1 /* $NetBSD: curterm.c,v 1.4 2010/02/22 23:05:39 roy Exp $ */ 2 3 /* 4 * Copyright (c) 2009 The NetBSD Foundation, Inc. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Roy Marples. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include <sys/cdefs.h> 31 __RCSID("$NetBSD: curterm.c,v 1.4 2010/02/22 23:05:39 roy Exp $"); 32 33 #include <assert.h> 34 #include <stdlib.h> 35 #include <term_private.h> 36 #include <term.h> 37 #include <termios.h> 38 #include <stdio.h> 39 TERMINAL *cur_term; 40 41 static const speed_t bauds[] = { 42 0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 2400, 4800, 9600, 43 19200, 38400, 57600, 115200, 230400, 460800, 921600 44 }; 45 46 void 47 _ti_setospeed(TERMINAL *term) 48 { 49 struct termios termios; 50 speed_t os; 51 size_t i; 52 53 _DIAGASSERT(term != NULL); 54 55 term->_ospeed = 0; 56 if (tcgetattr(term->fildes, &termios) == 0) { 57 os = cfgetospeed(&termios); 58 for (i = 0; i < __arraycount(bauds); i++) 59 if (bauds[i] == os) { 60 term->_ospeed = i; 61 break; 62 } 63 } 64 } 65 66 TERMINAL * 67 set_curterm(TERMINAL *nterm) 68 { 69 TERMINAL *oterm; 70 71 oterm = cur_term; 72 cur_term = nterm; 73 74 ospeed = 0; 75 if (cur_term == NULL) 76 PC = '\0'; 77 else { 78 if (pad_char == NULL) 79 PC = '\0'; 80 else 81 PC = *pad_char; 82 _ti_setospeed(nterm); 83 ospeed = nterm->_ospeed; 84 } 85 86 return oterm; 87 } 88 89 int 90 del_curterm(TERMINAL *oterm) 91 { 92 93 _ti_freeterm(oterm); 94 return 0; 95 } 96