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33 lines
1.2 KiB
C
33 lines
1.2 KiB
C
/* Copyright (C) 1995, 1996, 1997, 2005 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <wchar.h>
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/* Copy no more than N wide-characters of SRC to DEST. */
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wchar_t *
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__wcsncpy_chk (wchar_t *dest, const wchar_t *src, size_t n, size_t destlen)
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{
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if (__builtin_expect (destlen < n, 0))
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__chk_fail ();
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/* This function is not often enough used to justify not using a
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tail call. */
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return __wcsncpy (dest, src, n);
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}
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