diff options
Diffstat (limited to 'usr.bin/tset/term.c')
| -rw-r--r-- | usr.bin/tset/term.c | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/usr.bin/tset/term.c b/usr.bin/tset/term.c deleted file mode 100644 index 1c0196b1473c..000000000000 --- a/usr.bin/tset/term.c +++ /dev/null @@ -1,158 +0,0 @@ -/*- - * SPDX-License-Identifier: BSD-3-Clause - * - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 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. 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 - * SUCH DAMAGE. - */ - -#include <sys/cdefs.h> - -__FBSDID("$FreeBSD$"); - -#ifndef lint -static const char sccsid[] = "@(#)term.c 8.1 (Berkeley) 6/9/93"; -#endif - -#include <sys/types.h> -#include <err.h> -#include <errno.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <termcap.h> -#include <unistd.h> -#include <ttyent.h> -#include "extern.h" - -static char tbuf[1024]; /* Termcap entry. */ - -const char *askuser(const char *); -char *ttys(char *); - -/* - * Figure out what kind of terminal we're dealing with, and then read in - * its termcap entry. - */ -const char * -get_termcap_entry(char *userarg, char **tcapbufp) -{ - struct ttyent *t; - int rval; - char *p, *ttypath; - const char *ttype; - - if (userarg) { - ttype = userarg; - goto found; - } - - /* Try the environment. */ - if ((ttype = getenv("TERM"))) - goto map; - - /* Try ttyname(3); check for dialup or other mapping. */ - if ((ttypath = ttyname(STDERR_FILENO))) { - if ((p = strrchr(ttypath, '/'))) - ++p; - else - p = ttypath; - if ((t = getttynam(p))) { - ttype = t->ty_type; - goto map; - } - } - - /* If still undefined, use "unknown". */ - ttype = "unknown"; - -map: ttype = mapped(ttype); - - /* - * If not a path, 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: if ((p = getenv("TERMCAP")) != NULL && *p != '/') - unsetenv("TERMCAP"); - - /* - * ttype now contains a pointer to the type of the terminal. - * If the first character is '?', ask the user. - */ - if (ttype[0] == '?') { - if (ttype[1] != '\0') - ttype = askuser(ttype + 1); - else - ttype = askuser(NULL); - } - - /* Find the termcap entry. If it doesn't exist, ask the user. */ - while ((rval = tgetent(tbuf, ttype)) == 0) { - warnx("terminal type %s is unknown", ttype); - ttype = askuser(NULL); - } - if (rval == -1) - errx(1, "termcap: %s", strerror(errno ? errno : ENOENT)); - *tcapbufp = tbuf; - return (ttype); -} - -/* Prompt the user for a terminal type. */ -const char * -askuser(const char *dflt) -{ - static char answer[256]; - char *p; - - /* We can get recalled; if so, don't continue uselessly. */ - if (feof(stdin) || ferror(stdin)) { - (void)fprintf(stderr, "\n"); - exit(1); - } - for (;;) { - if (dflt) - (void)fprintf(stderr, "Terminal type? [%s] ", dflt); - else - (void)fprintf(stderr, "Terminal type? "); - (void)fflush(stderr); - - if (fgets(answer, sizeof(answer), stdin) == NULL) { - if (dflt == NULL) { - (void)fprintf(stderr, "\n"); - exit(1); - } - return (dflt); - } - - if ((p = strchr(answer, '\n'))) - *p = '\0'; - if (answer[0]) - return (answer); - if (dflt != NULL) - return (dflt); - } -} |