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+/*
+ Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
+
+ 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 02110-1301 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