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- /* Copyright (C) 1991, 1993 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If
- not, write to the Free Software Foundation, Inc., 675 Mass Ave,
- Cambridge, MA 02139, USA. */
-
- #include <ansidecl.h>
- #include <errno.h>
- #include <stddef.h>
- #include <termios.h>
-
- #include "bsdtty.h"
-
-
- CONST speed_t __bsd_speeds[] =
- {
- 0,
- 50,
- 75,
- 110,
- 134,
- 150,
- 200,
- 300,
- 600,
- 1200,
- 1800,
- 2400,
- 4800,
- 9600,
- 19200,
- 38400,
- };
-
-
- /* Set the state of FD to *TERMIOS_P. */
- int
- DEFUN(tcsetattr, (fd, optional_actions, termios_p),
- int fd AND int optional_actions AND CONST struct termios *termios_p)
- {
- struct sgttyb buf;
- struct tchars tchars;
- struct ltchars ltchars;
- int local;
- #ifdef TIOCGETX
- int extra;
- #endif
- size_t i;
-
- if (__ioctl(fd, TIOCGETP, &buf) < 0 ||
- __ioctl(fd, TIOCGETC, &tchars) < 0 ||
- __ioctl(fd, TIOCGLTC, <chars) < 0 ||
- #ifdef TIOCGETX
- __ioctl(fd, TIOCGETX, &extra) < 0 ||
- #endif
- __ioctl(fd, TIOCLGET, &local) < 0)
- return -1;
-
- if (termios_p == NULL)
- {
- errno = EINVAL;
- return -1;
- }
- switch (optional_actions)
- {
- case TCSANOW:
- break;
- case TCSADRAIN:
- if (tcdrain(fd) < 0)
- return -1;
- break;
- case TCSAFLUSH:
- if (tcflush(fd, TCIFLUSH) < 0)
- return -1;
- break;
- default:
- errno = EINVAL;
- return -1;
- }
-
- buf.sg_ispeed = buf.sg_ospeed = -1;
- for (i = 0; i <= sizeof (__bsd_speeds) / sizeof (__bsd_speeds[0]); ++i)
- {
- if (__bsd_speeds[i] == termios_p->__ispeed)
- buf.sg_ispeed = i;
- if (__bsd_speeds[i] == termios_p->__ospeed)
- buf.sg_ospeed = i;
- }
- if (buf.sg_ispeed == -1 || buf.sg_ospeed == -1)
- {
- errno = EINVAL;
- return -1;
- }
-
- buf.sg_flags &= ~(CBREAK|RAW);
- if (!(termios_p->c_lflag & ICANON))
- buf.sg_flags |= (termios_p->c_cflag & ISIG) ? CBREAK : RAW;
- #ifdef LPASS8
- if (termios_p->c_oflag & CS8)
- local |= LPASS8;
- else
- local &= ~LPASS8;
- #endif
- if (termios_p->c_lflag & _NOFLSH)
- local |= LNOFLSH;
- else
- local &= ~LNOFLSH;
- if (termios_p->c_oflag & OPOST)
- local &= ~LLITOUT;
- else
- local |= LLITOUT;
- #ifdef TIOCGETX
- if (termios_p->c_lflag & ISIG)
- extra &= ~NOISIG;
- else
- extra |= NOISIG;
- if (termios_p->c_cflag & CSTOPB)
- extra |= STOPB;
- else
- extra &= ~STOPB;
- #endif
- if (termios_p->c_iflag & ICRNL)
- buf.sg_flags |= CRMOD;
- else
- buf.sg_flags &= ~CRMOD;
- if (termios_p->c_iflag & IXOFF)
- buf.sg_flags |= TANDEM;
- else
- buf.sg_flags &= ~TANDEM;
-
- buf.sg_flags &= ~(ODDP|EVENP);
- if (!(termios_p->c_cflag & PARENB))
- buf.sg_flags |= ODDP | EVENP;
- else if (termios_p->c_cflag & PARODD)
- buf.sg_flags |= ODDP;
- else
- buf.sg_flags |= EVENP;
-
- if (termios_p->c_lflag & _ECHO)
- buf.sg_flags |= ECHO;
- else
- buf.sg_flags &= ~ECHO;
- if (termios_p->c_lflag & ECHOE)
- local |= LCRTERA;
- else
- local &= ~LCRTERA;
- if (termios_p->c_lflag & ECHOK)
- local |= LCRTKIL;
- else
- local &= ~LCRTKIL;
- if (termios_p->c_lflag & _TOSTOP)
- local |= LTOSTOP;
- else
- local &= ~LTOSTOP;
-
- buf.sg_erase = termios_p->c_cc[VERASE];
- buf.sg_kill = termios_p->c_cc[VKILL];
- tchars.t_eofc = termios_p->c_cc[VEOF];
- tchars.t_intrc = termios_p->c_cc[VINTR];
- tchars.t_quitc = termios_p->c_cc[VQUIT];
- ltchars.t_suspc = termios_p->c_cc[VSUSP];
- tchars.t_startc = termios_p->c_cc[VSTART];
- tchars.t_stopc = termios_p->c_cc[VSTOP];
-
- if (__ioctl(fd, TIOCSETP, &buf) < 0 ||
- __ioctl(fd, TIOCSETC, &tchars) < 0 ||
- __ioctl(fd, TIOCSLTC, <chars) < 0 ||
- #ifdef TIOCGETX
- __ioctl(fd, TIOCSETX, &extra) < 0 ||
- #endif
- __ioctl(fd, TIOCLSET, &local) < 0)
- return -1;
- return 0;
- }
-