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xxhsum.c
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xxhsum.c
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/*
* xxhsum - Command line interface for xxhash algorithms
* Copyright (C) Yann Collet 2012-2016
*
* GPL v2 License
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* You can contact the author at :
* - xxHash homepage : http://www.xxhash.com
* - xxHash source repository : https://github.com/Cyan4973/xxHash
*/
/* xxhsum :
* Provides hash value of a file content, or a list of files, or stdin
* Display convention is Big Endian, for both 32 and 64 bits algorithms
*/
#ifndef XXHASH_C_2097394837
#define XXHASH_C_2097394837
/* ************************************
* Compiler Options
**************************************/
/* MS Visual */
#if defined(_MSC_VER) || defined(_WIN32)
# define _CRT_SECURE_NO_WARNINGS /* removes visual warnings */
#endif
/* Under Linux at least, pull in the *64 commands */
#ifndef _LARGEFILE64_SOURCE
# define _LARGEFILE64_SOURCE
#endif
/* ************************************
* Includes
**************************************/
#include <stdlib.h> /* malloc, calloc, free, exit */
#include <stdio.h> /* fprintf, fopen, ftello64, fread, stdin, stdout, _fileno (when present) */
#include <string.h> /* strcmp */
#include <sys/types.h> /* stat, stat64, _stat64 */
#include <sys/stat.h> /* stat, stat64, _stat64 */
#include <time.h> /* clock_t, clock, CLOCKS_PER_SEC */
#include <assert.h> /* assert */
#include <errno.h> /* errno */
#define XXH_STATIC_LINKING_ONLY /* *_state_t */
#include "xxhash.h"
/* ************************************
* OS-Specific Includes
**************************************/
#if !defined(_WIN32) && (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__)) /* UNIX-like OS */ \
|| defined(__midipix__) || defined(__VMS))
# if (defined(__APPLE__) && defined(__MACH__)) || defined(__SVR4) || defined(_AIX) || defined(__hpux) /* POSIX.1-2001 (SUSv3) conformant */ \
|| defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) /* BSD distros */
# define PLATFORM_POSIX_VERSION 200112L
# else
# if defined(__linux__) || defined(__linux)
# ifndef _POSIX_C_SOURCE
# define _POSIX_C_SOURCE 200112L /* use feature test macro */
# endif
# endif
# include <unistd.h> /* declares _POSIX_VERSION */
# if defined(_POSIX_VERSION) /* POSIX compliant */
# define PLATFORM_POSIX_VERSION _POSIX_VERSION
# else
# define PLATFORM_POSIX_VERSION 0
# endif
# endif
#endif
#if !defined(PLATFORM_POSIX_VERSION)
# define PLATFORM_POSIX_VERSION -1
#endif
#if (defined(__linux__) && (PLATFORM_POSIX_VERSION >= 1)) \
|| (PLATFORM_POSIX_VERSION >= 200112L) \
|| defined(__DJGPP__) \
|| defined(__MSYS__)
# include <unistd.h> /* isatty */
# define IS_CONSOLE(stdStream) isatty(fileno(stdStream))
#elif defined(MSDOS) || defined(OS2) || defined(__CYGWIN__)
# include <io.h> /* _isatty */
# define IS_CONSOLE(stdStream) _isatty(_fileno(stdStream))
#elif defined(WIN32) || defined(_WIN32)
# include <io.h> /* _isatty */
# include <windows.h> /* DeviceIoControl, HANDLE, FSCTL_SET_SPARSE */
# include <stdio.h> /* FILE */
static __inline int IS_CONSOLE(FILE* stdStream) {
DWORD dummy;
return _isatty(_fileno(stdStream)) && GetConsoleMode((HANDLE)_get_osfhandle(_fileno(stdStream)), &dummy);
}
#else
# define IS_CONSOLE(stdStream) 0
#endif
#if defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(_WIN32)
# include <fcntl.h> /* _O_BINARY */
# include <io.h> /* _setmode, _fileno, _get_osfhandle */
# if !defined(__DJGPP__)
# include <windows.h> /* DeviceIoControl, HANDLE, FSCTL_SET_SPARSE */
# include <winioctl.h> /* FSCTL_SET_SPARSE */
# define SET_BINARY_MODE(file) { int const unused=_setmode(_fileno(file), _O_BINARY); (void)unused; }
# define SET_SPARSE_FILE_MODE(file) { DWORD dw; DeviceIoControl((HANDLE) _get_osfhandle(_fileno(file)), FSCTL_SET_SPARSE, 0, 0, 0, 0, &dw, 0); }
# else
# define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY)
# define SET_SPARSE_FILE_MODE(file)
# endif
#else
# define SET_BINARY_MODE(file)
# define SET_SPARSE_FILE_MODE(file)
#endif
#if !defined(S_ISREG)
# define S_ISREG(x) (((x) & S_IFMT) == S_IFREG)
#endif
/* ************************************
* Basic Types
**************************************/
#ifndef MEM_MODULE
# define MEM_MODULE
# if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L /* C99 */
# include <stdint.h>
typedef uint8_t BYTE;
typedef uint16_t U16;
typedef uint32_t U32;
typedef int32_t S32;
typedef uint64_t U64;
# else
typedef unsigned char BYTE;
typedef unsigned short U16;
typedef unsigned int U32;
typedef signed int S32;
typedef unsigned long long U64;
# endif
#endif
static unsigned BMK_isLittleEndian(void)
{
const union { U32 u; BYTE c[4]; } one = { 1 }; /* don't use static : performance detrimental */
return one.c[0];
}
/* *************************************
* Constants
***************************************/
#define LIB_VERSION XXH_VERSION_MAJOR.XXH_VERSION_MINOR.XXH_VERSION_RELEASE
#define QUOTE(str) #str
#define EXPAND_AND_QUOTE(str) QUOTE(str)
#define PROGRAM_VERSION EXPAND_AND_QUOTE(LIB_VERSION)
/* Show compiler versions in WELCOME_MESSAGE. VERSION_FMT will return the printf specifiers,
* and VERSION will contain the comma separated list of arguments to the VERSION_FMT string. */
#if defined(__clang_version__)
/* Clang does its own thing. */
# ifdef __apple_build_version__
# define VERSION_FMT ", Apple Clang %s"
# else
# define VERSION_FMT ", Clang %s"
# endif
# define VERSION __clang_version__
#elif defined(__VERSION__)
/* GCC and ICC */
# define VERSION_FMT ", %s"
# ifdef __INTEL_COMPILER /* icc adds its prefix */
# define VERSION_STRING __VERSION__
# else /* assume GCC */
# define VERSION "GCC " __VERSION__
# endif
#elif defined(_MSC_FULL_VER) && defined(_MSC_BUILD)
/* "For example, if the version number of the Visual C++ compiler is 15.00.20706.01, the _MSC_FULL_VER macro
* evaluates to 150020706." https://docs.microsoft.com/en-us/cpp/preprocessor/predefined-macros?view=vs-2017 */
# define VERSION _MSC_FULL_VER / 10000000 % 100, _MSC_FULL_VER / 100000 % 100, _MSC_FULL_VER % 100000, _MSC_BUILD
# define VERSION_FMT ", MSVC %02i.%02i.%05i.%02i"
#elif defined(__TINYC__)
/* tcc stores its version in the __TINYC__ macro. */
# define VERSION_FMT ", tcc %i.%i.%i"
# define VERSION __TINYC__ / 10000 % 100, __TINYC__ / 100 % 100, __TINYC__ % 100
#else
# define VERSION_FMT "%s"
# define VERSION ""
#endif
/* makes the next part easier */
#if defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
# define ARCH_X86 "x86_64"
#elif defined(__i386__) || defined(_M_X86) || defined(_M_X86_FP)
# define ARCH_X86 "i386"
#endif
/* Try to detect the architecture. */
#if defined(ARCH_X86)
# if defined(__AVX2__)
# define ARCH ARCH_X86 " + AVX2"
# elif defined(__AVX__)
# define ARCH ARCH_X86 " + AVX"
# elif defined(__SSE2__)
# define ARCH ARCH_X86 " + SSE2"
# else
# define ARCH ARCH_X86
# endif
#elif defined(__aarch64__) || defined(__arm64__) || defined(_M_ARM64)
# define ARCH "aarch64"
#elif defined(__arm__) || defined(__thumb__) || defined(__thumb2__) || defined(_M_ARM)
# if defined(__ARM_NEON) || defined(__ARM_NEON__)
# define ARCH "arm + NEON"
# else
# define ARCH "arm"
# endif
#elif defined(__powerpc64__) || defined(__ppc64__) || defined(__PPC64__)
# if defined(__GNUC__) && defined(__VSX__)
# define ARCH "ppc64 + VSX"
# else
# define ARCH "ppc64"
# endif
#elif defined(__powerpc__) || defined(__ppc__) || defined(__PPC__)
# define ARCH "ppc"
#elif defined(__AVR)
# define ARCH "AVR"
#elif defined(__mips64)
# define ARCH "mips64"
#elif defined(__mips)
# define ARCH "mips"
#else
# define ARCH "unknown"
#endif
static const int g_nbBits = (int)(sizeof(void*)*8);
static const char g_lename[] = "little endian";
static const char g_bename[] = "big endian";
#define ENDIAN_NAME (BMK_isLittleEndian() ? g_lename : g_bename)
static const char author[] = "Yann Collet";
#define WELCOME_MESSAGE(exename) "%s %s (%i-bits %s %s)" VERSION_FMT ", by %s \n", \
exename, PROGRAM_VERSION, g_nbBits, ARCH, ENDIAN_NAME, VERSION, author
#define KB *( 1<<10)
#define MB *( 1<<20)
#define GB *(1U<<30)
static size_t XXH_DEFAULT_SAMPLE_SIZE = 100 KB;
#define NBLOOPS 3 /* Default number of benchmark iterations */
#define TIMELOOP_S 1
#define TIMELOOP (TIMELOOP_S * CLOCKS_PER_SEC) /* Minimum timing per iteration */
#define XXHSUM32_DEFAULT_SEED 0 /* Default seed for algo_xxh32 */
#define XXHSUM64_DEFAULT_SEED 0 /* Default seed for algo_xxh64 */
#define MAX_MEM (2 GB - 64 MB)
static const char stdinName[] = "-";
typedef enum { algo_xxh32, algo_xxh64 } algoType;
static const algoType g_defaultAlgo = algo_xxh64; /* required within main() & usage() */
/* <16 hex char> <SPC> <SPC> <filename> <'\0'>
* '4096' is typical Linux PATH_MAX configuration. */
#define DEFAULT_LINE_LENGTH (sizeof(XXH64_hash_t) * 2 + 2 + 4096 + 1)
/* Maximum acceptable line length. */
#define MAX_LINE_LENGTH (32 KB)
/* ************************************
* Display macros
**************************************/
#define DISPLAY(...) fprintf(stderr, __VA_ARGS__)
#define DISPLAYRESULT(...) fprintf(stdout, __VA_ARGS__)
#define DISPLAYLEVEL(l, ...) do { if (g_displayLevel>=l) DISPLAY(__VA_ARGS__); } while (0)
static int g_displayLevel = 2;
/* ************************************
* Local variables
**************************************/
static U32 g_nbIterations = NBLOOPS;
/* ************************************
* Benchmark Functions
**************************************/
static clock_t BMK_clockSpan( clock_t start )
{
return clock() - start; /* works even if overflow; Typical max span ~ 30 mn */
}
static size_t BMK_findMaxMem(U64 requiredMem)
{
size_t const step = 64 MB;
void* testmem = NULL;
requiredMem = (((requiredMem >> 26) + 1) << 26);
requiredMem += 2*step;
if (requiredMem > MAX_MEM) requiredMem = MAX_MEM;
while (!testmem) {
if (requiredMem > step) requiredMem -= step;
else requiredMem >>= 1;
testmem = malloc ((size_t)requiredMem);
}
free (testmem);
/* keep some space available */
if (requiredMem > step) requiredMem -= step;
else requiredMem >>= 1;
return (size_t)requiredMem;
}
static U64 BMK_GetFileSize(const char* infilename)
{
int r;
#if defined(_MSC_VER)
struct _stat64 statbuf;
r = _stat64(infilename, &statbuf);
#else
struct stat statbuf;
r = stat(infilename, &statbuf);
#endif
if (r || !S_ISREG(statbuf.st_mode)) return 0; /* No good... */
return (U64)statbuf.st_size;
}
typedef U32 (*hashFunction)(const void* buffer, size_t bufferSize, U32 seed);
static U32 localXXH32(const void* buffer, size_t bufferSize, U32 seed) { return XXH32(buffer, bufferSize, seed); }
static U32 localXXH64(const void* buffer, size_t bufferSize, U32 seed) { return (U32)XXH64(buffer, bufferSize, seed); }
static U32 localXXH3_64b(const void* buffer, size_t bufferSize, U32 seed) { (void)seed; return (U32)XXH3_64bits(buffer, bufferSize); }
static void BMK_benchHash(hashFunction h, const char* hName, const void* buffer, size_t bufferSize)
{
U32 nbh_perIteration = (U32)((300 MB) / (bufferSize+1)) + 1; /* first loop conservatively aims for 300 MB/s */
U32 iterationNb;
double fastestH = 100000000.;
DISPLAYLEVEL(2, "\r%70s\r", ""); /* Clean display line */
if (g_nbIterations<1) g_nbIterations=1;
for (iterationNb = 1; iterationNb <= g_nbIterations; iterationNb++) {
U32 r=0;
clock_t cStart;
DISPLAYLEVEL(2, "%1u-%-17.17s : %10u ->\r", iterationNb, hName, (U32)bufferSize);
cStart = clock();
while (clock() == cStart); /* starts clock() at its exact beginning */
cStart = clock();
{ U32 u;
for (u=0; u<nbh_perIteration; u++)
r += h(buffer, bufferSize, u);
}
if (r==0) DISPLAYLEVEL(3,".\r"); /* do something with r to defeat compiler "optimizing" away hash */
{ clock_t const nbTicks = BMK_clockSpan(cStart);
double const timeS = ((double)nbTicks / CLOCKS_PER_SEC) / nbh_perIteration;
if (nbTicks == 0) { /* faster than resolution timer */
nbh_perIteration *= 100;
iterationNb--; /* try again */
continue;
}
if (timeS < fastestH) fastestH = timeS;
DISPLAYLEVEL(2, "%1u-%-17.17s : %10u -> %8.0f it/s (%7.1f MB/s) \r",
iterationNb, hName, (U32)bufferSize,
(double)1 / fastestH,
((double)bufferSize / (1<<20)) / fastestH );
}
{ double nbh_perSecond = (1 / fastestH) + 1;
if (nbh_perSecond > (double)(4000U<<20)) nbh_perSecond = (double)(4000U<<20);
nbh_perIteration = (U32)nbh_perSecond;
}
}
DISPLAYLEVEL(1, "%-19.19s : %10u -> %8.0f it/s (%7.1f MB/s) \n", hName, (U32)bufferSize,
(double)1 / fastestH,
((double)bufferSize / (1<<20)) / fastestH);
if (g_displayLevel<1)
DISPLAYLEVEL(0, "%u, ", (U32)((double)1 / fastestH));
}
/* BMK_benchMem():
* specificTest : 0 == run all tests, 1+ run only specific test
* buffer : is supposed 8-bytes aligned (if malloc'ed, it should be)
* the real allocated size of buffer is supposed to be >= (bufferSize+3).
* @return : 0 on success, 1 if error (invalid mode selected) */
static int BMK_benchMem(const void* buffer, size_t bufferSize, U32 specificTest)
{
assert((((size_t)buffer) & 8) == 0); /* ensure alignment */
/* XXH32 bench */
if ((specificTest==0) | (specificTest==1))
BMK_benchHash(localXXH32, "XXH32", buffer, bufferSize);
/* Bench XXH32 on Unaligned input */
if ((specificTest==0) | (specificTest==2))
BMK_benchHash(localXXH32, "XXH32 unaligned", ((const char*)buffer)+1, bufferSize);
/* Bench XXH64 */
if ((specificTest==0) | (specificTest==3))
BMK_benchHash(localXXH64, "XXH64", buffer, bufferSize);
/* Bench XXH64 on Unaligned input */
if ((specificTest==0) | (specificTest==4))
BMK_benchHash(localXXH64, "XXH64 unaligned", ((const char*)buffer)+3, bufferSize);
/* Bench XXH3 */
if ((specificTest==0) | (specificTest==5))
BMK_benchHash(localXXH3_64b, "XXH3_64bits", buffer, bufferSize);
/* Bench XXH3 on Unaligned input */
if ((specificTest==0) | (specificTest==6))
BMK_benchHash(localXXH3_64b, "XXH3_64b unaligned", ((const char*)buffer)+3, bufferSize);
if (specificTest > 6) {
DISPLAY("Benchmark mode invalid.\n");
return 1;
}
return 0;
}
static size_t BMK_selectBenchedSize(const char* fileName)
{ U64 const inFileSize = BMK_GetFileSize(fileName);
size_t benchedSize = (size_t) BMK_findMaxMem(inFileSize);
if ((U64)benchedSize > inFileSize) benchedSize = (size_t)inFileSize;
if (benchedSize < inFileSize) {
DISPLAY("Not enough memory for '%s' full size; testing %i MB only...\n", fileName, (int)(benchedSize>>20));
}
return benchedSize;
}
static int BMK_benchFiles(const char** fileNamesTable, int nbFiles, U32 specificTest)
{
int result = 0;
int fileIdx;
for (fileIdx=0; fileIdx<nbFiles; fileIdx++) {
const char* const inFileName = fileNamesTable[fileIdx];
assert(inFileName != NULL);
{
FILE* const inFile = fopen( inFileName, "rb" );
size_t const benchedSize = BMK_selectBenchedSize(inFileName);
char* const buffer = (char*)calloc(benchedSize+16+3, 1);
void* const alignedBuffer = (buffer+15) - (((size_t)(buffer+15)) & 0xF); /* align on next 16 bytes */
/* Checks */
if (inFile==NULL){
DISPLAY("Error: Could not open '%s': %s.\n", inFileName, strerror(errno));
free(buffer);
return 11;
}
if(!buffer) {
DISPLAY("\nError: Out of memory.\n");
fclose(inFile);
return 12;
}
/* Fill input buffer */
DISPLAYLEVEL(1, "\rLoading %s... \n", inFileName);
{ size_t const readSize = fread(alignedBuffer, 1, benchedSize, inFile);
fclose(inFile);
if(readSize != benchedSize) {
DISPLAY("\nError: Could not read '%s': %s.\n", inFileName, strerror(errno));
free(buffer);
return 13;
} }
/* bench */
result |= BMK_benchMem(alignedBuffer, benchedSize, specificTest);
free(buffer);
}
}
return result;
}
static int BMK_benchInternal(size_t keySize, U32 specificTest)
{
void* const buffer = calloc(keySize+16+3, 1);
if (!buffer) {
DISPLAY("\nError: Out of memory.\n");
return 12;
}
{ const void* const alignedBuffer = ((char*)buffer+15) - (((size_t)((char*)buffer+15)) & 0xF); /* align on next 16 bytes */
/* bench */
DISPLAYLEVEL(1, "Sample of ");
if (keySize > 10 KB) {
DISPLAYLEVEL(1, "%u KB", (U32)(keySize >> 10));
} else {
DISPLAYLEVEL(1, "%u bytes", (U32)keySize);
}
DISPLAYLEVEL(1, "... \n");
{ int const result = BMK_benchMem(alignedBuffer, keySize, specificTest);
free(buffer);
return result;
}
}
}
/* ************************************************
* Self-test :
* ensure results consistency accross platforms
*********************************************** */
static void BMK_checkResult32(XXH32_hash_t r1, XXH32_hash_t r2)
{
static int nbTests = 1;
if (r1!=r2) {
DISPLAY("\rError: 32-bit hash test %i: Internal sanity check failed!\n", nbTests);
DISPLAY("\rGot 0x%08X, expected 0x%08X.\n", r1, r2);
DISPLAY("\rNote: If you modified the hash functions, make sure to either update the values\n"
"or temporarily comment out the tests in BMK_sanityCheck.\n");
exit(1);
}
nbTests++;
}
static void BMK_checkResult64(XXH64_hash_t r1, XXH64_hash_t r2)
{
static int nbTests = 1;
if (r1!=r2) {
DISPLAY("\rError: 64-bit hash test %i: Internal sanity check failed!\n", nbTests);
DISPLAY("\rGot 0x%08X%08XULL, expected 0x%08X%08XULL.\n", (U32)(r1>>32), (U32)r1, (U32)(r2>>32), (U32)r2);
DISPLAY("\rNote: If you modified the hash functions, make sure to either update the values\n"
"or temporarily comment out the tests in BMK_sanityCheck.\n");
exit(1);
}
nbTests++;
}
static void BMK_checkResult128(XXH128_hash_t r1, XXH128_hash_t r2)
{
static int nbTests = 1;
if ((r1.low64 != r2.low64) || (r1.high64 != r2.high64)) {
DISPLAY("\rError: 128-bit hash test %i: Internal sanity check failed.\n", nbTests);
DISPLAY("\rGot { 0x%08X%08XULL, 0x%08X%08XULL }, expected { 0x%08X%08XULL, %08X%08XULL } \n",
(U32)(r1.low64>>32), (U32)r1.low64, (U32)(r1.high64>>32), (U32)r1.high64,
(U32)(r2.low64>>32), (U32)r2.low64, (U32)(r2.high64>>32), (U32)r2.high64 );
DISPLAY("\rNote: If you modified the hash functions, make sure to either update the values\n"
"or temporarily comment out the tests in BMK_sanityCheck.\n");
exit(1);
}
nbTests++;
}
static void BMK_testSequence64(const void* sentence, size_t len, U64 seed, U64 Nresult)
{
XXH64_state_t state;
U64 Dresult;
size_t pos;
Dresult = XXH64(sentence, len, seed);
BMK_checkResult64(Dresult, Nresult);
(void)XXH64_reset(&state, seed);
(void)XXH64_update(&state, sentence, len);
Dresult = XXH64_digest(&state);
BMK_checkResult64(Dresult, Nresult);
(void)XXH64_reset(&state, seed);
for (pos=0; pos<len; pos++)
(void)XXH64_update(&state, ((const char*)sentence)+pos, 1);
Dresult = XXH64_digest(&state);
BMK_checkResult64(Dresult, Nresult);
}
static void BMK_testXXH3(const void* data, size_t len, U64 seed, U64 Nresult)
{
{ U64 const Dresult = XXH3_64bits_withSeed(data, len, seed);
BMK_checkResult64(Dresult, Nresult);
}
/* check that the no-seed variant produces same result as seed==0 */
if (seed == 0) {
U64 const Dresult = XXH3_64bits(data, len);
BMK_checkResult64(Dresult, Nresult);
}
}
void BMK_testXXH128(const void* data, size_t len, U64 seed, XXH128_hash_t Nresult)
{
{ XXH128_hash_t const Dresult = XXH3_128bits_withSeed(data, len, seed);
BMK_checkResult128(Dresult, Nresult);
/* check that XXH128() is identical to XXH3_128bits_withSeed() */
{ XXH128_hash_t const Dresult2 = XXH128(data, len, seed);
BMK_checkResult128(Dresult2, Nresult);
}
/* check that first field is equal to _64bits variant */
/* this property is currently lost
{ U64 const result64 = XXH3_64bits_withSeed(data, len, seed);
BMK_checkResult64(result64, Nresult.low64);
}
*/
}
/* check that the no-seed variant produces same result as seed==0 */
if (seed == 0) {
XXH128_hash_t const Dresult = XXH3_128bits(data, len);
BMK_checkResult128(Dresult, Nresult);
}
}
static void BMK_testSequence(const void* sequence, size_t len, U32 seed, U32 Nresult)
{
XXH32_state_t state;
U32 Dresult;
size_t pos;
Dresult = XXH32(sequence, len, seed);
BMK_checkResult32(Dresult, Nresult);
(void)XXH32_reset(&state, seed);
(void)XXH32_update(&state, sequence, len);
Dresult = XXH32_digest(&state);
BMK_checkResult32(Dresult, Nresult);
(void)XXH32_reset(&state, seed);
for (pos=0; pos<len; pos++)
(void)XXH32_update(&state, ((const char*)sequence)+pos, 1);
Dresult = XXH32_digest(&state);
BMK_checkResult32(Dresult, Nresult);
}
#define SANITY_BUFFER_SIZE 2243
static void BMK_sanityCheck(void)
{
const U32 prime = 2654435761U;
const U64 prime64 = 11400714785074694793ULL;
BYTE sanityBuffer[SANITY_BUFFER_SIZE];
U32 byteGen = prime;
int i;
for (i=0; i<SANITY_BUFFER_SIZE; i++) {
sanityBuffer[i] = (BYTE)(byteGen>>24);
byteGen *= byteGen;
}
BMK_testSequence(NULL, 0, 0, 0x02CC5D05);
BMK_testSequence(NULL, 0, prime, 0x36B78AE7);
BMK_testSequence(sanityBuffer, 1, 0, 0xB85CBEE5);
BMK_testSequence(sanityBuffer, 1, prime, 0xD5845D64);
BMK_testSequence(sanityBuffer, 14, 0, 0xE5AA0AB4);
BMK_testSequence(sanityBuffer, 14, prime, 0x4481951D);
BMK_testSequence(sanityBuffer,222, 0, 0xC8070816);
BMK_testSequence(sanityBuffer,222, prime, 0xF3CFC852);
BMK_testSequence64(NULL , 0, 0, 0xEF46DB3751D8E999ULL);
BMK_testSequence64(NULL , 0, prime, 0xAC75FDA2929B17EFULL);
BMK_testSequence64(sanityBuffer, 1, 0, 0x4FCE394CC88952D8ULL);
BMK_testSequence64(sanityBuffer, 1, prime, 0x739840CB819FA723ULL);
BMK_testSequence64(sanityBuffer, 14, 0, 0xCFFA8DB881BC3A3DULL);
BMK_testSequence64(sanityBuffer, 14, prime, 0x5B9611585EFCC9CBULL);
BMK_testSequence64(sanityBuffer,222, 0, 0x9DD507880DEBB03DULL);
BMK_testSequence64(sanityBuffer,222, prime, 0xDC515172B8EE0600ULL);
BMK_testXXH3(NULL, 0, 0, 0); /* zero-length hash is the seed == 0 by default */
BMK_testXXH3(NULL, 0, prime64, prime64);
BMK_testXXH3(sanityBuffer, 1, 0, 0xD00398B418222F66ULL); /* 1 - 3 */
BMK_testXXH3(sanityBuffer, 1, prime64, 0x5EF5C7337AA1168CULL); /* 1 - 3 */
BMK_testXXH3(sanityBuffer, 6, 0, 0x68537B93CD65EAFCULL); /* 4 - 8 */
BMK_testXXH3(sanityBuffer, 6, prime64, 0xA36B56604D3DBE82ULL); /* 4 - 8 */
BMK_testXXH3(sanityBuffer, 12, 0, 0x2FE2FCCCA6588881ULL); /* 9 - 16 */
BMK_testXXH3(sanityBuffer, 12, prime64, 0x9C2CD5D85ECD70C2ULL); /* 9 - 16 */
BMK_testXXH3(sanityBuffer, 24, 0, 0x5D1ACF28E03D292CULL); /* 17 - 32 */
BMK_testXXH3(sanityBuffer, 24, prime64, 0x12E86CBA829EB02AULL); /* 17 - 32 */
BMK_testXXH3(sanityBuffer, 48, 0, 0x89736A64A2E3ACF0ULL); /* 33 - 64 */
BMK_testXXH3(sanityBuffer, 48, prime64, 0xA9AB767ADCAF987DULL); /* 33 - 64 */
BMK_testXXH3(sanityBuffer, 80, 0, 0x33F6A85B289CED96ULL); /* 65 - 96 */
BMK_testXXH3(sanityBuffer, 80, prime64, 0xCEC2ABFA9921D9F3ULL); /* 65 - 96 */
BMK_testXXH3(sanityBuffer, 112, 0, 0xB02D718F40E65664ULL); /* 97 -128 */
BMK_testXXH3(sanityBuffer, 112, prime64, 0x5DC1A8081633724EULL); /* 97 -128 */
BMK_testXXH3(sanityBuffer, 192, 0, 0x944C286DF5682C8CULL); /* one block, finishing at stripe boundary */
BMK_testXXH3(sanityBuffer, 192, prime64, 0x87F2E5E8102906E0ULL); /* one block, finishing at stripe boundary */
BMK_testXXH3(sanityBuffer, 222, 0, 0x5EB0E26C52E65CFBULL); /* one block, last stripe is overlapping */
BMK_testXXH3(sanityBuffer, 222, prime64, 0xEA096DA835DE9483ULL); /* one block, last stripe is overlapping */
BMK_testXXH3(sanityBuffer,2048, 0, 0xC1B55DD62278D3F6ULL); /* 2 blocks, finishing at block boundary */
BMK_testXXH3(sanityBuffer,2048, prime64, 0xA8416CC591E6057EULL); /* 2 blocks, finishing at block boundary */
BMK_testXXH3(sanityBuffer,2240, 0, 0x0222DF03A2F13322ULL); /* 3 blocks, finishing at stripe boundary */
BMK_testXXH3(sanityBuffer,2240, prime64, 0x02C46760EC80602FULL); /* 3 blocks, finishing at stripe boundary */
BMK_testXXH3(sanityBuffer,2243, 0, 0x072D949235D92E59ULL); /* 3 blocks, last stripe is overlapping */
BMK_testXXH3(sanityBuffer,2243, prime64, 0xBEDD0F5239FB92C8ULL); /* 3 blocks, last stripe is overlapping */
#if 0
{ XXH128_hash_t const expected = { 0, 0 };
BMK_testXXH128(NULL, 0, 0, expected); /* zero-length hash is { seed, -seed } by default */
}
{ XXH128_hash_t const expected = { prime, -(U64)prime };
BMK_testXXH128(NULL, 0, prime, expected);
}
{ XXH128_hash_t const expected = { 0xE2C6D3B40D6F9203ULL, 0x82895983D246CA74ULL };
BMK_testXXH128(sanityBuffer, 1, 0, expected); /* 1-3 */
}
{ XXH128_hash_t const expected = { 0xCEE5DF124E6135DCULL, 0xFA2DA0269396F32DULL };
BMK_testXXH128(sanityBuffer, 1, prime, expected); /* 1-3 */
}
{ XXH128_hash_t const expected = { 0x585D6F8D1AAD96A2ULL, 0x2791F3B193F0AB86ULL };
BMK_testXXH128(sanityBuffer, 6, 0, expected); /* 4-8 */
}
{ XXH128_hash_t const expected = { 0x133EC8CA1739250FULL, 0xDF3F422D70BDE07FULL };
BMK_testXXH128(sanityBuffer, 6, prime, expected); /* 4-8 */
}
{ XXH128_hash_t const expected = { 0x0E85E122FE5356ACULL, 0xD933CC7EDF4D95DAULL };
BMK_testXXH128(sanityBuffer, 12, 0, expected); /* 9-16 */
}
{ XXH128_hash_t const expected = { 0xE0DB5E70DA67EB16ULL, 0x114C8C76E74C669FULL };
BMK_testXXH128(sanityBuffer, 12, prime, expected); /* 9-16 */
}
{ XXH128_hash_t const expected = { 0x6C213B15B89230C9ULL, 0x3F3AACF5F277AC02ULL };
BMK_testXXH128(sanityBuffer, 24, 0, expected); /* 17-32 */
}
{ XXH128_hash_t const expected = { 0x71892DB847A8F53CULL, 0xD11561AC7D0F5ECDULL };
BMK_testXXH128(sanityBuffer, 24, prime, expected); /* 17-32 */
}
{ XXH128_hash_t const expected = { 0xECED834E8E99DA1EULL, 0x0F85E76A60898313ULL };
BMK_testXXH128(sanityBuffer, 48, 0, expected); /* 33-64 */
}
{ XXH128_hash_t const expected = { 0xA901250B336F9133ULL, 0xA35D3FB395E1DDE0ULL };
BMK_testXXH128(sanityBuffer, 48, prime, expected); /* 33-64 */
}
{ XXH128_hash_t const expected = { 0x338B2F6E103D5B4EULL, 0x5DD1777C8FA671ABULL };
BMK_testXXH128(sanityBuffer, 81, 0, expected); /* 65-96 */
}
{ XXH128_hash_t const expected = { 0x0718382B6D4264C3ULL, 0x1D542DAFEFA1790EULL };
BMK_testXXH128(sanityBuffer, 81, prime, expected); /* 65-96 */
}
{ XXH128_hash_t const expected = { 0x7DE871A4FE41C90EULL, 0x786CB41C46C6B7B6ULL };
BMK_testXXH128(sanityBuffer, 103, 0, expected); /* 97-128 */
}
{ XXH128_hash_t const expected = { 0xAD8B0B428C940A2CULL, 0xF8BA6D8B8CB05EB7ULL };
BMK_testXXH128(sanityBuffer, 103, prime, expected); /* 97-128 */
}
{ XXH128_hash_t const expected = { 0x6D96AC3F415CFCFEULL, 0x947EDFA54DD68990ULL };
BMK_testXXH128(sanityBuffer, 192, 0, expected); /* one block, ends at stripe boundary */
}
{ XXH128_hash_t const expected = { 0xE4BD30AA1673B966ULL, 0x8132EF45FF3D51F2ULL };
BMK_testXXH128(sanityBuffer, 192, prime, expected); /* one block, ends at stripe boundary */
}
{ XXH128_hash_t const expected = { 0xB62929C362EF3BF5ULL, 0x1946A7A9E6DD3032ULL };
BMK_testXXH128(sanityBuffer, 222, 0, expected); /* one block, last stripe is overlapping */
}
{ XXH128_hash_t const expected = { 0x2782C3C49E3FD25EULL, 0x98CE16C40C2D59F6ULL };
BMK_testXXH128(sanityBuffer, 222, prime, expected); /* one block, last stripe is overlapping */
}
{ XXH128_hash_t const expected = { 0x802EB54C97564FD7ULL, 0x384AADF242348D00ULL };
BMK_testXXH128(sanityBuffer,2048, 0, expected); /* two blocks, finishing at block boundary */
}
{ XXH128_hash_t const expected = { 0xC9F188CFAFDA22CDULL, 0x7936B69445BE9EEDULL };
BMK_testXXH128(sanityBuffer,2048, prime, expected); /* two blocks, finishing at block boundary */
}
{ XXH128_hash_t const expected = { 0x16B0035F6ABC1F46ULL, 0x1F6602850A1AA7EEULL };
BMK_testXXH128(sanityBuffer,2240, 0, expected); /* two blocks, ends at stripe boundary */
}
{ XXH128_hash_t const expected = { 0x389E68C2348B9161ULL, 0xA7D1E8C96586A052ULL };
BMK_testXXH128(sanityBuffer,2240, prime, expected); /* two blocks, ends at stripe boundary */
}
{ XXH128_hash_t const expected = { 0x8B1DE79158C397D3ULL, 0x9B6B2EEFAC2DE0ADULL };
BMK_testXXH128(sanityBuffer,2237, 0, expected); /* two blocks, ends at stripe boundary */
}
{ XXH128_hash_t const expected = { 0x9DDF09ABA2B93DD6ULL, 0xB9CEDBE2582CA371ULL };
BMK_testXXH128(sanityBuffer,2237, prime, expected); /* two blocks, ends at stripe boundary */
}
#endif
DISPLAYLEVEL(3, "\r%70s\r", ""); /* Clean display line */
DISPLAYLEVEL(3, "Sanity check -- all tests ok\n");
}
/* ********************************************************
* File Hashing
**********************************************************/
static void BMK_display_LittleEndian(const void* ptr, size_t length)
{
const BYTE* p = (const BYTE*)ptr;
size_t idx;
for (idx=length-1; idx<length; idx--) /* intentional underflow to negative to detect end */
DISPLAYRESULT("%02x", p[idx]);
}
static void BMK_display_BigEndian(const void* ptr, size_t length)
{
const BYTE* p = (const BYTE*)ptr;
size_t idx;
for (idx=0; idx<length; idx++)
DISPLAYRESULT("%02x", p[idx]);
}
static void BMK_hashStream(void* xxhHashValue, const algoType hashType, FILE* inFile, void* buffer, size_t blockSize)
{
XXH64_state_t state64;
XXH32_state_t state32;
size_t readSize;
/* Init */
(void)XXH32_reset(&state32, XXHSUM32_DEFAULT_SEED);
(void)XXH64_reset(&state64, XXHSUM64_DEFAULT_SEED);
/* Load file & update hash */
readSize = 1;
while (readSize) {
readSize = fread(buffer, 1, blockSize, inFile);
switch(hashType)
{
case algo_xxh32:
(void)XXH32_update(&state32, buffer, readSize);
break;
case algo_xxh64:
(void)XXH64_update(&state64, buffer, readSize);
break;
default:
break;
}
}
switch(hashType)
{
case algo_xxh32:
{ U32 const h32 = XXH32_digest(&state32);
memcpy(xxhHashValue, &h32, sizeof(h32));
break;
}
case algo_xxh64:
{ U64 const h64 = XXH64_digest(&state64);
memcpy(xxhHashValue, &h64, sizeof(h64));
break;
}
default:
break;
}
}
typedef enum { big_endian, little_endian} endianess;
static int BMK_hash(const char* fileName,
const algoType hashType,
const endianess displayEndianess)
{
FILE* inFile;
size_t const blockSize = 64 KB;
void* buffer;
U32 h32 = 0;
U64 h64 = 0;
/* Check file existence */
if (fileName == stdinName) {
inFile = stdin;
fileName = "stdin";
SET_BINARY_MODE(stdin);
}
else
inFile = fopen( fileName, "rb" );
if (inFile==NULL) {
DISPLAY("Error: Could not open '%s': %s.\n", fileName, strerror(errno));
return 1;
}
/* Memory allocation & restrictions */
buffer = malloc(blockSize);
if(!buffer) {
DISPLAY("\nError: Out of memory.\n");
fclose(inFile);
return 1;
}
/* loading notification */
{ const size_t fileNameSize = strlen(fileName);
const char* const fileNameEnd = fileName + fileNameSize;
const int maxInfoFilenameSize = (int)(fileNameSize > 30 ? 30 : fileNameSize);
int infoFilenameSize = 1;
while ((infoFilenameSize < maxInfoFilenameSize)
&& (fileNameEnd[-1-infoFilenameSize] != '/')
&& (fileNameEnd[-1-infoFilenameSize] != '\\') )
infoFilenameSize++;
DISPLAY("\rLoading %s... \r", fileNameEnd - infoFilenameSize);
/* Load file & update hash */
switch(hashType)
{
case algo_xxh32:
BMK_hashStream(&h32, algo_xxh32, inFile, buffer, blockSize);
break;
case algo_xxh64:
BMK_hashStream(&h64, algo_xxh64, inFile, buffer, blockSize);
break;
default:
break;
}
fclose(inFile);
free(buffer);
DISPLAY("%s \r", fileNameEnd - infoFilenameSize); /* erase line */
}
/* display Hash */
switch(hashType)
{
case algo_xxh32:
{ XXH32_canonical_t hcbe32;
(void)XXH32_canonicalFromHash(&hcbe32, h32);
displayEndianess==big_endian ?
BMK_display_BigEndian(&hcbe32, sizeof(hcbe32)) : BMK_display_LittleEndian(&hcbe32, sizeof(hcbe32));
DISPLAYRESULT(" %s\n", fileName);
break;
}
case algo_xxh64:
{ XXH64_canonical_t hcbe64;
(void)XXH64_canonicalFromHash(&hcbe64, h64);
displayEndianess==big_endian ?
BMK_display_BigEndian(&hcbe64, sizeof(hcbe64)) : BMK_display_LittleEndian(&hcbe64, sizeof(hcbe64));
DISPLAYRESULT(" %s\n", fileName);
break;
}
default:
break;
}
return 0;
}
static int BMK_hashFiles(const char** fnList, int fnTotal,
algoType hashType, endianess displayEndianess)
{
int fnNb;
int result = 0;
if (fnTotal==0)
return BMK_hash(stdinName, hashType, displayEndianess);
for (fnNb=0; fnNb<fnTotal; fnNb++)
result += BMK_hash(fnList[fnNb], hashType, displayEndianess);
DISPLAY("\r%70s\r", "");
return result;
}
typedef enum {
GetLine_ok,
GetLine_eof,
GetLine_exceedMaxLineLength,
GetLine_outOfMemory,
} GetLineResult;
typedef enum {
CanonicalFromString_ok,
CanonicalFromString_invalidFormat,
} CanonicalFromStringResult;
typedef enum {
ParseLine_ok,
ParseLine_invalidFormat,
} ParseLineResult;
typedef enum {
LineStatus_hashOk,
LineStatus_hashFailed,
LineStatus_failedToOpen,
} LineStatus;
typedef union {
XXH32_canonical_t xxh32;
XXH64_canonical_t xxh64;
} Canonical;
typedef struct {
Canonical canonical;
const char* filename;
int xxhBits; /* canonical type : 32:xxh32, 64:xxh64 */
} ParsedLine;
typedef struct {