_modes.c_cflag &= ~(CSIZE | CSTOPB);
old_modes.c_cflag |= CS7 | PARENB;
#endif
catchsig();
#ifdef TERMIOS
switch (old_modes.c_cflag & CSIZE) {
#if defined(CS5) && (CS5 != 0)
case CS5:
tty_frame_size = 10;
break;
#endif
#if defined(CS6) && (CS6 != 0)
case CS6:
tty_frame_size = 12;
break;
#endif
#if defined(CS7) && (CS7 != 0)
case CS7:
tty_frame_size = 14;
break;
#endif
#if defined(CS8) && (CS8 != 0)
case CS8:
tty_frame_size = 16;
break;
#endif
}
tty_frame_size += 2 +
((old_modes.c_cflag & PARENB) ? 2 : 0) +
((old_modes.c_cflag & CSTOPB) ? 4 : 2);
#else
tty_frame_size = 6 +
(old_modes.sg_flags & PASS8) ? 16 : 14;
#endif
}
int
main(int argc, char **argv)
{
int ch, noinit, noset, quiet, Sflag, sflag, showterm;
const char *p;
const char *ttype;
if (pledge("stdio rpath wpath tty", NULL) == -1)
err("pledge: %s", strerror(errno));
obsolete(argv);
noinit = noset = quiet = Sflag = sflag = showterm = 0;
while ((ch = getopt(argc, argv, "a:cd:e:Ii:k:m:np:qQSrsVw")) != -1) {
switch (ch) {
case 'c': /* set control-chars */
opt_c = TRUE;
break;
case 'a': /* OBSOLETE: map identifier to type */
add_mapping("arpanet", optarg);
break;
case 'd': /* OBSOLETE: map identifier to type */
add_mapping("dialup", optarg);
break;
case 'e': /* erase character */
terasechar = arg_to_char();
break;
case 'I': /* no initialization strings */
noinit = 1;
break;
case 'i': /* interrupt character */
intrchar = arg_to_char();
break;
case 'k': /* kill character */
tkillchar = arg_to_char();
break;
case 'm': /* map identifier to type */
add_mapping(0, optarg);
break;
case 'n': /* OBSOLETE: set new tty driver */
break;
case 'p': /* OBSOLETE: map identifier to type */
add_mapping("plugboard", optarg);
break;
case 'Q': /* don't output control key settings */
quiet = 1;
break;
case 'q': /* display term only */
noset = 1;
break;
case 'r': /* display term on stderr */
showterm = 1;
break;
case 'S': /* OBSOLETE: output TERM & TERMCAP */
Sflag = 1;
break;
case 's': /* output TERM set command */
sflag = 1;
break;
case 'V': /* print curses-version */
puts(curses_version());
ExitProgram(EXIT_SUCCESS);
case 'w': /* set window-size */
opt_w = TRUE;
break;
case '?':
default:
usage();
}
}
_nc_progname = _nc_rootname(*argv);
argc -= optind;
argv += optind;
if (argc > 1)
usage();
if (!opt_c && !opt_w)
opt_c = opt_w = TRUE;
if (GET_TTY(STDERR_FILENO, &mode) < 0)
failed("standard error");
can_restore = TRUE;
original = oldmode = mode;
#ifdef TERMIOS
ospeed = (NCURSES_OSPEED) cfgetospeed(&mode);
#else
ospeed = (NCURSES_OSPEED) mode.sg_ospeed;
#endif
if (!strcmp(_nc_progname, PROG_RESET)) {
isreset = TRUE;
reset_mode();
}
ttype = get_termcap_entry(*argv);
if (!noset) {
tcolumns = columns;
tlines = lines;
#if HAVE_SIZECHANGE
if (opt_w) {
struct winsize win;
/* Set window size if not set already */
(void) ioctl(STDERR_FILENO, TIOCGWINSZ, &win);
if (win.ws_row == 0 &&
win.ws_col == 0 &&
tlines > 0 && tcolumns > 0) {
win.ws_row = tlines;
win.ws_col = tcolumns;
(void) ioctl(STDERR_FILENO, TIOCSWINSZ, &win);
}
}
#endif
if (opt_c) {
set_control_chars();
set_conversions();
if (!noinit)
set_init();
/* Set the modes if they've changed. */
if (memcmp(&mode, &oldmode, sizeof(mode))) {
SET_TTY(STDERR_FILENO, &mode);
}
}
}
/* Get the terminal name from the entry. */
ttype = _nc_first_name(cur_term->type.term_names);
if (noset)
(void) printf("%s\n", ttype);
else {
if (showterm)
(void) fprintf(stderr, "Terminal type is %s.\n", ttype);
/*
* If erase, kill and interrupt characters could have been
* modified and not -Q, display the changes.
*/
#ifdef TERMIOS
if (!quiet) {
report("Erase", VERASE, CERASE);
report("Kill", VKILL, CKILL);
report("Interrupt", VINTR, CINTR);
}
#endif
}
if (Sflag)
err("The -S option is not supported under terminfo.");
if (sflag) {
int len;
char *var;
char *leaf;
/*
* Figure out what shell we're using. A hack, we look for an
* environmental variable SHELL ending in "csh".
*/
if ((var = getenv("SHELL")) != 0
&& ((len = (int) strlen(leaf = _nc_basename(var))) >= 3)
&& !strcmp(leaf + len - 3, "csh"))
p = "set noglob;\nsetenv TERM %s;\nunset noglob;\n";
else
p = "TERM=%s;\n";
(void) printf(p, ttype);
}
ExitProgram(EXIT_SUCCESS);
}
/*
* Reset the terminal mode bits to a sensible state. Very useful after
* a child program dies in raw mode.
*/
void
reset_tty_settings(int fd, TTY * tty_settings)
{
GET_TTY(fd, tty_settings);
#ifdef TERMIOS
#if defined(VDISCARD) && defined(CDISCARD)
reset_char(VDISCARD, CDISCARD);
#endif
reset_char(VEOF, CEOF);
reset_char(VERASE, CERASE);
#if defined(VFLUSH) && defined(CFLUSH)
reset_char(VFLUSH, CFLUSH);
#endif
reset_char(VINTR, CINTR);
reset_char(VKILL, CKILL);
#if defined(VLNEXT) && defined(CLNEXT)
reset_char(VLNEXT, CLNEXT);
#endif
reset_char(VQUIT, CQUIT);
#if defined(VREPRINT) && defined(CRPRNT)
reset_char(VREPRINT, CRPRNT);
#endif
#if defined(VSTART) && defined(CSTART)
reset_char(VSTART, CSTART);
#endif
#if defined(VSTOP) && defined(CSTOP)
reset_char(VSTOP, CSTOP);
#endif
#if defined(VSUSP) && defined(CSUSP)
reset_char(VSUSP, CSUSP);
#endif
#if defined(VWERASE) && defined(CWERASE)
reset_char(VWERASE, CWERASE);
#endif
tty_settings->c_iflag &= ~((unsigned) (IGNBRK
| PARMRK
| INPCK
| ISTRIP
| INLCR
| IGNCR
#ifdef IUCLC
| IUCLC
#endif
#ifdef IXANY
| IXANY
#endif
| IXOFF));
tty_settings->c_iflag |= (BRKINT
| IGNPAR
| ICRNL
| IXON
#ifdef IMAXBEL
| IMAXBEL
#endif
);
tty_settings->c_oflag &= ~((unsigned) (0
#ifdef OLCUC
| OLCUC
#endif
#ifdef OCRNL
| OCRNL
#endif
#ifdef ONOCR
| ONOCR
#endif
#ifdef ONLRET
| ONLRET
#endif
#ifdef OFILL
| OFILL
#endif
#ifdef OFDEL
| OFDEL
#endif
#ifdef NLDLY
| NLDLY
#endif
#ifdef CRDLY
| CRDLY
#endif
#ifdef TABDLY
| TABDLY
#endif
#ifdef BSDLY
| BSDLY
#endif
#ifdef VTDLY
| VTDLY
#endif
#ifdef FFDLY
| FFDLY
#endif
));
tty_settings->c_oflag |= (OPOST
#ifdef ONLCR
| ONLCR
#endif
);
tty_settings->c_cflag &= ~((unsigned) (CSIZE
| CSTOPB
| PARENB
| PARODD
| CLOCAL));
tty_settings->c_cflag |= (CS8 | CREAD);
tty_settings->c_lflag &= ~((unsigned) (ECHONL
| NOFLSH
#ifdef TOSTOP
| TOSTOP
#endif
#ifdef ECHOPTR
| ECHOPRT
#endif
#ifdef XCASE
| XCASE
#endif
));
tty_settings->c_lflag |= (ISIG
| ICANON
| ECHO
| ECHOE
| ECHOK
#ifdef ECHOCTL
| ECHOCTL
#endif
#ifdef ECHOKE
| ECHOKE
#endif
);
#endif
SET_TTY(fd, tty_settings);
}
