* Copyright (c) 1991 The Regents of the University of California.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
static char sccsid
[] = "@(#)term.c 5.1 (Berkeley) 12/22/91";
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 This prevents us from being fooled by out of date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
);