sortix-mirror/libmaxsi/memmove.cpp

39 lines
1.3 KiB
C++

/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
This file is part of LibMaxsi.
LibMaxsi 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.
LibMaxsi 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 LibMaxsi. 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;
}