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authorAnton Samokhvalov <pg83@yandex.ru>2022-02-10 16:45:15 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:45:15 +0300
commit72cb13b4aff9bc9cf22e49251bc8fd143f82538f (patch)
treeda2c34829458c7d4e74bdfbdf85dff449e9e7fb8 /contrib/libs/zstd06/common/zstd_internal.h
parent778e51ba091dc39e7b7fcab2b9cf4dbedfb6f2b5 (diff)
downloadydb-72cb13b4aff9bc9cf22e49251bc8fd143f82538f.tar.gz
Restoring authorship annotation for Anton Samokhvalov <pg83@yandex.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/zstd06/common/zstd_internal.h')
-rw-r--r--contrib/libs/zstd06/common/zstd_internal.h488
1 files changed, 244 insertions, 244 deletions
diff --git a/contrib/libs/zstd06/common/zstd_internal.h b/contrib/libs/zstd06/common/zstd_internal.h
index 2ce2b18cf1..367c1d0335 100644
--- a/contrib/libs/zstd06/common/zstd_internal.h
+++ b/contrib/libs/zstd06/common/zstd_internal.h
@@ -1,256 +1,256 @@
#include <contrib/libs/zstd06/renames.h>
-/*
- zstd_internal - common functions to include
- Header File for include
- Copyright (C) 2014-2016, Yann Collet.
-
- BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are
- met:
- * Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above
- copyright notice, this list of conditions and the following disclaimer
- in the documentation and/or other materials provided with the
- distribution.
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
- You can contact the author at :
- - zstd homepage : https://www.zstd.net
-*/
-#ifndef ZSTD_CCOMMON_H_MODULE
-#define ZSTD_CCOMMON_H_MODULE
-
-/*-*************************************
-* Dependencies
-***************************************/
-#include "mem.h"
-#include "error_private.h"
-#include "zstd_static.h"
-
-
-/*-*************************************
-* Common macros
-***************************************/
-#define MIN(a,b) ((a)<(b) ? (a) : (b))
-#define MAX(a,b) ((a)>(b) ? (a) : (b))
-
-
-/*-*************************************
-* Common constants
-***************************************/
-#define ZSTD_OPT_DEBUG 0 // 3 = compression stats; 5 = check encoded sequences; 9 = full logs
-#include <stdio.h>
-#if defined(ZSTD_OPT_DEBUG) && ZSTD_OPT_DEBUG>=9
- #define ZSTD_LOG_PARSER(...) printf(__VA_ARGS__)
- #define ZSTD_LOG_ENCODE(...) printf(__VA_ARGS__)
- #define ZSTD_LOG_BLOCK(...) printf(__VA_ARGS__)
-#else
- #define ZSTD_LOG_PARSER(...)
- #define ZSTD_LOG_ENCODE(...)
- #define ZSTD_LOG_BLOCK(...)
-#endif
-
-#define ZSTD_OPT_NUM (1<<12)
-#define ZSTD_DICT_MAGIC 0xEC30A436
-
-#define ZSTD_REP_NUM 3
-#define ZSTD_REP_INIT ZSTD_REP_NUM
-#define ZSTD_REP_MOVE (ZSTD_REP_NUM-1)
-
-#define KB *(1 <<10)
-#define MB *(1 <<20)
-#define GB *(1U<<30)
-
-#define BIT7 128
-#define BIT6 64
-#define BIT5 32
-#define BIT4 16
-#define BIT1 2
-#define BIT0 1
-
-#define ZSTD_WINDOWLOG_ABSOLUTEMIN 12
-static const size_t ZSTD_fcs_fieldSize[4] = { 0, 1, 2, 8 };
-
-#define ZSTD_BLOCKHEADERSIZE 3 /* because C standard does not allow a static const value to be defined using another static const value .... :( */
-static const size_t ZSTD_blockHeaderSize = ZSTD_BLOCKHEADERSIZE;
-typedef enum { bt_compressed, bt_raw, bt_rle, bt_end } blockType_t;
-
-#define MIN_SEQUENCES_SIZE 1 /* nbSeq==0 */
-#define MIN_CBLOCK_SIZE (1 /*litCSize*/ + 1 /* RLE or RAW */ + MIN_SEQUENCES_SIZE /* nbSeq==0 */) /* for a non-null block */
-
-#define HufLog 12
-
-#define IS_HUF 0
-#define IS_PCH 1
-#define IS_RAW 2
-#define IS_RLE 3
-
-#define LONGNBSEQ 0x7F00
-
-#define MINMATCH 3
-#define EQUAL_READ32 4
-#define REPCODE_STARTVALUE 1
-
-#define Litbits 8
-#define MaxLit ((1<<Litbits) - 1)
-#define MaxML 52
-#define MaxLL 35
-#define MaxOff 28
-#define MaxSeq MAX(MaxLL, MaxML) /* Assumption : MaxOff < MaxLL,MaxML */
-#define MLFSELog 9
-#define LLFSELog 9
-#define OffFSELog 8
-
-#define FSE_ENCODING_RAW 0
-#define FSE_ENCODING_RLE 1
-#define FSE_ENCODING_STATIC 2
-#define FSE_ENCODING_DYNAMIC 3
-
-static const U32 LL_bits[MaxLL+1] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 1, 1, 1, 1, 2, 2, 3, 3, 4, 6, 7, 8, 9,10,11,12,
- 13,14,15,16 };
-static const S16 LL_defaultNorm[MaxLL+1] = { 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 1, 1, 1, 1, 1,
- -1,-1,-1,-1 };
-static const U32 LL_defaultNormLog = 6;
-
-static const U32 ML_bits[MaxML+1] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 1, 1, 1, 1, 2, 2, 3, 3, 4, 4, 5, 7, 8, 9,10,11,
- 12,13,14,15,16 };
-static const S16 ML_defaultNorm[MaxML+1] = { 1, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,-1,-1,
- -1,-1,-1,-1,-1 };
-static const U32 ML_defaultNormLog = 6;
-
-static const S16 OF_defaultNorm[MaxOff+1] = { 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1,-1,-1,-1,-1,-1 };
-static const U32 OF_defaultNormLog = 5;
-
-
-/*-*******************************************
-* Shared functions to include for inlining
-*********************************************/
-static void ZSTD_copy8(void* dst, const void* src) { memcpy(dst, src, 8); }
-#define COPY8(d,s) { ZSTD_copy8(d,s); d+=8; s+=8; }
-
-/*! ZSTD_wildcopy() :
-* custom version of memcpy(), can copy up to 7 bytes too many (8 bytes if length==0) */
-#define WILDCOPY_OVERLENGTH 8
-MEM_STATIC void ZSTD_wildcopy(void* dst, const void* src, size_t length)
-{
- const BYTE* ip = (const BYTE*)src;
- BYTE* op = (BYTE*)dst;
- BYTE* const oend = op + length;
- do
- COPY8(op, ip)
- while (op < oend);
-}
-
-MEM_STATIC unsigned ZSTD_highbit(U32 val)
-{
-# if defined(_MSC_VER) /* Visual */
- unsigned long r=0;
- _BitScanReverse(&r, val);
- return (unsigned)r;
-# elif defined(__GNUC__) && (__GNUC__ >= 3) /* GCC Intrinsic */
- return 31 - __builtin_clz(val);
-# else /* Software version */
- static const int DeBruijnClz[32] = { 0, 9, 1, 10, 13, 21, 2, 29, 11, 14, 16, 18, 22, 25, 3, 30, 8, 12, 20, 28, 15, 17, 24, 7, 19, 27, 23, 6, 26, 5, 4, 31 };
- U32 v = val;
- int r;
- v |= v >> 1;
- v |= v >> 2;
- v |= v >> 4;
- v |= v >> 8;
- v |= v >> 16;
- r = DeBruijnClz[(U32)(v * 0x07C4ACDDU) >> 27];
- return r;
-# endif
-}
-
-
-/*-*******************************************
-* Private interfaces
-*********************************************/
-typedef struct {
- U32 off;
- U32 len;
-} ZSTD_match_t;
-
-typedef struct {
- U32 price;
- U32 off;
- U32 mlen;
- U32 litlen;
- U32 rep[ZSTD_REP_INIT];
-} ZSTD_optimal_t;
-
+/*
+ zstd_internal - common functions to include
+ Header File for include
+ Copyright (C) 2014-2016, Yann Collet.
+
+ BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are
+ met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above
+ copyright notice, this list of conditions and the following disclaimer
+ in the documentation and/or other materials provided with the
+ distribution.
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ You can contact the author at :
+ - zstd homepage : https://www.zstd.net
+*/
+#ifndef ZSTD_CCOMMON_H_MODULE
+#define ZSTD_CCOMMON_H_MODULE
+
+/*-*************************************
+* Dependencies
+***************************************/
+#include "mem.h"
+#include "error_private.h"
+#include "zstd_static.h"
+
+
+/*-*************************************
+* Common macros
+***************************************/
+#define MIN(a,b) ((a)<(b) ? (a) : (b))
+#define MAX(a,b) ((a)>(b) ? (a) : (b))
+
+
+/*-*************************************
+* Common constants
+***************************************/
+#define ZSTD_OPT_DEBUG 0 // 3 = compression stats; 5 = check encoded sequences; 9 = full logs
+#include <stdio.h>
+#if defined(ZSTD_OPT_DEBUG) && ZSTD_OPT_DEBUG>=9
+ #define ZSTD_LOG_PARSER(...) printf(__VA_ARGS__)
+ #define ZSTD_LOG_ENCODE(...) printf(__VA_ARGS__)
+ #define ZSTD_LOG_BLOCK(...) printf(__VA_ARGS__)
+#else
+ #define ZSTD_LOG_PARSER(...)
+ #define ZSTD_LOG_ENCODE(...)
+ #define ZSTD_LOG_BLOCK(...)
+#endif
+
+#define ZSTD_OPT_NUM (1<<12)
+#define ZSTD_DICT_MAGIC 0xEC30A436
+
+#define ZSTD_REP_NUM 3
+#define ZSTD_REP_INIT ZSTD_REP_NUM
+#define ZSTD_REP_MOVE (ZSTD_REP_NUM-1)
+
+#define KB *(1 <<10)
+#define MB *(1 <<20)
+#define GB *(1U<<30)
+
+#define BIT7 128
+#define BIT6 64
+#define BIT5 32
+#define BIT4 16
+#define BIT1 2
+#define BIT0 1
+
+#define ZSTD_WINDOWLOG_ABSOLUTEMIN 12
+static const size_t ZSTD_fcs_fieldSize[4] = { 0, 1, 2, 8 };
+
+#define ZSTD_BLOCKHEADERSIZE 3 /* because C standard does not allow a static const value to be defined using another static const value .... :( */
+static const size_t ZSTD_blockHeaderSize = ZSTD_BLOCKHEADERSIZE;
+typedef enum { bt_compressed, bt_raw, bt_rle, bt_end } blockType_t;
+
+#define MIN_SEQUENCES_SIZE 1 /* nbSeq==0 */
+#define MIN_CBLOCK_SIZE (1 /*litCSize*/ + 1 /* RLE or RAW */ + MIN_SEQUENCES_SIZE /* nbSeq==0 */) /* for a non-null block */
+
+#define HufLog 12
+
+#define IS_HUF 0
+#define IS_PCH 1
+#define IS_RAW 2
+#define IS_RLE 3
+
+#define LONGNBSEQ 0x7F00
+
+#define MINMATCH 3
+#define EQUAL_READ32 4
+#define REPCODE_STARTVALUE 1
+
+#define Litbits 8
+#define MaxLit ((1<<Litbits) - 1)
+#define MaxML 52
+#define MaxLL 35
+#define MaxOff 28
+#define MaxSeq MAX(MaxLL, MaxML) /* Assumption : MaxOff < MaxLL,MaxML */
+#define MLFSELog 9
+#define LLFSELog 9
+#define OffFSELog 8
+
+#define FSE_ENCODING_RAW 0
+#define FSE_ENCODING_RLE 1
+#define FSE_ENCODING_STATIC 2
+#define FSE_ENCODING_DYNAMIC 3
+
+static const U32 LL_bits[MaxLL+1] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 1, 1, 1, 1, 2, 2, 3, 3, 4, 6, 7, 8, 9,10,11,12,
+ 13,14,15,16 };
+static const S16 LL_defaultNorm[MaxLL+1] = { 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 1, 1, 1, 1, 1,
+ -1,-1,-1,-1 };
+static const U32 LL_defaultNormLog = 6;
+
+static const U32 ML_bits[MaxML+1] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 1, 1, 1, 1, 2, 2, 3, 3, 4, 4, 5, 7, 8, 9,10,11,
+ 12,13,14,15,16 };
+static const S16 ML_defaultNorm[MaxML+1] = { 1, 4, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,-1,-1,
+ -1,-1,-1,-1,-1 };
+static const U32 ML_defaultNormLog = 6;
+
+static const S16 OF_defaultNorm[MaxOff+1] = { 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,-1,-1,-1,-1,-1 };
+static const U32 OF_defaultNormLog = 5;
+
+
+/*-*******************************************
+* Shared functions to include for inlining
+*********************************************/
+static void ZSTD_copy8(void* dst, const void* src) { memcpy(dst, src, 8); }
+#define COPY8(d,s) { ZSTD_copy8(d,s); d+=8; s+=8; }
+
+/*! ZSTD_wildcopy() :
+* custom version of memcpy(), can copy up to 7 bytes too many (8 bytes if length==0) */
+#define WILDCOPY_OVERLENGTH 8
+MEM_STATIC void ZSTD_wildcopy(void* dst, const void* src, size_t length)
+{
+ const BYTE* ip = (const BYTE*)src;
+ BYTE* op = (BYTE*)dst;
+ BYTE* const oend = op + length;
+ do
+ COPY8(op, ip)
+ while (op < oend);
+}
+
+MEM_STATIC unsigned ZSTD_highbit(U32 val)
+{
+# if defined(_MSC_VER) /* Visual */
+ unsigned long r=0;
+ _BitScanReverse(&r, val);
+ return (unsigned)r;
+# elif defined(__GNUC__) && (__GNUC__ >= 3) /* GCC Intrinsic */
+ return 31 - __builtin_clz(val);
+# else /* Software version */
+ static const int DeBruijnClz[32] = { 0, 9, 1, 10, 13, 21, 2, 29, 11, 14, 16, 18, 22, 25, 3, 30, 8, 12, 20, 28, 15, 17, 24, 7, 19, 27, 23, 6, 26, 5, 4, 31 };
+ U32 v = val;
+ int r;
+ v |= v >> 1;
+ v |= v >> 2;
+ v |= v >> 4;
+ v |= v >> 8;
+ v |= v >> 16;
+ r = DeBruijnClz[(U32)(v * 0x07C4ACDDU) >> 27];
+ return r;
+# endif
+}
+
+
+/*-*******************************************
+* Private interfaces
+*********************************************/
+typedef struct {
+ U32 off;
+ U32 len;
+} ZSTD_match_t;
+
+typedef struct {
+ U32 price;
+ U32 off;
+ U32 mlen;
+ U32 litlen;
+ U32 rep[ZSTD_REP_INIT];
+} ZSTD_optimal_t;
+
//#if ZSTD_OPT_DEBUG == 3
// #include ".debug/zstd_stats.h"
//#else
- typedef struct { U32 unused; } ZSTD_stats_t;
+ typedef struct { U32 unused; } ZSTD_stats_t;
MEM_STATIC void ZSTD_statsPrint(ZSTD_stats_t* stats, U32 searchLength) { (void)stats; (void)searchLength; }
MEM_STATIC void ZSTD_statsInit(ZSTD_stats_t* stats) { (void)stats; }
MEM_STATIC void ZSTD_statsResetFreqs(ZSTD_stats_t* stats) { (void)stats; }
MEM_STATIC void ZSTD_statsUpdatePrices(ZSTD_stats_t* stats, size_t litLength, const BYTE* literals, size_t offset, size_t matchLength) { (void)stats; (void)litLength; (void)literals; (void)offset; (void)matchLength; }
//#endif
-
-typedef struct {
- void* buffer;
- U32* offsetStart;
- U32* offset;
- BYTE* offCodeStart;
- BYTE* litStart;
- BYTE* lit;
- U16* litLengthStart;
- U16* litLength;
- BYTE* llCodeStart;
- U16* matchLengthStart;
- U16* matchLength;
- BYTE* mlCodeStart;
- U32 longLengthID; /* 0 == no longLength; 1 == Lit.longLength; 2 == Match.longLength; */
- U32 longLengthPos;
- /* opt */
- ZSTD_optimal_t* priceTable;
- ZSTD_match_t* matchTable;
- U32* matchLengthFreq;
- U32* litLengthFreq;
- U32* litFreq;
- U32* offCodeFreq;
- U32 matchLengthSum;
- U32 matchSum;
- U32 litLengthSum;
- U32 litSum;
- U32 offCodeSum;
- U32 log2matchLengthSum;
- U32 log2matchSum;
- U32 log2litLengthSum;
- U32 log2litSum;
- U32 log2offCodeSum;
- U32 factor;
+
+typedef struct {
+ void* buffer;
+ U32* offsetStart;
+ U32* offset;
+ BYTE* offCodeStart;
+ BYTE* litStart;
+ BYTE* lit;
+ U16* litLengthStart;
+ U16* litLength;
+ BYTE* llCodeStart;
+ U16* matchLengthStart;
+ U16* matchLength;
+ BYTE* mlCodeStart;
+ U32 longLengthID; /* 0 == no longLength; 1 == Lit.longLength; 2 == Match.longLength; */
+ U32 longLengthPos;
+ /* opt */
+ ZSTD_optimal_t* priceTable;
+ ZSTD_match_t* matchTable;
+ U32* matchLengthFreq;
+ U32* litLengthFreq;
+ U32* litFreq;
+ U32* offCodeFreq;
+ U32 matchLengthSum;
+ U32 matchSum;
+ U32 litLengthSum;
+ U32 litSum;
+ U32 offCodeSum;
+ U32 log2matchLengthSum;
+ U32 log2matchSum;
+ U32 log2litLengthSum;
+ U32 log2litSum;
+ U32 log2offCodeSum;
+ U32 factor;
U32 cachedPrice;
U32 cachedLitLength;
const BYTE* cachedLiterals;
- ZSTD_stats_t stats;
-} seqStore_t;
-
-const seqStore_t* ZSTD_getSeqStore(const ZSTD_CCtx* ctx);
-void ZSTD_seqToCodes(const seqStore_t* seqStorePtr, size_t const nbSeq);
-
-
-#endif /* ZSTD_CCOMMON_H_MODULE */
+ ZSTD_stats_t stats;
+} seqStore_t;
+
+const seqStore_t* ZSTD_getSeqStore(const ZSTD_CCtx* ctx);
+void ZSTD_seqToCodes(const seqStore_t* seqStorePtr, size_t const nbSeq);
+
+
+#endif /* ZSTD_CCOMMON_H_MODULE */