ghcup-hs/3rdparty/libarchive/c/archive_xxhash.h

49 lines
1.9 KiB
C

/*-
* Copyright (c) 2014 Michihiro NAKAJIMA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef ARCHIVE_XXHASH_H_INCLUDED
#define ARCHIVE_XXHASH_H_INCLUDED
#ifndef __LIBARCHIVE_BUILD
#error This header is only to be used internally to libarchive.
#endif
typedef enum { XXH_OK=0, XXH_ERROR } XXH_errorcode;
struct archive_xxhash {
unsigned int (*XXH32)(const void* input, unsigned int len,
unsigned int seed);
void* (*XXH32_init)(unsigned int seed);
XXH_errorcode (*XXH32_update)(void* state, const void* input,
unsigned int len);
unsigned int (*XXH32_digest)(void* state);
};
extern const struct archive_xxhash __archive_xxhash;
#endif