/* $NetBSD: curterm.c,v 1.4 2010/02/22 23:05:39 roy Exp $ */ /* * Copyright (c) 2009 The NetBSD Foundation, Inc. * * This code is derived from software contributed to The NetBSD Foundation * by Roy Marples. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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. */ #include __RCSID("$NetBSD: curterm.c,v 1.4 2010/02/22 23:05:39 roy Exp $"); #include #include #include #include #include #include TERMINAL *cur_term; static const speed_t bauds[] = { 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800, 921600 }; void _ti_setospeed(TERMINAL *term) { struct termios termios; speed_t os; size_t i; _DIAGASSERT(term != NULL); term->_ospeed = 0; if (tcgetattr(term->fildes, &termios) == 0) { os = cfgetospeed(&termios); for (i = 0; i < __arraycount(bauds); i++) if (bauds[i] == os) { term->_ospeed = i; break; } } } TERMINAL * set_curterm(TERMINAL *nterm) { TERMINAL *oterm; oterm = cur_term; cur_term = nterm; ospeed = 0; if (cur_term == NULL) PC = '\0'; else { if (pad_char == NULL) PC = '\0'; else PC = *pad_char; _ti_setospeed(nterm); ospeed = nterm->_ospeed; } return oterm; } int del_curterm(TERMINAL *oterm) { _ti_freeterm(oterm); return 0; }