ddidderr/zstd-rs
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix various fuzzer failures: repcode history, superblocks

Browse Source
This commit is contained in:
Sen Huang
2021-03-24 08:21:29 -07:00
parent 0633bf17c3
commit 41c3eae6d9
3 changed files with 198 additions and 356 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/compress/zstd_compress_internal.h
+7 -16
View File
@@ -82,9 +82,9 @@ typedef struct {
ZSTD_fseCTables_t fse;
} ZSTD_entropyCTables_t;
/*-*************************************
* Entropy buffer statistics structs
***************************************/
/***********************************************
* Entropy buffer statistics structs and funcs *
***********************************************/
/** ZSTD_hufCTablesMetadata_t :
* Stores Literals Block Type for a super-block in hType, and
* huffman tree description in hufDesBuffer.
@@ -116,7 +116,7 @@ typedef struct {
} ZSTD_entropyCTablesMetadata_t;
/** ZSTD_buildBlockEntropyStats() :
* Builds entropy for the super-block.
* Builds entropy for the block.
* @return : 0 on success or error code */
size_t ZSTD_buildBlockEntropyStats(seqStore_t* seqStorePtr,
const ZSTD_entropyCTables_t* prevEntropy,
@@ -125,18 +125,9 @@ size_t ZSTD_buildBlockEntropyStats(seqStore_t* seqStorePtr,
ZSTD_entropyCTablesMetadata_t* entropyMetadata,
void* workspace, size_t wkspSize);
/** ZSTD_estimateSubBlockSize() :
* Estimates the size that the block will be, based on literals and sequences.
* @return : estimated size or error code */
size_t ZSTD_estimateSubBlockSize(const BYTE* literals, size_t litSize,
const BYTE* ofCodeTable,
const BYTE* llCodeTable,
const BYTE* mlCodeTable,
size_t nbSeq,
const ZSTD_entropyCTables_t* entropy,
const ZSTD_entropyCTablesMetadata_t* entropyMetadata,
void* workspace, size_t wkspSize,
int writeLitEntropy, int writeSeqEntropy);
/*********************************
* Compression internals structs *
*********************************/
typedef struct {
U32 off; /* Offset code (offset + ZSTD_REP_MOVE) for the match */