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35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
/* Copyright (C) 2005-2014 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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 <locale.h>
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#include <string.h>
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#include <wchar.h>
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size_t
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__mbstowcs_chk (wchar_t *dst, const char *src, size_t len, size_t dstlen)
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{
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if (__builtin_expect (dstlen < len, 0))
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__chk_fail ();
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mbstate_t state;
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memset (&state, '\0', sizeof state);
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/* Return how many we wrote (or maybe an error). */
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return __mbsrtowcs (dst, &src, len, &state);
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}
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