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https://github.com/libretro/scummvm.git
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f14eba23d9
Now our Array class distinguishs between initialized and uninitialized objects. It furthermore always calls the destructor of no longer contained elements. This should help with non-POD objects stored in our Array class. Thanks to Bertrand for his feedback on this.
76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef COMMON_MEMORY_H
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#define COMMON_MEMORY_H
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#include "common/scummsys.h"
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// FIXME: We sadly can't assume standard C++ headers to be present on every
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// system we support, so we should get rid of this. The solution should be to
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// write a simple placement new on our own. It might be noteworthy we can't
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// easily do that for systems which do have a <new>, since it might clash with
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// the default definition otherwise!
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// Symbian does not have <new> but the new operator
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#if !defined(__SYMBIAN32__)
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#include <new>
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#endif
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namespace Common {
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/**
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* Copies data from the range [first, last) to [dst, dst + (last - first)).
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* It requires the range [dst, dst + (last - first)) to be valid and
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* uninitialized.
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*/
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template<class In, class Type>
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Type *uninitialized_copy(In first, In last, Type *dst) {
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while (first != last)
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new ((void *)dst++) Type(*first++);
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return dst;
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}
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/**
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* Initializes the memory [first, first + (last - first)) with the value x.
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* It requires the range [first, first + (last - first)) to be valid and
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* uninitialized.
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*/
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/*template<class Type, class Value>
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void uninitialized_fill(Type *first, Type *last, const Value &x) {
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while (first != last)
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new ((void *)first++) Type(x);
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}*/
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/**
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* Initializes the memory [dst, dst + n) with the value x.
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* It requires the range [dst, dst + n) to be valid and
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* uninitialized.
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*/
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/*template<class Type, class Value>
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void uninitialized_fill_n(Type *dst, size_t n, const Value &x) {
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while (n--)
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new ((void *)dst++) Type(x);
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}*/
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} // End of namespace Common
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#endif
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