FreeBSD/Linux Kernel Cross Reference
sys/contrib/zstd/lib/decompress/zstd_decompress_block.h

     /*
      * Copyright (c) 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 "../common/zstd_deps.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()
     */
    
    
     /* Streaming state is used to inform allocation of the literal buffer */
    typedef enum {
        not_streaming = 0,
        is_streaming = 1
    } streaming_operation;
    
    /* 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, const streaming_operation streaming);
    
    /* 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.
     * The workspace must be 4-byte aligned and at least ZSTD_BUILD_FSE_TABLE_WKSP_SIZE bytes, which is
     * defined in zstd_decompress_internal.h.
     * Internal use only.
     */
    void ZSTD_buildFSETable(ZSTD_seqSymbol* dt,
                 const short* normalizedCounter, unsigned maxSymbolValue,
                 const U32* baseValue, const U8* nbAdditionalBits,
                       unsigned tableLog, void* wksp, size_t wkspSize,
                       int bmi2);
    
    
    #endif /* ZSTD_DEC_BLOCK_H */

Cache object: 9a11daa9af96ac896c31331cbe994b3d