zstd: Update to upstream version 1.3.1
It is now dual-licensed BSD-3-Clause and GPL-2.0, we use the former. The PATENTS file is no longer applicable \o/ Also add zstd to COPYRIGHT.txt
This commit is contained in:
Rémi Verschelde
107
thirdparty/zstd/common/zstd_internal.h
vendored
107
thirdparty/zstd/common/zstd_internal.h
vendored
@ -1,55 +1,28 @@
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/**
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/*
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* Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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* This source code is licensed under both the BSD-style license (found in the
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* LICENSE file in the root directory of this source tree) and the GPLv2 (found
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* in the COPYING file in the root directory of this source tree).
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*/
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#ifndef ZSTD_CCOMMON_H_MODULE
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#define ZSTD_CCOMMON_H_MODULE
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/*-*******************************************************
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* Compiler specifics
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*********************************************************/
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#ifdef _MSC_VER /* Visual Studio */
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# define FORCE_INLINE static __forceinline
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# include <intrin.h> /* For Visual 2005 */
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# pragma warning(disable : 4100) /* disable: C4100: unreferenced formal parameter */
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# pragma warning(disable : 4127) /* disable: C4127: conditional expression is constant */
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# pragma warning(disable : 4204) /* disable: C4204: non-constant aggregate initializer */
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# pragma warning(disable : 4324) /* disable: C4324: padded structure */
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#else
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# if defined (__cplusplus) || defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L /* C99 */
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# ifdef __GNUC__
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# define FORCE_INLINE static inline __attribute__((always_inline))
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# else
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# define FORCE_INLINE static inline
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# endif
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# else
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# define FORCE_INLINE static
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# endif /* __STDC_VERSION__ */
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#endif
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#ifdef _MSC_VER
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# define FORCE_NOINLINE static __declspec(noinline)
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#else
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# ifdef __GNUC__
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# define FORCE_NOINLINE static __attribute__((__noinline__))
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# else
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# define FORCE_NOINLINE static
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# endif
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#endif
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/*-*************************************
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* Dependencies
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***************************************/
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#include "compiler.h"
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#include "mem.h"
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#include "error_private.h"
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#define ZSTD_STATIC_LINKING_ONLY
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#include "zstd.h"
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#define FSE_STATIC_LINKING_ONLY
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#include "fse.h"
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#define HUF_STATIC_LINKING_ONLY
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#include "huf.h"
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#ifndef XXH_STATIC_LINKING_ONLY
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# define XXH_STATIC_LINKING_ONLY /* XXH64_state_t */
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#endif
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@ -211,20 +184,6 @@ MEM_STATIC void ZSTD_wildcopy_e(void* dst, const void* src, void* dstEnd) /* s
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*********************************************/
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typedef struct ZSTD_stats_s ZSTD_stats_t;
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typedef struct {
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U32 off;
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U32 len;
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} ZSTD_match_t;
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typedef struct {
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U32 price;
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U32 off;
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U32 mlen;
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U32 litlen;
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U32 rep[ZSTD_REP_NUM];
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} ZSTD_optimal_t;
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typedef struct seqDef_s {
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U32 offset;
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U16 litLength;
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@ -242,13 +201,31 @@ typedef struct {
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BYTE* ofCode;
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U32 longLengthID; /* 0 == no longLength; 1 == Lit.longLength; 2 == Match.longLength; */
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U32 longLengthPos;
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/* opt */
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ZSTD_optimal_t* priceTable;
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ZSTD_match_t* matchTable;
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U32* matchLengthFreq;
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U32* litLengthFreq;
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U32 rep[ZSTD_REP_NUM];
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U32 repToConfirm[ZSTD_REP_NUM];
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} seqStore_t;
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typedef struct {
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U32 off;
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U32 len;
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} ZSTD_match_t;
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typedef struct {
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U32 price;
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U32 off;
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U32 mlen;
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U32 litlen;
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U32 rep[ZSTD_REP_NUM];
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} ZSTD_optimal_t;
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typedef struct {
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U32* litFreq;
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U32* litLengthFreq;
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U32* matchLengthFreq;
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U32* offCodeFreq;
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ZSTD_match_t* matchTable;
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ZSTD_optimal_t* priceTable;
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U32 matchLengthSum;
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U32 matchSum;
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U32 litLengthSum;
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@ -264,7 +241,19 @@ typedef struct {
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U32 cachedPrice;
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U32 cachedLitLength;
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const BYTE* cachedLiterals;
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} seqStore_t;
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} optState_t;
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typedef struct {
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U32 hufCTable[HUF_CTABLE_SIZE_U32(255)];
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FSE_CTable offcodeCTable[FSE_CTABLE_SIZE_U32(OffFSELog, MaxOff)];
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FSE_CTable matchlengthCTable[FSE_CTABLE_SIZE_U32(MLFSELog, MaxML)];
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FSE_CTable litlengthCTable[FSE_CTABLE_SIZE_U32(LLFSELog, MaxLL)];
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U32 workspace[HUF_WORKSPACE_SIZE_U32];
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HUF_repeat hufCTable_repeatMode;
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FSE_repeat offcode_repeatMode;
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FSE_repeat matchlength_repeatMode;
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FSE_repeat litlength_repeatMode;
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} ZSTD_entropyCTables_t;
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const seqStore_t* ZSTD_getSeqStore(const ZSTD_CCtx* ctx);
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void ZSTD_seqToCodes(const seqStore_t* seqStorePtr);
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@ -338,9 +327,9 @@ typedef struct {
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} blockProperties_t;
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/*! ZSTD_getcBlockSize() :
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* Provides the size of compressed block from block header `src` */
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size_t ZSTD_getcBlockSize(const void* src, size_t srcSize,
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blockProperties_t* bpPtr);
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* Provides the size of compressed block from block header `src` */
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size_t ZSTD_getcBlockSize(const void* src, size_t srcSize,
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blockProperties_t* bpPtr);
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#endif /* ZSTD_CCOMMON_H_MODULE */
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