101 lines
2.1 KiB
C
101 lines
2.1 KiB
C
/* Copyright (C) 1991 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 <ansidecl.h>
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#include <errno.h>
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#include <stddef.h>
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#include <termios.h>
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static int EXFUN(bad_speed, (speed_t speed));
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/* Set the state of FD to *TERMIOS_P. */
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int
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DEFUN(tcsetattr, (fd, optional_actions, termios_p),
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int fd AND int optional_actions AND CONST struct termios *termios_p)
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{
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if (fd < 0)
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{
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errno = EBADF;
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return -1;
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}
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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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switch (optional_actions)
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{
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case TCSANOW:
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case TCSADRAIN:
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case TCSAFLUSH:
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break;
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default:
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errno = EINVAL;
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return -1;
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}
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if (bad_speed(termios_p->__ospeed) ||
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bad_speed(termios_p->__ispeed == 0 ?
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termios_p->__ospeed : termios_p->__ispeed))
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{
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errno = EINVAL;
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return -1;
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}
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errno = ENOSYS;
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return -1;
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}
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/* Stricknine checking. */
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static int
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DEFUN(bad_speed, (speed), speed_t speed)
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{
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switch (speed)
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{
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case B0:
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case B50:
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case B75:
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case B110:
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case B134:
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case B150:
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case B200:
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case B300:
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case B600:
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case B1200:
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case B1800:
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case B2400:
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case B4800:
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case B9600:
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case B19200:
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case B38400:
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return 0;
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default:
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return 1;
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}
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}
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#ifdef HAVE_GNU_LD
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#include <gnu-stabs.h>
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stub_warning(tcsetattr);
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#endif /* GNU stabs. */
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