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- /* Copyright (C) 1991, 1992 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"
-
- extern CONST speed_t __bsd_speeds[]; /* Defined in tcsetattr.c. */
-
- /* Put the state of FD into *TERMIOS_P. */
- int
- DEFUN(__tcgetattr, (fd, termios_p),
- int fd AND struct termios *termios_p)
- {
- struct sgttyb buf;
- struct tchars tchars;
- struct ltchars ltchars;
- int local;
- #ifdef TIOCGETX
- int extra;
- #endif
-
- if (termios_p == NULL)
- {
- errno = EINVAL;
- return -1;
- }
-
- 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;
-
- termios_p->__ispeed = __bsd_speeds[(unsigned char) buf.sg_ispeed];
- termios_p->__ospeed = __bsd_speeds[(unsigned char) buf.sg_ospeed];
-
- termios_p->c_iflag = 0;
- termios_p->c_oflag = 0;
- termios_p->c_cflag = 0;
- termios_p->c_lflag = 0;
- termios_p->c_oflag |= CREAD | HUPCL;
- #ifdef LPASS8
- if (local & LPASS8)
- termios_p->c_oflag |= CS8;
- else
- #endif
- termios_p->c_oflag |= CS7;
- if (!(buf.sg_flags & RAW))
- {
- termios_p->c_iflag |= IXON;
- termios_p->c_cflag |= OPOST;
- #ifndef NOISIG
- termios_p->c_lflag |= ISIG;
- #endif
- }
- if ((buf.sg_flags & (CBREAK|RAW)) == 0)
- termios_p->c_lflag |= ICANON;
- if (!(buf.sg_flags & RAW) && !(local & LLITOUT))
- termios_p->c_oflag |= OPOST;
- if (buf.sg_flags & CRMOD)
- termios_p->c_iflag |= ICRNL;
- if (buf.sg_flags & TANDEM)
- termios_p->c_iflag |= IXOFF;
- #ifdef TIOCGETX
- if (!(extra & NOISIG))
- termios_p->c_lflag |= ISIG;
- if (extra & STOPB)
- termios_p->c_cflag |= CSTOPB;
- #endif
-
- switch (buf.sg_flags & (EVENP|ODDP))
- {
- case EVENP|ODDP:
- break;
- case ODDP:
- termios_p->c_cflag |= PARODD;
- default:
- termios_p->c_cflag |= PARENB;
- termios_p->c_iflag |= IGNPAR | INPCK;
- break;
- }
- if (buf.sg_flags & ECHO)
- termios_p->c_lflag |= _ECHO;
- if (local & LCRTERA)
- termios_p->c_lflag |= ECHOE;
- if (local & LCRTKIL)
- termios_p->c_lflag |= ECHOK;
- if (local & LTOSTOP)
- termios_p->c_lflag |= _TOSTOP;
- if (local & LNOFLSH)
- termios_p->c_lflag |= _NOFLSH;
-
- termios_p->c_cc[VEOF] = tchars.t_eofc;
- termios_p->c_cc[VEOL] = '\n';
- termios_p->c_cc[VERASE] = buf.sg_erase;
- termios_p->c_cc[VKILL] = buf.sg_kill;
- termios_p->c_cc[VINTR] = tchars.t_intrc;
- termios_p->c_cc[VQUIT] = tchars.t_quitc;
- termios_p->c_cc[VSTART] = tchars.t_startc;
- termios_p->c_cc[VSTOP] = tchars.t_stopc;
- termios_p->c_cc[VSUSP] = ltchars.t_suspc;
- termios_p->c_cc[VMIN] = -1;
- termios_p->c_cc[VTIME] = -1;
-
- return 0;
- }
-