| /* |
| * Copyright (c) Meta Platforms, Inc. and affiliates. |
| * 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_COMPRESS_LITERALS_H |
| #define ZSTD_COMPRESS_LITERALS_H |
| |
| #include "zstd_compress_internal.h" /* ZSTD_hufCTables_t, ZSTD_minGain() */ |
| |
| |
| size_t ZSTD_noCompressLiterals (void* dst, size_t dstCapacity, const void* src, size_t srcSize); |
| |
| /* ZSTD_compressRleLiteralsBlock() : |
| * Conditions : |
| * - All bytes in @src are identical |
| * - dstCapacity >= 4 */ |
| size_t ZSTD_compressRleLiteralsBlock (void* dst, size_t dstCapacity, const void* src, size_t srcSize); |
| |
| /* ZSTD_compressLiterals(): |
| * @entropyWorkspace: must be aligned on 4-bytes boundaries |
| * @entropyWorkspaceSize : must be >= HUF_WORKSPACE_SIZE |
| * @suspectUncompressible: sampling checks, to potentially skip huffman coding |
| */ |
| size_t ZSTD_compressLiterals (void* dst, size_t dstCapacity, |
| const void* src, size_t srcSize, |
| void* entropyWorkspace, size_t entropyWorkspaceSize, |
| const ZSTD_hufCTables_t* prevHuf, |
| ZSTD_hufCTables_t* nextHuf, |
| ZSTD_strategy strategy, int disableLiteralCompression, |
| int suspectUncompressible, |
| int bmi2); |
| |
| #endif /* ZSTD_COMPRESS_LITERALS_H */ |