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* wcsmbs/bits/wchar2.h: New file.

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* include/bits/wchar2.h: New file.
	* wcsmbs/wchar.h: Include <bits/wchar2.h> if fortification is
	requested.
	* wcsmbs/wcsncpy.c: Add __wcsncpy alias.
	* string/bits/string3.h: Add fortified stpncpy definitions.
	* sysdeps/generic/stpncpy_chk.c: New file.
	* libio/vswprintf.c: Move _IO_wstrnfile definition to strfile.h.
	Export _IO_wstrn_jumps.
	* libio/strfile.h: Define _IO_wstrnfile and declare _IO_wstrn_jumps.
	* include/wchar.h: Declare __wcsncpy and __vswprintf_chk.
	* debug/fgetws_chk.c: New file.
	* debug/fgetws_u_chk.c: New file.
	* debug/fwprintf_chk.c: New file.
	* debug/swprintf_chk.c: New file.
	* debug/vfwprintf_chk.c: New file.
	* debug/vswprintf_chk.c: New file.
	* debug/vwprintf_chk.c: New file.
	* debug/wcpcpy_chk.c: New file.
	* debug/wcpncpy_chk.c: New file.
	* debug/wcscat_chk.c: New file.
	* debug/wcscpy_chk.c: New file.
	* debug/wcsncat_chk.c: New file.
	* debug/wcsncpy_chk.c: New file.
	* debug/wmemcpy_chk.c: New file.
	* debug/wmemmove_chk.c: New file.
	* debug/wmempcpy_chk.c: New file.
	* debug/wmemset_chk.c: New file.
	* debug/wprintf_chk.c: New file.
	* debug/tst-chk1.c: Add tests for new functions.
	* debug/Versions: Export new functions.
	* debug/Makefile (routines): Add new functions.
This commit is contained in:
Ulrich Drepper
2005-07-15 10:32:45 +00:00
parent f45729d8cd
commit 8215c9ecf2
31 changed files with 1563 additions and 25 deletions
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61
debug/wcscpy_chk.c Normal file
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/* Copyright (C) 1995, 1996, 1997, 2003, 2005 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <stddef.h>
#include <wchar.h>
/* Copy SRC to DEST. */
wchar_t *
__wcscpy_chk (wchar_t *dest, const wchar_t *src, size_t n)
{
wint_t c;
wchar_t *wcp;
if (__alignof__ (wchar_t) >= sizeof (wchar_t))
{
const ptrdiff_t off = dest - src - 1;
wcp = (wchar_t *) src;
do
{
if (__builtin_expect (n-- == 0, 0))
__chk_fail ();
c = *wcp++;
wcp[off] = c;
}
while (c != L'\0');
}
else
{
wcp = dest;
do
{
if (__builtin_expect (n-- == 0, 0))
__chk_fail ();
c = *src++;
*wcp++ = c;
}
while (c != L'\0');
}
return dest;
}