initial import

1 files changed, 186 insertions, 0 deletions

diff --git a/sysdeps/unix/bsd/tcsetattr.c b/sysdeps/unix/bsd/tcsetattr.c
new file mode 100644
index 0000000000..e731d830f6
--- /dev/null
+++ b/sysdeps/unix/bsd/tcsetattr.c
@@ -0,0 +1,186 @@
+/* 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, &ltchars) < 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, &ltchars) < 0 ||
+#ifdef	TIOCGETX
+      __ioctl(fd, TIOCSETX, &extra) < 0 ||
+#endif
+      __ioctl(fd, TIOCLSET, &local) < 0)
+    return -1;
+  return 0;
+}