sortix--sortix/libc/memmove.cpp

/*******************************************************************************

	Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.

	This file is part of the Sortix C Library.

	The Sortix C Library is free software: you can redistribute it and/or modify
	it under the terms of the GNU Lesser General Public License as published by
	the Free Software Foundation, either version 3 of the License, or (at your
	option) any later version.

	The Sortix C Library 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 Lesser General Public
	License for more details.

	You should have received a copy of the GNU Lesser General Public License
	along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.

	memmove.cpp
	Copy memory between potentionally overlapping regions.

*******************************************************************************/

#include <stdint.h>
#include <string.h>

// TODO: This is a hacky implementation!
extern "C" void* memmove(void* _dest, const void* _src, size_t n)
{
	uint8_t* dest = (uint8_t*) _dest;
	const uint8_t* src = (const uint8_t*) _src;
	uint8_t* tmp = new uint8_t[n];
	memcpy(tmp, src, n);
	memcpy(dest, tmp, n);
	delete[] tmp;
	return _dest;
}