Upgrade versions of vendored libs
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70
vendor/github.com/DataDog/zstd/zstd_internal.h
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vendored
70
vendor/github.com/DataDog/zstd/zstd_internal.h
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vendored
@@ -40,10 +40,6 @@
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# define ZSTD_TRACE 0
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#endif
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#if defined (__cplusplus)
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extern "C" {
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#endif
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/* ---- static assert (debug) --- */
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#define ZSTD_STATIC_ASSERT(c) DEBUG_STATIC_ASSERT(c)
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#define ZSTD_isError ERR_isError /* for inlining */
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@@ -96,7 +92,7 @@ typedef enum { bt_raw, bt_rle, bt_compressed, bt_reserved } blockType_e;
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#define MIN_CBLOCK_SIZE (1 /*litCSize*/ + 1 /* RLE or RAW */) /* for a non-null block */
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#define MIN_LITERALS_FOR_4_STREAMS 6
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typedef enum { set_basic, set_rle, set_compressed, set_repeat } symbolEncodingType_e;
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typedef enum { set_basic, set_rle, set_compressed, set_repeat } SymbolEncodingType_e;
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#define LONGNBSEQ 0x7F00
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@@ -279,62 +275,6 @@ typedef enum {
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/*-*******************************************
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* Private declarations
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*********************************************/
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typedef struct seqDef_s {
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U32 offBase; /* offBase == Offset + ZSTD_REP_NUM, or repcode 1,2,3 */
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U16 litLength;
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U16 mlBase; /* mlBase == matchLength - MINMATCH */
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} seqDef;
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/* Controls whether seqStore has a single "long" litLength or matchLength. See seqStore_t. */
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typedef enum {
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ZSTD_llt_none = 0, /* no longLengthType */
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ZSTD_llt_literalLength = 1, /* represents a long literal */
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ZSTD_llt_matchLength = 2 /* represents a long match */
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} ZSTD_longLengthType_e;
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typedef struct {
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seqDef* sequencesStart;
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seqDef* sequences; /* ptr to end of sequences */
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BYTE* litStart;
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BYTE* lit; /* ptr to end of literals */
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BYTE* llCode;
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BYTE* mlCode;
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BYTE* ofCode;
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size_t maxNbSeq;
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size_t maxNbLit;
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/* longLengthPos and longLengthType to allow us to represent either a single litLength or matchLength
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* in the seqStore that has a value larger than U16 (if it exists). To do so, we increment
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* the existing value of the litLength or matchLength by 0x10000.
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*/
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ZSTD_longLengthType_e longLengthType;
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U32 longLengthPos; /* Index of the sequence to apply long length modification to */
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} seqStore_t;
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typedef struct {
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U32 litLength;
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U32 matchLength;
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} ZSTD_sequenceLength;
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/**
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* Returns the ZSTD_sequenceLength for the given sequences. It handles the decoding of long sequences
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* indicated by longLengthPos and longLengthType, and adds MINMATCH back to matchLength.
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*/
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MEM_STATIC ZSTD_sequenceLength ZSTD_getSequenceLength(seqStore_t const* seqStore, seqDef const* seq)
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{
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ZSTD_sequenceLength seqLen;
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seqLen.litLength = seq->litLength;
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seqLen.matchLength = seq->mlBase + MINMATCH;
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if (seqStore->longLengthPos == (U32)(seq - seqStore->sequencesStart)) {
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if (seqStore->longLengthType == ZSTD_llt_literalLength) {
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seqLen.litLength += 0x10000;
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}
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if (seqStore->longLengthType == ZSTD_llt_matchLength) {
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seqLen.matchLength += 0x10000;
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}
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}
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return seqLen;
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}
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/**
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* Contains the compressed frame size and an upper-bound for the decompressed frame size.
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@@ -348,10 +288,6 @@ typedef struct {
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unsigned long long decompressedBound;
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} ZSTD_frameSizeInfo; /* decompress & legacy */
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const seqStore_t* ZSTD_getSeqStore(const ZSTD_CCtx* ctx); /* compress & dictBuilder */
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int ZSTD_seqToCodes(const seqStore_t* seqStorePtr); /* compress, dictBuilder, decodeCorpus (shouldn't get its definition from here) */
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/* ZSTD_invalidateRepCodes() :
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* ensures next compression will not use repcodes from previous block.
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* Note : only works with regular variant;
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@@ -386,10 +322,6 @@ MEM_STATIC int ZSTD_cpuSupportsBmi2(void)
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return ZSTD_cpuid_bmi1(cpuid) && ZSTD_cpuid_bmi2(cpuid);
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}
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#if defined (__cplusplus)
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}
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#endif
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#endif /* ZSTD_CCOMMON_H_MODULE */
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#endif /* USE_EXTERNAL_ZSTD */
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