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/*
Copyright (C) 2000-2007 MySQL AB
Use is subject to license terms
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
MA 02110-1335 USA.
*/
/* mySTL helpers implements misc constructs for vector and list
*
*/
#ifndef mySTL_HELPERS_HPP
#define mySTL_HELPERS_HPP
#include <stdlib.h>
#ifdef _MSC_VER
#include <new>
#endif
/*
Workaround for the lack of operator new(size_t, void*)
in IBM VA C++ 6.0
Also used as a workaround to avoid including <new>
*/
struct Dummy {};
inline void* operator new(size_t size, Dummy* d)
{
return static_cast<void*>(d);
}
// for compilers that want matching delete
inline void operator delete(void* ptr, Dummy* d)
{
}
typedef Dummy* yassl_pointer;
namespace mySTL {
template <typename T, typename T2>
inline void construct(T* p, const T2& value)
{
new (reinterpret_cast<yassl_pointer>(p)) T(value);
}
template <typename T>
inline void construct(T* p)
{
new (reinterpret_cast<yassl_pointer>(p)) T();
}
template <typename T>
inline void destroy(T* p)
{
p->~T();
}
template <typename Iter>
void destroy(Iter first, Iter last)
{
while (first != last) {
destroy(&*first);
++first;
}
}
template <typename Iter, typename PlaceIter>
PlaceIter uninit_copy(Iter first, Iter last, PlaceIter place)
{
while (first != last) {
construct(&*place, *first);
++first;
++place;
}
return place;
}
template <typename PlaceIter, typename Size, typename T>
PlaceIter uninit_fill_n(PlaceIter place, Size n, const T& value)
{
while (n) {
construct(&*place, value);
--n;
++place;
}
return place;
}
template <typename T>
T* GetArrayMemory(size_t items)
{
unsigned char* ret;
#ifdef YASSL_LIB
ret = NEW_YS unsigned char[sizeof(T) * items];
#else
ret = NEW_TC unsigned char[sizeof(T) * items];
#endif
return reinterpret_cast<T*>(ret);
}
template <typename T>
void FreeArrayMemory(T* ptr)
{
unsigned char* p = reinterpret_cast<unsigned char*>(ptr);
#ifdef YASSL_LIB
yaSSL::ysArrayDelete(p);
#else
TaoCrypt::tcArrayDelete(p);
#endif
}
inline void* GetMemory(size_t bytes)
{
return GetArrayMemory<unsigned char>(bytes);
}
inline void FreeMemory(void* ptr)
{
FreeArrayMemory(ptr);
}
} // namespace mySTL
#endif // mySTL_HELPERS_HPP
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