lib/zstd/compress/zstd_compress_literals.h

   1 /*
   2  * Copyright (c) Yann Collet, Facebook, Inc.
   3  * All rights reserved.
   4  *
   5  * This source code is licensed under both the BSD-style license (found in the
   6  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
   7  * in the COPYING file in the root directory of this source tree).
   8  * You may select, at your option, one of the above-listed licenses.
   9  */
  10
  11 #ifndef ZSTD_COMPRESS_LITERALS_H
  12 #define ZSTD_COMPRESS_LITERALS_H
  13
  14 #include "zstd_compress_internal.h" /* ZSTD_hufCTables_t, ZSTD_minGain() */
  15
  16
  17 size_t ZSTD_noCompressLiterals (void* dst, size_t dstCapacity, const void* src, size_t srcSize);
  18
  19 size_t ZSTD_compressRleLiteralsBlock (void* dst, size_t dstCapacity, const void* src, size_t srcSize);
  20
  21 /* If suspectUncompressible then some sampling checks will be run to potentially skip huffman coding */
  22 size_t ZSTD_compressLiterals (ZSTD_hufCTables_t const* prevHuf,
  23                               ZSTD_hufCTables_t* nextHuf,
  24                               ZSTD_strategy strategy, int disableLiteralCompression,
  25                               void* dst, size_t dstCapacity,
  26                         const void* src, size_t srcSize,
  27                               void* entropyWorkspace, size_t entropyWorkspaceSize,
  28                         const int bmi2,
  29                         unsigned suspectUncompressible);
  30
  31 #endif /* ZSTD_COMPRESS_LITERALS_H */