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extern/stdcxx/4.2.1/include/ansi/errno.h

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+/***************************************************************************
+ *
+ * errno.h
+ *
+ * $Id: errno.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.
+ * 
+ **************************************************************************/
+
+#include <rw/_defs.h>
+
+#ifndef _RWSTD_NO_DEPRECATED_C_HEADERS
+
+#  ifndef _RWSTD_ERRNO_H_INCLUDED
+#    define _RWSTD_ERRNO_H_INCLUDED
+
+#    include <cerrno>
+
+#    ifndef _RWSTD_NO_NAMESPACE
+
+#      ifndef errno
+
+// be prepared to handle 17.4.1.2, p5 and lwg issue 310
+// which say that errno may and must be a macro, respectively
+
+using std::errno;
+
+#      endif   // errno
+
+#    endif   // _RWSTD_NO_NAMESPACE
+
+#  endif   // _RWSTD_ERRNO_H_INCLUDED
+
+#else
+
+#  if    !defined (errno) \
+      || !defined (EDOM) || !defined (ERANGE) || !defined (EAGAIN)
+#    include _RWSTD_ANSI_C_ERRNO_H
+#  endif   // errno ...
+
+#endif   // _RWSTD_NO_DEPRECATED_C_HEADERS