diff options
Diffstat (limited to 'lib/compress/zstd_compress_literals.c')
| -rw-r--r-- | lib/compress/zstd_compress_literals.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/lib/compress/zstd_compress_literals.c b/lib/compress/zstd_compress_literals.c index 6dd1c1447a93..52b0a8059aba 100644 --- a/lib/compress/zstd_compress_literals.c +++ b/lib/compress/zstd_compress_literals.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc. + * Copyright (c) Yann Collet, Facebook, Inc. * All rights reserved. * * This source code is licensed under both the BSD-style license (found in the @@ -15,7 +15,7 @@ size_t ZSTD_noCompressLiterals (void* dst, size_t dstCapacity, const void* src, size_t srcSize) { - BYTE* const ostart = (BYTE* const)dst; + BYTE* const ostart = (BYTE*)dst; U32 const flSize = 1 + (srcSize>31) + (srcSize>4095); RETURN_ERROR_IF(srcSize + flSize > dstCapacity, dstSize_tooSmall, ""); @@ -42,7 +42,7 @@ size_t ZSTD_noCompressLiterals (void* dst, size_t dstCapacity, const void* src, size_t ZSTD_compressRleLiteralsBlock (void* dst, size_t dstCapacity, const void* src, size_t srcSize) { - BYTE* const ostart = (BYTE* const)dst; + BYTE* const ostart = (BYTE*)dst; U32 const flSize = 1 + (srcSize>31) + (srcSize>4095); (void)dstCapacity; /* dstCapacity already guaranteed to be >=4, hence large enough */ @@ -73,7 +73,8 @@ size_t ZSTD_compressLiterals (ZSTD_hufCTables_t const* prevHuf, void* dst, size_t dstCapacity, const void* src, size_t srcSize, void* entropyWorkspace, size_t entropyWorkspaceSize, - const int bmi2) + const int bmi2, + unsigned suspectUncompressible) { size_t const minGain = ZSTD_minGain(srcSize, strategy); size_t const lhSize = 3 + (srcSize >= 1 KB) + (srcSize >= 16 KB); @@ -105,11 +106,11 @@ size_t ZSTD_compressLiterals (ZSTD_hufCTables_t const* prevHuf, HUF_compress1X_repeat( ostart+lhSize, dstCapacity-lhSize, src, srcSize, HUF_SYMBOLVALUE_MAX, HUF_TABLELOG_DEFAULT, entropyWorkspace, entropyWorkspaceSize, - (HUF_CElt*)nextHuf->CTable, &repeat, preferRepeat, bmi2) : + (HUF_CElt*)nextHuf->CTable, &repeat, preferRepeat, bmi2, suspectUncompressible) : HUF_compress4X_repeat( ostart+lhSize, dstCapacity-lhSize, src, srcSize, HUF_SYMBOLVALUE_MAX, HUF_TABLELOG_DEFAULT, entropyWorkspace, entropyWorkspaceSize, - (HUF_CElt*)nextHuf->CTable, &repeat, preferRepeat, bmi2); + (HUF_CElt*)nextHuf->CTable, &repeat, preferRepeat, bmi2, suspectUncompressible); if (repeat != HUF_repeat_none) { /* reused the existing table */ DEBUGLOG(5, "Reusing previous huffman table"); @@ -117,7 +118,7 @@ size_t ZSTD_compressLiterals (ZSTD_hufCTables_t const* prevHuf, } } - if ((cLitSize==0) | (cLitSize >= srcSize - minGain) | ERR_isError(cLitSize)) { + if ((cLitSize==0) || (cLitSize >= srcSize - minGain) || ERR_isError(cLitSize)) { ZSTD_memcpy(nextHuf, prevHuf, sizeof(*prevHuf)); return ZSTD_noCompressLiterals(dst, dstCapacity, src, srcSize); } |