1/* Copyright (C) 1995-2021 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <wchar.h>
20
21
22/* Copy no more than N wide-characters of SRC to DEST. */
23wchar_t *
24__wcpncpy_chk (wchar_t *dest, const wchar_t *src, size_t n, size_t destlen)
25{
26 if (__glibc_unlikely (destlen < n))
27 __chk_fail ();
28
29 /* This function is not often enough used to justify not using a
30 tail call. */
31 return __wcpncpy (dest, src, n);
32}
33