From 8215c9ecf27714c7ec607aba0085383ef923777a Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Fri, 15 Jul 2005 10:32:45 +0000
Subject: * wcsmbs/bits/wchar2.h: New file.

	* 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.
---
 debug/wcscpy_chk.c | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 debug/wcscpy_chk.c

(limited to 'debug/wcscpy_chk.c')

diff --git a/debug/wcscpy_chk.c b/debug/wcscpy_chk.c
new file mode 100644
index 0000000000..93b78cd01c
--- /dev/null
+++ b/debug/wcscpy_chk.c
@@ -0,0 +1,61 @@
+/* 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;
+}
-- 
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