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115 lines
2.3 KiB
C++
115 lines
2.3 KiB
C++
/* mySTL helpers.hpp
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*
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* Copyright (C) 2003 Sawtooth Consulting Ltd.
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*
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* This file is part of yaSSL.
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*
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* yaSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* yaSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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/* mySTL helpers implements misc constructs for vector and list
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*
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*/
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#ifndef mySTL_HELPERS_HPP
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#define mySTL_HELPERS_HPP
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#include <stdlib.h>
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#include <new> // placement new
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#ifdef __IBMCPP__
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/*
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Workaround for the lack of operator new(size_t, void*)
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in IBM VA C++ 6.0
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*/
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struct Dummy {};
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inline void* operator new(size_t size, Dummy* d)
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{
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return static_cast<void*>(d);
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}
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typedef Dummy* yassl_pointer;
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#else
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typedef void* yassl_pointer;
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#endif
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namespace mySTL {
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template <typename T, typename T2>
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inline void construct(T* p, const T2& value)
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{
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new (reinterpret_cast<yassl_pointer>(p)) T(value);
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}
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template <typename T>
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inline void construct(T* p)
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{
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new (reinterpret_cast<yassl_pointer>(p)) T();
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}
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template <typename T>
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inline void destroy(T* p)
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{
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p->~T();
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}
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template <typename Iter>
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void destroy(Iter first, Iter last)
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{
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while (first != last) {
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destroy(&*first);
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++first;
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}
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}
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template <typename Iter, typename PlaceIter>
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PlaceIter uninit_copy(Iter first, Iter last, PlaceIter place)
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{
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while (first != last) {
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construct(&*place, *first);
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++first;
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++place;
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}
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return place;
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}
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template <typename PlaceIter, typename Size, typename T>
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PlaceIter uninit_fill_n(PlaceIter place, Size n, const T& value)
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{
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while (n) {
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construct(&*place, value);
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--n;
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++place;
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}
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return place;
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}
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} // namespace mySTL
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#endif // mySTL_HELPERS_HPP
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