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This commit is contained in:
Josh Soref
2019-04-12 11:18:11 -07:00
committed by Nick Terrell
parent 13fddac46d
commit a880ca239b
63 changed files with 116 additions and 116 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/compress/fse_compress.c
+2 -2
View File
@@ -129,9 +129,9 @@ size_t FSE_buildCTable_wksp(FSE_CTable* ct,
{ U32 position = 0;
U32 symbol;
for (symbol=0; symbol<=maxSymbolValue; symbol++) {
int nbOccurences;
int nbOccurrences;
int const freq = normalizedCounter[symbol];
for (nbOccurences=0; nbOccurences<freq; nbOccurences++) {
for (nbOccurrences=0; nbOccurrences<freq; nbOccurrences++) {
tableSymbol[position] = (FSE_FUNCTION_TYPE)symbol;
position = (position + step) & tableMask;
while (position > highThreshold)
lib/compress/zstd_compress.c
+7 -7
View File
@@ -2046,7 +2046,7 @@ void ZSTD_seqToCodes(const seqStore_t* seqStorePtr)
* If x == 0: Return 0
* Else: Return floor(-log2(x / 256) * 256)
*/
static unsigned const kInverseProbabiltyLog256[256] = {
static unsigned const kInverseProbabilityLog256[256] = {
0, 2048, 1792, 1642, 1536, 1453, 1386, 1329, 1280, 1236, 1197, 1162,
1130, 1100, 1073, 1047, 1024, 1001, 980, 960, 941, 923, 906, 889,
874, 859, 844, 830, 817, 804, 791, 779, 768, 756, 745, 734,
@@ -2085,7 +2085,7 @@ static size_t ZSTD_entropyCost(unsigned const* count, unsigned const max, size_t
if (count[s] != 0 && norm == 0)
norm = 1;
assert(count[s] < total);
cost += count[s] * kInverseProbabiltyLog256[norm];
cost += count[s] * kInverseProbabilityLog256[norm];
}
return cost >> 8;
}
@@ -2108,7 +2108,7 @@ static size_t ZSTD_crossEntropyCost(short const* norm, unsigned accuracyLog,
unsigned const norm256 = normAcc << shift;
assert(norm256 > 0);
assert(norm256 < 256);
cost += count[s] * kInverseProbabiltyLog256[norm256];
cost += count[s] * kInverseProbabilityLog256[norm256];
}
return cost >> 8;
}
@@ -2611,7 +2611,7 @@ ZSTD_compressSequences_internal(seqStore_t* seqStorePtr,
FORWARD_IF_ERROR(bitstreamSize);
op += bitstreamSize;
/* zstd versions <= 1.3.4 mistakenly report corruption when
* FSE_readNCount() recieves a buffer < 4 bytes.
* FSE_readNCount() receives a buffer < 4 bytes.
* Fixed by https://github.com/facebook/zstd/pull/1146.
* This can happen when the last set_compressed table present is 2
* bytes and the bitstream is only one byte.
@@ -2914,7 +2914,7 @@ static size_t ZSTD_writeFrameHeader(void* dst, size_t dstCapacity,
BYTE const windowLogByte = (BYTE)((params.cParams.windowLog - ZSTD_WINDOWLOG_ABSOLUTEMIN) << 3);
U32 const fcsCode = params.fParams.contentSizeFlag ?
(pledgedSrcSize>=256) + (pledgedSrcSize>=65536+256) + (pledgedSrcSize>=0xFFFFFFFFU) : 0; /* 0-3 */
BYTE const frameHeaderDecriptionByte = (BYTE)(dictIDSizeCode + (checksumFlag<<2) + (singleSegment<<5) + (fcsCode<<6) );
BYTE const frameHeaderDescriptionByte = (BYTE)(dictIDSizeCode + (checksumFlag<<2) + (singleSegment<<5) + (fcsCode<<6) );
size_t pos=0;
assert(!(params.fParams.contentSizeFlag && pledgedSrcSize == ZSTD_CONTENTSIZE_UNKNOWN));
@@ -2926,7 +2926,7 @@ static size_t ZSTD_writeFrameHeader(void* dst, size_t dstCapacity,
MEM_writeLE32(dst, ZSTD_MAGICNUMBER);
pos = 4;
}
op[pos++] = frameHeaderDecriptionByte;
op[pos++] = frameHeaderDescriptionByte;
if (!singleSegment) op[pos++] = windowLogByte;
switch(dictIDSizeCode)
{
@@ -2950,7 +2950,7 @@ static size_t ZSTD_writeFrameHeader(void* dst, size_t dstCapacity,
/* ZSTD_writeLastEmptyBlock() :
* output an empty Block with end-of-frame mark to complete a frame
* @return : size of data written into `dst` (== ZSTD_blockHeaderSize (defined in zstd_internal.h))
* or an error code if `dstCapcity` is too small (<ZSTD_blockHeaderSize)
* or an error code if `dstCapacity` is too small (<ZSTD_blockHeaderSize)
*/
size_t ZSTD_writeLastEmptyBlock(void* dst, size_t dstCapacity)
{
lib/compress/zstd_compress_internal.h
+3 -3
View File
@@ -36,9 +36,9 @@ extern "C" {
#define ZSTD_DUBT_UNSORTED_MARK 1 /* For btlazy2 strategy, index 1 now means "unsorted".
It could be confused for a real successor at index "1", if sorted as larger than its predecessor.
It's not a big deal though : candidate will just be sorted again.
Additionnally, candidate position 1 will be lost.
Additionally, candidate position 1 will be lost.
But candidate 1 cannot hide a large tree of candidates, so it's a minimal loss.
The benefit is that ZSTD_DUBT_UNSORTED_MARK cannot be misdhandled after table re-use with a different strategy
The benefit is that ZSTD_DUBT_UNSORTED_MARK cannot be mishandled after table re-use with a different strategy
Constant required by ZSTD_compressBlock_btlazy2() and ZSTD_reduceTable_internal() */
@@ -842,7 +842,7 @@ size_t ZSTD_compress_advanced_internal(ZSTD_CCtx* cctx,
/* ZSTD_writeLastEmptyBlock() :
* output an empty Block with end-of-frame mark to complete a frame
* @return : size of data written into `dst` (== ZSTD_blockHeaderSize (defined in zstd_internal.h))
* or an error code if `dstCapcity` is too small (<ZSTD_blockHeaderSize)
* or an error code if `dstCapacity` is too small (<ZSTD_blockHeaderSize)
*/
size_t ZSTD_writeLastEmptyBlock(void* dst, size_t dstCapacity);
lib/compress/zstd_lazy.h
+1 -1
View File
@@ -19,7 +19,7 @@ extern "C" {
U32 ZSTD_insertAndFindFirstIndex(ZSTD_matchState_t* ms, const BYTE* ip);
void ZSTD_preserveUnsortedMark (U32* const table, U32 const size, U32 const reducerValue); /*! used in ZSTD_reduceIndex(). pre-emptively increase value of ZSTD_DUBT_UNSORTED_MARK */
void ZSTD_preserveUnsortedMark (U32* const table, U32 const size, U32 const reducerValue); /*! used in ZSTD_reduceIndex(). preemptively increase value of ZSTD_DUBT_UNSORTED_MARK */
size_t ZSTD_compressBlock_btlazy2(
ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
lib/compress/zstd_ldm.c
+1 -1
View File
@@ -429,7 +429,7 @@ size_t ZSTD_ldm_generateSequences(
*/
assert(ldmState->window.nextSrc >= (BYTE const*)src + srcSize);
/* The input could be very large (in zstdmt), so it must be broken up into
* chunks to enforce the maximmum distance and handle overflow correction.
* chunks to enforce the maximum distance and handle overflow correction.
*/
assert(sequences->pos <= sequences->size);
assert(sequences->size <= sequences->capacity);
lib/compress/zstd_opt.c
+2 -2
View File
@@ -885,7 +885,7 @@ ZSTD_compressBlock_opt_generic(ZSTD_matchState_t* ms,
/* large match -> immediate encoding */
{ U32 const maxML = matches[nbMatches-1].len;
U32 const maxOffset = matches[nbMatches-1].off;
DEBUGLOG(6, "found %u matches of maxLength=%u and maxOffCode=%u at cPos=%u => start new serie",
DEBUGLOG(6, "found %u matches of maxLength=%u and maxOffCode=%u at cPos=%u => start new series",
nbMatches, maxML, maxOffset, (U32)(ip-prefixStart));
if (maxML > sufficient_len) {
@@ -1133,7 +1133,7 @@ MEM_STATIC void ZSTD_upscaleStats(optState_t* optPtr)
/* ZSTD_initStats_ultra():
* make a first compression pass, just to seed stats with more accurate starting values.
* only works on first block, with no dictionary and no ldm.
* this function cannot error, hence its constract must be respected.
* this function cannot error, hence its contract must be respected.
*/
static void
ZSTD_initStats_ultra(ZSTD_matchState_t* ms,
lib/compress/zstdmt_compress.c
+3 -3
View File
@@ -456,7 +456,7 @@ typedef struct {
* Must be acquired after the main mutex when acquiring both.
*/
ZSTD_pthread_mutex_t ldmWindowMutex;
ZSTD_pthread_cond_t ldmWindowCond; /* Signaled when ldmWindow is udpated */
ZSTD_pthread_cond_t ldmWindowCond; /* Signaled when ldmWindow is updated */
ZSTD_window_t ldmWindow; /* A thread-safe copy of ldmState.window */
} serialState_t;
@@ -647,7 +647,7 @@ static void ZSTDMT_compressionJob(void* jobDescription)
buffer_t dstBuff = job->dstBuff;
size_t lastCBlockSize = 0;
/* ressources */
/* resources */
if (cctx==NULL) JOB_ERROR(ERROR(memory_allocation));
if (dstBuff.start == NULL) { /* streaming job : doesn't provide a dstBuffer */
dstBuff = ZSTDMT_getBuffer(job->bufPool);
@@ -1527,7 +1527,7 @@ size_t ZSTDMT_initCStream(ZSTDMT_CCtx* mtctx, int compressionLevel) {
/* ZSTDMT_writeLastEmptyBlock()
* Write a single empty block with an end-of-frame to finish a frame.
* Job must be created from streaming variant.
* This function is always successfull if expected conditions are fulfilled.
* This function is always successful if expected conditions are fulfilled.
*/
static void ZSTDMT_writeLastEmptyBlock(ZSTDMT_jobDescription* job)
{
lib/compress/zstdmt_compress.h
+1 -1
View File
@@ -103,7 +103,7 @@ ZSTDMT_API size_t ZSTDMT_initCStream_usingCDict(ZSTDMT_CCtx* mtctx,
* List of parameters that can be set using ZSTDMT_setMTCtxParameter() */
typedef enum {
ZSTDMT_p_jobSize, /* Each job is compressed in parallel. By default, this value is dynamically determined depending on compression parameters. Can be set explicitly here. */
ZSTDMT_p_overlapLog, /* Each job may reload a part of previous job to enhance compressionr ratio; 0 == no overlap, 6(default) == use 1/8th of window, >=9 == use full window. This is a "sticky" parameter : its value will be re-used on next compression job */
ZSTDMT_p_overlapLog, /* Each job may reload a part of previous job to enhance compression ratio; 0 == no overlap, 6(default) == use 1/8th of window, >=9 == use full window. This is a "sticky" parameter : its value will be re-used on next compression job */
ZSTDMT_p_rsyncable /* Enables rsyncable mode. */
} ZSTDMT_parameter;