RetroArch/hash.h
2013-02-16 21:43:29 +01:00

53 lines
1.5 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2013 - Hans-Kristian Arntzen
*
* RetroArch 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 Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __RARCH_HASH_H
#define __RARCH_HASH_H
#include <stdint.h>
#include <stddef.h>
#include "msvc/msvc_compat.h"
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
// Hashes sha256 and outputs a human readable string for comparing with the cheat XML values.
void sha256_hash(char *out, const uint8_t *in, size_t size);
#ifdef HAVE_ZLIB
#ifdef WANT_MINIZ
#include "deps/miniz/zlib.h"
#else
#include <zlib.h>
#endif
static inline uint32_t crc32_calculate(const uint8_t *data, size_t length)
{
return crc32(0, data, length);
}
static inline uint32_t crc32_adjust(uint32_t crc, uint8_t data)
{
// zlib and nall have different assumptions on "sign" for this function.
return ~crc32(~crc, &data, 1);
}
#else
uint32_t crc32_calculate(const uint8_t *data, size_t length);
uint32_t crc32_adjust(uint32_t crc, uint8_t data);
#endif
#endif