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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /sysdeps/unix/bsd/tcgetattr.c
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initial import
Diffstat (limited to 'sysdeps/unix/bsd/tcgetattr.c')
-rw-r--r--sysdeps/unix/bsd/tcgetattr.c130
1 files changed, 130 insertions, 0 deletions
diff --git a/sysdeps/unix/bsd/tcgetattr.c b/sysdeps/unix/bsd/tcgetattr.c
new file mode 100644
index 0000000000..0e6e3785dd
--- /dev/null
+++ b/sysdeps/unix/bsd/tcgetattr.c
@@ -0,0 +1,130 @@
+/* Copyright (C) 1991, 1992, 1995 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, &ltchars) < 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;
+}
+
+weak_alias (__tcgetattr, tcgetattr)