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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /termios/tcsetattr.c
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'termios/tcsetattr.c')
-rw-r--r--termios/tcsetattr.c108
1 files changed, 108 insertions, 0 deletions
diff --git a/termios/tcsetattr.c b/termios/tcsetattr.c
new file mode 100644
index 0000000000..205838c87b
--- /dev/null
+++ b/termios/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>