fde317d2b1
$TERMINFO to be a terminfo description as well as a file reference. This enables the user to modify the terminfo description on read-only media.
96 lines
2.5 KiB
C
96 lines
2.5 KiB
C
/* $NetBSD: curterm.c,v 1.4 2010/02/22 23:05:39 roy Exp $ */
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/*
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* Copyright (c) 2009 The NetBSD Foundation, Inc.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Roy Marples.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__RCSID("$NetBSD: curterm.c,v 1.4 2010/02/22 23:05:39 roy Exp $");
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#include <assert.h>
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#include <stdlib.h>
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#include <term_private.h>
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#include <term.h>
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#include <termios.h>
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#include <stdio.h>
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TERMINAL *cur_term;
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static const speed_t bauds[] = {
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0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 2400, 4800, 9600,
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19200, 38400, 57600, 115200, 230400, 460800, 921600
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};
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void
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_ti_setospeed(TERMINAL *term)
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{
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struct termios termios;
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speed_t os;
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size_t i;
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_DIAGASSERT(term != NULL);
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term->_ospeed = 0;
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if (tcgetattr(term->fildes, &termios) == 0) {
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os = cfgetospeed(&termios);
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for (i = 0; i < __arraycount(bauds); i++)
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if (bauds[i] == os) {
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term->_ospeed = i;
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break;
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}
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}
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}
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TERMINAL *
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set_curterm(TERMINAL *nterm)
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{
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TERMINAL *oterm;
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oterm = cur_term;
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cur_term = nterm;
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ospeed = 0;
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if (cur_term == NULL)
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PC = '\0';
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else {
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if (pad_char == NULL)
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PC = '\0';
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else
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PC = *pad_char;
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_ti_setospeed(nterm);
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ospeed = nterm->_ospeed;
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}
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return oterm;
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}
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int
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del_curterm(TERMINAL *oterm)
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{
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_ti_freeterm(oterm);
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return 0;
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}
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