/* * virhashcode.h: hash code generation * * Copyright (C) 2012 Red Hat, Inc. * * This 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 2.1 of the License, or (at your option) any later version. * * This 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 this library. If not, see * . * * The hash code generation is based on the public domain MurmurHash3 from Austin Appleby: * http://code.google.com/p/smhasher/source/browse/trunk/MurmurHash3.cpp * * We use only the 32 bit variant because the 2 produce different result while * we need to produce the same result regardless of the architecture as * clients can be both 64 or 32 bit at the same time. */ #pragma once #include "internal.h" uint32_t virHashCodeGen(const void *key, size_t len, uint32_t seed) ATTRIBUTE_NOINLINE;