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e5ece9de14
The src pointer is const and points to a different object, so accessing dest via src is invalid. Reviewed-by: Florian Weimer <fweimer@redhat.com>
40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
/* Copyright (C) 1995-2022 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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<https://www.gnu.org/licenses/>. */
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#include <stddef.h>
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#include <wchar.h>
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/* Copy SRC to DEST. */
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wchar_t *
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__wcscpy_chk (wchar_t *dest, const wchar_t *src, size_t n)
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{
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wint_t c;
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wchar_t *wcp = dest;
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do
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{
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if (__glibc_unlikely (n-- == 0))
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__chk_fail ();
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c = *src++;
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*wcp++ = c;
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}
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while (c != L'\0');
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return dest;
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}
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