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8c0c3e6dc4
* termios/cfsetspeed.c: Make code cleaner and add missing const. Patch by Joe Keane <jgk@jgk.org>.
130 lines
2.6 KiB
C
130 lines
2.6 KiB
C
/* Copyright (C) 1992, 1993, 1996, 1997, 1998 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 not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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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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};
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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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