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
20#ifdef WMEMSET
21# define __wmemset WMEMSET
22#endif
23
24wchar_t *
25__wmemset (wchar_t *s, wchar_t c, size_t n)
26{
27 wchar_t *wp = s;
28
29 while (n >= 4)
30 {
31 wp[0] = c;
32 wp[1] = c;
33 wp[2] = c;
34 wp[3] = c;
35 wp += 4;
36 n -= 4;
37 }
38
39 if (n > 0)
40 {
41 wp[0] = c;
42
43 if (n > 1)
44 {
45 wp[1] = c;
46
47 if (n > 2)
48 wp[2] = c;
49 }
50 }
51
52 return s;
53}
54libc_hidden_def (__wmemset)
55weak_alias (__wmemset, wmemset)
56libc_hidden_weak (wmemset)
57

source code of glibc/wcsmbs/wmemset.c