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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/generic/speed.c
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initial import
Diffstat (limited to 'sysdeps/generic/speed.c')
-rw-r--r--sysdeps/generic/speed.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/sysdeps/generic/speed.c b/sysdeps/generic/speed.c
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+++ b/sysdeps/generic/speed.c
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+/* `struct termios' speed frobnication functions. 4.4 BSD/generic GNU version.
+Copyright (C) 1991, 1992, 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 <stddef.h>
+#include <errno.h>
+#include <termios.h>
+
+/* Return the output baud rate stored in *TERMIOS_P. */
+speed_t
+DEFUN(cfgetospeed, (termios_p), CONST struct termios *termios_p)
+{
+ return termios_p->__ospeed;
+}
+
+/* Return the input baud rate stored in *TERMIOS_P. */
+speed_t
+DEFUN(cfgetispeed, (termios_p), CONST struct termios *termios_p)
+{
+ return termios_p->__ispeed;
+}
+
+/* Set the output baud rate stored in *TERMIOS_P to SPEED. */
+int
+DEFUN(cfsetospeed, (termios_p, speed),
+ struct termios *termios_p AND speed_t speed)
+{
+ if (termios_p == NULL)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+
+ termios_p->__ospeed = speed;
+ return 0;
+}
+
+/* Set the input baud rate stored in *TERMIOS_P to SPEED. */
+int
+DEFUN(cfsetispeed, (termios_p, speed),
+ struct termios *termios_p AND speed_t speed)
+{
+ if (termios_p == NULL)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+
+ termios_p->__ispeed = speed;
+ return 0;
+}