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
17size_t ZSTD_noCompressLiterals (void* dst, size_t dstCapacity, const void* src, size_t srcSize);
18
19size_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 */
22size_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 */