3 files changed, 27 insertions, 2 deletions
diff --git a/wcsmbs/Makefile b/wcsmbs/Makefile
index 44a4494..3858d74 100644
--- a/wcsmbs/Makefile
+++ b/wcsmbs/Makefile
@@ -42,7 +42,7 @@ routines := wcscat wcschr wcscmp wcscpy wcscspn wcsdup wcslen wcsncat \
 	    isoc99_swscanf isoc99_vswscanf \
 	    mbrtoc16 c16rtomb
 
-strop-tests :=  wcscmp wcsncmp wmemcmp wcslen wcschr wcsrchr wcscpy
+strop-tests :=  wcscmp wcsncmp wmemcmp wcslen wcschr wcsrchr wcscpy wcsnlen
 tests := tst-wcstof wcsmbs-tst1 tst-wcsnlen tst-btowc tst-mbrtowc \
 	 tst-wcrtomb tst-wcpncpy tst-mbsrtowcs tst-wchar-h tst-mbrtowc2 \
 	 tst-c16c32-1 wcsatcliff $(addprefix test-,$(strop-tests))
diff --git a/wcsmbs/test-wcsnlen.c b/wcsmbs/test-wcsnlen.c
new file mode 100644
index 0000000..262ab30
--- /dev/null
+++ b/wcsmbs/test-wcsnlen.c
@@ -0,0 +1,20 @@
+/* Test wcsnlen function.
+   Copyright (C) 2015 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/>.  */
+
+#define WIDE 1
+#include "../string/test-strnlen.c"
diff --git a/wcsmbs/wcsnlen.c b/wcsmbs/wcsnlen.c
index 2bee705..e928ab6 100644
--- a/wcsmbs/wcsnlen.c
+++ b/wcsmbs/wcsnlen.c
@@ -18,8 +18,11 @@
 
 #include <wchar.h>
 
+#ifdef WCSNLEN
+# define __wcsnlen WCSNLEN
+#endif
 
-/* Copy SRC to DEST.  */
+/* Return length of string S at most maxlen.  */
 size_t
 __wcsnlen (s, maxlen)
      const wchar_t *s;
@@ -44,4 +47,6 @@ __wcsnlen (s, maxlen)
 
   return len;
 }
+#ifndef WCSNLEN
 weak_alias (__wcsnlen, wcsnlen)
+#endif