Wed May 29 00:57:37 1996 David Mosberger-Tang <davidm@azstarnet.com>
* sysdeps/unix/sysv/linux/alpha/speed.c: Remove.
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/* `struct termios' speed frobnication functions. Linux version.
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Copyright (C) 1991, 1992, 1993, 1995 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <stddef.h>
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#include <errno.h>
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#include <termios.h>
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static const speed_t speeds[] =
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{
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0,
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50,
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75,
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110,
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134,
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150,
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200,
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300,
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600,
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1200,
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1800,
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2400,
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4800,
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9600,
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19200,
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38400,
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57600,
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115200,
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230400,
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460800,
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};
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/* Return the output baud rate stored in *TERMIOS_P. */
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speed_t
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cfgetospeed (termios_p)
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const struct termios *termios_p;
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{
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speed_t retval = termios_p->c_cflag & (CBAUD | CBAUDEX);
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if (retval & CBAUDEX)
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{
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retval &= ~CBAUDEX;
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retval |= CBAUD + 1;
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}
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return retval;
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}
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/* Return the input baud rate stored in *TERMIOS_P.
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For Linux there is no difference between input and output speed. */
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strong_alias (cfgetospeed, cfgetispeed);
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/* Set the output baud rate stored in *TERMIOS_P to SPEED. */
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int
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cfsetospeed (termios_p, speed)
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struct termios *termios_p;
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speed_t speed;
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{
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register unsigned int i;
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if (termios_p == NULL)
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{
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errno = EINVAL;
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return -1;
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}
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/* This allows either B1200 or 1200 to work. XXX
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Do we really want to try to support this, given that
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fetching the speed must return one or the other? */
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for (i = 0; i < sizeof (speeds) / sizeof (speeds[0]); ++i)
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if (i == speed || speeds[i] == speed)
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{
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termios_p->c_cflag &= ~(CBAUD | CBAUDEX);
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termios_p->c_cflag |= (i & CBAUD);
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if (i & ~CBAUD)
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termios_p->c_cflag |= CBAUDEX;
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return 0;
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}
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errno = EINVAL;
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return -1;
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}
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/* Set the input baud rate stored in *TERMIOS_P to SPEED.
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For Linux there is no difference between input and output speed. */
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strong_alias (cfsetospeed, cfsetispeed);
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