162 lines
3.0 KiB
C
162 lines
3.0 KiB
C
/* Copyright (C) 1992,93,96,97,98,2001 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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <termios.h>
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#include <errno.h>
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#include <stddef.h>
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struct speed_struct
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{
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speed_t value;
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speed_t internal;
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};
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static const struct speed_struct speeds[] =
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{
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#ifdef B0
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{ 0, B0 },
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#endif
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#ifdef B50
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{ 50, B50 },
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#endif
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#ifdef B75
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{ 75, B75 },
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#endif
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#ifdef B110
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{ 110, B110 },
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#endif
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#ifdef B134
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{ 134, B134 },
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#endif
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#ifdef B150
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{ 150, B150 },
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#endif
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#ifdef B200
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{ 200, B200 },
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#endif
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#ifdef B300
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{ 300, B300 },
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#endif
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#ifdef B600
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{ 600, B600 },
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#endif
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#ifdef B1200
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{ 1200, B1200 },
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#endif
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#ifdef B1200
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{ 1200, B1200 },
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#endif
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#ifdef B1800
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{ 1800, B1800 },
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#endif
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#ifdef B2400
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{ 2400, B2400 },
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#endif
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#ifdef B4800
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{ 4800, B4800 },
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#endif
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#ifdef B9600
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{ 9600, B9600 },
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#endif
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#ifdef B19200
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{ 19200, B19200 },
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#endif
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#ifdef B38400
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{ 38400, B38400 },
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#endif
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#ifdef B57600
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{ 57600, B57600 },
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#endif
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#ifdef B76800
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{ 76800, B76800 },
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#endif
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#ifdef B115200
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{ 115200, B115200 },
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#endif
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#ifdef B153600
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{ 153600, B153600 },
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#endif
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#ifdef B230400
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{ 230400, B230400 },
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#endif
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#ifdef B307200
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{ 307200, B307200 },
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#endif
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#ifdef B460800
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{ 460800, B460800 },
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#endif
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#ifdef B500000
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{ 500000, B500000 },
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#endif
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#ifdef B576000
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{ 576000, B576000 },
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#endif
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#ifdef B921600
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{ 921600, B921600 },
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#endif
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#ifdef B1000000
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{ 1000000, B1000000 },
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#endif
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#ifdef B1152000
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{ 1152000, B1152000 },
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#endif
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#ifdef B1500000
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{ 1500000, B1500000 },
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#endif
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#ifdef B2000000
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{ 2000000, B2000000 },
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#endif
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#ifdef B2500000
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{ 2500000, B2500000 },
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#endif
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#ifdef B3000000
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{ 3000000, B3000000 },
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#endif
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#ifdef B3500000
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{ 3500000, B3500000 },
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#endif
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#ifdef B4000000
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{ 4000000, B4000000 },
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#endif
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};
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/* Set both the input and output baud rates stored in *TERMIOS_P to SPEED. */
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int
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cfsetspeed (struct termios *termios_p, speed_t speed)
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{
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size_t cnt;
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for (cnt = 0; cnt < sizeof (speeds) / sizeof (speeds[0]); ++cnt)
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if (speed == speeds[cnt].internal)
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{
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cfsetispeed (termios_p, speed);
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cfsetospeed (termios_p, speed);
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return 0;
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}
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else if (speed == speeds[cnt].value)
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{
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cfsetispeed (termios_p, speeds[cnt].internal);
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cfsetospeed (termios_p, speeds[cnt].internal);
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return 0;
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}
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__set_errno (EINVAL);
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return -1;
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}
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