1 files changed, 88 insertions, 0 deletions
diff --git a/newlib/libc/sys/linux/cfspeed.c b/newlib/libc/sys/linux/cfspeed.c
new file mode 100644
index 000000000..e935bf178
--- /dev/null
+++ b/newlib/libc/sys/linux/cfspeed.c
@@ -0,0 +1,88 @@
+/* `struct termios' speed frobnication functions.  Linux version.
+   Copyright (C) 1991, 92, 93, 95, 96, 97, 98, 2000 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+/* Modified by Jeff Johnston, May 27, 2002 to remove kernel hack
+   as we simply ignore a cfisetspeed of 0 instead of treating it specially */
+
+#include <stddef.h>
+#include <errno.h>
+#include <termios.h>
+
+/* Return the output baud rate stored in *TERMIOS_P.  */
+speed_t
+cfgetospeed (termios_p)
+     const struct termios *termios_p;
+{
+  return termios_p->c_cflag & (CBAUD | CBAUDEX);
+}
+
+/* Return the input baud rate stored in *TERMIOS_P.
+   For Linux there is no difference between input and output
+   speed. */
+speed_t
+cfgetispeed (termios_p)
+     const struct termios *termios_p;
+{
+  return termios_p->c_cflag & (CBAUD | CBAUDEX);
+}
+
+/* Set the output baud rate stored in *TERMIOS_P to SPEED.  */
+int
+cfsetospeed  (termios_p, speed)
+     struct termios *termios_p;
+     speed_t speed;
+{
+  if ((speed & ~CBAUD) != 0
+      && (speed < B57600 || speed > __MAX_BAUD))
+    {
+      errno = (EINVAL);
+      return -1;
+    }
+
+  termios_p->c_cflag &= ~(CBAUD | CBAUDEX);
+  termios_p->c_cflag |= speed;
+
+  return 0;
+}
+
+/* Set the input baud rate stored in *TERMIOS_P to SPEED.
+   Although for Linux there is no difference between input and output
+   speed, the numerical 0 is a special case for the input baud rate.  It
+   should set the input baud rate to the output baud rate so we do
+   nothing. */
+int
+cfsetispeed (termios_p, speed)
+     struct termios *termios_p;
+     speed_t speed;
+{
+  if ((speed & ~CBAUD) != 0
+      && (speed < B57600 || speed > __MAX_BAUD))
+    {
+      errno = (EINVAL);
+      return -1;
+    }
+
+  if (speed != 0)
+    {
+      termios_p->c_cflag &= ~(CBAUD | CBAUDEX);
+      termios_p->c_cflag |= speed;
+    }
+
+  return 0;
+}