1 files changed, 28 insertions, 0 deletions
diff --git a/login/getlogin_r_chk.c b/login/getlogin_r_chk.c
new file mode 100644
index 0000000000..8e490858a5
--- /dev/null
+++ b/login/getlogin_r_chk.c
@@ -0,0 +1,28 @@
+/* Copyright (C) 2005-2013 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <unistd.h>
+
+
+int
+__getlogin_r_chk (char *buf, size_t buflen, size_t nreal)
+{
+  if (buflen > nreal)
+    __chk_fail ();
+
+  return getlogin_r (buf, buflen);
+}