Files
tromcho.net/src/util/xxhash.h
T

66 lines
2.2 KiB
C

// 7.5k LOC header is not a header
// This is a real header for xxhash3
#pragma once
#include <stdint.h>
#include <stddef.h>
#if defined(__cplusplus) && !defined(XXH_NO_EXTERNC_GUARD)
extern "C" {
#endif
#if !defined(XXH_INLINE_ALL) && !defined(XXH_PRIVATE_API)
# if defined(_WIN32) && defined(_MSC_VER) && (defined(XXH_IMPORT) || defined(XXH_EXPORT))
# ifdef XXH_EXPORT
# define XXH_PUBLIC_API __declspec(dllexport)
# elif XXH_IMPORT
# define XXH_PUBLIC_API __declspec(dllimport)
# endif
# else
# define XXH_PUBLIC_API /* do nothing */
# endif
#endif
#ifdef __has_attribute
# define XXH_HAS_ATTRIBUTE(x) __has_attribute(x)
#else
# define XXH_HAS_ATTRIBUTE(x) 0
#endif
#if XXH_HAS_ATTRIBUTE(noescape)
# define XXH_NOESCAPE __attribute__((__noescape__))
#else
# define XXH_NOESCAPE
#endif
#define XXH_SECRET_DEFAULT_SIZE 192
typedef enum {
XXH_OK = 0,
XXH_ERROR
} XXH_errorcode;
typedef uint64_t XXH64_hash_t;
typedef struct {
XXH64_hash_t low64; /*!< `value & 0xFFFFFFFFFFFFFFFF` */
XXH64_hash_t high64; /*!< `value >> 64` */
} XXH128_hash_t;
XXH64_hash_t XXH3_64bits(const void* input, size_t length);
__attribute__((__pure__)) XXH64_hash_t XXH3_64bits( const void* input, size_t length);
__attribute__((__pure__)) XXH64_hash_t XXH3_64bits_withSeed( const void* input, size_t length, XXH64_hash_t seed);
__attribute__((__pure__)) XXH64_hash_t XXH3_64bits_withSecret( const void* data, size_t len, const void* secret, size_t secretSize);
typedef struct XXH3_state_s XXH3_state_t;
__attribute__((__malloc__)) XXH3_state_t* XXH3_createState(void);
XXH_errorcode XXH3_freeState(XXH3_state_t* statePtr);
void XXH3_copyState( XXH3_state_t* dst_state, const XXH3_state_t* src_state);
XXH_errorcode XXH3_64bits_reset( XXH3_state_t* statePtr);
XXH_errorcode XXH3_64bits_reset_withSeed( XXH3_state_t* statePtr, XXH64_hash_t seed);
XXH_errorcode XXH3_64bits_reset_withSecret( XXH3_state_t* statePtr, const void* secret, size_t secretSize);
XXH_errorcode XXH3_64bits_update ( XXH3_state_t* statePtr, const void* input, size_t length);
__attribute__((__pure__)) XXH64_hash_t XXH3_64bits_digest ( const XXH3_state_t* statePtr);
#if defined (__cplusplus) && !defined(XXH_NO_EXTERNC_GUARD)
} /* extern "C" */
#endif