glibc/debug/wmemmove_chk.c

31 lines
1.2 KiB
C

/* Copyright (C) 1996, 1997, 1999, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <wchar.h>
#include <string.h>
wchar_t *
__wmemmove_chk (wchar_t *s1, const wchar_t *s2, size_t n, size_t ns1)
{
if (__builtin_expect (ns1 < n, 0))
__chk_fail ();
return (wchar_t *) memmove ((char *) s1, (char *) s2, n * sizeof (wchar_t));
}