lib/zstd
1
0
Fork 0
mirror of https://github.com/facebook/zstd.git synced 2025-07-30 22:23:13 +03:00
Code Activity

update minimum threshold for max block size

Browse Source
This commit is contained in:
Danielle Rozenblit
2023-01-11 11:09:57 -08:00
parent fe08137d9a
commit 1fffcfe01d
3 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
lib/compress/zstd_compress.c
View File

@ -361,7 +361,6 @@ size_t ZSTD_CCtxParams_init(ZSTD_CCtx_params* cctxParams, int compressionLevel)
ZSTD_memset(cctxParams, 0, sizeof(*cctxParams)); ZSTD_memset(cctxParams, 0, sizeof(*cctxParams));
cctxParams->compressionLevel = compressionLevel; cctxParams->compressionLevel = compressionLevel;
cctxParams->fParams.contentSizeFlag = 1; cctxParams->fParams.contentSizeFlag = 1;
// cctxParams->maxBlockSize = ZSTD_BLOCKSIZE_MAX;
return 0; return 0;
} }
@ -617,7 +616,7 @@ ZSTD_bounds ZSTD_cParam_getBounds(ZSTD_cParameter param)
return bounds; return bounds;
case ZSTD_c_maxBlockSize: case ZSTD_c_maxBlockSize:
bounds.lowerBound = 1; bounds.lowerBound = ZSTD_BLOCKSIZE_MAX_MIN;
bounds.upperBound = ZSTD_BLOCKSIZE_MAX; bounds.upperBound = ZSTD_BLOCKSIZE_MAX;
return bounds; return bounds;

1
lib/zstd.h
View File

@ -141,6 +141,7 @@ ZSTDLIB_API const char* ZSTD_versionString(void);
#define ZSTD_BLOCKSIZELOG_MAX 17 #define ZSTD_BLOCKSIZELOG_MAX 17
#define ZSTD_BLOCKSIZE_MAX (1<<ZSTD_BLOCKSIZELOG_MAX) #define ZSTD_BLOCKSIZE_MAX (1<<ZSTD_BLOCKSIZELOG_MAX)
#define ZSTD_BLOCKSIZE_MAX_MIN 1 << 10 /* The minimum valid max blocksize. Maximum blocksizes smaller than this make compressBound() inaccurate. */
/*************************************** /***************************************

2
tests/fuzz/zstd_helpers.c
View File

@ -104,7 +104,7 @@ void FUZZ_setRandomParameters(ZSTD_CCtx *cctx, size_t srcSize, FUZZ_dataProducer
setRand(cctx, ZSTD_c_useBlockSplitter, 0, 2, producer); setRand(cctx, ZSTD_c_useBlockSplitter, 0, 2, producer);
setRand(cctx, ZSTD_c_deterministicRefPrefix, 0, 1, producer); setRand(cctx, ZSTD_c_deterministicRefPrefix, 0, 1, producer);
setRand(cctx, ZSTD_c_prefetchCDictTables, 0, 2, producer); setRand(cctx, ZSTD_c_prefetchCDictTables, 0, 2, producer);
setRand(cctx, ZSTD_c_maxBlockSize, 1 << 12, ZSTD_BLOCKSIZE_MAX, producer); setRand(cctx, ZSTD_c_maxBlockSize, ZSTD_BLOCKSIZE_MAX_MIN, ZSTD_BLOCKSIZE_MAX, producer);
if (FUZZ_dataProducer_uint32Range(producer, 0, 1) == 0) { if (FUZZ_dataProducer_uint32Range(producer, 0, 1) == 0) {
setRand(cctx, ZSTD_c_srcSizeHint, ZSTD_SRCSIZEHINT_MIN, 2 * srcSize, producer); setRand(cctx, ZSTD_c_srcSizeHint, ZSTD_SRCSIZEHINT_MIN, 2 * srcSize, producer);
} }