initial import

1 files changed, 208 insertions, 0 deletions

diff --git a/sysdeps/unix/sysv/tcsetattr.c b/sysdeps/unix/sysv/tcsetattr.c
new file mode 100644
index 0000000000..30e1b0b48d
--- /dev/null
+++ b/sysdeps/unix/sysv/tcsetattr.c
@@ -0,0 +1,208 @@
+/* Copyright (C) 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 <sys/ioctl.h>
+
+#include <sysv_termio.h>
+
+
+CONST speed_t __unix_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 __sysv_termio buf;
+  int ioctl_function;
+  size_t i;
+
+  if (termios_p == NULL)
+    {
+      errno = EINVAL;
+      return -1;
+    }
+  switch (optional_actions)
+    {
+    case TCSANOW:
+      ioctl_function = _TCSETA;
+      break;
+    case TCSADRAIN:
+      ioctl_function = _TCSETAW;
+      break;
+    case TCSAFLUSH:
+      ioctl_function = _TCSETAF;
+      break;
+    default:
+      errno = EINVAL;
+      return -1;
+    }
+
+  if (termios_p->__ispeed != termios_p->__ospeed)
+    {
+      errno = EINVAL;
+      return -1;
+    }
+  buf.c_cflag = -1;
+  for (i = 0; i <= sizeof (__unix_speeds) / sizeof (__unix_speeds[0]); ++i)
+    {
+      if (__unix_speeds[i] == termios_p->__ispeed)
+	buf.c_cflag = i;
+    }
+  if (buf.c_cflag == -1)
+    {
+      errno = EINVAL;
+      return -1;
+    }
+
+  buf.c_iflag = 0;
+  if (termios_p->c_iflag & IGNBRK)
+    buf.c_iflag |= _SYSV_IGNBRK;
+  if (termios_p->c_iflag & BRKINT)
+    buf.c_iflag |= _SYSV_BRKINT;
+  if (termios_p->c_iflag & IGNPAR)
+    buf.c_iflag |= _SYSV_IGNPAR;
+  if (termios_p->c_iflag & PARMRK)
+    buf.c_iflag |= _SYSV_PARMRK;
+  if (termios_p->c_iflag & INPCK)
+    buf.c_iflag |= _SYSV_INPCK;
+  if (termios_p->c_iflag & ISTRIP)
+    buf.c_iflag |= _SYSV_ISTRIP;
+  if (termios_p->c_iflag & INLCR)
+    buf.c_iflag |= _SYSV_INLCR;
+  if (termios_p->c_iflag & IGNCR)
+    buf.c_iflag |= _SYSV_IGNCR;
+  if (termios_p->c_iflag & ICRNL)
+    buf.c_iflag |= _SYSV_ICRNL;
+  if (termios_p->c_iflag & IXON)
+    buf.c_iflag |= _SYSV_IXON;
+  if (termios_p->c_iflag & IXOFF)
+    buf.c_iflag |= _SYSV_IXOFF;
+  if (termios_p->c_iflag & IXANY)
+    buf.c_iflag |= _SYSV_IXANY;
+  if (termios_p->c_iflag & IMAXBEL)
+    buf.c_iflag |= _SYSV_IMAXBEL;
+
+  buf.c_oflag = 0;
+  if (termios_p->c_oflag & OPOST)
+    buf.c_oflag = _SYSV_OPOST;
+  if (termios_p->c_oflag & ONLCR)
+    buf.c_oflag = _SYSV_ONLCR;
+
+  /* So far, buf.c_cflag contains the speed in CBAUD.  */
+  if (termios_p->c_cflag & CSTOPB)
+    buf.c_cflag |= _SYSV_CSTOPB;
+  if (termios_p->c_cflag & CREAD)
+    buf.c_cflag |= _SYSV_CREAD;
+  if (termios_p->c_cflag & PARENB)
+    buf.c_cflag |= _SYSV_PARENB;
+  if (termios_p->c_cflag & PARODD)
+    buf.c_cflag |= _SYSV_PARODD;
+  if (termios_p->c_cflag & HUPCL)
+    buf.c_cflag |= _SYSV_HUPCL;
+  if (termios_p->c_cflag & CLOCAL)
+    buf.c_cflag |= _SYSV_CLOCAL;
+  switch (termios_p->c_cflag & CSIZE)
+    {
+    case CS5:
+      buf.c_cflag |= _SYSV_CS5;
+      break;
+    case CS6:
+      buf.c_cflag |= _SYSV_CS6;
+      break;
+    case CS7:
+      buf.c_cflag |= _SYSV_CS7;
+      break;
+    case CS8:
+      buf.c_cflag |= _SYSV_CS8;
+      break;
+    }
+
+  buf.c_lflag = 0;
+  if (termios_p->c_lflag & ISIG)
+    buf.c_lflag |= _SYSV_ISIG;
+  if (termios_p->c_lflag & ICANON)
+    buf.c_lflag |= _SYSV_ICANON;
+  if (termios_p->c_lflag & ECHO)
+    buf.c_lflag |= _SYSV_ECHO;
+  if (termios_p->c_lflag & ECHOE)
+    buf.c_lflag |= _SYSV_ECHOE;
+  if (termios_p->c_lflag & ECHOK)
+    buf.c_lflag |= _SYSV_ECHOK;
+  if (termios_p->c_lflag & ECHONL)
+    buf.c_lflag |= _SYSV_ECHONL;
+  if (termios_p->c_lflag & NOFLSH)
+    buf.c_lflag |= _SYSV_NOFLSH;
+  if (termios_p->c_lflag & TOSTOP)
+    buf.c_lflag |= _SYSV_TOSTOP;
+  if (termios_p->c_lflag & ECHOCTL)
+    buf.c_lflag |= _SYSV_ECHOCTL;
+  if (termios_p->c_lflag & ECHOPRT)
+    buf.c_lflag |= _SYSV_ECHOPRT;
+  if (termios_p->c_lflag & ECHOKE)
+    buf.c_lflag |= _SYSV_ECHOKE;
+  if (termios_p->c_lflag & FLUSHO)
+    buf.c_lflag |= _SYSV_FLUSHO;
+  if (termios_p->c_lflag & PENDIN)
+    buf.c_lflag |= _SYSV_PENDIN;
+  if (termios_p->c_lflag & IEXTEN)
+    buf.c_lflag |= _SYSV_IEXTEN;
+
+  buf.c_cc[_SYSV_VINTR] = termios_p->c_cc[VINTR];
+  buf.c_cc[_SYSV_VQUIT] = termios_p->c_cc[VQUIT];
+  buf.c_cc[_SYSV_VERASE] = termios_p->c_cc[VERASE];
+  buf.c_cc[_SYSV_VKILL] = termios_p->c_cc[VKILL];
+  if (buf.c_lflag & _SYSV_ICANON)
+    {
+      buf.c_cc[_SYSV_VEOF] = termios_p->c_cc[VEOF];
+      buf.c_cc[_SYSV_VEOL] = termios_p->c_cc[VEOL];
+    }
+  else
+    {
+      buf.c_cc[_SYSV_VMIN] = termios_p->c_cc[VMIN];
+      buf.c_cc[_SYSV_VTIME] = termios_p->c_cc[VTIME];
+    }
+  buf.c_cc[_SYSV_VEOL2] = termios_p->c_cc[VEOL2];
+
+  if (__ioctl (fd, ioctl_function, &buf) < 0)
+    return -1;
+  return 0;
+}