/* $OpenBSD: setupterm.c,v 1.2 1996/06/02 20:19:29 tholo Exp $ */ /* * Copyright (c) 1996 SigmaSoft, Th. Lockert <tholo@sigmasoft.com> * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by SigmaSoft, Th. Lockert. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED ``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 AUTHOR 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. */ #ifndef lint static char rcsid[] = "$OpenBSD: setupterm.c,v 1.2 1996/06/02 20:19:29 tholo Exp $"; #endif #include <stdlib.h> #include <unistd.h> #include <err.h> #include "term.h" #include "term.private.h" extern char *_ti_buf; /* * Called to set up a terminal description for the named * terminal. If no terminal is named, attempt to use the * one named in the TERM environment variable * * If an error is encountered, return it in *errstat if * set. If not set, abort with an error message */ int setupterm(name, fd, errstat) const char *name; int fd; int *errstat; { int ret; if (name == NULL) name = getenv("TERM"); _ti_buf = NULL; if (cur_term != NULL) del_curterm(cur_term); if ((cur_term = calloc(sizeof(TERMINAL), 1)) == NULL) errx(1, "No memory for terminal description"); if (fd == STDOUT_FILENO && !isatty(fd)) fd = STDERR_FILENO; cur_term->fd = fd; ret = _ti_getterm(name); if (errstat == NULL && ret < 1) { if (ret < 0) errx(1, "Terminal description database could not be found"); else errx(1, "Terminal '%s' not found", name); } else if (errstat != NULL) *errstat = ret; (void) _ti_tty_init(); return ret; }