1 /* Copyright (C) 1996-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #include <wchar.h>
19 #include <string.h>
20
21
22 wchar_t *
__wmemcpy_chk(wchar_t * s1,const wchar_t * s2,size_t n,size_t ns1)23 __wmemcpy_chk (wchar_t *s1, const wchar_t *s2, size_t n, size_t ns1)
24 {
25 if (__glibc_unlikely (ns1 < n))
26 __chk_fail ();
27 return (wchar_t *) memcpy ((char *) s1, (char *) s2, n * sizeof (wchar_t));
28 }
29