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#ifndef WCSNCAT
22# define WCSNCAT wcsncat
23#endif
24
25/* Append no more than N wide-character of SRC onto DEST. */
26wchar_t *
27WCSNCAT (wchar_t *dest, const wchar_t *src, size_t n)
28{
29 wchar_t *ret = dest;
30
31 /* Find the end of dest. */
32 dest += __wcslen (dest);
33
34 size_t ds = __wcsnlen (src, n);
35
36 dest[ds] = L'\0';
37 __wmemcpy (dest, src, ds);
38
39 return ret;
40}
41