summaryrefslogtreecommitdiff
path: root/sysdeps/generic/tcsetattr.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/generic/tcsetattr.c')
-rw-r--r--sysdeps/generic/tcsetattr.c108
1 files changed, 108 insertions, 0 deletions
diff --git a/sysdeps/generic/tcsetattr.c b/sysdeps/generic/tcsetattr.c
new file mode 100644
index 0000000000..205838c87b
--- /dev/null
+++ b/sysdeps/generic/tcsetattr.c
@@ -0,0 +1,108 @@
+/* Copyright (C) 1991,95,96,2000,01,02 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. */
+
+#include <errno.h>
+#include <stddef.h>
+#include <termios.h>
+
+static int bad_speed (speed_t speed);
+
+/* Set the state of FD to *TERMIOS_P. */
+int
+tcsetattr (int fd, int optional_actions, const struct termios *termios_p)
+{
+ if (fd < 0)
+ {
+ __set_errno (EBADF);
+ return -1;
+ }
+ if (termios_p == NULL)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+ switch (optional_actions)
+ {
+ case TCSANOW:
+ case TCSADRAIN:
+ case TCSAFLUSH:
+ break;
+ default:
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ if (bad_speed(termios_p->__ospeed) ||
+ bad_speed(termios_p->__ispeed == 0 ?
+ termios_p->__ospeed : termios_p->__ispeed))
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ __set_errno (ENOSYS);
+ return -1;
+}
+libc_hidden_def (tcsetattr)
+
+/* Strychnine checking. */
+static int
+bad_speed (speed_t speed)
+{
+ switch (speed)
+ {
+ case B0:
+ case B50:
+ case B75:
+ case B110:
+ case B134:
+ case B150:
+ case B200:
+ case B300:
+ case B600:
+ case B1200:
+ case B1800:
+ case B2400:
+ case B4800:
+ case B9600:
+ case B19200:
+ case B38400:
+ case B57600:
+ case B115200:
+ case B230400:
+ case B460800:
+ case B500000:
+ case B576000:
+ case B921600:
+ case B1000000:
+ case B1152000:
+ case B1500000:
+ case B2000000:
+ case B2500000:
+ case B3000000:
+ case B3500000:
+ case B4000000:
+ return 0;
+ default:
+ return 1;
+ }
+}
+
+
+stub_warning (tcsetattr)
+#include <stub-tag.h>