import winsup-2000-02-17 snapshot

1 files changed, 44 insertions, 0 deletions

diff --git a/winsup/cygwin/ioctl.cc b/winsup/cygwin/ioctl.cc
new file mode 100644
index 000000000..1fb5f3b59
--- /dev/null
+++ b/winsup/cygwin/ioctl.cc
@@ -0,0 +1,44 @@
+/* ioctl.cc: ioctl routines.
+
+   Copyright 1996, 1998 Cygnus Solutions.
+
+   Written by Doug Evans of Cygnus Support
+   dje@cygnus.com
+
+This file is part of Cygwin.
+
+This software is a copyrighted work licensed under the terms of the
+Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+details. */
+
+#include <sys/ioctl.h>
+#include <errno.h>
+#include "winsup.h"
+
+extern "C"
+int
+ioctl (int fd, int cmd, void *buf)
+{
+  if (dtable.not_open (fd))
+    {
+      set_errno (EBADF);
+      return -1;
+    }
+
+  debug_printf ("fd %d, cmd %x\n", fd, cmd);
+  fhandler_base *fh = dtable[fd];
+  if (fh->is_tty () && fh->get_device () != FH_PTYM)
+    switch (cmd)
+      {
+	case TCGETA:
+	  return tcgetattr (fd, (struct termios *) buf);
+	case TCSETA:
+	  return tcsetattr (fd, TCSANOW, (struct termios *) buf);
+	case TCSETAW:
+	  return tcsetattr (fd, TCSADRAIN, (struct termios *) buf);
+	case TCSETAF:
+	  return tcsetattr (fd, TCSAFLUSH, (struct termios *) buf);
+      }
+
+  return fh->ioctl (cmd, buf);
+}