From 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Thu, 12 Jul 2007 18:26:36 +0000 Subject: 2.5-18.1 --- debug/mbstowcs_chk.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 debug/mbstowcs_chk.c (limited to 'debug/mbstowcs_chk.c') diff --git a/debug/mbstowcs_chk.c b/debug/mbstowcs_chk.c new file mode 100644 index 0000000000..d1403c5d2b --- /dev/null +++ b/debug/mbstowcs_chk.c @@ -0,0 +1,35 @@ +/* Copyright (C) 2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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 +#include +#include + + +size_t +__mbstowcs_chk (wchar_t *dst, const char *src, size_t len, size_t dstlen) +{ + if (__builtin_expect (dstlen < len, 0)) + __chk_fail (); + + mbstate_t state; + + memset (&state, '\0', sizeof state); + /* Return how many we wrote (or maybe an error). */ + return __mbsrtowcs (dst, &src, len, &state); +} -- cgit 1.4.1