1 /* Copyright (C) 1995, 1996, 1997, 2005 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
23 /* Append no more than N wide-character of SRC onto DEST. */
25 __wcsncat_chk (wchar_t *dest, const wchar_t *src, size_t n, size_t destlen)
28 wchar_t * const s = dest;
30 /* Find the end of DEST. */
33 if (__builtin_expect (destlen-- == 0, 0))
39 /* Make DEST point before next character, so we can increment
40 it while memory is read (wins on pipelined cpus). */
49 if (__builtin_expect (destlen-- == 0, 0))
55 if (__builtin_expect (destlen-- == 0, 0))
61 if (__builtin_expect (destlen-- == 0, 0))
67 if (__builtin_expect (destlen-- == 0, 0))
79 if (__builtin_expect (destlen-- == 0, 0))
90 if (__builtin_expect (destlen-- == 0, 0))