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extern/stdcxx/4.2.1/util/memchk.h

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+/***************************************************************************
+ *
+ * memchk.cpp - declarations of memory checking helper functions
+ *
+ * $Id: memchk.h 550991 2007-06-26 23:58:07Z sebor $
+ *
+ ***************************************************************************
+ *
+ * Licensed to the Apache Software  Foundation (ASF) under one or more
+ * contributor  license agreements.  See  the NOTICE  file distributed
+ * with  this  work  for  additional information  regarding  copyright
+ * ownership.   The ASF  licenses this  file to  you under  the Apache
+ * License, Version  2.0 (the  "License"); you may  not use  this file
+ * except in  compliance with the License.   You may obtain  a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the  License is distributed on an  "AS IS" BASIS,
+ * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY  KIND, either  express or
+ * implied.   See  the License  for  the  specific language  governing
+ * permissions and limitations under the License.
+ *
+ * Copyright 1994-2006 Rogue Wave Software.
+ * 
+ **************************************************************************/
+
+#ifndef RWSTD_MEMCHK_H_INCLUDED
+#define RWSTD_MEMCHK_H_INCLUDED
+
+#include <cstddef>
+
+// checks if the first argument points to a readable region of memory
+// of the given size; returns the size on success, -1 otherwise
+std::size_t memchk (const void*, std::size_t);
+
+// checks of the argument points to a valid NUL-terminated character
+// string; returns the length of the string on success, -1 otherwise
+std::size_t strchk (const char*);
+
+#endif   // RWSTD_MEMCHK_H_INCLUDED