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/* Copyright (C) 1995-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <wchar.h>
#ifdef WCSCAT
# define __wcscat WCSCAT
#endif
/* Append SRC on the end of DEST. */
wchar_t *
__wcscat (wchar_t *dest, const wchar_t *src)
{
wchar_t *s1 = dest;
const wchar_t *s2 = src;
wchar_t c;
/* Find the end of the string. */
do
c = *s1++;
while (c != L'\0');
/* Make S1 point before the next character, so we can increment
it while memory is read (wins on pipelined cpus). */
s1 -= 2;
do
{
c = *s2++;
*++s1 = c;
}
while (c != L'\0');
return dest;
}
#ifndef WCSCAT
weak_alias (__wcscat, wcscat)
#endif
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