scummvm/common/memory.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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; either version 2
 * of the License, or (at your option) any later version.
 *
 * 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; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

#ifndef COMMON_MEMORY_H
#define COMMON_MEMORY_H

#include "common/scummsys.h"

namespace Common {

/**
 * @defgroup common_memory Memory
 * @ingroup common
 *
 * @brief Functions for managing the memory.
 * @{
 */

/**
 * Copies data from the range [first, last) to [dst, dst + (last - first)).
 * It requires the range [dst, dst + (last - first)) to be valid and
 * uninitialized.
 */
template<class In, class Type>
Type *uninitialized_copy(In first, In last, Type *dst) {
	while (first != last)
		new ((void *)dst++) Type(*first++);
	return dst;
}

/**
 * Initializes the memory [first, first + (last - first)) with the value x.
 * It requires the range [first, first + (last - first)) to be valid and
 * uninitialized.
 */
/*template<class Type, class Value>
void uninitialized_fill(Type *first, Type *last, const Value &x) {
	while (first != last)
		new ((void *)first++) Type(x);
}*/

/**
 * Initializes the memory [dst, dst + n) with the value x.
 * It requires the range [dst, dst + n) to be valid and
 * uninitialized.
 */
template<class Type, class Value>
void uninitialized_fill_n(Type *dst, size_t n, const Value &x) {
	while (n--)
		new ((void *)dst++) Type(x);
}

/** @} */

} // End of namespace Common

#endif