1 files changed, 37 insertions, 0 deletions
diff --git a/winsup/cygwin/fhandler/zero.cc b/winsup/cygwin/fhandler/zero.cc
new file mode 100644
index 000000000..9d8fe004d
--- /dev/null
+++ b/winsup/cygwin/fhandler/zero.cc
@@ -0,0 +1,37 @@
+/* fhandler_dev_zero.cc: code to access /dev/zero
+
+   Written by DJ Delorie (dj@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 "winsup.h"
+#include "security.h"
+#include "cygerrno.h"
+#include "path.h"
+#include "fhandler.h"
+
+fhandler_dev_zero::fhandler_dev_zero ()
+  : fhandler_base ()
+{
+}
+
+ssize_t
+fhandler_dev_zero::write (const void *, size_t len)
+{
+  if (get_device () == FH_FULL)
+    {
+      set_errno (ENOSPC);
+      return -1;
+    }
+  return len;
+}
+
+void
+fhandler_dev_zero::read (void *ptr, size_t& len)
+{
+  memset (ptr, 0, len);
+}