/*

 * Copyright (c) 2016-present, 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 "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 */