int setupterm(const char *tname, int Filedes, int *errret)
{
struct term *term_ptr;
int status;
T((T_CALLED("setupterm(\"%s\",%d,%p)"), tname, Filedes, errret));
if (tname == 0) {
tname = getenv("TERM");
if (tname == 0 || *tname == '\0') {
ret_error0(-1, "TERM environment variable not set.\n");
}
}
if (strlen(tname) > MAX_NAME_SIZE) {
ret_error(-1, "TERM environment must be <= %d characters.\n",
MAX_NAME_SIZE);
}
T(("your terminal name is %s", tname));
term_ptr = typeCalloc(TERMINAL, 1);
if (term_ptr == 0) {
ret_error0(-1, "Not enough memory to create terminal structure.\n") ;
}
#if USE_DATABASE
status = grab_entry(tname, &term_ptr->type);
#else
status = 0;
#endif
/* try fallback list if entry on disk */
if (status != 1)
{
const TERMTYPE *fallback = _nc_fallback(tname);
if (fallback)
{
memcpy(&term_ptr->type, fallback, sizeof(TERMTYPE));
status = 1;
}
}
if (status == -1)
{
ret_error0(-1, "terminals database is inaccessible\n");
}
else if (status == 0)
{
ret_error(0, "'%s': unknown terminal type.\n", tname);
}
set_curterm(term_ptr);
if (command_character && getenv("CC"))
do_prototype();
strlcpy(ttytype, cur_term->type.term_names, NAMESIZE);
/*
* Allow output redirection. This is what SVr3 does.
* If stdout is directed to a file, screen updates go
* to standard error.
*/
if (Filedes == STDOUT_FILENO && !isatty(Filedes))
Filedes = STDERR_FILENO;
cur_term->Filedes = Filedes;
_nc_get_screensize(&LINES, &COLS);
if (errret)
*errret = 1;
T((T_CREATE("screen %s %dx%d"), tname, LINES, COLS));
if (generic_type) {
ret_error(0, "'%s': I need something more specific.\n", tname);
}
if (hard_copy) {
ret_error(1, "'%s': I can't handle hardcopy terminals.\n", tname);
}
returnCode(OK);
}
/*
** curses_setup(exec_name)
**
** Startup ncurses
*/
void
curses_setup(
char *exec_name)
{
int status;
static TERMTYPE term;
char tty_filename[2048];
tty_init();
/**
See if the terminal is in the terminfo data base. This call has
two useful benefits, 1) it returns the filename of the terminfo entry,
and 2) it searches only terminfo's. This allows us to abort before
ncurses starts scanning the termcap file.
**/
if ((status = _nc_read_entry(tty_basename, tty_filename, &term)) == 0) {
const TERMTYPE *fallback = _nc_fallback(tty_basename);
if (fallback) {
term = *fallback;
sprintf(tty_filename, "(fallback)%s", tty_basename);
status = 1;
} else {
fprintf(stderr, "Terminal not found: TERM=%s\n", tty_basename);
show_usage(exec_name);
exit(1);
}
}
if (status == -1) {
fprintf(stderr, "Terminfo database is inaccessible\n");
exit(1);
}
/**
This call will load the terminfo data base and set the cur-term
variable. Only terminals that actually exist will get here so its
OK to ignore errors. This is a good thing since ncurses does not
permit (os) or (gn) to be set.
**/
setupterm(tty_basename, 1, &status);
/**
Get the current terminal definitions. This must be done before
getting the baudrate.
**/
_nc_get_curterm(&cur_term->Nttyb);
tty_baud_rate = baudrate();
tty_cps = (tty_baud_rate << 1) / tty_frame_size;
/* set up the defaults */
replace_mode = TRUE;
scan_mode = 0;
char_count = 0;
select_delay_type = debug_level = 0;
char_mask = (meta_on && meta_on[0] == '\0') ? ALLOW_PARITY : STRIP_PARITY;
/* Don't change the XON/XOFF modes yet. */
select_xon_xoff = initial_stty_query(TTY_XON_XOFF) ? 1 : needs_xon_xoff;
fflush(stdout); /* flush any output */
tty_set();
go_home(); /* set can_go_home */
put_clear(); /* set can_clear_screen */
if (send_reset_init) {
reset_init();
}
/*
I assume that the reset and init strings may not have the correct
pads. (Because that part of the test comes much later.) Because
of this, I allow the terminal some time to catch up.
*/
fflush(stdout); /* waste some time */
sleep(1); /* waste more time */
charset_can_test();
can_test("lines cols cr nxon rf if iprog rmp smcup rmcup", FLAG_CAN_TEST);
edit_init(); /* initialize the edit data base */
if (send_reset_init && enter_ca_mode) {
tc_putp(enter_ca_mode);
put_clear(); /* just in case we switched pages */
}
put_crlf();
ptext("Using terminfo from: ");
ptextln(tty_filename);
put_crlf();
if (tty_can_sync == SYNC_NEEDED) {
verify_time();
}
display_basic();
}
