Have memmove call __builtin_memcopy on PowerPC if src and dest don't overlap.
[glibc.git] / wcsmbs / wmemset.c
blobcc9a7250e6ffe9134474678541f7bf56c99bd961
1 /* Copyright (C) 1996,97,99,2002 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@gnu.org>, 1996.
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.
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.
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 <http://www.gnu.org/licenses/>. */
19 #include <wchar.h>
22 wchar_t *
23 wmemset (s, c, n)
24 wchar_t *s;
25 wchar_t c;
26 size_t n;
28 register wchar_t *wp = s;
30 while (n >= 4)
32 wp[0] = c;
33 wp[1] = c;
34 wp[2] = c;
35 wp[3] = c;
36 wp += 4;
37 n -= 4;
40 if (n > 0)
42 wp[0] = c;
44 if (n > 1)
46 wp[1] = c;
48 if (n > 2)
49 wp[2] = c;
53 return s;
55 libc_hidden_def (wmemset)