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/* Copyright (C) 1995-2014 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>
/* Copy no more than N wide-characters of SRC to DEST. */
wchar_t *
__wcsncpy_chk (wchar_t *dest, const wchar_t *src, size_t n, size_t destlen)
{
if (__builtin_expect (destlen < n, 0))
__chk_fail ();
/* This function is not often enough used to justify not using a
tail call. */
return __wcsncpy (dest, src, n);
}
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