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authorUlrich Drepper <drepper@redhat.com>2005-07-25 21:41:45 +0000
committerUlrich Drepper <drepper@redhat.com>2005-07-25 21:41:45 +0000
commit02ca3541ce1b81a6778ca811cc251a30280d0120 (patch)
tree579e15f10e08b0f7bf7f154f98dfd524a7430aa5 /debug/mbstowcs_chk.c
parent09987e425cce292a7202de18a9ef1bb62529a77f (diff)
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* debug/mbstowcs_chk.c: New file.
	* debug/wcstombs_chk.c: New file.
	* debug/Makefile (routines): Add mbstowcs_chk and wcstombs_chk.
	* debug/Versions: Add __mbstowcs_chk and __wcstombs_chk.
	* stdlib/bits/stdlib.h: Add definitions for mbstowcs and wcstombs.

	* wcsmbs/bits/wchar2.h (mbsrtowcs): Pretty printing.

	* string/test-memset.c (test_main): Use negative byte value in
Diffstat (limited to 'debug/mbstowcs_chk.c')
-rw-r--r--debug/mbstowcs_chk.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/debug/mbstowcs_chk.c b/debug/mbstowcs_chk.c
new file mode 100644
index 0000000000..2c1c3bb2c1
--- /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 <locale.h>
+#include <string.h>
+#include <wchar.h>
+
+
+size_t
+__mbstowcs_chk (wchar_t *dst, const char **src, size_t len, size_t dstlen)
+{
+  if (__builtin_expect (dstlen < len * sizeof (wchar_t), 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);
+}