libcruft-util/adler.cpp

31 lines
957 B
C++

/*
* This file is part of libgim.
*
* libgim 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 3 of the License, or (at your option) any later
* version.
*
* libgim 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 libgim. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2010 Danny Robson <danny@nerdcruft.net>
*/
#include "adler.hpp"
#include "debug.hpp"
#include "fletcher.hpp"
static const unsigned MODULUS = 65521;
uint32_t
adler32 (const void* restrict _data, size_t _size)
{ return fletcher<32, MODULUS, 1, 0> (_data, _size); }