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cd0f5c2209
xxHash/xxhsum.c
Yann Collet cd0f5c2209 slightly updated xxh128 at len 1-3 
for a slightly better bias
2019-09-28 20:02:55 -07:00

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/*
* xxhsum - Command line interface for xxhash algorithms
* Copyright (C) Yann Collet 2013-present
*
* 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(__POWER9_VECTOR__)
# define ARCH "ppc64 + POWER9 vector"
# elif defined(__GNUC__) && defined(__POWER8_VECTOR__)
# define ARCH "ppc64 + POWER8 vector"
# 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, algo_xxh128 } 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 U32 localXXH128(const void* buffer, size_t bufferSize, U32 seed) { return (U32)(XXH128(buffer, bufferSize, seed).low64); }
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);
/* Bench XXH3 */
if ((specificTest==0) | (specificTest==7))
BMK_benchHash(localXXH128, "XXH128", buffer, bufferSize);
/* Bench XXH3 on Unaligned input */
if ((specificTest==0) | (specificTest==8))
BMK_benchHash(localXXH128, "XXH128 unaligned", ((const char*)buffer)+3, bufferSize);
if (specificTest > 8) {
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(2, "\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_testXXH32(const void* sequence, size_t len, U32 seed, U32 Nresult)
{
XXH32_state_t state;
size_t pos;
BMK_checkResult32(XXH32(sequence, len, seed), Nresult);
(void)XXH32_reset(&state, seed);
(void)XXH32_update(&state, sequence, len);
BMK_checkResult32(XXH32_digest(&state), Nresult);
(void)XXH32_reset(&state, seed);
for (pos=0; pos<len; pos++)
(void)XXH32_update(&state, ((const char*)sequence)+pos, 1);
BMK_checkResult32(XXH32_digest(&state), Nresult);
}
static void BMK_testXXH64(const void* data, size_t len, U64 seed, U64 Nresult)
{
XXH64_state_t state;
size_t pos;
BMK_checkResult64(XXH64(data, len, seed), Nresult);
(void)XXH64_reset(&state, seed);
(void)XXH64_update(&state, data, len);
BMK_checkResult64(XXH64_digest(&state), Nresult);
(void)XXH64_reset(&state, seed);
for (pos=0; pos<len; pos++)
(void)XXH64_update(&state, ((const char*)data)+pos, 1);
BMK_checkResult64(XXH64_digest(&state), 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);
}
/* streaming API test */
{ XXH3_state_t state;
/* single ingestion */
(void)XXH3_64bits_reset_withSeed(&state, seed);
(void)XXH3_64bits_update(&state, data, len);
BMK_checkResult64(XXH3_64bits_digest(&state), Nresult);
if (len > 3) {
/* 2 ingestions */
(void)XXH3_64bits_reset_withSeed(&state, seed);
(void)XXH3_64bits_update(&state, data, 3);
(void)XXH3_64bits_update(&state, (const char*)data+3, len-3);
BMK_checkResult64(XXH3_64bits_digest(&state), Nresult);
}
/* byte by byte ingestion */
{ size_t pos;
(void)XXH3_64bits_reset_withSeed(&state, seed);
for (pos=0; pos<len; pos++)
(void)XXH3_64bits_update(&state, ((const char*)data)+pos, 1);
BMK_checkResult64(XXH3_64bits_digest(&state), Nresult);
} }
}
static void BMK_testXXH3_withSecret(const void* data, size_t len, const void* secret, size_t secretSize, U64 Nresult)
{
{ U64 const Dresult = XXH3_64bits_withSecret(data, len, secret, secretSize);
BMK_checkResult64(Dresult, Nresult);
}
/* streaming API test */
{ XXH3_state_t state;
(void)XXH3_64bits_reset_withSecret(&state, secret, secretSize);
(void)XXH3_64bits_update(&state, data, len);
BMK_checkResult64(XXH3_64bits_digest(&state), Nresult);
/* byte by byte ingestion */
{ size_t pos;
(void)XXH3_64bits_reset_withSecret(&state, secret, secretSize);
for (pos=0; pos<len; pos++)
(void)XXH3_64bits_update(&state, ((const char*)data)+pos, 1);
BMK_checkResult64(XXH3_64bits_digest(&state), 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 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);
}
/* streaming API test */
{ XXH3_state_t state;
/* single ingestion */
(void)XXH3_128bits_reset_withSeed(&state, seed);
(void)XXH3_128bits_update(&state, data, len);
BMK_checkResult128(XXH3_128bits_digest(&state), Nresult);
if (len > 3) {
/* 2 ingestions */
(void)XXH3_128bits_reset_withSeed(&state, seed);
(void)XXH3_128bits_update(&state, data, 3);
(void)XXH3_128bits_update(&state, (const char*)data+3, len-3);
BMK_checkResult128(XXH3_128bits_digest(&state), Nresult);
}
/* byte by byte ingestion */
{ size_t pos;
(void)XXH3_128bits_reset_withSeed(&state, seed);
for (pos=0; pos<len; pos++)
(void)XXH3_128bits_update(&state, ((const char*)data)+pos, 1);
BMK_checkResult128(XXH3_128bits_digest(&state), Nresult);
} }
}
#define SANITY_BUFFER_SIZE 2243
static void BMK_sanityCheck(void)
{
const U32 prime = 2654435761U;
const U64 prime64 = 11400714785074694797ULL;
BYTE sanityBuffer[SANITY_BUFFER_SIZE];
U64 byteGen = prime;
int i;
for (i=0; i<SANITY_BUFFER_SIZE; i++) {
sanityBuffer[i] = (BYTE)(byteGen>>56);
byteGen *= prime64;
}
BMK_testXXH32(NULL, 0, 0, 0x02CC5D05);
BMK_testXXH32(NULL, 0, prime, 0x36B78AE7);
BMK_testXXH32(sanityBuffer, 1, 0, 0xCF65B03E);
BMK_testXXH32(sanityBuffer, 1, prime, 0xB4545AA4);
BMK_testXXH32(sanityBuffer, 14, 0, 0x1208E7E2);
BMK_testXXH32(sanityBuffer, 14, prime, 0x6AF1D1FE);
BMK_testXXH32(sanityBuffer,222, 0, 0x5BD11DBD);
BMK_testXXH32(sanityBuffer,222, prime, 0x58803C5F);
BMK_testXXH64(NULL , 0, 0, 0xEF46DB3751D8E999ULL);
BMK_testXXH64(NULL , 0, prime, 0xAC75FDA2929B17EFULL);
BMK_testXXH64(sanityBuffer, 1, 0, 0xE934A84ADB052768ULL);
BMK_testXXH64(sanityBuffer, 1, prime, 0x5014607643A9B4C3ULL);
BMK_testXXH64(sanityBuffer, 4, 0, 0x9136A0DCA57457EEULL);
BMK_testXXH64(sanityBuffer, 14, 0, 0x8282DCC4994E35C8ULL);
BMK_testXXH64(sanityBuffer, 14, prime, 0xC3BD6BF63DEB6DF0ULL);
BMK_testXXH64(sanityBuffer,222, 0, 0xB641AE8CB691C174ULL);
BMK_testXXH64(sanityBuffer,222, prime, 0x20CB8AB7AE10C14AULL);
BMK_testXXH3(NULL, 0, 0, 0); /* zero-length hash is always 0 */
BMK_testXXH3(NULL, 0, prime64, 0);
BMK_testXXH3(sanityBuffer, 1, 0, 0x7198D737CFE7F386ULL); /* 1 - 3 */
BMK_testXXH3(sanityBuffer, 1, prime64, 0xB70252DB7161C2BDULL); /* 1 - 3 */
BMK_testXXH3(sanityBuffer, 6, 0, 0x22CBF5F3E1F6257CULL); /* 4 - 8 */
BMK_testXXH3(sanityBuffer, 6, prime64, 0x6398631C12AB94CEULL); /* 4 - 8 */
BMK_testXXH3(sanityBuffer, 12, 0, 0xD5361CCEEBB5A0CCULL); /* 9 - 16 */
BMK_testXXH3(sanityBuffer, 12, prime64, 0xC4C125E75A808C3DULL); /* 9 - 16 */
BMK_testXXH3(sanityBuffer, 24, 0, 0x46796F3F78B20F6BULL); /* 17 - 32 */
BMK_testXXH3(sanityBuffer, 24, prime64, 0x60171A7CD0A44C10ULL); /* 17 - 32 */
BMK_testXXH3(sanityBuffer, 48, 0, 0xD8D4D3590D136E11ULL); /* 33 - 64 */
BMK_testXXH3(sanityBuffer, 48, prime64, 0x05441F2AEC2A1296ULL); /* 33 - 64 */
BMK_testXXH3(sanityBuffer, 80, 0, 0xA1DC8ADB3145B86AULL); /* 65 - 96 */
BMK_testXXH3(sanityBuffer, 80, prime64, 0xC9D55256965B7093ULL); /* 65 - 96 */
BMK_testXXH3(sanityBuffer, 112, 0, 0xE43E5717A61D3759ULL); /* 97 -128 */
BMK_testXXH3(sanityBuffer, 112, prime64, 0x5A5F89A3FECE44A5ULL); /* 97 -128 */
BMK_testXXH3(sanityBuffer, 195, 0, 0x6F747739CBAC22A5ULL); /* 129-240 */
BMK_testXXH3(sanityBuffer, 195, prime64, 0x33368E23C7F95810ULL); /* 129-240 */
BMK_testXXH3(sanityBuffer, 403, 0, 0x4834389B15D981E8ULL); /* one block, last stripe is overlapping */
BMK_testXXH3(sanityBuffer, 403, prime64, 0x85CE5DFFC7B07C87ULL); /* one block, last stripe is overlapping */
BMK_testXXH3(sanityBuffer, 512, 0, 0x6A1B982631F059A8ULL); /* one block, finishing at stripe boundary */
BMK_testXXH3(sanityBuffer, 512, prime64, 0x10086868CF0ADC99ULL); /* one block, finishing at stripe boundary */
BMK_testXXH3(sanityBuffer,2048, 0, 0xEFEFD4449323CDD4ULL); /* 2 blocks, finishing at block boundary */
BMK_testXXH3(sanityBuffer,2048, prime64, 0x01C85E405ECA3F6EULL); /* 2 blocks, finishing at block boundary */
BMK_testXXH3(sanityBuffer,2240, 0, 0x998C0437486672C7ULL); /* 3 blocks, finishing at stripe boundary */
BMK_testXXH3(sanityBuffer,2240, prime64, 0x4ED38056B87ABC7FULL); /* 3 blocks, finishing at stripe boundary */
BMK_testXXH3(sanityBuffer,2243, 0, 0xA559D20581D742D3ULL); /* 3 blocks, last stripe is overlapping */
BMK_testXXH3(sanityBuffer,2243, prime64, 0x96E051AB57F21FC8ULL); /* 3 blocks, last stripe is overlapping */
{ const void* const secret = sanityBuffer + 7;
const size_t secretSize = XXH3_SECRET_SIZE_MIN + 11;
BMK_testXXH3_withSecret(NULL, 0, secret, secretSize, 0); /* zero-length hash is always 0 */
BMK_testXXH3_withSecret(sanityBuffer, 1, secret, secretSize, 0x7F69735D618DB3F0ULL); /* 1 - 3 */
BMK_testXXH3_withSecret(sanityBuffer, 6, secret, secretSize, 0xBFCC7CB1B3554DCEULL); /* 4 - 8 */
BMK_testXXH3_withSecret(sanityBuffer, 12, secret, secretSize, 0x8C50DC90AC9206FCULL); /* 9 - 16 */
BMK_testXXH3_withSecret(sanityBuffer, 24, secret, secretSize, 0x1CD2C2EE9B9A0928ULL); /* 17 - 32 */
BMK_testXXH3_withSecret(sanityBuffer, 48, secret, secretSize, 0xA785256D9D65D514ULL); /* 33 - 64 */
BMK_testXXH3_withSecret(sanityBuffer, 80, secret, secretSize, 0x6F3053360D21BBB7ULL); /* 65 - 96 */
BMK_testXXH3_withSecret(sanityBuffer, 112, secret, secretSize, 0x560E82D25684154CULL); /* 97 -128 */
BMK_testXXH3_withSecret(sanityBuffer, 195, secret, secretSize, 0xBA5BDDBC5A767B11ULL); /* 129-240 */
BMK_testXXH3_withSecret(sanityBuffer, 403, secret, secretSize, 0xFC3911BBA656DB58ULL); /* one block, last stripe is overlapping */
BMK_testXXH3_withSecret(sanityBuffer, 512, secret, secretSize, 0x306137DD875741F1ULL); /* one block, finishing at stripe boundary */
BMK_testXXH3_withSecret(sanityBuffer,2048, secret, secretSize, 0x2836B83880AD3C0CULL); /* >= 2 blocks, at least one scrambling */
BMK_testXXH3_withSecret(sanityBuffer,2243, secret, secretSize, 0x3446E248A00CB44AULL); /* >= 2 blocks, at least one scrambling, last stripe unaligned */
}
{ 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 = { 0, 0 };
BMK_testXXH128(NULL, 0, prime, expected);
}
{ XXH128_hash_t const expected = { 0x7198D737CFE7F386ULL, 0x153C28D2A04DC807ULL };
BMK_testXXH128(sanityBuffer, 1, 0, expected); /* 1-3 */
}
{ XXH128_hash_t const expected = { 0x8E05996EC27C0F46ULL, 0x89A7484EC876D545ULL };
BMK_testXXH128(sanityBuffer, 1, prime, expected); /* 1-3 */
}
{ XXH128_hash_t const expected = { 0x22CBF5F3E1F6257CULL, 0xD4E6C2B94FFC3BFAULL };
BMK_testXXH128(sanityBuffer, 6, 0, expected); /* 4-8 */
}
{ XXH128_hash_t const expected = { 0x97B28D3079F8541FULL, 0xEFC0B954298E6555ULL };
BMK_testXXH128(sanityBuffer, 6, prime, expected); /* 4-8 */
}
{ XXH128_hash_t const expected = { 0x9044570967199F91ULL, 0x738EE3E642A85165ULL };
BMK_testXXH128(sanityBuffer, 12, 0, expected); /* 9-16 */
}
{ XXH128_hash_t const expected = { 0xE3C75A78FE67D411ULL, 0xD4396DA60355312BULL };
BMK_testXXH128(sanityBuffer, 12, prime, expected); /* 9-16 */
}
{ XXH128_hash_t const expected = { 0x46796F3F78B20F6BULL, 0x58FF55C3926C13FAULL };
BMK_testXXH128(sanityBuffer, 24, 0, expected); /* 17-32 */
}
{ XXH128_hash_t const expected = { 0x30D5C4E9EB415C55ULL, 0x8868344B3A4645D0ULL };
BMK_testXXH128(sanityBuffer, 24, prime, expected); /* 17-32 */
}
{ XXH128_hash_t const expected = { 0xD8D4D3590D136E11ULL, 0x5527A42843020A62ULL };
BMK_testXXH128(sanityBuffer, 48, 0, expected); /* 33-64 */
}
{ XXH128_hash_t const expected = { 0x1D8834E1A5407A1CULL, 0x44375B9FB060F541ULL };
BMK_testXXH128(sanityBuffer, 48, prime, expected); /* 33-64 */
}
{ XXH128_hash_t const expected = { 0x4B9B448ED8DFD3DDULL, 0xE805A6D1A43D70E5ULL };
BMK_testXXH128(sanityBuffer, 81, 0, expected); /* 65-96 */
}
{ XXH128_hash_t const expected = { 0xD2D6B075945617BAULL, 0xE58BE5736F6E7550ULL };
BMK_testXXH128(sanityBuffer, 81, prime, expected); /* 65-96 */
}
{ XXH128_hash_t const expected = { 0xC5A9F97B29EFA44EULL, 0x254DB7BE881E125CULL };
BMK_testXXH128(sanityBuffer, 103, 0, expected); /* 97-128 */
}
{ XXH128_hash_t const expected = { 0xFA2086367CDB177FULL, 0x0AEDEA68C988B0C0ULL };
BMK_testXXH128(sanityBuffer, 103, prime, expected); /* 97-128 */
}
{ XXH128_hash_t const expected = { 0xC3142FDDD9102A3FULL, 0x06F1747E77185F97ULL };
BMK_testXXH128(sanityBuffer, 192, 0, expected); /* 129-240 */
}
{ XXH128_hash_t const expected = { 0xA89F07B35987540FULL, 0xCF1B35FB2C557F54ULL };
BMK_testXXH128(sanityBuffer, 192, prime, expected); /* 129-240 */
}
{ XXH128_hash_t const expected = { 0xA61AC4EB3295F86BULL, 0x33FA7B7598C28A07ULL };
BMK_testXXH128(sanityBuffer, 222, 0, expected); /* 129-240 */
}
{ XXH128_hash_t const expected = { 0x54135EB88AD8B75EULL, 0xBC45CE6AE50BCF53ULL };
BMK_testXXH128(sanityBuffer, 222, prime, expected); /* 129-240 */
}
{ XXH128_hash_t const expected = { 0xB0C48E6D18E9D084ULL, 0xB16FC17E992FF45DULL };
BMK_testXXH128(sanityBuffer, 403, 0, expected); /* one block, last stripe is overlapping */
}
{ XXH128_hash_t const expected = { 0x0A1D320C9520871DULL, 0xCE11CB376EC93252ULL };
BMK_testXXH128(sanityBuffer, 403, prime64, expected); /* one block, last stripe is overlapping */
}
{ XXH128_hash_t const expected = { 0xA03428558AC97327ULL, 0x4ECF51281BA406F7ULL };
BMK_testXXH128(sanityBuffer, 512, 0, expected); /* one block, finishing at stripe boundary */
}
{ XXH128_hash_t const expected = { 0xAF67A482D6C893F2ULL, 0x1382D92F25B84D90ULL };
BMK_testXXH128(sanityBuffer, 512, prime64, expected); /* one block, finishing at stripe boundary */
}
{ XXH128_hash_t const expected = { 0x21901B416B3B9863ULL, 0x212AF8E6326F01E0ULL };
BMK_testXXH128(sanityBuffer,2048, 0, expected); /* two blocks, finishing at block boundary */
}
{ XXH128_hash_t const expected = { 0xBDBB2282577DADECULL, 0xF78CDDC2C9A9A692ULL };
BMK_testXXH128(sanityBuffer,2048, prime, expected); /* two blocks, finishing at block boundary */
}
{ XXH128_hash_t const expected = { 0x00AD52FA9385B6FEULL, 0xC705BAD3356CE302ULL };
BMK_testXXH128(sanityBuffer,2240, 0, expected); /* two blocks, ends at stripe boundary */
}
{ XXH128_hash_t const expected = { 0x10FD0072EC68BFAAULL, 0xE1312F3458817F15ULL };
BMK_testXXH128(sanityBuffer,2240, prime, expected); /* two blocks, ends at stripe boundary */
}
{ XXH128_hash_t const expected = { 0x970C91411533862CULL, 0x4BBD06FF7BFF0AB1ULL };
BMK_testXXH128(sanityBuffer,2237, 0, expected); /* two blocks, ends at stripe boundary */
}
{ XXH128_hash_t const expected = { 0xD80282846D814431ULL, 0x14EBB157B84D9785ULL };
BMK_testXXH128(sanityBuffer,2237, prime, expected); /* two blocks, ends at stripe boundary */
}
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]);
}
typedef union {
XXH32_hash_t xxh32;
XXH64_hash_t xxh64;
XXH128_hash_t xxh128;
} Multihash;
/* BMK_hashStream :
* read data from inFile,
* generating incremental hash of type hashType,
* using buffer of size blockSize for temporary storage. */
static Multihash
BMK_hashStream(FILE* inFile,
algoType hashType,
void* buffer, size_t blockSize)
{
XXH32_state_t state32;
XXH64_state_t state64;
XXH3_state_t state128;
/* Init */
(void)XXH32_reset(&state32, XXHSUM32_DEFAULT_SEED);
(void)XXH64_reset(&state64, XXHSUM64_DEFAULT_SEED);
(void)XXH3_128bits_reset(&state128);
/* Load file & update hash */
{ size_t 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;
case algo_xxh128:
(void)XXH3_128bits_update(&state128, buffer, readSize);
break;
default:
assert(0);
}
} }
{ Multihash finalHash;
switch(hashType)
{
case algo_xxh32:
finalHash.xxh32 = XXH32_digest(&state32);
break;
case algo_xxh64:
finalHash.xxh64 = XXH64_digest(&state64);
break;
case algo_xxh128:
finalHash.xxh128 = XXH3_128bits_digest(&state128);
break;
default:
assert(0);
}
return finalHash;
}
}
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;
Multihash hashValue;
/* 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++;
DISPLAYLEVEL(2, "\rLoading %s... \r", fileNameEnd - infoFilenameSize);
/* Load file & update hash */
hashValue = BMK_hashStream(inFile, hashType, buffer, blockSize);
fclose(inFile);
free(buffer);
DISPLAY("%s \r", fileNameEnd - infoFilenameSize); /* erase line */
}
/* display Hash value followed by file name */
switch(hashType)
{
case algo_xxh32:
{ XXH32_canonical_t hcbe32;
(void)XXH32_canonicalFromHash(&hcbe32, hashValue.xxh32);
displayEndianess==big_endian ?
BMK_display_BigEndian(&hcbe32, sizeof(hcbe32)) : BMK_display_LittleEndian(&hcbe32, sizeof(hcbe32));
break;
}
case algo_xxh64:
{ XXH64_canonical_t hcbe64;
(void)XXH64_canonicalFromHash(&hcbe64, hashValue.xxh64);
displayEndianess==big_endian ?
BMK_display_BigEndian(&hcbe64, sizeof(hcbe64)) : BMK_display_LittleEndian(&hcbe64, sizeof(hcbe64));
break;
}
case algo_xxh128:
{ XXH128_canonical_t hcbe128;
(void)XXH128_canonicalFromHash(&hcbe128, hashValue.xxh128);
displayEndianess==big_endian ?
BMK_display_BigEndian(&hcbe128, sizeof(hcbe128)) : BMK_display_LittleEndian(&hcbe128, sizeof(hcbe128));
break;
}
default:
assert(0);
}
DISPLAYRESULT(" %s\n", fileName);
return 0;
}
/* BMK_hashFiles:
* if fnTotal==0, read from stdin insteal
*/
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;
XXH128_canonical_t xxh128;
} Canonical;
typedef struct {
Canonical canonical;
const char* filename;
int xxhBits; /* canonical type : 32:xxh32, 64:xxh64 */
} ParsedLine;
typedef struct {
unsigned long nProperlyFormattedLines;
unsigned long nImproperlyFormattedLines;
unsigned long nMismatchedChecksums;
unsigned long nOpenOrReadFailures;
unsigned long nMixedFormatLines;
int xxhBits;
int quit;
} ParseFileReport;
typedef struct {
const char* inFileName;
FILE* inFile;
int lineMax;
char* lineBuf;
size_t blockSize;
char* blockBuf;
U32 strictMode;
U32 statusOnly;
U32 warn;
U32 quiet;
ParseFileReport report;
} ParseFileArg;
/* Read line from stream.
Returns GetLine_ok, if it reads line successfully.
Returns GetLine_eof, if stream reaches EOF.
Returns GetLine_exceedMaxLineLength, if line length is longer than MAX_LINE_LENGTH.
Returns GetLine_outOfMemory, if line buffer memory allocation failed.
*/
static GetLineResult getLine(char** lineBuf, int* lineMax, FILE* inFile)
{
GetLineResult result = GetLine_ok;
size_t len = 0;
if ((*lineBuf == NULL) || (*lineMax<1)) {
free(*lineBuf); /* in case it's != NULL */
*lineMax = 0;
*lineBuf = (char*)malloc(DEFAULT_LINE_LENGTH);
if(*lineBuf == NULL) return GetLine_outOfMemory;
*lineMax = DEFAULT_LINE_LENGTH;
}
for (;;) {
const int c = fgetc(inFile);
if (c == EOF) {
/* If we meet EOF before first character, returns GetLine_eof,
* otherwise GetLine_ok.
*/
if (len == 0) result = GetLine_eof;
break;
}
/* Make enough space for len+1 (for final NUL) bytes. */
if (len+1 >= (size_t)*lineMax) {
char* newLineBuf = NULL;
size_t newBufSize = (size_t)*lineMax;
newBufSize += (newBufSize/2) + 1; /* x 1.5 */
if (newBufSize > MAX_LINE_LENGTH) newBufSize = MAX_LINE_LENGTH;
if (len+1 >= newBufSize) return GetLine_exceedMaxLineLength;
newLineBuf = (char*) realloc(*lineBuf, newBufSize);
if (newLineBuf == NULL) return GetLine_outOfMemory;
*lineBuf = newLineBuf;
*lineMax = (int)newBufSize;
}
if (c == '\n') break;
(*lineBuf)[len++] = (char) c;
}
(*lineBuf)[len] = '\0';
return result;
}
/* Converts one hexadecimal character to integer.
* Returns -1, if given character is not hexadecimal.
*/
static int charToHex(char c)
{
int result = -1;
if (c >= '0' && c <= '9') {
result = (int) (c - '0');
} else if (c >= 'A' && c <= 'F') {
result = (int) (c - 'A') + 0x0a;
} else if (c >= 'a' && c <= 'f') {
result = (int) (c - 'a') + 0x0a;
}
return result;
}
/* Converts XXH32 canonical hexadecimal string hashStr to big endian unsigned char array dst.
* Returns CANONICAL_FROM_STRING_INVALID_FORMAT, if hashStr is not well formatted.
* Returns CANONICAL_FROM_STRING_OK, if hashStr is parsed successfully.
*/
static CanonicalFromStringResult canonicalFromString(unsigned char* dst,
size_t dstSize,
const char* hashStr)
{
size_t i;
for (i = 0; i < dstSize; ++i) {
int h0, h1;
h0 = charToHex(hashStr[i*2 + 0]);
if (h0 < 0) return CanonicalFromString_invalidFormat;
h1 = charToHex(hashStr[i*2 + 1]);
if (h1 < 0) return CanonicalFromString_invalidFormat;
dst[i] = (unsigned char) ((h0 << 4) | h1);
}
return CanonicalFromString_ok;
}
/* Parse single line of xxHash checksum file.
* Returns PARSE_LINE_ERROR_INVALID_FORMAT, if line is not well formatted.
* Returns PARSE_LINE_OK if line is parsed successfully.
* And members of parseLine will be filled by parsed values.
*
* - line must be ended with '\0'.
* - Since parsedLine.filename will point within given argument `line`,
* users must keep `line`s content during they are using parsedLine.
*
* Given xxHash checksum line should have the following format:
*
* <8 or 16 hexadecimal char> <space> <space> <filename...> <'\0'>
*/
static ParseLineResult parseLine(ParsedLine* parsedLine, const char* line)
{
const char* const firstSpace = strchr(line, ' ');
if (firstSpace == NULL) return ParseLine_invalidFormat;
{ const char* const secondSpace = firstSpace + 1;
if (*secondSpace != ' ') return ParseLine_invalidFormat;
parsedLine->filename = NULL;
parsedLine->xxhBits = 0;
switch (firstSpace - line)
{
case 8:
{ XXH32_canonical_t* xxh32c = &parsedLine->canonical.xxh32;
if (canonicalFromString(xxh32c->digest, sizeof(xxh32c->digest), line)
!= CanonicalFromString_ok) {
return ParseLine_invalidFormat;
}
parsedLine->xxhBits = 32;
break;
}
case 16:
{ XXH64_canonical_t* xxh64c = &parsedLine->canonical.xxh64;
if (canonicalFromString(xxh64c->digest, sizeof(xxh64c->digest), line)
!= CanonicalFromString_ok) {
return ParseLine_invalidFormat;
}
parsedLine->xxhBits = 64;
break;
}
case 32:
{ XXH128_canonical_t* xxh128c = &parsedLine->canonical.xxh128;
if (canonicalFromString(xxh128c->digest, sizeof(xxh128c->digest), line)
!= CanonicalFromString_ok) {
return ParseLine_invalidFormat;
}
parsedLine->xxhBits = 128;
break;
}
default:
return ParseLine_invalidFormat;
break;
}
parsedLine->filename = secondSpace + 1;
}
return ParseLine_ok;
}
/*! Parse xxHash checksum file.
*/
static void parseFile1(ParseFileArg* parseFileArg)
{
const char* const inFileName = parseFileArg->inFileName;
ParseFileReport* const report = &parseFileArg->report;
unsigned long lineNumber = 0;
memset(report, 0, sizeof(*report));
while (!report->quit) {
LineStatus lineStatus = LineStatus_hashFailed;
ParsedLine parsedLine;
memset(&parsedLine, 0, sizeof(parsedLine));
lineNumber++;
if (lineNumber == 0) {
/* This is unlikely happen, but md5sum.c has this error check. */
DISPLAY("%s: Error: Too many checksum lines\n", inFileName);
report->quit = 1;
break;
}
{ GetLineResult const getLineResult = getLine(&parseFileArg->lineBuf,
&parseFileArg->lineMax,
parseFileArg->inFile);
if (getLineResult != GetLine_ok) {
if (getLineResult == GetLine_eof) break;
switch (getLineResult)
{
case GetLine_ok:
case GetLine_eof:
/* These cases never happen. See above getLineResult related "if"s.
They exist just for make gcc's -Wswitch-enum happy. */
assert(0);
break;
default:
DISPLAY("%s:%lu: Error: Unknown error.\n", inFileName, lineNumber);
break;
case GetLine_exceedMaxLineLength:
DISPLAY("%s:%lu: Error: Line too long.\n", inFileName, lineNumber);
break;
case GetLine_outOfMemory:
DISPLAY("%s:%lu: Error: Out of memory.\n", inFileName, lineNumber);
break;
}
report->quit = 1;
break;
} }
if (parseLine(&parsedLine, parseFileArg->lineBuf) != ParseLine_ok) {
report->nImproperlyFormattedLines++;
if (parseFileArg->warn) {
DISPLAY("%s:%lu: Error: Improperly formatted checksum line.\n",
inFileName, lineNumber);
}
continue;
}
if (report->xxhBits != 0 && report->xxhBits != parsedLine.xxhBits) {
/* Don't accept xxh32/xxh64 mixed file */
report->nImproperlyFormattedLines++;
report->nMixedFormatLines++;
if (parseFileArg->warn) {
DISPLAY("%s : %lu: Error: Multiple hash types in one file.\n",
inFileName, lineNumber);
}
continue;
}
report->nProperlyFormattedLines++;
if (report->xxhBits == 0) {
report->xxhBits = parsedLine.xxhBits;
}
do {
FILE* const fp = fopen(parsedLine.filename, "rb");
if (fp == NULL) {
lineStatus = LineStatus_failedToOpen;
break;
}
lineStatus = LineStatus_hashFailed;
switch (parsedLine.xxhBits)
{
case 32:
{ Multihash const xxh = BMK_hashStream(fp, algo_xxh32, parseFileArg->blockBuf, parseFileArg->blockSize);
if (xxh.xxh32 == XXH32_hashFromCanonical(&parsedLine.canonical.xxh32)) {
lineStatus = LineStatus_hashOk;
} }
break;
case 64:
{ Multihash const xxh = BMK_hashStream(fp, algo_xxh64, parseFileArg->blockBuf, parseFileArg->blockSize);
if (xxh.xxh64 == XXH64_hashFromCanonical(&parsedLine.canonical.xxh64)) {
lineStatus = LineStatus_hashOk;
} }
break;
case 128:
{ Multihash const xxh = BMK_hashStream(fp, algo_xxh128, parseFileArg->blockBuf, parseFileArg->blockSize);
if (XXH128_isEqual(xxh.xxh128, XXH128_hashFromCanonical(&parsedLine.canonical.xxh128))) {
lineStatus = LineStatus_hashOk;
} }
break;
default:
break;
}
fclose(fp);
} while (0);
switch (lineStatus)
{
default:
DISPLAY("%s: Error: Unknown error.\n", inFileName);
report->quit = 1;
break;
case LineStatus_failedToOpen:
report->nOpenOrReadFailures++;
if (!parseFileArg->statusOnly) {
DISPLAYRESULT("%s:%lu: Could not open or read '%s': %s.\n",
inFileName, lineNumber, parsedLine.filename, strerror(errno));
}
break;
case LineStatus_hashOk:
case LineStatus_hashFailed:
{ int b = 1;
if (lineStatus == LineStatus_hashOk) {
/* If --quiet is specified, don't display "OK" */
if (parseFileArg->quiet) b = 0;
} else {
report->nMismatchedChecksums++;
}
if (b && !parseFileArg->statusOnly) {
DISPLAYRESULT("%s: %s\n", parsedLine.filename
, lineStatus == LineStatus_hashOk ? "OK" : "FAILED");
} }
break;
}
} /* while (!report->quit) */
}
/* Parse xxHash checksum file.
* Returns 1, if all procedures were succeeded.
* Returns 0, if any procedures was failed.
*
* If strictMode != 0, return error code if any line is invalid.
* If statusOnly != 0, don't generate any output.
* If warn != 0, print a warning message to stderr.
* If quiet != 0, suppress "OK" line.
*
* "All procedures are succeeded" means:
* - Checksum file contains at least one line and less than SIZE_T_MAX lines.
* - All files are properly opened and read.
* - All hash values match with its content.
* - (strict mode) All lines in checksum file are consistent and well formatted.
*/
static int checkFile(const char* inFileName,
const endianess displayEndianess,
U32 strictMode,
U32 statusOnly,
U32 warn,
U32 quiet)
{
int result = 0;
FILE* inFile = NULL;
ParseFileArg parseFileArgBody;
ParseFileArg* const parseFileArg = &parseFileArgBody;
ParseFileReport* const report = &parseFileArg->report;
if (displayEndianess != big_endian) {
/* Don't accept little endian */
DISPLAY( "Check file mode doesn't support little endian\n" );
return 0;
}
/* note : stdinName is special constant pointer. It is not a string. */
if (inFileName == stdinName) {
/* note : Since we expect text input for xxhash -c mode,
* Don't set binary mode for stdin */
inFileName = "stdin";
inFile = stdin;
} else {
inFile = fopen( inFileName, "rt" );
}
if (inFile == NULL) {
DISPLAY("Error: Could not open '%s': %s\n", inFileName, strerror(errno));
return 0;
}
parseFileArg->inFileName = inFileName;
parseFileArg->inFile = inFile;
parseFileArg->lineMax = DEFAULT_LINE_LENGTH;
parseFileArg->lineBuf = (char*) malloc((size_t) parseFileArg->lineMax);
parseFileArg->blockSize = 64 * 1024;
parseFileArg->blockBuf = (char*) malloc(parseFileArg->blockSize);
parseFileArg->strictMode = strictMode;
parseFileArg->statusOnly = statusOnly;
parseFileArg->warn = warn;
parseFileArg->quiet = quiet;
parseFile1(parseFileArg);
free(parseFileArg->blockBuf);
free(parseFileArg->lineBuf);
if (inFile != stdin) fclose(inFile);
/* Show error/warning messages. All messages are copied from md5sum.c
*/
if (report->nProperlyFormattedLines == 0) {
DISPLAY("%s: no properly formatted xxHash checksum lines found\n", inFileName);
} else if (!statusOnly) {
if (report->nImproperlyFormattedLines) {
DISPLAYRESULT("%lu %s are improperly formatted\n"
, report->nImproperlyFormattedLines
, report->nImproperlyFormattedLines == 1 ? "line" : "lines");
}
if (report->nOpenOrReadFailures) {
DISPLAYRESULT("%lu listed %s could not be read\n"
, report->nOpenOrReadFailures
, report->nOpenOrReadFailures == 1 ? "file" : "files");
}
if (report->nMismatchedChecksums) {
DISPLAYRESULT("%lu computed %s did NOT match\n"
, report->nMismatchedChecksums
, report->nMismatchedChecksums == 1 ? "checksum" : "checksums");
} }
/* Result (exit) code logic is copied from
* gnu coreutils/src/md5sum.c digest_check() */
result = report->nProperlyFormattedLines != 0
&& report->nMismatchedChecksums == 0
&& report->nOpenOrReadFailures == 0
&& (!strictMode || report->nImproperlyFormattedLines == 0)
&& report->quit == 0;
return result;
}
static int checkFiles(const char** fnList, int fnTotal,
const endianess displayEndianess,
U32 strictMode,
U32 statusOnly,
U32 warn,
U32 quiet)
{
int ok = 1;
/* Special case for stdinName "-",
* note: stdinName is not a string. It's special pointer. */
if (fnTotal==0) {
ok &= checkFile(stdinName, displayEndianess, strictMode, statusOnly, warn, quiet);
} else {
int fnNb;
for (fnNb=0; fnNb<fnTotal; fnNb++)
ok &= checkFile(fnList[fnNb], displayEndianess, strictMode, statusOnly, warn, quiet);
}
return ok ? 0 : 1;
}
/* ********************************************************
* Main
**********************************************************/
static int usage(const char* exename)
{
DISPLAY( WELCOME_MESSAGE(exename) );
DISPLAY( "Usage :\n");
DISPLAY( " %s [arg] [filenames] \n", exename);
DISPLAY( "When no filename provided, or - provided : use stdin as input \n");
DISPLAY( "Arguments : \n");
DISPLAY( " -H# : hash selection : 0=32bits, 1=64bits, 2=128bits (default: %i)\n", (int)g_defaultAlgo);
DISPLAY( " -c : read xxHash sums from the [filenames] and check them \n");
DISPLAY( " -h : help \n");
return 0;
}
static int usage_advanced(const char* exename)
{
usage(exename);
DISPLAY( "Advanced :\n");
DISPLAY( " --little-endian : hash printed using little endian convention (default: big endian)\n");
DISPLAY( " -V, --version : display version\n");
DISPLAY( " -h, --help : display long help and exit\n");
DISPLAY( " -b : benchmark mode \n");
DISPLAY( " -i# : number of iterations (benchmark mode; default %u)\n", g_nbIterations);
DISPLAY( "\n");
DISPLAY( "The following four options are useful only when verifying checksums (-c):\n");
DISPLAY( "--strict : don't print OK for each successfully verified file\n");
DISPLAY( "--status : don't output anything, status code shows success\n");
DISPLAY( "--quiet : exit non-zero for improperly formatted checksum lines\n");
DISPLAY( "--warn : warn about improperly formatted checksum lines\n");
return 0;
}
static int badusage(const char* exename)
{
DISPLAY("Wrong parameters\n");
usage(exename);
return 1;
}
static void errorOut(const char* msg)
{
DISPLAY("%s \n", msg); exit(1);
}
/*! readU32FromCharChecked() :
* @return 0 if success, and store the result in *value.
* allows and interprets K, KB, KiB, M, MB and MiB suffix.
* Will also modify `*stringPtr`, advancing it to position where it stopped reading.
* @return 1 if an overflow error occurs */
static int readU32FromCharChecked(const char** stringPtr, unsigned* value)
{
static unsigned const max = (((unsigned)(-1)) / 10) - 1;
unsigned result = 0;
while ((**stringPtr >='0') && (**stringPtr <='9')) {
if (result > max) return 1; /* overflow error */
result *= 10;
result += (unsigned)(**stringPtr - '0');
(*stringPtr)++ ;
}
if ((**stringPtr=='K') || (**stringPtr=='M')) {
unsigned const maxK = ((unsigned)(-1)) >> 10;
if (result > maxK) return 1; /* overflow error */
result <<= 10;
if (**stringPtr=='M') {
if (result > maxK) return 1; /* overflow error */
result <<= 10;
}
(*stringPtr)++; /* skip `K` or `M` */
if (**stringPtr=='i') (*stringPtr)++;
if (**stringPtr=='B') (*stringPtr)++;
}
*value = result;
return 0;
}
/*! readU32FromChar() :
* @return : unsigned integer value read from input in `char` format.
* allows and interprets K, KB, KiB, M, MB and MiB suffix.
* Will also modify `*stringPtr`, advancing it to position where it stopped reading.
* Note : function will exit() program if digit sequence overflows */
static unsigned readU32FromChar(const char** stringPtr) {
unsigned result;
if (readU32FromCharChecked(stringPtr, &result)) {
static const char errorMsg[] = "Error: numeric value too large";
errorOut(errorMsg);
}
return result;
}
int main(int argc, const char** argv)
{
int i, filenamesStart = 0;
const char* const exename = argv[0];
U32 benchmarkMode = 0;
U32 fileCheckMode = 0;
U32 strictMode = 0;
U32 statusOnly = 0;
U32 warn = 0;
U32 quiet = 0;
U32 specificTest = 0;
size_t keySize = XXH_DEFAULT_SAMPLE_SIZE;
algoType algo = g_defaultAlgo;
endianess displayEndianess = big_endian;
/* special case : xxhNNsum default to NN bits checksum */
if (strstr(exename, "xxh32sum") != NULL) algo = algo_xxh32;
if (strstr(exename, "xxh64sum") != NULL) algo = algo_xxh64;
if (strstr(exename, "xxh128sum") != NULL) algo = algo_xxh128;
for(i=1; i<argc; i++) {
const char* argument = argv[i];
if(!argument) continue; /* Protection, if argument empty */
if (!strcmp(argument, "--little-endian")) { displayEndianess = little_endian; continue; }
if (!strcmp(argument, "--check")) { fileCheckMode = 1; continue; }
if (!strcmp(argument, "--strict")) { strictMode = 1; continue; }
if (!strcmp(argument, "--status")) { statusOnly = 1; continue; }
if (!strcmp(argument, "--quiet")) { quiet = 1; continue; }
if (!strcmp(argument, "--warn")) { warn = 1; continue; }
if (!strcmp(argument, "--help")) { return usage_advanced(exename); }
if (!strcmp(argument, "--version")) { DISPLAY(WELCOME_MESSAGE(exename)); return 0; }
if (*argument!='-') {
if (filenamesStart==0) filenamesStart=i; /* only supports a continuous list of filenames */
continue;
}
/* command selection */
argument++; /* note : *argument=='-' */
while (*argument!=0) {
switch(*argument)
{
/* Display version */
case 'V':
DISPLAY(WELCOME_MESSAGE(exename)); return 0;
/* Display help on usage */
case 'h':
return usage_advanced(exename);
/* select hash algorithm */
case 'H':
algo = (algoType)(argument[1] - '0');
argument+=2;
if (!((algo >= algo_xxh32) && (algo <= algo_xxh128)))
return badusage(exename);
break;
/* File check mode */
case 'c':
fileCheckMode=1;
argument++;
break;
/* Warning mode (file check mode only, alias of "--warning") */
case 'w':
warn=1;
argument++;
break;
/* Trigger benchmark mode */
case 'b':
argument++;
benchmarkMode = 1;
specificTest = readU32FromChar(&argument); /* select one specific test (hidden option) */
break;
/* Modify Nb Iterations (benchmark only) */
case 'i':
argument++;
g_nbIterations = readU32FromChar(&argument);
break;
/* Modify Block size (benchmark only) */
case 'B':
argument++;
keySize = readU32FromChar(&argument);
break;
/* Modify verbosity of benchmark output (hidden option) */
case 'q':
argument++;
g_displayLevel--;
break;
default:
return badusage(exename);
}
}
} /* for(i=1; i<argc; i++) */
/* Check benchmark mode */
if (benchmarkMode) {
DISPLAYLEVEL(2, WELCOME_MESSAGE(exename) );
BMK_sanityCheck();
if (filenamesStart==0) return BMK_benchInternal(keySize, specificTest);
return BMK_benchFiles(argv+filenamesStart, argc-filenamesStart, specificTest);
}
/* Check if input is defined as console; trigger an error in this case */
if ( (filenamesStart==0) && IS_CONSOLE(stdin) ) return badusage(exename);
if (filenamesStart==0) filenamesStart = argc;
if (fileCheckMode) {
return checkFiles(argv+filenamesStart, argc-filenamesStart,
displayEndianess, strictMode, statusOnly, warn, quiet);
} else {
return BMK_hashFiles(argv+filenamesStart, argc-filenamesStart, algo, displayEndianess);
}
}
#endif /* XXHASH_C_2097394837 */
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