1/* Copyright (C) 1995-2020 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#ifdef WCSNCPY
22# define __wcsncpy WCSNCPY
23#endif
24
25/* Copy no more than N wide-characters of SRC to DEST. */
26wchar_t *
27__wcsncpy (wchar_t *dest, const wchar_t *src, size_t n)
28{
29 size_t size = __wcsnlen (src, n);
30 if (size != n)
31 __wmemset (dest + size, L'\0', n - size);
32 return __wmemcpy (dest, src, size);
33}
34#ifndef WCSNCPY
35weak_alias (__wcsncpy, wcsncpy)
36#endif
37