mirror of https://github.com/ZDoom/raze-gles.git
Update xxHash to git commit cd0f5c22095c49c35104dca86620322801f14893
git-svn-id: https://svn.eduke32.com/eduke32@8142 1a8010ca-5511-0410-912e-c29ae57300e0 # Conflicts: # platform/Windows/build.vcxproj # platform/Windows/build.vcxproj.filters
This commit is contained in:
terminx
Christoph Oelckers
parent
70171ea341
commit
4dfae31900
File diff suppressed because it is too large
Load Diff
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@ -49,10 +49,13 @@ Lookup3 1.2 GB/s 9 Bob Jenkins
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SuperFastHash 1.2 GB/s 1 Paul Hsieh
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CityHash64 1.05 GB/s 10 Pike & Alakuijala
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FNV 0.55 GB/s 5 Fowler, Noll, Vo
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CRC32 0.43 GB/s 9
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CRC32 0.43 GB/s † 9
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MD5-32 0.33 GB/s 10 Ronald L. Rivest
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SHA1-32 0.28 GB/s 10
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Note †: other CRC32 implementations can be over 40x faster than SMHasher's:
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http://fastcompression.blogspot.com/2019/03/presenting-xxh3.html?showComment=1552696407071#c3490092340461170735
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Q.Score is a measure of quality of the hash function.
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It depends on successfully passing SMHasher test set.
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10 is a perfect score.
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@ -83,14 +86,16 @@ typedef enum { XXH_OK=0, XXH_ERROR } XXH_errorcode;
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* API modifier
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******************************/
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/** XXH_INLINE_ALL (and XXH_PRIVATE_API)
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* This is useful to include xxhash functions in `static` mode
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* This build macro includes xxhash functions in `static` mode
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* in order to inline them, and remove their symbol from the public list.
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* Inlining can offer dramatic performance improvement on small keys.
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* Inlining offers great performance improvement on small keys,
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* and dramatic ones when length is expressed as a compile-time constant.
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* See https://fastcompression.blogspot.com/2018/03/xxhash-for-small-keys-impressive-power.html .
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* Methodology :
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* #define XXH_INLINE_ALL
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* #include "xxhash.h"
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* `xxhash.c` is automatically included.
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* It's not useful to compile and link it as a separate module.
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* It's not useful to compile and link it as a separate object.
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*/
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#if defined(XXH_INLINE_ALL) || defined(XXH_PRIVATE_API)
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# ifndef XXH_STATIC_LINKING_ONLY
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@ -107,7 +112,15 @@ typedef enum { XXH_OK=0, XXH_ERROR } XXH_errorcode;
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# define XXH_PUBLIC_API static
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# endif
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#else
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# define XXH_PUBLIC_API /* do nothing */
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# if defined(WIN32) && defined(_MSC_VER) && (defined(XXH_IMPORT) || defined(XXH_EXPORT))
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# ifdef XXH_EXPORT
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# define XXH_PUBLIC_API __declspec(dllexport)
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# elif XXH_IMPORT
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# define XXH_PUBLIC_API __declspec(dllimport)
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# endif
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# else
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# define XXH_PUBLIC_API /* do nothing */
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# endif
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#endif /* XXH_INLINE_ALL || XXH_PRIVATE_API */
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/*! XXH_NAMESPACE, aka Namespace Emulation :
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@ -150,8 +163,8 @@ typedef enum { XXH_OK=0, XXH_ERROR } XXH_errorcode;
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* Version
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***************************************/
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#define XXH_VERSION_MAJOR 0
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#define XXH_VERSION_MINOR 6
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#define XXH_VERSION_RELEASE 5
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#define XXH_VERSION_MINOR 7
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#define XXH_VERSION_RELEASE 2
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#define XXH_VERSION_NUMBER (XXH_VERSION_MAJOR *100*100 + XXH_VERSION_MINOR *100 + XXH_VERSION_RELEASE)
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XXH_PUBLIC_API unsigned XXH_versionNumber (void);
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@ -159,7 +172,14 @@ XXH_PUBLIC_API unsigned XXH_versionNumber (void);
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/*-**********************************************************************
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* 32-bit hash
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************************************************************************/
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typedef unsigned int XXH32_hash_t;
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#if !defined (__VMS) \
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&& (defined (__cplusplus) \
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|| (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */) )
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# include <stdint.h>
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typedef uint32_t XXH32_hash_t;
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#else
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typedef unsigned int XXH32_hash_t;
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#endif
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/*! XXH32() :
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Calculate the 32-bit hash of sequence "length" bytes stored at memory address "input".
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@ -172,11 +192,11 @@ XXH_PUBLIC_API XXH32_hash_t XXH32 (const void* input, size_t length, unsigned in
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typedef struct XXH32_state_s XXH32_state_t; /* incomplete type */
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XXH_PUBLIC_API XXH32_state_t* XXH32_createState(void);
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XXH_PUBLIC_API XXH_errorcode XXH32_freeState(XXH32_state_t* statePtr);
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XXH_PUBLIC_API void XXH32_copyState(XXH32_state_t* dstState, const XXH32_state_t* srcState);
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XXH_PUBLIC_API void XXH32_copyState(XXH32_state_t* dst_state, const XXH32_state_t* src_state);
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XXH_PUBLIC_API XXH_errorcode XXH32_reset (XXH32_state_t* statePtr, unsigned int seed);
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XXH_PUBLIC_API XXH_errorcode XXH32_update (XXH32_state_t* state_in, const void* input, size_t length);
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XXH_PUBLIC_API XXH32_hash_t XXH32_digest (const XXH32_state_t* state_in);
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XXH_PUBLIC_API XXH_errorcode XXH32_update (XXH32_state_t* statePtr, const void* input, size_t length);
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XXH_PUBLIC_API XXH32_hash_t XXH32_digest (const XXH32_state_t* statePtr);
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/*
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* Streaming functions generate the xxHash of an input provided in multiple segments.
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@ -216,7 +236,14 @@ XXH_PUBLIC_API XXH32_hash_t XXH32_hashFromCanonical(const XXH32_canonical_t* src
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/*-**********************************************************************
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* 64-bit hash
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************************************************************************/
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typedef unsigned long long XXH64_hash_t;
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#if !defined (__VMS) \
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&& (defined (__cplusplus) \
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|| (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */) )
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# include <stdint.h>
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typedef uint64_t XXH64_hash_t;
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#else
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typedef unsigned long long XXH64_hash_t;
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#endif
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/*! XXH64() :
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Calculate the 64-bit hash of sequence of length "len" stored at memory address "input".
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@ -229,16 +256,18 @@ XXH_PUBLIC_API XXH64_hash_t XXH64 (const void* input, size_t length, unsigned lo
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typedef struct XXH64_state_s XXH64_state_t; /* incomplete type */
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XXH_PUBLIC_API XXH64_state_t* XXH64_createState(void);
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XXH_PUBLIC_API XXH_errorcode XXH64_freeState(XXH64_state_t* statePtr);
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XXH_PUBLIC_API void XXH64_copyState(XXH64_state_t* dstState, const XXH64_state_t* srcState);
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XXH_PUBLIC_API void XXH64_copyState(XXH64_state_t* dst_state, const XXH64_state_t* src_state);
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XXH_PUBLIC_API XXH_errorcode XXH64_reset (XXH64_state_t* statePtr, unsigned long long seed);
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XXH_PUBLIC_API XXH_errorcode XXH64_update (XXH64_state_t* state_in, const void* input, size_t length);
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XXH_PUBLIC_API XXH64_hash_t XXH64_digest (const XXH64_state_t* state_in);
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XXH_PUBLIC_API XXH_errorcode XXH64_update (XXH64_state_t* statePtr, const void* input, size_t length);
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XXH_PUBLIC_API XXH64_hash_t XXH64_digest (const XXH64_state_t* statePtr);
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/*====== Canonical representation ======*/
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typedef struct { unsigned char digest[8]; } XXH64_canonical_t;
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XXH_PUBLIC_API void XXH64_canonicalFromHash(XXH64_canonical_t* dst, XXH64_hash_t hash);
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XXH_PUBLIC_API XXH64_hash_t XXH64_hashFromCanonical(const XXH64_canonical_t* src);
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#endif /* XXH_NO_LONG_LONG */
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@ -256,68 +285,259 @@ XXH_PUBLIC_API XXH64_hash_t XXH64_hashFromCanonical(const XXH64_canonical_t* src
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* static allocation of XXH state, on stack or in a struct for example.
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* Never **ever** use members directly. */
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#if !defined (__VMS) \
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&& (defined (__cplusplus) \
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|| (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */) )
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# include <stdint.h>
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struct XXH32_state_s {
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uint32_t total_len_32;
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uint32_t large_len;
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uint32_t v1;
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uint32_t v2;
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uint32_t v3;
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uint32_t v4;
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uint32_t mem32[4];
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uint32_t memsize;
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uint32_t reserved; /* never read nor write, might be removed in a future version */
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XXH32_hash_t total_len_32;
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XXH32_hash_t large_len;
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XXH32_hash_t v1;
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XXH32_hash_t v2;
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XXH32_hash_t v3;
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XXH32_hash_t v4;
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XXH32_hash_t mem32[4];
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XXH32_hash_t memsize;
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XXH32_hash_t reserved; /* never read nor write, might be removed in a future version */
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}; /* typedef'd to XXH32_state_t */
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#ifndef XXH_NO_LONG_LONG /* remove 64-bit support */
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struct XXH64_state_s {
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uint64_t total_len;
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uint64_t v1;
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uint64_t v2;
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uint64_t v3;
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uint64_t v4;
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uint64_t mem64[4];
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uint32_t memsize;
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uint32_t reserved[2]; /* never read nor write, might be removed in a future version */
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XXH64_hash_t total_len;
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XXH64_hash_t v1;
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XXH64_hash_t v2;
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XXH64_hash_t v3;
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XXH64_hash_t v4;
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XXH64_hash_t mem64[4];
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XXH32_hash_t memsize;
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XXH32_hash_t reserved32; /* required for padding anyway */
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XXH64_hash_t reserved64; /* never read nor write, might be removed in a future version */
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}; /* typedef'd to XXH64_state_t */
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# else
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struct XXH32_state_s {
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unsigned total_len_32;
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unsigned large_len;
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unsigned v1;
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unsigned v2;
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unsigned v3;
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unsigned v4;
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unsigned mem32[4];
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unsigned memsize;
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unsigned reserved; /* never read nor write, might be removed in a future version */
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}; /* typedef'd to XXH32_state_t */
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# ifndef XXH_NO_LONG_LONG /* remove 64-bit support */
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struct XXH64_state_s {
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unsigned long long total_len;
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unsigned long long v1;
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unsigned long long v2;
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unsigned long long v3;
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unsigned long long v4;
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unsigned long long mem64[4];
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unsigned memsize;
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unsigned reserved[2]; /* never read nor write, might be removed in a future version */
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}; /* typedef'd to XXH64_state_t */
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# endif
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# endif
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#endif /* XXH_NO_LONG_LONG */
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/*-**********************************************************************
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* XXH3
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* New experimental hash
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************************************************************************/
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#ifndef XXH_NO_LONG_LONG
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/* ============================================
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* XXH3 is a new hash algorithm,
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* featuring improved speed performance for both small and large inputs.
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* See full speed analysis at : http://fastcompression.blogspot.com/2019/03/presenting-xxh3.html
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* In general, expect XXH3 to run about ~2x faster on large inputs,
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* and >3x faster on small ones, though exact differences depend on platform.
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*
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* The algorithm is portable, will generate the same hash on all platforms.
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* It benefits greatly from vectorization units, but does not require it.
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*
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* XXH3 offers 2 variants, _64bits and _128bits.
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* When only 64 bits are needed, prefer calling the _64bits variant :
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* it reduces the amount of mixing, resulting in faster speed on small inputs.
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* It's also generally simpler to manipulate a scalar return type than a struct.
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*
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* The XXH3 algorithm is still considered experimental.
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* Produced results can still change between versions.
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* For example, results produced by v0.7.1 are not comparable with results from v0.7.0 .
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* It's nonetheless possible to use XXH3 for ephemeral data (local sessions),
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* but avoid storing values in long-term storage for later re-use.
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*
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* The API supports one-shot hashing, streaming mode, and custom secrets.
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*
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* There are still a number of opened questions that community can influence during the experimental period.
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* I'm trying to list a few of them below, though don't consider this list as complete.
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*
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* - 128-bits output type : currently defined as a structure of two 64-bits fields.
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* That's because 128-bit values do not exist in C standard.
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* Note that it means that, at byte level, result is not identical depending on endianess.
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* However, at field level, they are identical on all platforms.
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* The canonical representation solves the issue of identical byte-level representation across platforms,
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* which is necessary for serialization.
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* Would there be a better representation for a 128-bit hash result ?
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* Are the names of the inner 64-bit fields important ? Should they be changed ?
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*
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* - Seed type for 128-bits variant : currently, it's a single 64-bit value, like the 64-bit variant.
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* It could be argued that it's more logical to offer a 128-bit seed input parameter for a 128-bit hash.
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* But 128-bit seed is more difficult to use, since it requires to pass a structure instead of a scalar value.
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* Such a variant could either replace current one, or become an additional one.
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* Farmhash, for example, offers both variants (the 128-bits seed variant is called `doubleSeed`).
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* If both 64-bit and 128-bit seeds are possible, which variant should be called XXH128 ?
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*
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* - Result for len==0 : Currently, the result of hashing a zero-length input is `0`.
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* It seems okay as a return value when using all "default" secret and seed (it used to be a request for XXH32/XXH64).
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* But is it still fine to return `0` when secret or seed are non-default ?
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* Are there use cases which could depend on generating a different hash result for zero-length input when the secret is different ?
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*/
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#ifdef XXH_NAMESPACE
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# define XXH3_64bits XXH_NAME2(XXH_NAMESPACE, XXH3_64bits)
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# define XXH3_64bits_withSecret XXH_NAME2(XXH_NAMESPACE, XXH3_64bits_withSecret)
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# define XXH3_64bits_withSeed XXH_NAME2(XXH_NAMESPACE, XXH3_64bits_withSeed)
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# define XXH3_createState XXH_NAME2(XXH_NAMESPACE, XXH3_createState)
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# define XXH3_freeState XXH_NAME2(XXH_NAMESPACE, XXH3_freeState)
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# define XXH3_copyState XXH_NAME2(XXH_NAMESPACE, XXH3_copyState)
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# define XXH3_64bits_reset XXH_NAME2(XXH_NAMESPACE, XXH3_64bits_reset)
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# define XXH3_64bits_reset_withSeed XXH_NAME2(XXH_NAMESPACE, XXH3_64bits_reset_withSeed)
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# define XXH3_64bits_reset_withSecret XXH_NAME2(XXH_NAMESPACE, XXH3_64bits_reset_withSecret)
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# define XXH3_64bits_update XXH_NAME2(XXH_NAMESPACE, XXH3_64bits_update)
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# define XXH3_64bits_digest XXH_NAME2(XXH_NAMESPACE, XXH3_64bits_digest)
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#endif
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/* XXH3_64bits() :
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* default 64-bit variant, using default secret and default seed of 0.
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* It's the fastest variant. */
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XXH_PUBLIC_API XXH64_hash_t XXH3_64bits(const void* data, size_t len);
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/* XXH3_64bits_withSecret() :
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* It's possible to provide any blob of bytes as a "secret" to generate the hash.
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* This makes it more difficult for an external actor to prepare an intentional collision.
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* The secret *must* be large enough (>= XXH3_SECRET_SIZE_MIN).
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* It should consist of random bytes.
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* Avoid repeating same character, or sequences of bytes,
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* and especially avoid swathes of \0.
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* Failure to respect these conditions will result in a poor quality hash.
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*/
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#define XXH3_SECRET_SIZE_MIN 136
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XXH_PUBLIC_API XXH64_hash_t XXH3_64bits_withSecret(const void* data, size_t len, const void* secret, size_t secretSize);
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/* XXH3_64bits_withSeed() :
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* This variant generates on the fly a custom secret,
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* based on the default secret, altered using the `seed` value.
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* While this operation is decently fast, note that it's not completely free.
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* note : seed==0 produces same results as XXH3_64bits() */
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XXH_PUBLIC_API XXH64_hash_t XXH3_64bits_withSeed(const void* data, size_t len, XXH64_hash_t seed);
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/* streaming 64-bit */
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#if defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L) /* C11+ */
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# include <stdalign.h>
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# define XXH_ALIGN(n) alignas(n)
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#elif defined(__GNUC__)
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# define XXH_ALIGN(n) __attribute__ ((aligned(n)))
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#elif defined(_MSC_VER)
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# define XXH_ALIGN(n) __declspec(align(n))
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#else
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# define XXH_ALIGN(n) /* disabled */
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#endif
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typedef struct XXH3_state_s XXH3_state_t;
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#define XXH3_SECRET_DEFAULT_SIZE 192 /* minimum XXH3_SECRET_SIZE_MIN */
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#define XXH3_INTERNALBUFFER_SIZE 256
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struct XXH3_state_s {
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XXH_ALIGN(64) XXH64_hash_t acc[8];
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XXH_ALIGN(64) char customSecret[XXH3_SECRET_DEFAULT_SIZE]; /* used to store a custom secret generated from the seed. Makes state larger. Design might change */
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XXH_ALIGN(64) char buffer[XXH3_INTERNALBUFFER_SIZE];
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XXH32_hash_t bufferedSize;
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XXH32_hash_t nbStripesPerBlock;
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XXH32_hash_t nbStripesSoFar;
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XXH32_hash_t secretLimit;
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XXH32_hash_t reserved32;
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XXH32_hash_t reserved32_2;
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XXH64_hash_t totalLen;
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XXH64_hash_t seed;
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XXH64_hash_t reserved64;
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const void* secret; /* note : there is some padding after, due to alignment on 64 bytes */
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}; /* typedef'd to XXH3_state_t */
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/* Streaming requires state maintenance.
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* This operation costs memory and cpu.
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||||
* As a consequence, streaming is slower than one-shot hashing.
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* For better performance, prefer using one-shot functions whenever possible. */
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XXH_PUBLIC_API XXH3_state_t* XXH3_createState(void);
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XXH_PUBLIC_API XXH_errorcode XXH3_freeState(XXH3_state_t* statePtr);
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XXH_PUBLIC_API void XXH3_copyState(XXH3_state_t* dst_state, const XXH3_state_t* src_state);
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/* XXH3_64bits_reset() :
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* initialize with default parameters.
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* result will be equivalent to `XXH3_64bits()`. */
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XXH_PUBLIC_API XXH_errorcode XXH3_64bits_reset(XXH3_state_t* statePtr);
|
||||
/* XXH3_64bits_reset_withSeed() :
|
||||
* generate a custom secret from `seed`, and store it into state.
|
||||
* digest will be equivalent to `XXH3_64bits_withSeed()`. */
|
||||
XXH_PUBLIC_API XXH_errorcode XXH3_64bits_reset_withSeed(XXH3_state_t* statePtr, XXH64_hash_t seed);
|
||||
/* XXH3_64bits_reset_withSecret() :
|
||||
* `secret` is referenced, and must outlive the hash streaming session.
|
||||
* secretSize must be >= XXH3_SECRET_SIZE_MIN.
|
||||
*/
|
||||
XXH_PUBLIC_API XXH_errorcode XXH3_64bits_reset_withSecret(XXH3_state_t* statePtr, const void* secret, size_t secretSize);
|
||||
|
||||
XXH_PUBLIC_API XXH_errorcode XXH3_64bits_update (XXH3_state_t* statePtr, const void* input, size_t length);
|
||||
XXH_PUBLIC_API XXH64_hash_t XXH3_64bits_digest (const XXH3_state_t* statePtr);
|
||||
|
||||
|
||||
/* 128-bit */
|
||||
|
||||
#ifdef XXH_NAMESPACE
|
||||
# define XXH128 XXH_NAME2(XXH_NAMESPACE, XXH128)
|
||||
# define XXH3_128bits XXH_NAME2(XXH_NAMESPACE, XXH3_128bits)
|
||||
# define XXH3_128bits_withSeed XXH_NAME2(XXH_NAMESPACE, XXH3_128bits_withSeed)
|
||||
# define XXH3_128bits_withSecret XXH_NAME2(XXH_NAMESPACE, XXH3_128bits_withSecret)
|
||||
|
||||
# define XXH3_128bits_reset XXH_NAME2(XXH_NAMESPACE, XXH3_128bits_reset)
|
||||
# define XXH3_128bits_reset_withSeed XXH_NAME2(XXH_NAMESPACE, XXH3_128bits_reset_withSeed)
|
||||
# define XXH3_128bits_reset_withSecret XXH_NAME2(XXH_NAMESPACE, XXH3_128bits_reset_withSecret)
|
||||
# define XXH3_128bits_update XXH_NAME2(XXH_NAMESPACE, XXH3_128bits_update)
|
||||
# define XXH3_128bits_digest XXH_NAME2(XXH_NAMESPACE, XXH3_128bits_digest)
|
||||
|
||||
# define XXH128_isEqual XXH_NAME2(XXH_NAMESPACE, XXH128_isEqual)
|
||||
# define XXH128_cmp XXH_NAME2(XXH_NAMESPACE, XXH128_cmp)
|
||||
# define XXH128_canonicalFromHash XXH_NAME2(XXH_NAMESPACE, XXH128_canonicalFromHash)
|
||||
# define XXH128_hashFromCanonical XXH_NAME2(XXH_NAMESPACE, XXH128_hashFromCanonical)
|
||||
#endif
|
||||
|
||||
typedef struct {
|
||||
XXH64_hash_t low64;
|
||||
XXH64_hash_t high64;
|
||||
} XXH128_hash_t;
|
||||
|
||||
XXH_PUBLIC_API XXH128_hash_t XXH128(const void* data, size_t len, XXH64_hash_t seed);
|
||||
XXH_PUBLIC_API XXH128_hash_t XXH3_128bits(const void* data, size_t len);
|
||||
XXH_PUBLIC_API XXH128_hash_t XXH3_128bits_withSeed(const void* data, size_t len, XXH64_hash_t seed); /* == XXH128() */
|
||||
XXH_PUBLIC_API XXH128_hash_t XXH3_128bits_withSecret(const void* data, size_t len, const void* secret, size_t secretSize);
|
||||
|
||||
XXH_PUBLIC_API XXH_errorcode XXH3_128bits_reset(XXH3_state_t* statePtr);
|
||||
XXH_PUBLIC_API XXH_errorcode XXH3_128bits_reset_withSeed(XXH3_state_t* statePtr, XXH64_hash_t seed);
|
||||
XXH_PUBLIC_API XXH_errorcode XXH3_128bits_reset_withSecret(XXH3_state_t* statePtr, const void* secret, size_t secretSize);
|
||||
|
||||
XXH_PUBLIC_API XXH_errorcode XXH3_128bits_update (XXH3_state_t* statePtr, const void* input, size_t length);
|
||||
XXH_PUBLIC_API XXH128_hash_t XXH3_128bits_digest (const XXH3_state_t* statePtr);
|
||||
|
||||
|
||||
/* Note : for better performance, following functions should be inlined,
|
||||
* using XXH_INLINE_ALL */
|
||||
|
||||
/* return : 1 is equal, 0 if different */
|
||||
XXH_PUBLIC_API int XXH128_isEqual(XXH128_hash_t h1, XXH128_hash_t h2);
|
||||
|
||||
/* This comparator is compatible with stdlib's qsort().
|
||||
* return : >0 if *h128_1 > *h128_2
|
||||
* <0 if *h128_1 < *h128_2
|
||||
* =0 if *h128_1 == *h128_2 */
|
||||
XXH_PUBLIC_API int XXH128_cmp(const void* h128_1, const void* h128_2);
|
||||
|
||||
|
||||
/*====== Canonical representation ======*/
|
||||
typedef struct { unsigned char digest[16]; } XXH128_canonical_t;
|
||||
XXH_PUBLIC_API void XXH128_canonicalFromHash(XXH128_canonical_t* dst, XXH128_hash_t hash);
|
||||
XXH_PUBLIC_API XXH128_hash_t XXH128_hashFromCanonical(const XXH128_canonical_t* src);
|
||||
|
||||
|
||||
#endif /* XXH_NO_LONG_LONG */
|
||||
|
||||
|
||||
/*-**********************************************************************
|
||||
* XXH_INLINE_ALL
|
||||
************************************************************************/
|
||||
#if defined(XXH_INLINE_ALL) || defined(XXH_PRIVATE_API)
|
||||
# include "xxhash.c" /* include xxhash function bodies as `static`, for inlining */
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
#endif /* XXH_STATIC_LINKING_ONLY */
|
||||
|
||||
|
||||
|
|
|
|||
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Reference in New Issue