1 files changed, 49 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/ttyname_r.c b/sysdeps/mach/hurd/ttyname_r.c
new file mode 100644
index 0000000000..67ff37d61c
--- /dev/null
+++ b/sysdeps/mach/hurd/ttyname_r.c
@@ -0,0 +1,49 @@
+/* Copyright (C) 1994, 1995 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 <errno.h>
+#include <string.h>
+#include <unistd.h>
+#include <hurd.h>
+#include <hurd/term.h>
+#include <hurd/fd.h>
+
+/* Store at most BUFLEN characters of the pathname of the terminal FD is
+   open on in BUF.  Return 0 on success, -1 otherwise.  */
+int
+ttyname_r (int fd, char *buf, int buflen)
+{
+  error_t err;
+  char nodename[1024];	/* XXX */
+  char *cp;
+  int len;
+
+  nodename[0] = '\0';
+  if (err = HURD_DPORT_USE (fd, __term_get_nodename (port, nodename)))
+    return __hurd_dfail (fd, err), -1;
+
+  len = (int) strlen (nodename) + 1;
+  if (len > buflen)
+    {
+      errno = EINVAL;
+      return -1;
+    }
+
+  memcpy (buf, nodename, len);
+  return 0;
+}