benchtests: Add strtok benchmark
[glibc.git] / wcsmbs / wcscpy.c
blob50d9fef97a5153dfcc3962f8524104a732576033
1 /* Copyright (C) 1995-2013 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.
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 <stddef.h>
20 #include <wchar.h>
23 #ifndef WCSCPY
24 # define WCSCPY wcscpy
25 #endif
27 /* Copy SRC to DEST. */
28 wchar_t *
29 WCSCPY (dest, src)
30 wchar_t *dest;
31 const wchar_t *src;
33 wint_t c;
34 wchar_t *wcp;
36 if (__alignof__ (wchar_t) >= sizeof (wchar_t))
38 const ptrdiff_t off = dest - src - 1;
40 wcp = (wchar_t *) src;
44 c = *wcp++;
45 wcp[off] = c;
47 while (c != L'\0');
49 else
51 wcp = dest;
55 c = *src++;
56 *wcp++ = c;
58 while (c != L'\0');
61 return dest;