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git.ipfire.org Git - thirdparty/glibc.git/blob - wcsmbs/wcscpy.c
1 /* Copyright (C) 1995-2019 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/>. */
20 #include <loop_unroll.h>
24 # define __wcscpy WCSCPY
27 /* Copy SRC to DEST. */
29 __wcscpy (wchar_t *dest
, const wchar_t *src
)
32 return __wmemcpy (dest
, src
, __wcslen (src
) + 1);
34 /* Some architectures might have costly tail function call (powerpc
35 for instance) where wmemcpy call overhead for smalls sizes might
36 be more costly than just unrolling the main loop. */
39 #define ITERATION(index) \
47 UNROLL_REPEAT(UNROLL_NTIMES
, ITERATION
);
52 weak_alias (__wcscpy
, wcscpy
)
53 libc_hidden_def (__wcscpy
)