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Jose Caban
161
extern/stdcxx/4.2.1/include/rw/_select.h
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extern/stdcxx/4.2.1/include/rw/_select.h
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/***************************************************************************
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*
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* _select.h - Definitions of helper templates
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*
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* This is an internal header file used to implement the C++ Standard
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* Library. It should never be #included directly by a program.
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*
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* $Id: _select.h 451936 2006-10-02 09:51:24Z faridz $
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*
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***************************************************************************
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*
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* Copyright 1994-2005 Rogue Wave Software.
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*
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**************************************************************************/
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#ifndef _RWSTD_RW_SELECT_H_INCLUDED
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#define _RWSTD_RW_SELECT_H_INCLUDED
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#ifndef _RWSTD_RW_DEFS_H_INCLUDED
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# include <rw/_defs.h>
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#endif // _RWSTD_RW_DEFS_H_INCLUDED
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_RWSTD_NAMESPACE (__rw) {
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struct __rw_false_t { enum { _C_val }; };
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struct __rw_true_t { enum { _C_val = 1 }; };
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template <class _TypeT>
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struct __rw_select_int
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{
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typedef void* _SelectT;
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#if defined (__SUNPRO_CC) && __SUNPRO_CC <= 0x530
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void* _C_selector;
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#endif // SunPro
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};
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#define _RWSTD_SPECIALIZE_IS_INT(T) \
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_RWSTD_SPECIALIZED_CLASS \
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struct __rw_select_int<T> { \
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typedef int _SelectT; \
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enum { _C_selector = 1 }; \
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}
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#ifndef _RWSTD_NO_NATIVE_BOOL
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_RWSTD_SPECIALIZE_IS_INT (bool);
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#endif // _RWSTD_NO_NATIVE_BOOL
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_RWSTD_SPECIALIZE_IS_INT (char);
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_RWSTD_SPECIALIZE_IS_INT (signed char);
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_RWSTD_SPECIALIZE_IS_INT (unsigned char);
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_RWSTD_SPECIALIZE_IS_INT (short);
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_RWSTD_SPECIALIZE_IS_INT (unsigned short);
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_RWSTD_SPECIALIZE_IS_INT (int);
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_RWSTD_SPECIALIZE_IS_INT (unsigned int);
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_RWSTD_SPECIALIZE_IS_INT (long);
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_RWSTD_SPECIALIZE_IS_INT (unsigned long);
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#ifdef _RWSTD_LONG_LONG
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_RWSTD_SPECIALIZE_IS_INT (_RWSTD_LONG_LONG);
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_RWSTD_SPECIALIZE_IS_INT (unsigned _RWSTD_LONG_LONG);
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#endif // _RWSTD_LONG_LONG
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#ifndef _RWSTD_NO_NATIVE_WCHAR_T
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_RWSTD_SPECIALIZE_IS_INT (wchar_t);
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#endif // _RWSTD_NO_NATIVE_WCHAR_T
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#if !defined (__SUNPRO_CC) || __SUNPRO_CC > 0x530
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# define _RWSTD_DISPATCH(iter) \
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(_TYPENAME _RW::__rw_select_int< iter >::_SelectT (1))
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#else
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// working around a SunPro 5.3 a prior bug (PR #28739)
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# define _RWSTD_DISPATCH(iter) _RW::__rw_select_int< iter >()._C_selector
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#endif
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#ifndef _RWSTD_NO_CLASS_PARTIAL_SPEC
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template <class _TypeT, class _TypeU>
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struct __rw_is_same
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{
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typedef __rw_false_t _C_type;
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enum { _C_val };
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};
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template <class _TypeT>
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struct __rw_is_same<_TypeT, _TypeT>
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{
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typedef __rw_true_t _C_type;
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enum { _C_val = 1 };
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};
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#else // if defined (_RWSTD_NO_CLASS_PARTIAL_SPEC)
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template <bool flag>
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struct __rw_bool_t
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{
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typedef __rw_false_t _C_type;
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};
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_RWSTD_SPECIALIZED_CLASS
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struct __rw_bool_t<true>
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{
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typedef __rw_true_t _C_type;
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};
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template <class _TypeT, class _TypeU>
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struct __rw_is_same
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{
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struct _C_yes {};
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struct _C_no { _C_yes no_ [2]; };
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template <class _TypeV>
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struct _C_Type {};
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static _C_yes test (_C_Type<_TypeT>, _C_Type<_TypeT>);
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static _C_no test (...);
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enum { _C_val = sizeof (test (_C_Type<_TypeT> (),
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_C_Type<_TypeU> ())) == sizeof (_C_yes) };
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typedef _TYPENAME __rw_bool_t<_C_val>::_C_type _C_type;
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};
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#endif // _RWSTD_NO_CLASS_PARTIAL_SPEC
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} // namespace __rw
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# if defined (__IBMCPP__) && __IBMCPP__ <= 500
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// working around an xlC 5.0 bug
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_USING (__rw::__rw_select_int);
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# endif // VisualAge 5.0
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#endif // _RWSTD_RW_SELECT_H_INCLUDED
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