* Copyright (c) 1991 The Regents of the University of California.
* %sccs.include.redist.c%
static char sccsid
[] = "@(#)term.c 5.1 (Berkeley) %G%";
char tbuf
[1024]; /* Termcap entry. */
char *askuser
__P((char *));
char *ttys
__P((char *));
* Figure out what kind of terminal we're dealing with, and then read in
get_termcap_entry(userarg
, tcapbufp
)
char *userarg
, **tcapbufp
;
char *base
, *ttype
, *ttypath
;
/* Try the environment. */
if (ttype
= getenv("TERM"))
/* Try ttyname(3); check for dialup or other mapping. */
if (ttypath
= ttyname(STDERR_FILENO
)) {
if (base
= rindex(ttypath
, '/'))
if ((t
= getttynam(base
))) {
/* If still undefined, use "unknown". */
map
: ttype
= mapped(ttype
);
* Remove TERMCAP from the environment so we get a real entry from
* /etc/termcap. This prevents us from being fooled by out of date
* stuff in the environment.
found
: unsetenv("TERMCAP");
* ttype now contains a pointer to the type of the terminal.
* If the first character is '?', ask the user.
ttype
= askuser(ttype
+ 1);
/* Find the termcap entry. If it doesn't exist, ask the user. */
while ((rval
= tgetent(tbuf
, ttype
)) == 0) {
"tset: terminal type %s is unknown\n", ttype
);
err("termcap: %s", strerror(errno
? errno
: ENOENT
));
/* Prompt the user for a terminal type. */
(void)fprintf(stderr
, "Terminal type? [%s] ", dflt
);
(void)fprintf(stderr
, "Terminal type? ");
if (fgets(answer
, sizeof(answer
), stdin
) == NULL
)
if (p
= index(answer
, '\n'))
return (answer
[0] ? answer
: dflt
);