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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /debug/wcstombs_chk.c
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'debug/wcstombs_chk.c')
-rw-r--r--debug/wcstombs_chk.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/debug/wcstombs_chk.c b/debug/wcstombs_chk.c
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+++ b/debug/wcstombs_chk.c
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+/* 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 <locale.h>
+#include <string.h>
+#include <wchar.h>
+
+
+size_t
+__wcstombs_chk (char *dst, __const wchar_t *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 __wcsrtombs (dst, &src, len, &state);
+}