mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2025-10-26 18:05:04 +03:00
38468bbad6
Sponsored-by: https://despairlabs.com/sponsor/ Signed-off-by: Rob Norris <robn@despairlabs.com> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
61 lines
2.0 KiB
C
61 lines
2.0 KiB
C
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
|
|
/*
|
|
* Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This source code is licensed under both the BSD-style license (found in the
|
|
* LICENSE file in the root directory of this source tree) and the GPLv2 (found
|
|
* in the COPYING file in the root directory of this source tree).
|
|
* You may select, at your option, one of the above-listed licenses.
|
|
*/
|
|
|
|
|
|
#ifndef ZSTD_DEC_BLOCK_H
|
|
#define ZSTD_DEC_BLOCK_H
|
|
|
|
/*-*******************************************************
|
|
* Dependencies
|
|
*********************************************************/
|
|
#include <stddef.h> /* size_t */
|
|
#include "../zstd.h" /* DCtx, and some public functions */
|
|
#include "../common/zstd_internal.h" /* blockProperties_t, and some public functions */
|
|
#include "zstd_decompress_internal.h" /* ZSTD_seqSymbol */
|
|
|
|
|
|
/* === Prototypes === */
|
|
|
|
/* note: prototypes already published within `zstd.h` :
|
|
* ZSTD_decompressBlock()
|
|
*/
|
|
|
|
/* note: prototypes already published within `zstd_internal.h` :
|
|
* ZSTD_getcBlockSize()
|
|
* ZSTD_decodeSeqHeaders()
|
|
*/
|
|
|
|
|
|
/* ZSTD_decompressBlock_internal() :
|
|
* decompress block, starting at `src`,
|
|
* into destination buffer `dst`.
|
|
* @return : decompressed block size,
|
|
* or an error code (which can be tested using ZSTD_isError())
|
|
*/
|
|
size_t ZSTD_decompressBlock_internal(ZSTD_DCtx* dctx,
|
|
void* dst, size_t dstCapacity,
|
|
const void* src, size_t srcSize, const int frame);
|
|
|
|
/* ZSTD_buildFSETable() :
|
|
* generate FSE decoding table for one symbol (ll, ml or off)
|
|
* this function must be called with valid parameters only
|
|
* (dt is large enough, normalizedCounter distribution total is a power of 2, max is within range, etc.)
|
|
* in which case it cannot fail.
|
|
* Internal use only.
|
|
*/
|
|
void ZSTD_buildFSETable(ZSTD_seqSymbol* dt,
|
|
const short* normalizedCounter, unsigned maxSymbolValue,
|
|
const U32* baseValue, const U32* nbAdditionalBits,
|
|
unsigned tableLog);
|
|
|
|
|
|
#endif /* ZSTD_DEC_BLOCK_H */
|